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Charles W. Juels (1944 – January 21, 2009) was an American amateur astronomer and psychiatrist by profession, who became a prolific discoverer of minor planets after his retirement. [ 2 ] [ 3 ]
Juels was born in New York City in 1944, and grew up in Cincinnati, Ohio. In 1969 he graduated from Cincinnati College of Med... | https://en.wikipedia.org/wiki/Charles_W._Juels |
Charles Tyson Yerkes Jr. ( / ˈ j ɜːr k iː z / YUR -keez ; June 25, 1837 – December 29, 1905) was an American financier. He played a part in developing mass-transit systems in Chicago and London .
Yerkes was born into a Quaker family [ 1 ] in the Northern Liberties , a district adjacent to Philadelphia , on June 25, 18... | https://en.wikipedia.org/wiki/Charles_Yerkes |
Charles de Bovelles ( Latin : Carolus Bovillus ; born c. 1475 at Saint-Quentin , died at Ham, Somme after 1566) was a French mathematician and philosopher, and canon of Noyon . His Géométrie en françoys (1511) was the first scientific work to be printed in French.
Bovelles authored a number of philological, theologica... | https://en.wikipedia.org/wiki/Charles_de_Bovelles |
Charlotte Fitch Roberts (February 13, 1859 – December 5, 1917) was an American chemist best known for her work on stereochemistry . [ 2 ]
Roberts was born on February 13, 1859, in New York City to Horace Roberts and Mary Roberts ( née Hart). [ 3 ]
Roberts attended Wellesley College in 1880. Wellesley made her a gradu... | https://en.wikipedia.org/wiki/Charlotte_Fitch_Roberts |
Charlotte Froese Fischer (September 21, 1929 – February 8, 2024) was a Canadian-American applied mathematician , computer scientist and physicist noted for the development and implementation of the Multi-Configurational Hartree–Fock (MCHF) approach to atomic-structure calculations and its application to the description... | https://en.wikipedia.org/wiki/Charlotte_Froese_Fischer |
University of Cambridge University of Minnesota
Charlotte Williams is a British scientist who holds the Professorship of Inorganic Chemistry at the University of Oxford . [ 1 ] Her research focuses on the synthesis of novel catalysts with an expertise in organometallic chemistry and polymer materials chemistry. [ 2 ]
... | https://en.wikipedia.org/wiki/Charlotte_Williams |
Charmed baryons are a category of composite particles comprising all baryons made of at least one charm quark . [ 1 ] Since their first observation in the 1970s, [ 2 ] a large number of distinct charmed baryon states have been identified. Observed charmed baryons have masses ranging between 2300 and 2700 MeV/ c 2 . In ... | https://en.wikipedia.org/wiki/Charmed_baryon |
In materials science , the Charpy impact test , also known as the Charpy V-notch test , is a standardized high strain rate test which determines the amount of energy absorbed by a material during fracture . Absorbed energy is a measure of the material's notch toughness . It is widely used in industry, since it is easy ... | https://en.wikipedia.org/wiki/Charpy_impact_test |
A charrette (American pronunciation: / ʃ ɑː ˈ r ɛ t / ; French: [ʃaʁɛt] ), often Anglicized to charette or charet and sometimes called a design charrette , is an intense period of design or planning activity.
