查询词典 selenium

Sequential chemical extraction technology is one of the practical tools for selenium speciation analysis.

硒的连续化学提取技术是硒形态研究的一个重要手段。

As the main task of gene is to reproduce, the gene keeps most selenium in a spermatic tube to be used for reproduction.

基因的主要任务就是繁殖，它让绝大多数硒存储在生殖系统中，在繁殖时再派上用场。

On the other side, Selenium is required for normal testicular development and spermatogenesis in rats.

另有研究指出重金属会造成脂质的过氧化作用，且与精液的异常有所关联。

Objective To observe effect of selenium on the protein P16 expression in the testicle spermatogonium of rat borne with colon cancer induced by azoxymethane.

目的观察硒对氧化偶氮甲烷所致结肠癌大鼠睾丸精原细胞P16蛋白表达的影响。

Keywords Selenium;Azoxymethane;Spermatogonium;Protein p16;Colon cancer;Rats

硒； 氧化偶氮甲烷；精原细胞； P16蛋白；结肠癌；大鼠

Firstly, the oxidative carbonylation of aniline with thiols mediated by stoichiometric selenium has been investigated.

首先考察了在计量硒作用下苯胺和硫醇的氧化羰基化反应。

Results showed LC_(50) of divalent mercury to swordtail fish were 0.84, 1.35, 1.71mg/L in 24h, 48h and 96h respectively, while LC_(50) of tetravalent selenium to swordtail fish were 6.64, 12.59, 17.91mg/L respectively.

结果表明：Hg+2对剑尾鱼的 24、48、96 h的 LC50分别为 1.71、1.35、0.84mg/L；Se+4对剑尾鱼24、48、96 h的Lc50分别为17.91、12.59、6.64 mg/L；在浓度和毒性比都为1∶1的条件下，24 h都表现联合作用，而48 h、96 h则为拮抗作用。

Objective to study the Synergic effect of selenium and cadmium on human lung adenocarcinoma cell line H1299 in nude mice.

文章摘要：目的研究微量元素硒镉对荷人肺腺癌细胞裸鼠H1299细胞的防同影响作用。

Finally, the microstructure and the photovoltaic property of the boron-doped DLC and selenium-doped cadmium telluride films were also studied in this thesis.

最后，对掺硼DLC薄膜和掺硒碲化镉薄膜的微结构与光伏性质进行了实验研究。

Structural stability for selenium and tellurium nanowires is studied by combining first-principles method and empirical approach.

图1晶体Se的结构示意图；晶体Se的结构示意图；Se原子链之间距离与能量的变化关系1。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。