نتایج جستجو برای: ethyl 0
تعداد نتایج: 604566 فیلتر نتایج به سال:
abstract: electrical sensitivity of a boron nitride nanotube (bnnt) was examined toward ethyl acetylene (c4h6) molecule by using density functional theory (dft) calculations at the b3lyp/6-31g (d) level, and it was found that the adsorption energy (ead) of ethyl acetylene the pristine nanotubes is about -1.60kcal/mol. but when nanotube has been doped with si and al atoms, the adsorption energy ...
conclusions this report is the first to document other treatment possibilities for pressure ulcer and/or stasis dermatitis in cases where the use of topical applied ointments and medications is difficult. this new therapy may therefore help physicians to treat pressure ulcers and stasis dermatitis. case presentation case 1: a 21-year-old japanese female with lower-body paralysis. pressure ulcer...
0 6-ethyl-2'-deoxy guanosine (Oa-EtdGuo) is a m ajor prem utational product formed in both in tracellular DNA and in purified DNA in vitro , after exposure to the potent alkylating carcinogen N-ethyl-N-nitrosourea (EtN U). Antibodies directed against 0®-EtdGuo were obtained by immunizing rabbits with a conjungate of 0 8-EtGuo and bovine serum albumin. In a competitive radioimmuno assay (RIA),...
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Ethyl formate, a volatile solvent, has insecticidal and fungicidal properties and is suggested as a potential fumigant for stored crop and fruit. Its primary contact route is through the respiratory tract; however, reliable repeated toxicological studies focusing on the inhalation route have not been published to date. Therefore, the present study was conducted to investigate the safety of a 90...
(-)-Sparteine and TMEDA dramatically lower both enthalpy and entropy of activation for the barrier to enantiomerization of N-Boc-2-lithiopyrrolidine in diethyl ether, whereas N,N'-diisopropylbispidine has little effect; the entropy of activation for enantiomerization is zero in the presence of TMEDA and slightly negative in the presence of sparteine; these data suggest a subtle change in mechan...
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