نتایج جستجو برای: Photochemical method

تعداد نتایج: 1639772  

Journal: :iranian journal of medical physics 0
faramarz madjidi department of occupational health engineering, school of health, zanjan university of medical sciences, parvin etesamee avenue, zanjan, iran

introduction blue light is a part of the spectrum with the highest energy content, which can reach the retina. the damage that it can cause to the retina is called photochemical or blue-light retinal injury. for the retinal injury assessment of the photochemical and aphakic retinal hazards in the wavelength range of 300-700 nm, use of effective spectral radiance limits (w.m-2.sr-1) seems to be ...

2007
Stefano Protti Daniele Dondi Maurizio Fagnoni Angelo Albini

A series of photochemical reactions are assessed under the environmental aspect by using Eissen and Metzger’s EATOS (environmental assessment tool for organic syntheses) method and are compared with strictly analogous thermal processes. These include C–C bond-forming reactions (arylation and alkylation) and selective oxidation and reduction reactions. In most cases, the photochemical method is ...

Introduction Blue light is a part of the spectrum with the highest energy content, which can reach the retina. The damage that it can cause to the retina is called photochemical or blue-light retinal injury. For the retinal injury assessment of the photochemical and aphakic retinal hazards in the wavelength range of 300-700 nm, use of effective spectral radiance limits (W.m-2.sr-1) seems to be ...

Journal: :iranian journal of environmental sciences 0
pardeep singh department of chemistry, indian institute of technology (bhu), varanasi-221005 india a. borthakur centre for studies in science policy, jawaharlal nehru university (jnu), new delhi-110067, india n. srivastava department of chemical engineering and technology, indian institute of technology (bhu), varanasi-221005 india r. singh institute of environment and sustainable development (iesd), banaras hindu university, varanasi-221005, india d. tiwary department of chemistry, indian institute of technology (bhu), varanasi-221005 india p.k. mishra department of chemical engineering and technology, indian institute of technology (bhu), varanasi-221005 india

the resource intensive human activities (such as mining and extraction of mineral oils for betterment of life and modernization of society) have increased environmental pollution several folds. products of mining and petrochemical industries are advantageous for the modern society. but waste generated such as btex from such industries are carcinogenic, toxic and causes adverse effects on enviro...

AO Akintomide Emmanuel Owolo, Grace Ben Inah Nneoyi O. Egbe,

Introduction Blue light is a part of the spectrum with the highest energy content, which can reach the retina. The damage that it can cause to the retina is called photochemical or blue-light retinal injury. For the retinal injury assessment of the photochemical and aphakic retinal hazards in the wavelength range of 300-700 nm, use of effective spectral radiance limits (W.m-2.sr-1) seems to be...

A. Borthakur D. Tiwary N. Srivastava P.K. Mishra Pardeep Singh, R. Singh

The resource intensive human activities (such as mining and extraction of mineral oils for betterment of life and modernization of society) have increased environmental pollution several folds. Products of mining and petrochemical industries are advantageous for the modern society. But waste generated such as BTEX from such industries are carcinogenic, toxic and causes adverse effects on enviro...

Journal: :Zeitschrift fur Naturforschung. Teil B, Chemie, Biochemie, Biophysik, Biologie und verwandte Gebiete 1967
G Tomita

The heat, ultraviolet and rihoflavin-sensitized visible inactivations of taka-amylase A are strongly inhibited by the presence of its substrate. The stabilization of the secondary structure of enzyme protein by the conformation change due to the formation of enzyme-substrate and -product complexes is responsible for the protection of enzyme from the heat inactivation. The photoinactivations are...

2014
D. Sperlich C. T. Chang J. Peñuelas

Introduction Conclusions References

Journal: :Science 2006
Benjamin J Sussman Dave Townsend Misha Yu Ivanov Albert Stolow

A method is presented for controlling the outcome of photochemical reactions by using the dynamic Stark effect due to a strong, nonresonant infrared field. The application of a precisely timed infrared laser pulse reversibly modifies potential energy barriers during a chemical reaction without inducing any real electronic transitions. Dynamic Stark control (DSC) is experimentally demonstrated f...

Journal: Pollution 2016
A. Borthakur D. Tiwary N. Srivastava P.K. Mishra Pardeep Singh, R. Singh

The resource intensive human activities (such as mining and extraction of mineral oils for betterment of life and modernization of society) have increased environmental pollution several folds. Products of mining and petrochemical industries are advantageous for the modern society. But waste generated such as BTEX from such industries are carcinogenic, toxic and causes adverse effects on enviro...

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