*  Dale's principle - Wikipedia
The principle basically states that a neuron performs the same chemical action at all of its synaptic connections to other ... Dale was interested in the possibility that a neuron releasing one of these chemicals in the periphery might also release the ... This chemical is now officially called epinephrine Shepherd, GM (1988). Neurobiology. Oxford University Press. p. 163. ISBN 978 ... With only two transmitter chemicals known to exist at the time, the possibility of a neuron releasing more than one transmitter ...
  https://en.wikipedia.org/wiki/Dale's_principle
*  Valveless pulsejet - Wikipedia
... so there is enough chemical action in the residue in the combustion zone to act as an igniter for the next blast once the ... During this phase, too, there is a difference in action between the very different masses in the intake and tailpipe. The ... During the brief mass acceleration phase of each cycle, the engine's physical action is like that of other reaction engines - ... Both of these basic actions are accomplished by a significant drop in pressure that occurs naturally after the deflagration ...
  https://en.wikipedia.org/wiki/Valveless_pulsejet
*  Regulation of chemicals - Wikipedia
New Regulatory Risk Management Actions Development of Chemical Action Plans, which will target the risk management efforts on ... EU: Chemicals in Europe are managed by the REACH (Registration, Evaluation and Authorization and Restriction of Chemicals) and ... "REACH - Chemicals - Environment - European Commission". europa.eu. "Chemicals". europa.eu. "CLP/GHS - Classification, labelling ... "Specific Chemicals and GLP". europa.eu. "Chemicals Management Plan". canada.ca. ...
  https://en.wikipedia.org/wiki/Regulation_of_chemicals
*  Pharmacovigilance - Wikipedia
... and does not achieve its purposes through chemical action within or on the body (which would make it a drug). Whereas medicinal ... It is an important source of regulatory actions such as taking a drug off the market or a label change due to safety problems. ... These reports are assessed locally and may lead to action within the country. Since 1978, the programme has been managed by the ... products (also called pharmaceuticals) achieve their principal action by pharmacological, metabolic or immunological means, ...
  https://en.wikipedia.org/wiki/Pharmacovigilance
*  Allelopathy - Wikipedia
... from the environment without any chemical action on the surrounding plants is called resource competition. This process is not ... In: Chemical Ecology of Plants: Allelopathy in aquatic and terrestrial ecosystems, A. U. Mallik and anon. (Inderjit), Eds. ... In: Chemical Ecology of Plants: Allelopathy in aquatic and terrestrial ecosystems, Mallik, A.U. and anon., Eds. Birkhauser ... Phytotoxicity of barley allelochemicals Journal of Chemical Ecology 19:2231-2244. Kong, C.H., Li, H.B., Hu, F., Xu, X.H., Wang ...
  https://en.wikipedia.org/wiki/Allelopathy
*  Cavitation (elastomers) - Wikipedia
... tensile stress acting on a pre-existing void void pressurization due to gases that are generated due to chemical action (as in ... Cavitation is the unstable unhindered expansion of a microscopic void in a solid elastomer under the action of tensile ...
  https://en.wikipedia.org/wiki/Cavitation_(elastomers)
*  List of life sciences - Wikipedia
... and does not achieve its purposes through chemical action within or on the body (which would make it a drug). Whereas medicinal ... Pharmacology - Pharmacology is the branch of medicine and biology concerned with the study of drug action, where a drug can be ... More specifically, it is the study of the interactions that occur between a living organism and chemicals that affect normal or ... Toxicology - study of the effects of chemicals on living organisms Zoology - study of animals, including classification, ...
  https://en.wikipedia.org/wiki/List_of_life_sciences
*  Chemical weapon - Wikipedia
... for chemical substances that are a high priority for action". "Chemical categories". Archived from the original on 2005-11-08 ... "Umatilla Chemical Depot (press release)". U.S. Army Chemical Materials Agency. August 10, 2010. "Israel stockpiled chemical ... Army Completes Chemical Stockpile Destruction at Pine Bluff Chemical Agent Disposal Facility". U.S. Army Chemical Materials ... A chemical weapon (CW) is a specialized munition that uses chemicals formulated to inflict death or harm on humans. According ...
