نتایج جستجو برای: cs2

تعداد نتایج: 852  

Journal: :Brazilian oral research 2010
Rodrigo Generoso Elaine Cristina Sadoco Mônica Costa Armond Gustavo Hauber Gameiro

The aim of this study was to compare the mandibular size in boys and girls with Class I and Class II skeletal patterns, taking into consideration the bone maturation stage, as defined by the cervical vertebrae maturation. One hundred and sixty cephalometric radiographs were obtained from subjects (aged between 7 and 12 years) with Class I or Class II skeletal patterns, according to the ANB angl...

2000
Jonathan G. Breitzer Thomas B. Rauchfuss

The optical properties of the dmit ion (dmits4,5-dimercapto-1,3-dithiol-2-thiolate) have been characterized under a range of conditions. The oxidatively sensitive anion is highly solvatochromic: lmaxs504 (H2O), 514 (MeOH), 568 (MeCN), and 632 nm (DMF). With a shift in absorption maximum of 4000 cm (DMF versus H2O), dmit 2y is possibly the most solvatochromic species known. The dianion is monopr...

2015
Li GUO Chen LUO Jingjing FAN Zhiguo HOU Xiaoming JI Feng CHEN Baoli ZHU Chunhui NI

As crucial small regulatory molecules, serum microRNAs (miRNAs) have been widely identified as potential noninvasive biomarkers. To survey and identify serum miRNAs associated with workers who had experienced injury to their nerve system from carbon disulfide (CS2), we profiled abnormally expressed miRNAs using the microarray technique and further performed qRT-PCR validation in case and contro...

2002
X. Xu H. G. Bingemer

Turbulent fluxes of carbonyl sulfide (COS) and carbon disulfide (CS2) were measured over a spruce forest in Central Germany using the relaxed eddy accumulation (REA) technique. A REA sampler was developed and validated using simultaneous measurements of CO2 fluxes by REA and by eddy correlation. REA measurements were conducted during six campaigns covering spring, summer, and fall between 1997 ...

Journal: :Analytical chemistry 2005
Qiang Zhang Alec M Wodtke

Cocrystallization between analyte and matrix is required by matrix-assisted laser desorption/ionization and can represent a significant limitation of the technique. A molecular beam expansion, mass spectrometric method has been developed to explore the possibility of using pure solvents as matrix to avoid cocrystallization. Two kinds of solvent, liquid CS2 and liquid or supercritical CO2, have ...

Journal: :Toxicologic pathology 2000
R C Sills W M Valentine V Moser D G Graham D L Morgan

Female C57BL6 mice were exposed to 0 or 800 ppm carbon disulfide (CS2), 6 h/d, 5 d/wk for 20 weeks. The neurologic function of all mice was assessed once at the end of exposures using a functional observational battery. General health effects included a decrease in body weight gain, piloerection, hunched body posture, and ptosis. Treatment-related effects included altered gait (uncoordinated pl...

Journal: :Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy 2002
Cheng Zhou Daiqian Xie Rongqing Chen Guosen Yan Hua Guo Vivian Tyng Michael E Kellman

We report a refined potential energy function for the ground electronic state of CS2 based on a least-squares fitting to several low-lying experimental vibrational frequencies. Energy levels up to 20,000 cm(-1) have been obtained on this empirical potential using the Lanczos algorithm and potential optimized discrete variable representation. Among them, 329 levels below 10,000 cm(-1) are assign...

Journal: :Molecules 2017
Ana Mariel Torres-Contreras Vimal Nair Luis Cisneros-Zevallos Daniel A Jacobo-Velázquez

Broccoli contains bioactive molecules and thus its consumption is related with the prevention of chronic and degenerative diseases. The application of wounding stress to horticultural crops is a common practice, since it is the basis for the fresh-cut produce industry. In this study, the effect of four different cutting styles (CSs) (florets (CS1), florets cut into two even pieces (CS2), floret...

Journal: :Journal of bacteriology 2013
Marjan J Smeulders Arjan Pol Hanka Venselaar Thomas R M Barends John Hermans Mike S M Jetten Huub J M Op den Camp

Carbon disulfide (CS(2)) and carbonyl sulfide (COS) are important in the global sulfur cycle, and CS(2) is used as a solvent in the viscose industry. These compounds can be converted by sulfur-oxidizing bacteria, such as Acidithiobacillus thiooxidans species, to carbon dioxide (CO(2)) and hydrogen sulfide (H2S), a property used in industrial biofiltration of CS(2)-polluted airstreams. We report...

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