The word charrette may refer to any collaborative process by which a group of designers draft a solution to a ... | https://en.wikipedia.org/wiki/Charrette |
Charring is a chemical process of incomplete combustion of certain solids when subjected to high heat . Heat distillation removes water vapour and volatile organic compounds ( syngas ) from the matrix. The residual black carbon material is char , as distinguished from the lighter colored ash . By the action of heat, ch... | https://en.wikipedia.org/wiki/Charring |
A chart recorder is an electromechanical device that records an electrical or mechanical input trend onto a piece of paper (the chart). Chart recorders may record several inputs using different color pens and may record onto strip charts or circular charts. Chart recorders may be entirely mechanical with clockwork mech... | https://en.wikipedia.org/wiki/Chart_recorder |
A chartist (also known as a technical trader or technical analyst) is one who utilizes charts to assess patterns of activity that might be helpful in making predictions. Most commonly, chartists use technical analysis in the financial world to evaluate financial securities . [ 1 ] For example, a chartist may plot past... | https://en.wikipedia.org/wiki/Chartist_(occupation) |
Chasing Shadows: My Life Tracking the Great White Shark is a memoir written by Greg Skomal that chronicles his decades long career as an Atlantic shark researcher. It was published in July 2023 by William Morrow , an imprint of HarperCollins. Ret Talbot, a science writer and independent journalist, co-authored this boo... | https://en.wikipedia.org/wiki/Chasing_Shadows:_My_Life_Tracking_the_Great_White_Shark |
In gravitation , Chasles' theorem says that the Newtonian gravitational attraction of a spherical shell, outside of that shell, is equivalent mathematically to the attraction of a point mass. [ 1 ] The theorem is conventionally known as Newton's shell theorem , but is attributed to Michel Chasles (1793–1880) by Benjami... | https://en.wikipedia.org/wiki/Chasles'_theorem_(gravity) |
In kinematics , Chasles' theorem , or Mozzi–Chasles' theorem , says that the most general rigid body displacement can be produced by a screw displacement . A direct Euclidean isometry in three dimensions involves a translation and a rotation . The screw displacement representation of the isometry decomposes the transla... | https://en.wikipedia.org/wiki/Chasles'_theorem_(kinematics) |
A chassis management controller (CMC) is an embedded system management hardware and software solution to manage multiple servers, networking, and storage. [ 1 ]
A CMC can provide a secure browser-based interface that enables an IT system administrator to take inventory, perform configuration and monitoring tasks, remo... | https://en.wikipedia.org/wiki/Chassis_management_controller |
Chat is fragments of siliceous rock , limestone , and dolomite waste rejected in the lead-zinc milling operations that accompanied lead - zinc mining in the first half of the 20th century. Historic lead and zinc mining in the Midwestern United States was centered in two major areas: the Tri-State district covering more... | https://en.wikipedia.org/wiki/Chat_(mining) |
Chat fiction is a format of web fiction written solely in the form of text-message or instant messaging conversations. Works are read primarily through dedicated mobile phone applications, the earliest being Hooked , which launched in 2015. The format became popular among teenagers and young adults, and other competing... | https://en.wikipedia.org/wiki/Chat_fiction |
A chat log is an archive of transcripts from online chat and instant messaging conversations. Many chat or IM applications allow for the client-side archiving of online chat conversations, while a subset of chat or IM clients (i.e., Google Talk and Yahoo! Messenger 11 Beta ) allow for the saving of chat archives on a s... | https://en.wikipedia.org/wiki/Chat_log |
Chaudhry Abdul Majeed (born 1937; Urdu : چودہری عبد لمجيد ) was a Pakistani nuclear chemist , nuclear weapon and reactor expert. He is known as one of the pioneers of Pakistan's nuclear weapon programme , and has worked closely with former Pakistan Atomic Energy Commission (PAEC) Chairman Munir Ahmad Khan 's plutonium ... | https://en.wikipedia.org/wiki/Chaudhry_Abdul_Majeed |
Chloroform , [ 9 ] or trichloromethane (often abbreviated as TCM ), is an organochloride with the formula C H Cl 3 and a common solvent . It is a volatile , colorless, sweet-smelling, dense liquid produced on a large scale as a precursor to refrigerants and PTFE . [ 10 ] Chloroform was once used as an inhalational anes... | https://en.wikipedia.org/wiki/Chcl3 |
In game theory , cheap talk is communication between players that does not directly affect the payoffs of the game. Providing and receiving information is free. This is in contrast to signalling , in which sending certain messages may be costly for the sender depending on the state of the world.
This basic setting set... | https://en.wikipedia.org/wiki/Cheap_talk |
Cheating is a term used in behavioral ecology and ethology to describe behavior whereby organisms receive a benefit at the cost of other organisms. Cheating is common in many mutualistic and altruistic relationships. [ 1 ] A cheater is an individual who does not cooperate (or cooperates less than their fair share) but ... | https://en.wikipedia.org/wiki/Cheating_(biology) |
Chebfun is a free/open-source software system written in MATLAB for numerical computation with functions of a real variable. It is based on the idea of overloading MATLAB's commands for vectors and matrices to analogous commands for functions and operators. Thus, for example, whereas the SUM command in MATLAB adds up... | https://en.wikipedia.org/wiki/Chebfun |
In probability theory , Chebyshev's inequality (also called the Bienaymé–Chebyshev inequality ) provides an upper bound on the probability of deviation of a random variable (with finite variance) from its mean. More specifically, the probability that a random variable deviates from its mean by more than k σ {\displayst... | https://en.wikipedia.org/wiki/Chebyshev's_inequality |
In mathematics , Chebyshev's sum inequality , named after Pafnuty Chebyshev , states that if
then
Similarly, if
then
Consider the sum
The two sequences are non-increasing , therefore a j − a k and b j − b k have the same sign for any j , k . Hence S ≥ 0 .