  https://en.wikipedia.org/wiki/Chemical_weapon
*  Electrochemistry - Wikipedia
... the conclusion that the production of electricity in simple electrolytic cells resulted from chemical action and that chemical ... "the amounts of bodies which are equivalent to each other in their ordinary chemical action have equal quantities of electricity ... and identifiable chemical change, with either electricity considered an outcome of a particular chemical change or vice versa. ... Thus electrochemistry deals with the interaction between electrical energy and chemical change. When a chemical reaction is ...
  https://en.wikipedia.org/wiki/Electrochemistry
*  Nikodem Caro - Wikipedia
Caro is the author of many works about various elements, synthesis a chemical compounds actions e.g. Gewinnung von Chlor und ...
  https://en.wikipedia.org/wiki/Nikodem_Caro
*  Deinking - Wikipedia
This is achieved by a combination of mechanical action and chemical means. In Europe the most common process is froth flotation ... The pulper chops the paper to smaller pieces; water and chemicals are added. Normally the pH is adjusted to 8.5 - 10.0. Normal ... Studies have indicated that paper might contain as many as 10,000 different chemicals, fate of which in the deinking process ... Additional issues arise when taking into account the number of chemicals potentially present in paper for recycling. ...
  https://en.wikipedia.org/wiki/Deinking
*  Mechanism of action - Wikipedia
"Target identification and mechanism of action in chemical biology and drug discovery". Nature Chemical Biology. 9 (4): 232-240 ... Receptor sites have specific affinities for drugs based on the chemical structure of the drug, as well as the specific action ... There are many drugs in which the mechanism of action is known. One example is aspirin. The mechanism of action of aspirin ... Furthermore, the term mechanism of action is the main term that is primarily used in pharmacology, whereas mode of action will ...
  https://en.wikipedia.org/wiki/Mechanism_of_action
*  Gel dosimetry - Wikipedia
... imaging Phys Med Biol 29 1189-97 Fricke H and Morse S 1927 The chemical action of roentgen rays on dilute ferrous sulphate ... imaging Phys Med Biol 29 1189-97 Fricke H and Morse S 1927 The chemical action of roentgen rays on dilute ferrous sulphate ... Day M J and Stein G 1950 Chemical effects of ionizing radiation in some gels Nature 166 146- 7 Andrews H L, Murphy R E and ... This system was given the acronym BANANA due to the use of the chemical components (bis, acrylamide, nitrous oxide and agarose ...
  https://en.wikipedia.org/wiki/Gel_dosimetry
*  Medical device - Wikipedia
... primary purpose through chemical action within or on the body of man or other animals and does not depend on metabolic action ... and which does not achieve its principal intended action in or on the human body by pharmacological, immunological, or ... or of a physiological process Control of conception This includes devices that do not achieve their principal intended action ...
  https://en.wikipedia.org/wiki/Medical_device
*  John Herschel - Wikipedia
"On the Chemical Action of the Rays of the Solar Spectrum on Preparations of Silver and Other Substances, Both Metallic and Non- ... Herschel, John William Frederich (1842), "On the Action of the Rays of the Solar Spectrum on Vegetable Colours, and on some new ... He made many contributions to the science of photography, and investigated colour blindness and the chemical power of ...
  https://en.wikipedia.org/wiki/John_Herschel
*  Daigo FukuryĆ« Maru - Wikipedia
... he also hypothesized that the lesions on the fishermen's bodies were not caused by radiation but by the chemical action of the ... isotopic ratios-namely a percentage of uranium-237-could reveal the design of the Castle Bravo device through radio-chemical ...
