*  Norrish reaction
Blacet, F. E.; N. Pitts Jr., James (1950). "Methyl Ethyl Ketone Photochemical Processes". Journal of the American Chemical ... The Norrish type I reaction is the photochemical cleavage or homolysis of aldehydes and ketones into two free radical ... The carbonyl group accepts a photon and is excited to a photochemical singlet state. Through intersystem crossing the triplet ... A Norrish type II reaction is the photochemical intramolecular abstraction of a γ-hydrogen (a hydrogen atom three carbon ...
*  Nonlinear optics
Lewis, Gilbert N.; Lipkin, David; Magel, Theodore T. (November 1941). "Reversible Photochemical Processes in Rigid Media. A ... The above holds for χ ( 2 ) {\displaystyle \chi ^{(2)}} processes. It can be extended for processes where χ ( 3 ) {\ ... In these processes, the medium has a linear response to the light, but the properties of the medium are affected by other ... The power for this comes from the two pump beams, which are depleted by the process. The frequency of the conjugate wave can be ...
*  Di-pi-methane rearrangement
A general photochemical process". Journal of the American Chemical Society. 89 (15): 3932-3933. doi:10.1021/ja00991a064. ISSN ... The di-pi-methane rearrangement is a photochemical reaction of a molecular entity that contains two π-systems separated by a ... Process a is preferred since it leaves benzhydryl odd-electron stabilization intact. Equation 2. The mechanism of the Pratt ... thus inhibiting the Di-pi-Methane process. The cis-trans isomerization proceeds by weakening of a pi-bond and then twisting. ...
*  Bullvalene
A General Photochemical Process" (PDF). J. Am. Chem. Soc. 89 (15): 3932-3933. doi:10.1021/ja00991a064. Wang, C.; Yuan, J.; Li, ... This pattern is consistent with an exchange process whose rate k is close to the frequency separation of the four contributing ...
*  Richard Lindzen
"Radiative and photochemical processes in mesospheric dynamics: Part I. Models for radiative and photochemical processes" (PDF ... The first of these, Part I: Models for Radiative and Photochemical Processes, was co-authored with his Harvard colleague and ... This formed the basis of his seminal Radiative and Photochemical Processes in Mesospheric Dynamics that was published in four ... 2.0.CO;2. Lindzen, Richard S (1966). "Radiative and photochemical processes in mesospheric dynamics. Part III. Stability of a ...
*  Ozone depletion
The photochemical processes involved are complex but well understood. The key observation is that, ordinarily, most of the ... and in the cleaning processes of delicate electronic equipment. They also occur as by-products of some chemical processes. No ... This is a continuing process that terminates when an oxygen atom recombines with an ozone molecule to make two O 2 molecules. O ... As warm, ozone and NO 2-rich air flows in from lower latitudes, the PSCs are destroyed, the enhanced ozone depletion process ...
*  Advanced oxidation process
Thompson, Tracy L; Yates, John T (2006). "Surface science studies of the photoactivation of TiO2-new photochemical processes". ... Chapter III Advanced Oxidation Processes. Munter, Rein (2001). "Advanced Oxidation Processes-Current Status and Prospects". ... Although oxidation processes involving ·OH have been in use since late 19th century (such as in Fenton reagent, which, however ... Advanced oxidation processes (abbreviation: AOPs), in a broad sense, are a set of chemical treatment procedures designed to ...
*  Vinyl alcohol
This tautomerization can be catalyzed via photochemical process. These findings suggest that the keto-enol tautomerization is a ...
*  Enzacamene
This low quantum yield means that other photochemical processes are also occurring. Studies have raised the issue that ... Photochemical and photophysical properties of sunscreens. Mueller SO; Kling M; Arifin Firzani P; et al. (April 2003). " ...
*  Aerobic methane production
found that "emissions from UV irradiation are almost instantaneous, indicating a direct photochemical process". Keppler et al. ... The process involves non-microbial methane generation from terrestrial plant-matter. Temperature and ultraviolet light are ... Methane may also be produced under aerobic conditions in near-surface ocean water, a process which likely involves the ... Naturally occurring methane is mainly produced by the process of methanogenesis, a form of anaerobic respiration used by ...
*  George Kistiakowsky
Encouraged by Taylor, Kistiakowsky also published an American Chemical Society monograph on photochemical processes. In 1930, ... The challenge was to develop an industrial process that could produce it on a large scale. RDX was also mixed with TNT to ... a non-toxic explosive produced as a by-product of the RDX process, with flour to create "Aunt Jemima", after a brand of pancake ... but on the entire process of picking targets, generating requirements, and planning for nuclear war operations. Between his ...
*  Cage effect
Rabinowitch, E (1936). "The collison [sic] mechanism and the primary photochemical process in solutions". Transactions of the ... to the sum of the rate constants for all cage processes. According to mathematical models, Fc is dependent on changes on ...