Opening the brackets, we deduce:
hence
An alternative pr... | https://en.wikipedia.org/wiki/Chebyshev's_sum_inequality |
The Chebyshev polynomials are two sequences of orthogonal polynomials related to the cosine and sine functions , notated as T n ( x ) {\displaystyle T_{n}(x)} and U n ( x ) {\displaystyle U_{n}(x)} . They can be defined in several equivalent ways, one of which starts with trigonometric functions :
The Chebyshev polyno... | https://en.wikipedia.org/wiki/Chebyshev_polynomials |
In mathematical analysis , the Chebyshev–Markov–Stieltjes inequalities are inequalities related to the problem of moments that were formulated in the 1880s by Pafnuty Chebyshev and proved independently by Andrey Markov and (somewhat later) by Thomas Jan Stieltjes . [ 1 ] Informally, they provide sharp bounds on a measu... | https://en.wikipedia.org/wiki/Chebyshev–Markov–Stieltjes_inequalities |
A check dam is a small, sometimes temporary, dam constructed across a swale , drainage ditch , or waterway to counteract erosion by reducing water flow velocity. [ 1 ] Check dams themselves are not a type of new technology; rather, they are an ancient technique dating from the second century AD. [ 2 ] Check dams are ty... | https://en.wikipedia.org/wiki/Check_dam |
The check or check mark ( American English ), checkmark ( Philippine English ), tickmark ( Indian English ) or tick ( Australian , New Zealand and British English ) [ 1 ] is a mark (✓, ✔, etc.) used in many countries, including the English-speaking world, to indicate the concept "yes" (e.g. "yes; this has been verified... | https://en.wikipedia.org/wiki/Check_mark |
A checkweigher is an automatic or manual machine for checking the weight of packaged commodities.
It is normally found at the offgoing end of a production process and is used to ensure that the weight of a pack of the commodity is within specified limits. Any packs that are outside the tolerance are taken out of line ... | https://en.wikipedia.org/wiki/Check_weigher |
In biodiversity studies, the checkerboard score or C-score is a statistic which determines the randomness of the distribution of two or more species through a collection of biomes . The statistic, first published by Stone and Roberts in 1990, [ 1 ] expands on the earlier work of Diamond [ 2 ] that defined a notion of ... | https://en.wikipedia.org/wiki/Checkerboard_score |
Checkpointing schemes are scientific computing algorithms used in solving time dependent adjoint equations , as well as reverse mode automatic differentiation . [ 1 ] | https://en.wikipedia.org/wiki/Checkpointing_scheme |
In biochemistry , chelatases are enzymes that catalyze the insertion (" metalation ") of naturally occurring tetrapyrroles . Many tetrapyrrole-based cofactors exist in nature including hemes , chlorophylls , and vitamin B12 . These metallo cofactors are derived by the reaction of metal cations with tetrapyrroles, which... | https://en.wikipedia.org/wiki/Chelatase |
Chelates in animal feed is jargon for metalloorganic compounds added to animal feed. The compounds provide sources of various metals that improve the health or marketability of the animal. Typical metal salts are derived from cobalt , copper , iron , manganese , and zinc . The objective of supplementation with trace m... | https://en.wikipedia.org/wiki/Chelates_in_animal_nutrition |
Chelating resins are a class of ion-exchange resins . They are almost always used to bind cations, and utilize chelating agents covalently attached to a polymer matrix. Chelating resins have the same bead form and polymer matrix as usual ion exchangers. Their main use is for pre-concentration of metal ions in a dilute ... | https://en.wikipedia.org/wiki/Chelating_resin |
Chelation ( / k iː ˈ l eɪ ʃ ən / ) is a type of bonding of ions and their molecules to metal ions. It involves the formation or presence of two or more separate coordinate bonds between a polydentate (multiple bonded) ligand and a single central metal atom. [ 1 ] [ 2 ] These ligands are called chelants, chelators, chel... | https://en.wikipedia.org/wiki/Chelation |
Cheluviation is the process in which the metal ions in the upper layer of the soil are combined with organic ligands to form coordination complexes or chelates, moving downwards through eluviation and then depositing. [ 1 ]
Metal ions that can participate in chelation include Fe, Al, Mn, Ca, Mg and trace elements in s... | https://en.wikipedia.org/wiki/Cheluviation |
Chem-seq is a technique that is used to map genome -wide interactions between small molecules and their protein targets in the chromatin of eukaryotic cell nuclei . [ 1 ] The method employs chemical affinity capture coupled with massively parallel DNA sequencing to identify genomic sites where small molecules interact ... | https://en.wikipedia.org/wiki/Chem-seq |
ChemDraw™ is a molecule editor and communication suite, for the management, reporting, and presentation of chemistry research and discoveries.
