查询词典 sulfureted hydrogen

XLSulfur columns is extensively deactivated for analysis of low ppbv levels of hydrogen sulfide and methyl mercaptan.

现在分析ppbV级含硫混合物可以使用特殊处理过的硫钝化柱管来分析分离。

During mercerization, ramie fiber is swelled, and consequently the distance of cellulose molecules increases, and the hydrogen-bond between molecules is weakened, and even broken.

在丝光，苎麻纤维的膨胀，因此，纤维素分子的距离增加，并的氢键分子之间被削弱，甚至打破。

Methods: Mesityl oxide in the air was sampled by active carbon tube and desorbed by the solvent of carbon disulfide which included 1% methanol, then separated by FFAP capillary column, and finally detected by hydrogen flame detector. The experimental study was conducted according to the requirements of Regulation of studies on the determination of toxicants in the air of workplace.

工作场所空气用活性炭管采集，经1%甲醇的二硫化碳溶液解吸，FFAP毛细色谱柱分离，氢火焰离子化检测器检测，按照《工作场所空气中有毒物质检测方法研制规范》的要求进行方法研究。

The fracture of piston rod of new hydrogen compression pump is studied by metallography and electron probe in this paper.

用金相显微镜和电子探针对新氢压缩机活塞杆断口进行了分析。

The study suggests that the carboxyl of the template is the function group responsible for the formation of complementary interacting site in the polymer P1, and the double hydrogen bonds formed between the carboxyl groups of ferrocenecarboxylic acid and methacrylic acid are the main interactions in the recognition process.

研究还表明，FCA的羧基是在聚合物的孔穴中产生识别位点的功能基，模板分子上的羧基与MAA的羧基形成双重氢键作用是分子识别的主要作用力。

Main products include: 1,3-dimethyl-2-imidazolone, also named dimethyl-ethenylurea, 1,3-Dimethyl-2-imidazolone、1,3- Dimethyl-3,4,5,6- four hydrogen-2-pyrimidone, 2-imid-azolidinone、methane acid amine,、pyridylmethanol、pyridylaldehyde、50% methane acid,etc series products.

公司主营：1，3-二甲基-2-咪唑啉酮，又称二甲基乙烯脲，1，3-Dimethyl-2-imidazolinone、1，3-二甲基-3，4，5，6-四氢-2-嘧啶酮、 2-咪唑啉酮、甲酸胺、吡啶甲醇、吡啶甲醛、50%甲酸等系列产品。

Main products include: 3-Dimethyl-2-imidazolidinone, also named dimethyl-ethenylurea, 3-Dimethyl-2-imidazolidinone、1,3- Dimethyl-3,4,5,6- four hydrogen-2-pyrimidone, 2-imid-azolidinone、methane acid amine,、pyridylmethanol、pyridylaldehyde、50% methane acid,etc series products.

公司主营：1，3-二甲基-2-咪唑啉酮，又称二甲基乙烯脲， 1， 3-Dimethyl-2-imidazolidinone、1，3-二甲基-3，4，5，6-四氢-2-嘧啶酮、 2-咪唑啉酮、甲酸胺、吡啶甲醇、吡啶甲醛、50%甲酸等系列产品。

While erthrocyte, hemoglobin and Hela cell were under oxidative damage induced by the hydrogen peroxide (H2O2) or tert-butyl hydroperoxide on different concentrations of dihydromyricetin, hemolysis rate of erythrocyte and methemoglobin converted from hemoglobin was estimated by ultraviolet-visible absorption spectroscopy. Whereas mmalondialdehyde from erythrocyte was measured by thiobarbituric acid colorimetry, the cellular viability of Hela cell was examined using MTT 3-(4, 5-dimethylthiazol-2-yl-2, 5-diphenyl tetrazolium bromide assay.

在不同的二氢杨梅素浓度下，用过氧化氢或过氧化特丁烷对红细胞、血红蛋白和Hela细胞进行氧化伤害，以紫外－可见光分光光度法检测红细胞溶血率和由正常血红蛋白生成的高铁血红蛋白，硫代巴比妥酸法测定红细胞中的丙二醛，MTT法检测Hela细胞的活力。

Simulation of Loop domain near active site was carried out with the PROLOOP programm. The initial model was energy-minimized by the 500 steps of steepest descents method and 500 steps of conjugate gradients . The Vanderwal contacts were eliminated, and the energy of the static electric interation and hydrogen binding were adjusted

优化工作用PROLOOP程序，将活性中心附近LOOP前后的有关残基构象进行最佳拟合，并采用GROMOS软件包中的能量优化程序，作500步最陡速降法及500步共扼梯度法进行优化，彻底消除范德华半径重叠，并进行原子间静电和氢键作用的优化调整，最终得到UK-B链最优结构。

The ratio of reaction between hydrogen peroxide and sodium sulfide, the influence of catalyst and other factors were investigated in detail. At the same time the method of protein recycling and elimination of lime pollution were also studied to obtain the ideal conditions.

实验中还详细研究了在去除硫化物时双氧水与硫化钠的反应产物和反应比例，以及催化剂和其它因素对反应的影响，探索了回收蛋白质时的条件和消除石灰污染的方法，得出了较为理想的操作条件。

A solid basis of evidence underpinned her theory.

有利的证据基础支持她的理论。

Apoptosis was detected in both of the cell lines in the absence of folacin, but no necrosis was observed in this experiment.

实验组和对照组中，均未观察到细胞坏死，每种细胞均可看到凋亡细胞；HBL-100在实验组的P53突变型蛋白面积比对照组大（P.05），实验组P53mRNA阳性面积比对照组的大（P.05）。