  https://en.wikipedia.org/wiki/Daigo_Fukury%C5%AB_Maru
*  Chemical Weapons Convention - Wikipedia
Separate from the precursors, the convention defines toxic chemicals as "[a]ny chemical which through its chemical action on ... Chemical Weapons Convention Website, United States Chemical Weapons Convention Website, Singapore Chemical Weapons Convention: ... Chemical Weapons Convention, Article 21. Chemical Weapons Convention, Article 23. Chemical Weapons Convention, Article 24. " ... OPCW website The Chemical Weapons Convention at a Glance, Arms Control Association Chemical Warfare Chemicals and Precursors, ...
  https://en.wikipedia.org/wiki/Chemical_Weapons_Convention
*  Timeline of electromagnetism and classical optics - Wikipedia
... creates a voltaic cell producing an electric current by the chemical action of several pairs of alternating copper (or silver) ... Edward Frankland develops the theory of chemical valence 1854 - Gustav Robert Kirchhoff, physicist and one of the founders of ...
  https://en.wikipedia.org/wiki/Timeline_of_electromagnetism_and_classical_optics
*  Henry Morton (scientist) - Wikipedia
... he proved that the bright line of the sun's disc adjacent to the moon is due to a chemical action in the process of developing ... His reputation as a scientist became worldwide and his services as a chemical expert were eagerly sought in litigation. In 1878 ...
  https://en.wikipedia.org/wiki/Henry_Morton_(scientist)
*  Carleton Ellis - Wikipedia
Chemical Catalog Company, 1923) The Chemical Action of Ultraviolet Rays (Chemical Catalog Company, 1925) The Hydrogenation of ... Ellis was the author of The Hydrogenation of Oils in Journal of the Society of Chemical Industry (1912) and a 1920 book of the ... Organic Substances (Van Nostrand, 1930) The Chemistry of Petroleum Derivatives (Chemical Catalog Company 1934) The Chemistry of ...
  https://en.wikipedia.org/wiki/Carleton_Ellis
*  Mistletoebird - Wikipedia
... that takes longer for the fruit seeds to pass and in the process the seeds are subjected to more mechanical and chemical action ... mistletoebird has a small muscularized stomach and short alimentary canal where the amount of mechanical grinding and chemical ...
  https://en.wikipedia.org/wiki/Mistletoebird
*  Chinese art - Wikipedia
... and even reddish patinas created by chemical action as they lay buried in the ground. The study of early Chinese bronze casting ...
  https://en.wikipedia.org/wiki/Chinese_art
*  Leather - Wikipedia
... or through a chemical action following any treatment with tallow or oil compounds. Both oxidation and chemical damage occur ... It is supple and brown in color, with the exact shade depending on the mix of chemicals and the color of the skin. It is the ... Chemicals added during crusting must be fixed in place. Crusting culminates with a drying and softening operation, and may ... Chemical damage can also occur from exposure to environmental factors, including ultraviolet light, ozone, acid from sulfurous ...
  https://en.wikipedia.org/wiki/Leather
*  Globally Harmonized System of Classification and Labelling of Chemicals - Wikipedia
... infectious substances Radioactive substances Substances corrosive to metal are substances or mixtures that by chemical action ... Carcinogenicity means a chemical substance or a mixture of chemical substances that induce cancer or increase its incidence. ... personal protection Physical and chemical properties chemical stability and reactivity Toxicological information Ecological ... Also, harmful chemicals and irritants are marked with an exclamation mark, replacing the European saltire. Pictograms will have ...
  https://en.wikipedia.org/wiki/Globally_Harmonized_System_of_Classification_and_Labelling_of_Chemicals
*  Fire damper - Wikipedia
However, whether an opening is mechanically closed or whether it is the physical/chemical action of an intumescent that does ... Unlike mechanical dampers, it is a physical/chemical reaction that causes the closure to work. Provided the intumescent is ...
  https://en.wikipedia.org/wiki/Fire_damper