ChemDraw was originally conceived in 1985 by Selena "Sally" Evans, her husband David A. Evans , and Stewart Rubenstein. [ 1 ] [ 2 ] In July 1985, ChemDraw was demonstrated at t... | https://en.wikipedia.org/wiki/ChemDraw |
ChemInform was an indexing and abstracting service and database in chemistry . The service published abstracts related to organic , organometallic , inorganic and physical chemistry .
The abstracts were published in ChemInform: Selected Abstracts in Chemistry from 1970 to 2016. It was originally published in two parts... | https://en.wikipedia.org/wiki/ChemInform |
ChemMedChem is a biweekly peer-reviewed scientific journal covering medicinal chemistry . It is published by Wiley-VCH on behalf of Chemistry Europe . In addition to original research in the form of full papers and shorter communications, the journal contains review-type articles (reviews, minireviews, patent reviews, ... | https://en.wikipedia.org/wiki/ChemMedChem |
ChemPhysChem is a biweekly peer-reviewed scientific journal published by Wiley-VCH on behalf of Chemistry Europe . It was established in 2000 and covers all aspects of chemical physics and physical chemistry . Initially published monthly, the journal moved to 18 issues per year in 2007, and further to biweekly in 2016.... | https://en.wikipedia.org/wiki/ChemPhysChem |
The International Chemical Secretariat (ChemSec) is a non-profit environmental organisation founded in Sweden in 2002 to advocate in favour of stricter regulatory controls on potentially hazardous chemicals and to work with businesses on reducing the production and use of hazardous substances in their products and supp... | https://en.wikipedia.org/wiki/ChemSec |
ChemSpider is a freely accessible online database of chemicals owned by the Royal Society of Chemistry . [ 3 ] [ 4 ] [ 5 ] [ 6 ] [ 7 ] It contains information on more than 100 million molecules from over 270 data sources, each of them receiving a unique identifier called ChemSpider Identifier.
The database sources inc... | https://en.wikipedia.org/wiki/ChemSpider |
ChemWindow is a chemical structure drawing molecule editor and publishing program now published by John Wiley & Sons as of 2020, [ 1 ] originally developed by Bio-Rad Laboratories, Inc. [ 2 ] [ 3 ] It was first developed by SoftShell International in the 1990s. [ 4 ] Bio-Rad acquired this technology in 1996 and eventua... | https://en.wikipedia.org/wiki/ChemWindow |
Chem X Seer project, funded by the National Science Foundation, is a public integrated digital library , database, and search engine for scientific papers in chemistry . [ 1 ] It is being developed by a multidisciplinary team of researchers at the Pennsylvania State University . Chem X Seer was conceived by Dr. Prasenj... | https://en.wikipedia.org/wiki/ChemXSeer |
Chematica is a software that uses algorithms and a collective database to predict synthesis pathways for molecules. The software development, led by Bartosz A. Grzybowski, was publicized in August 2012. In 2017, the software and database were wholly purchased by Merck KGaA | MRK. [ 1 ] [ 2 ] Since the acquisition, the ... | https://en.wikipedia.org/wiki/Chematica |
Chemcatcher is a passive sampling device for monitoring a variety of pollutants (including trace metals , polycyclic aromatic hydrocarbons , pesticides and pharmaceutical residues) in water. [ 1 ] It is a reusable three component, water-tight PTFE body. Two different designs are available to accommodate different types... | https://en.wikipedia.org/wiki/Chemcatcher |
Chemerin peptides are short peptides (on the order of 9 amino acids) that are produced from the carboxyl terminus of the chemokine chemerin . Chemerin is an chemotactic adipokine; essentially a signalling protein that is involved in adipogenesis and immune response. [ 1 ] Chemerin peptides display the same activities a... | https://en.wikipedia.org/wiki/Chemerin_peptide |
Chemfig is a LaTeX package used for creating graphical representations of chemical structures , molecules , reaction schemes , and structural formulas . It provides a simple and flexible syntax to define atoms , bonds , angles , rings . [ 1 ] It allows for the construction of both organic and inorganic molecules using ... | https://en.wikipedia.org/wiki/Chemfig |
Chemfluence is a national level technical symposium of the Department of Chemical Engineering, Alagappa College of Technology, Anna University , India. It started in 1994 as a college level symposium, and is now in its 29th year. Paper presentations, poster presentations, guest lectures, workshops and events form an in... | https://en.wikipedia.org/wiki/Chemfluence |
The Chemical, Paper and Ceramic Union ( German : IG Chemie-Papier-Keramik ) was a trade union representing chemical, oil refinery, paper, rubber, ceramics, glass and plastics workers in West Germany.
