硫的

A static headspace GC-MS method was used to detect sulfur in the fumatory Radix Bupleuri,the authentic samples free of sulfur was detected as reference.

运用静态顶空毛细管气相色谱-质谱联用技术进行检测市售柴胡是否经硫黄熏蒸，并从产地采集未经硫黄熏蒸的柴胡作为阴性对照药材与市售柴胡进行比较。

The experimental results showed that when AcO-or other anion s were added to a solution consisting of 1,5-(di-benzaldehyde) dithiocarbohydrazone and Hg2+(at a ratio of 1∶2),a hypsochromic shift took place on the maximum ultraviolet absorption peak of the ligand.

设计合成了配体1，5-二双缩二氨基硫脲及其金属配合物，探讨了不同金属阳离子对1，5-二双缩二氨基硫脲紫外吸收光谱的影响，并将标题化合物应用于阴离子识别。

However before this research it was not known how the glucosinolates and isothiocyanates were influenced by storage and cooking of Brassica vegetables.

而在本研究之前，并不清楚硫代葡萄糖酸盐和异硫氰酸盐会因为甘蓝菜的储存和烹饪而受影响。

Howeer before this research it was not known how the glucosinolates and isothiocyanates were influenced by storage and cooking of Brassica egetables.

而在本研究之前，并不清楚硫代葡萄糖酸盐和异硫氰酸盐会因为甘蓝菜的储存和烹饪而受影响。

The spectrum and electrochemical adsorption behavior and mechanism of diethyl dithiocarbamate on jamesonite were investigated by spectrum analysis and constantpotential step.

采用光谱分析及恒电位阶跃法，研究了乙硫氮在脆硫锑铅矿表面吸附的光谱电化学行为及作用机理。

This paper deals with the formation conditions of black shales based on such analytical techniques as ICP_MS, GC_MS, isotope, organic carbon, element facies and micropetrology.

本文采用GC＿MS、ICP＿MS、形态硫分析、硫同位素、物相分析等方法综合研究了湘西晚震旦世－早寒武世黑色岩系的地球化学特征和形成条件。

Besides, benzyl isothiocyanate and phenethyl isothiocyanate also decreased the levels of mitochondria membrane potential, induced reactive oxygen species and calcium ion production in examined DU-145 cells.

由结果显示，苯甲基异硫氰酸酯和苯乙基异硫氰酸酯确实会造成人类前列腺癌细胞株DU-145细胞周期停滞以及诱导细胞凋亡的产生。

Besides, benzyl isothiocyanate and phenethyl isothiocyanate increased caspase-3 activity. Therefore, benzyl isothiocyanate and phenethyl isothiocyanate induce apoptosis in human prostate cancer DU-145 cells.

由此可知，苯甲基异硫氰酸酯和苯乙基异硫氰酸酯会造成人类前列腺癌细胞株DU-145走向凋亡的命运，值得更进一步研究发展为抗癌药物。

The volatile components were separated and identified using GC-MS technique. RESULTS Seven ingredients were. isolated: 2-ethyl-hexyl-adipate (66.5%), 1-methoxy-4-(1-propenyl)benzene (12.5%), isopropyl isothiocyanate (6%), isobutylisothiocyanate (6%), 6-methyl-5-heptene-2-one (3.5%), benzaldehyde (1.4%), phenylacetaldehyde (0.8%).

结果 分离出7个成分，采用峰面积归一化法确定了各成分的相对含量，分别为66.5%双－2-乙基己基－己二酸、12.5%1-甲氧基－4-（1-丙烯基）苯、6%异硫氰酸异丙酯6%、6%异硫氰酸异丁酯、3.5%6-甲基－5-庚烯－2-酮、1.4%苯甲醛、0.8%苯乙醛。

Most phototropic organisms are autotrophic (i.e.show photoautotrophism);these comprise the green plants,Cyanobacteria,and some photosynthetic bacteria(the purple and green sulfur–bacteria ).

大多数光合成生物是自养的，这包括绿色植物、蓝细菌以及一些光合细菌（紫色硫细菌和绿色硫细菌）。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。