查询词典 selenium

Ultraviolet spectrophotometry was used to determine content of selenium in punica granatum with o-diaminobenzene hydrochloride as apparent color agent under 335nm detection wavelength.

采用紫外分光光度法，以邻苯二胺盐酸盐做显色剂，检测波长为335 nm，测定石榴皮中微量硒元素的含量。

It improved the quality of grapy fruits: a very small amount of nanoparticles increased the concentration of selenium for about 5 times, the concentration of sugar increased by about 30%, and that of calcium increased by about 40%, but the concentration of acid decreased by 30%, compared with contrast teams.

淀粉－硒纳米颗粒作为植物营养调节剂应用于巨峰葡萄植株，成熟葡萄果实中的硒含量比对照提高了5倍，糖份提高了30%，钙含量提高了40%，而酸含量则降低了30%，大大改善了葡萄的风味。

He sample is dissolved in a mixture of nitric acid and potassium chlorate.The determinations of Te,Bi,Fe and Cu are performed on a flame atomic absorption spectrophotometer.The selenium is determined photormetrically with 3,3'-diaminobenzidine,and the sulfur is determined gravimetrically as barium sulfate,precipitated frorm an EDTA-citric acid medium.

辉碲铋矿物经HNO＿3－KCIO＿3溶解，用火焰原子吸收法或乙二胺四乙酸二钠络合滴定法测定Bi，火焰原子吸收法测定Te、Fe、Cu，3，3＇二氨基联苯胺光度法测定Se，硫酸钡重量法测定S。

The design, synthesis, characterization and self-assembled monolayers of heterocyclic aromatic selenium compounds were studied in this project.

开展硒芳香杂环化合物的设计、合成、表征和自组装单分子膜研究工作。

Objective To study the effect of lead and selenium on the growth and survival of primary cultured hippocampal neurons.

目的 观察铅、硒对原代培养的海马神经元生长及存活的，硒对铅的神经细胞生长抑制的拮抗作用。

The method of Hydrogenide generate-atom fluorescence spectrum is used to determinate the trace selenium elements content in electrolytic manganese.

运用条件试验，精密度实验及回收率测定对氢化物发生－原子荧光光谱法测定低硒电解锰中微量硒进行试验和研究。

We should set up the quick and accurate method of Hydrogenide generate-atom fluorescence spectrum for the determination of the trace Selenium elements content in Electrolytic Manganese, advance exit of Electrolytic Manganese.

建立氢化物发生－原子荧光光谱法测定低硒电解锰中微量硒的快速、准确的检测方法，促进低硒电解锰的出口。

The source and composition of selenium residue from hydrometallurgical treatment of copper anode slime is introduced.

介绍了铜阳极泥湿法处理过程中硒渣的来源及其成分，并且通过理论分析和试验证明采取真空蒸馏可以回收硒渣中的硒，所得到的粗硒含硒量大于96%。

Objective To research the effects of iodine excess on serum lipid of rats with experiment autoimmune thyroiditis and the interventive effect of different concentrations of selenium.

目的探讨碘过量对实验性自身免疫性甲状腺炎(Experiment autoimmune thyroiditis，EAT)大鼠血脂的影响及不同硒水平的干预作用。

not only laser printer's selenium drums make higher relative print cost, but also used ones are irresoluble high technology waste.

激光打印机硒鼓不仅相对打印成本过高，同时使用过的旧硒鼓还是永远不可分解的高科技垃圾。

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。