While the Factory Workers' Union of Germany , dissolved by the Nazis in 1933, was seen as the forerunner of the union, ... | https://en.wikipedia.org/wiki/Chemical,_Paper_and_Ceramic_Union |
Chemical & Engineering News ( C&EN ) is a weekly news magazine published by the American Chemical Society (ACS), providing professional and technical news and analysis in the fields of chemistry and chemical engineering . [ 1 ] It includes information on recent news and research in these fields, career and employment i... | https://en.wikipedia.org/wiki/Chemical_&_Engineering_News |
Chemical Abstracts Service ( CAS ) is a division of the American Chemical Society . It is a source of chemical information and is located in Columbus, Ohio , United States .
Chemical Abstracts is a periodical index that provides numerous tools such as SciFinder as well as tagged keywords, summaries, indexes of disclos... | https://en.wikipedia.org/wiki/Chemical_Abstracts_Service |
Chemical Agent Detector Paper is a type of paper used for detecting the presence of chemical agents, including nerve agents , mustard agents , and blister agents . The paper typically change color in the presence of a chemical agent. The U.S. Military and first responders typically use the paper.
M8 Detector Paper is ... | https://en.wikipedia.org/wiki/Chemical_Agent_Detector_Paper |
Chemical Agent Identification Sets ( CAIS ), known by several other names, were sets of glass vials or bottles that contained small amounts of chemical agents . They were employed by all branches of the United States Armed Forces from 1928-1969 for the purpose of training in detection, handling and familiarization with... | https://en.wikipedia.org/wiki/Chemical_Agent_Identification_Set |
The Chemical Database Service [ 1 ] is an EPSRC -funded mid-range facility [ 2 ] that provides UK academic institutions with access to a number of chemical databases . [ 3 ] [ 4 ] It has been hosted by the Royal Society of Chemistry since 2013, before which it was hosted by Daresbury Laboratory (part of the Science and... | https://en.wikipedia.org/wiki/Chemical_Database_Service |
Chemical Engineering Science is a peer-reviewed scientific journal covering all aspects of chemical engineering . It is published by Elsevier and was established in 1951. While the journal aims to publish "outstanding research that has as its foundations the Science of Chemical Engineering", it has focuses on the theme... | https://en.wikipedia.org/wiki/Chemical_Engineering_Science |
Chemical Engineering and Biotechnology Abstracts ( CEABA-VTB ) is an abstracting and indexing service that is published by DECHEMA, BASF , and Bayer Technology Services, all based in Germany . This is a bibliographic database that covers multiple disciplines.
Subject coverage includes engineering , management , manufa... | https://en.wikipedia.org/wiki/Chemical_Engineering_and_Biotechnology_Abstracts |
The Chemical Facility Anti-Terrorism Standards ( CFATS ), codified at 6 C.F.R. part 27, are a set of United States federal government security regulations for certain high-risk chemical facilities that possess particular chemicals, called chemicals of interest ( COI ) at particular concentrations. The CFATS regulations... | https://en.wikipedia.org/wiki/Chemical_Facility_Anti-Terrorism_Standards |
Chemical Geology is an international peer-reviewed academic journal . The journal is affiliated with the European Association of Geochemistry [ 1 ] and it is published by Elsevier ., [ 2 ] publishing both subscription and open access articles. The journal is a hybrid open-access journal . [ 2 ]
Chemical Geology publis... | https://en.wikipedia.org/wiki/Chemical_Geology |
The Chemical Industries Association (CIA) is the leading national trade association representing and advising chemical and pharmaceutical companies located across the United Kingdom .