*  James Franck
Franck's first paper there, co-authored with Edward Teller, was on photochemical processes in crystals. Hans Gaffron became his ... 8-9. Franck, J. (1926). "Elementary processes of photochemical reactions". Transactions of the Faraday Society. 21: 536-542. ... the process by which plants use light to convert carbon dioxide and water into more organic compounds. Biological processes ...
*  Photoelectrochemical process
In most photochemical reactions the primary process is usually followed by so-called secondary photochemical processes that are ... The photochemical equivalence law applies to the part of a light-induced reaction that is referred to as the primary process (i ... The law is further restricted to conventional photochemical processes using light sources with moderate intensities; high- ... Photoelectrochemical processes are processes in photoelectrochemistry; they usually involve transforming light into other forms ...
*  Armies in the American Civil War
Photography, lithographic presses, and eventually photochemical processes gave the Federals the ability to reproduce maps ... The process was repeated until the command to cease firing was given. Four basic types of projectiles were employed by Civil ... This process, accelerated by the Civil War, ensured that the rifled shoulder weapon would be the basic weapon used by ... Federal topographic engineers performed personal reconnaissance to develop base maps, reproduce them by several processes, and ...
*  Artemisinin
The reaction is followed by a photochemical process creating singlet oxygen to obtain the end product. Sanofi expects to ... a biotechnology firm in California, which refined the process to enable large-scale production and developed scalable processes ... The partnership to create a new pharmaceutical manufacturing process was led by PATH's Drug Development program (through an ... Melinda Gates Foundation and based on a modified biosynthetic process for artemisinic acid, initially designed by Jay Keasling ...
*  Calcium chromate
It is used as a pigment, a corrosion inhibitor, and in electroplating, photochemical processing, and industrial waste treatment ...
*  Ashland/Northern States Power Lakefront
They are usually highly noxious, and can be harmful to the photochemical processes that are important to our atmosphere. The ... These process included cutting logs into beams and planks, treating woods with tars and other chemicals to seal them, etc. By- ... So, care must be taken in the cleanup process to not puncture that clay barrier and unleash the torrents of the spring, because ... In the process of exploring further expansion options in 1989, contaminated soil and groundwater samples were found, indicating ...
*  Direct DNA damage
The transformation of excitation energy into harmless heat occurs via a photochemical process called internal conversion. In ... Due to the excellent photochemical properties of DNA, this nature-made molecule is damaged by only a tiny fraction of the ...
*  Photochemistry
Most photochemical transformations occur through a series of simple steps known as primary photochemical processes. One common ... Vision is initiated by a photochemical reaction of rhodopsin. Toray photochemical production of ε-caprolactame. Photochemical ... Photoexcitation is the first step in a photochemical process where the reactant is elevated to a state of higher energy, an ... In general, excited species are prone to participate in electron transfer processes. Photochemical reactions require a light ...
*  Ethanol-induced non-lamellar phases in phospholipids
Fluorescence recovery after photobleaching (FRAP) is a photochemical process applied to fluorophores when they lose their ... This process can also be used to determine whether or not lipids have denatured. For example, originally a TLC analysis shows ... The process involves using quadrupole signaling properties for examining lamellar versus non-lamellar phases as well. An ... It also rejuvenates the fluorescence of the fluorophore and monitors how long this process takes to occur overtime. Nearest ...
*  Hydrogen cycle
The largest sources of environmental H2 are the atmospheric photochemical process of hydrocarbon dissociation and microbial H2 ... One of these many processes that occur is termed "interspecies hydrogen transfer". This process has been described as integral ... Biological processes are the dominant sink for atmospheric H2 illustrating that overall the most important physiological role ... Within microbial environments cellular processes which result in H2 production are nearly always linked with either inter or ...
*  Factors of polymer weathering
Therefore, the rate of oxygen diffusion increases and free radical fragments formed in primary photochemical processes are more ... The extent of photochemical reactions involving oxygen differ in the inner and outer layers of both aromatic and aliphatic ... The photochemical reaction of nitrogen oxides and hydrocarbons from automobile exhausts is another source. Ozone plays a dual ... This cascade effect results in an auto-acceleration of the weathering process, and may partially account for the general non- ...
*  Photosensitizer
A photosensitizer is a molecule that produces a chemical change in another molecule in a photochemical process. ...
*  Ames Project
... using a photochemical process. Uranium oxide was reacted with potassium fluoride in large vats on the roof of Westinghouse's ... He investigated a process (now known as the Ames process) originally developed by J. C. Goggins and others at the University of ... With Westinghouse's process, it would have cost $200,000 and taken a year to produce. The hydride or "hydramet" process, ... The process was then scaled up. By September, bombs were being prepared in 4-inch (10 cm) steel pipes 15 inches (38 cm) long, ...
*  Klaus Schulten
Modeling the processes involved in converting sunlight into chemical energy meant representing 100 million atoms, 16,000 lipids ... "Electron transfer and spin exchange contributing to the magnetic field dependence of the primary photochemical reaction of ... He used petascale computers, and planned to use exa-scale computers, to model atomic-scale bio-chemical processes. His work ... Their simulations suggested that drug resistance may arise from disruption of the binding process due to electrostatic ...