نتایج جستجو برای: cs2

تعداد نتایج: 852  

Journal: :Alcohol 2011
Ricardo Marcos Pautassi Mallory Myers Linda Patia Spear Juan Carlos Molina Norman E Spear

Alcohol abuse and dependence are considered public health problems, with an etiological onset often occurring during late childhood and adolescence, and understanding age-related differences in ethanol sensitivity is important. Low to moderate ethanol doses (0.5 and 2.0 g/kg, intragastrically [i.g.]) induce single-trial, appetitive second-order place conditioning (SOC) in adolescent, but not ad...

2010
Claus Mühle Jürgen Nuss Robert E. Dinnebier Martin Jansen

Crystal structures of the cyanoplatinates A2[Pt(CN)4X2] (A = Rb, Cs; X = Cl, Br, I) have been determined by single-crystal analysis and X-ray powder diffraction. The compounds were synthesized by metathesis from Ba[Pt(CN)4] · 4 H2O and alkali metal sulfates, and by subsequent oxidation with the respective halogens. The crystals were grown by slowly concentrating respective aqueous solutions. Th...

2017
T. Kobayashi T. Hattori A. Terasaki K. Kurokawa

2014 Three types of short-time measurements using temporally incoherent light instead of short pulses are described. Electronic dephasing in a polydiacetylene film, vibrational dephasing in dimethylsulfoxide liquid, and relaxation of optical Kerr effect in CS2 and nitrobenzene were observed with femtosecond time resolution. Revue Phys. Appl. 22 (1987) -1785 DÉCEMBRE 1987, PAGE 1773

Journal: :The Journal of chemical physics 2014
M Isabel Cabaço Marcel Besnard Fabián Vaca Chávez Noël Pinaud Pedro J Sebastião João A P Coutinho Yann Danten

NMR spectroscopy ((1)H, (13)C, (15)N) shows that carbon disulfide reacts spontaneously with 1-butyl-1-methylpyrrolidinium acetate ([BmPyrro][Ac]) in the liquid phase. It is found that the acetate anions play an important role in conditioning chemical reactions with CS2 leading, via coupled complex reactions, to the degradation of this molecule to form thioacetate anion (CH3COS(-)), CO2, OCS, an...

Journal: :Universitas scientiarum 2021

The conventional pretreatments used during the valorization of paper waste in renewable energies are expensive, long, slow, require high temperatures and particularly not eco-friendly. However, application microbial cultures with cellulolytic capabilities becomes an attractive low-cost strategy. Therefore, aim this study was to screen efficient culture its evaluation as a starter hydrolysis pro...

2011
David A. Blank Laura J. Kaufman Graham R. Fleming

We have successfully used phase matching considerations to provide significant discrimination against cascaded lower-order responses and measured the direct fifth-order response from the intermolecular motions in liquid CS2. Here we report the measured polarized and magic angle responses and discuss comparisons

2015
Isobel Anne Williams Leonora Wilkinson Patricia Limousin Marjan Jahanshahi

BACKGROUND Deep brain stimulation of the subthalamic nucleus (STN DBS) ameliorates the motor symptoms of Parkinson's disease (PD). However, some aspects of executive control are impaired with STN DBS. OBJECTIVE We tested the prediction that (i) STN DBS interferes with switching from automatic to controlled processing during fast-paced random number generation (RNG) (ii) STN DBS-induced cognit...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 1994
I Bucsi R Aniszfeld T Shamma G K Prakash G A Olah

A purification procedure for C60 from the fullerene extract has been developed using the differential complexation of C60 and C70 with AlCl3 (or its conjugate acid) in CS2 solution. In addition to pure C60 (>99.8%), the procedure also provides C70-enriched fullerene mixture.

Journal: :Dalton transactions 2014
Addison N Desnoyer Alexander Dauth Brian O Patrick Jennifer A Love

A 2-rhodaoxetane was found to react with unsaturated electrophiles, such as highly electron-deficient acetylene dicarboxylates, CS2 and various aldehydes, to form a series of six-membered metallacycles. These metallacycles were characterized by (1)H, (13)C and 2D NMR spectroscopic techniques, as well as HRMS and, for one complex, XRD. In some cases, the insertions were found to be reversible.

Journal: :Chemical communications 2007
Hong-Xi Li Hua-Zhou Wu Wen-Hua Zhang Zhi-Gang Ren Yong Zhang Jian-Ping Lang

Dissolution of a mononuclear complex [Zn(dmpzdtc)2] in BrCH2CH2Br or DMF saturated with water followed by CS2 elimination led to the formation of two unique high-nuclearity metallamacrocyclic complexes, [Zn4(micro-dmpz)6(micro-OH)2]2 and [Zn4(micro-dmpz)6(micro-OH)2]4.

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