Chemicals manufacturing in the UK is largely concentrated in the northern regions of the UK and Scotland, in four key chemical Clusters... | https://en.wikipedia.org/wiki/Chemical_Industries_Association |
The Chemical Institute of Canada is a Canadian professional umbrella organization for researchers and professionals in the field of chemistry . It was founded in 1921 as the Canadian Institute of Chemistry until it merged with other groups in 1945 under its current name. The organization comprises two groups: the Canad... | https://en.wikipedia.org/wiki/Chemical_Institute_of_Canada |
Chemical Markup Language ( ChemML or CML ) is an approach to managing molecular information using tools such as XML and Java . [ 1 ] It was the first domain specific implementation based strictly on XML , first based on a DTD [ 2 ] and later on an XML Schema , [ 3 ] the most robust and widely used system for precise in... | https://en.wikipedia.org/wiki/Chemical_Markup_Language |
Chemical Physics Letters is a biweekly peer-reviewed scientific journal covering research in chemical physics and physical chemistry . It was established in 1967 and is published by Elsevier . The editors-in-chief are David C. Clary , B. Dietzek, K-L. Han, and A. Karton .
This article about a chemistry journal is a st... | https://en.wikipedia.org/wiki/Chemical_Physics_Letters |
The Chemical Probes Portal is an open, online resource whose purpose is to identify and make available high quality chemical probes for use in biological research and drug discovery . While chemical probes can be valuable tools to elucidate signal transduction pathways and to validate new drug targets , many of the pr... | https://en.wikipedia.org/wiki/Chemical_Probes_Portal |
The Chemical Research Center of the Hungarian Academy of Sciences (in short: CRC-HAS, Hungarian language : Magyar Tudományos Akadémia Kémiai Kutatóközpont , MTA KK) is a non-profit research institute seated in Budapest , Hungary.
The Chemical Research Center of the Hungarian Academy of Sciences belongs to the research... | https://en.wikipedia.org/wiki/Chemical_Research_Center_of_the_Hungarian_Academy_of_Sciences |
Chemical Research Society of India ( CRSI ) is an India based scientific society dedicated to the field of chemistry . It was established in 1999 as a part of celebrating India's 50th anniversary of independence . [ 1 ] C. N. R. Rao became its founder president and the organization currently has 1500 lifetime members. ... | https://en.wikipedia.org/wiki/Chemical_Research_Society_of_India |
The Chemical Society was a scientific society formed in 1841 (then named the Chemical Society of London ) by 77 scientists as a result of increased interest in scientific matters. [ 1 ] Chemist Robert Warington was the driving force behind its creation.
The early days of the 1824 Chemical Society came with a rough sta... | https://en.wikipedia.org/wiki/Chemical_Society |
Chemical Society Located in Taipei ( CSLT ; Chinese : 中國化學會 ; lit. 'Chinese Chemical Society') is a Taiwanese scholarly organization dedicated to chemistry . [ 1 ] The organization traces its roots to the establishment of Chinese Chemical Society in Nanjing in 1932 and was reestablished in Taiwan in 1950. [ 2 ] For pol... | https://en.wikipedia.org/wiki/Chemical_Society_Located_in_Taipei |
The Chemical Society of Japan ( 公益社団法人 日本化学会 , Kōeki Shadanhōjin Nihon Kagakukai ) ( CSJ ) is a learned society and professional association founded in 1878 in order to advance research in chemistry. The mission of the CSJ is to promote chemistry for science and industry in collaboration with other domestic and global... | https://en.wikipedia.org/wiki/Chemical_Society_of_Japan |
The Chemical Society of Mexico ( Spanish : Sociedad Química de México ; SQM ) is a learned society ( professional association ) based in Mexico which supports scientific inquiry and education in the field of chemistry .
The Society organizes two annual congresses, one for general chemistry and the other for chemical e... | https://en.wikipedia.org/wiki/Chemical_Society_of_Mexico |
The Chemical Society of Nigeria is the professional organisation supporting the chemical sciences in Nigeria and a learned society promoting the science and practice of chemistry . [ 1 ]
The Pan Africa Chemistry Network has a center of excellence in analytical chemistry in Nigeria .
This article about a chemistry org... | https://en.wikipedia.org/wiki/Chemical_Society_of_Nigeria |
The Chemical Society of Pakistan , also known as Pakistan Chemistry Society , is an academic and scientific society of professional chemists, devoted and dedicated for scientific inquiry in the field of chemistry. [ 2 ] It is one of the largest learned societies of Pakistan and groups together all degree-levels in all ... | https://en.wikipedia.org/wiki/Chemical_Society_of_Pakistan |
Chemical Society of Peru is a non-profit scientific institution devoted to chemistry . It was founded in 1933 and groups to all the professionals related to natural sciences in which chemistry plays an important role, such as chemists , chemical engineers , chemical pharmacists , biologists , biochemists and physicians... | https://en.wikipedia.org/wiki/Chemical_Society_of_Peru |
Chemical Vapor Deposition was a monthly peer-reviewed scientific journal covering materials science . It was established in 1995 and ceased independent publication in 2015, when it became a section of Advanced Materials Interfaces . The journal was published by Wiley-VCH and the editor-in-chief was Peter Gregory.
The ... | https://en.wikipedia.org/wiki/Chemical_Vapor_Deposition_(journal) |
The Chemical Weapons Act 1996 was passed in the UK during the time of a Conservative government under John Major . It was adopted on the 03/04/1996 and came into force in 16/09/1996. This act was made so that the UK could be compliant with the 1993 Convention on the Prohibition of the Development, Production, Stockpili... | https://en.wikipedia.org/wiki/Chemical_Weapons_Act_1996 |
The Chemical Weapons Convention ( CWC ), officially the Convention on the Prohibition of the Development, Production, Stockpiling and Use of Chemical Weapons and on their Destruction , is an arms control treaty administered by the Organisation for the Prohibition of Chemical Weapons (OPCW), an intergovernmental organiz... | https://en.wikipedia.org/wiki/Chemical_Weapons_Convention |
Chemical WorkBench is a proprietary simulation software tool aimed at the reactor scale kinetic modeling of homogeneous gas-phase and heterogeneous processes and kinetic mechanism development. It can be effectively used for the modeling, optimization, and design of a wide range of industrially and environmentally impor... | https://en.wikipedia.org/wiki/Chemical_WorkBench |
The Chemical Workers' Industrial Union (CWIU) was a trade union representing workers in chemical and related industries in South Africa.
The union was founded on 24 November 1974, on the initiative of the General Factory Workers' Benefit Fund. By the end of the year, it had about 1,000 members and had affiliated to t... | https://en.wikipedia.org/wiki/Chemical_Workers'_Industrial_Union |
The Chemical Workers' Union ( German : Gewerkschaft der Chemiearbeiter , GdC) was a trade union representing workers in the chemical industry in Austria .
The union was founded in 1945 by the Austrian Trade Union Federation . By 1998, it had 37,941 members. [ 1 ] In 2009, it merged with the Metal-Textile-Food Union ,... | https://en.wikipedia.org/wiki/Chemical_Workers'_Union_(Austria) |
The Chemical Workers' Union was a trade union in the Czechoslovakia . The union was led by Josef Hais. The union published Dělnik ('Worker'). Dissolved in 1922, the Chemical Workers' Union had a membership of 76,978, as of 1921. [ 1 ]
The Chemical Workers' Union was affiliated with the Odborové sdružení československé... | https://en.wikipedia.org/wiki/Chemical_Workers'_Union_(Czechoslovakia) |
The Chemical Workers' Union ( Finnish : Kemian Työntekijäin Liitto , KTL) was a trade union representing workers in the chemical industry in Finland.
The union was founded in 1970, with the merger of the Finnish General Workers' Union and many workers from the General and Speciality Workers' Union . The new union aff... | https://en.wikipedia.org/wiki/Chemical_Workers'_Union_(Finland) |
The Chemical Workers' Union was a trade union in the United Kingdom .
The union was established in 1912 by a small group of pharmacists, as the Retail Chemists' Association . Most of its members were also members of the Pharmaceutical Society , and it focused on improving standards in the trade and limiting the numbe... | https://en.wikipedia.org/wiki/Chemical_Workers'_Union_(United_Kingdom) |
A chemical accident is the unintentional release of one or more hazardous chemicals , which could harm human health and the environment. Such events include fires, explosions , and release of toxic materials that may cause people illness, injury, or disability. Chemical accidents can be caused for example by natural di... | https://en.wikipedia.org/wiki/Chemical_accident |
Flocculation (in polymer science) : Reversible formation of aggregates in which the particles are not in physical contact.
Agglomeration (except in polymer science) Coagulation (except in polymer science) Flocculation (except in polymer science) Process of contact and adhesion whereby dispersed molecules or particles ... | https://en.wikipedia.org/wiki/Chemical_addition_wastewater_treatment |
In chemical physics and physical chemistry , chemical affinity is the electronic property by which dissimilar chemical species are capable of forming chemical compounds . [ 1 ] Chemical affinity can also refer to the tendency of an atom or compound to combine by chemical reaction with atoms or compounds of unlike compo... | https://en.wikipedia.org/wiki/Chemical_affinity |
Chemical bath deposition , also called chemical solution deposition [ 1 ] and CBD , is a method of thin-film deposition (solids forming from a solution or gas), using an aqueous precursor solution. [ 1 ] Chemical bath deposition typically forms films using heterogeneous nucleation ( deposition or adsorption of aqueous ... | https://en.wikipedia.org/wiki/Chemical_bath_deposition |
Chemical beam epitaxy (CBE) forms an important class of deposition techniques for semiconductor layer systems, especially III-V semiconductor systems. This form of epitaxial growth is performed in an ultrahigh vacuum system. The reactants are in the form of molecular beams of reactive gases, typically as the hydride or... | https://en.wikipedia.org/wiki/Chemical_beam_epitaxy |
Chemical biology is a scientific discipline between the fields of chemistry and biology . The discipline involves the application of chemical techniques, analysis, and often small molecules produced through synthetic chemistry , to the study and manipulation of biological systems. [ 1 ] Although often confused with bio... | https://en.wikipedia.org/wiki/Chemical_biology |
A chemical bonding model is a theoretical model used to explain atomic bonding structure, molecular geometry, properties, and reactivity of physical matter. This can refer to: | https://en.wikipedia.org/wiki/Chemical_bonding_model |
Water ( H 2 O ) is a simple triatomic bent molecule with C 2v molecular symmetry and bond angle of 104.5° between the central oxygen atom and the hydrogen atoms. Despite being one of the simplest triatomic molecules , its chemical bonding scheme is nonetheless complex as many of its bonding properties such as bond angl... | https://en.wikipedia.org/wiki/Chemical_bonding_of_water |
The chemical chameleon is a redox reaction , well known from classroom demonstrations, that exploits the dramatic color changes associated with the various oxidation states of manganese . [ 1 ] [ 2 ]
Glauber reported the first description of the production of potassium permanganate when he noted that manganese dioxide... | https://en.wikipedia.org/wiki/Chemical_chameleon |
A chemical clock (or clock reaction ) is a complex mixture of reacting chemical compounds in which the onset of an observable property (discoloration or coloration) occurs after a predictable induction time due to the presence of clock species at a detectable amount. [ 1 ] In cases where one of the reagents has a visib... | https://en.wikipedia.org/wiki/Chemical_clock |
A chemical composition specifies the identity, arrangement, and ratio of the chemical elements making up a compound by way of chemical and atomic bonds .
Chemical formulas can be used to describe the relative amounts of elements present in a compound. For example, the chemical formula for water is H 2 O: this means th... | https://en.wikipedia.org/wiki/Chemical_composition |
A chemical compound microarray is a collection of organic chemical compounds spotted on a solid surface, such as glass and plastic. This microarray format is very similar to DNA microarray , protein microarray and antibody microarray . In chemical genetics research, they are routinely used for searching proteins that b... | https://en.wikipedia.org/wiki/Chemical_compound_microarray |
A chemical computer , also called a reaction-diffusion computer , Belousov–Zhabotinsky ( BZ ) computer , or gooware computer , is an unconventional computer based on a semi-solid chemical "soup" where data are represented by varying concentrations of chemicals. [ 1 ] The computations are performed by naturally occurrin... | https://en.wikipedia.org/wiki/Chemical_computer |
In chemistry , conditioning is a process in which chemical reaction factors are stabilized or enhanced. Examples include increasing the quality of a material by using another material (a conditioner ) or improving the ability of solids to capture and physically or chemically treat water. There are three main conditioni... | https://en.wikipedia.org/wiki/Chemical_conditioning |
The chemical industry comprises the companies and other organizations that develop and produce industrial, specialty and other chemicals . Central to the modern world economy , the chemical industry converts raw materials ( oil , natural gas , air , water , metals , and minerals ) into commodity chemicals for industria... | https://en.wikipedia.org/wiki/Chemical_corporation |
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