砷

Polarograph/Voltammetric methods for the determination of As and As were investigated.

对测砷（包括As(上标 3+)和As(上标 5+)）的几种伏安极谱法进行对比。

This paper discusses the analysis of non-metal elements by following ways:Determination of P,S and Si by IC P-AES;Determination of Cl,P and S by IC ;Determination of trace As by polarograph and HG-AFS;Determination of Se by IC P-AES and fluorometry;Determination of F,Cl and I by GB.

本文论述了川附子非金属元素的分析：用ICP—AES法测定S、P和Si；离子色谱法测定Cl、S、P；极谱法和HG-AFS法测定痕量砷；ICP-AES和荧光法测定硒；GB法测定氯、氟和碘。

was simple and fast, it with high intelligent degree, good stability and nice linearity scope, it was far-ranging applied in detection of Arsenic in the poultice cosmetic.

方法线性范围宽，简便快速，稳定性好，灵敏度高，可广泛应用于膏类化妆品中砷的测定。

Choosing appropriate pre-digestion method to cosmetic, detecting Arsenic in poultice cosmetic and foodstuff by hydride atomic fluorescence spectrometry was applied.

选择适当的化妆品前处理方法，应用氢化物发生原子荧光光谱法对膏类化妆品中的砷进行测定。

Hydride atomic fluorescence spectrometry; arsenic; poultice cosmetic

原子荧光光谱法；砷；膏类化妆品

This process offers comparable performance to GaAs HBTs with the added advantages of mature and high producible Silicon wafer processing.

这一过程提供了性能与砷化镓异质结双极晶体管的成熟和高硅晶片加工可生产添加的优势。

The effects of different concentrations of arsenic on spore germination and rhizoid and prothallium growth of Pteris vittata under aseptic condition were studied.

研究无菌条件下不同浓度砷对蜈蚣草的孢子萌发、假根和原叶体生长发育的影响。

And arsenic contents of pyrite are related to origin or genetic type of pyrite.

含砷黄铁矿中的砷含量与黄铁矿的成因或类型有关。

Many TCMs contain high amounts of vermilion and realgar, and can cause mercury and arsenic poisoning.

许多中药含有高含量的朱砂和雄黄，能够导致汞和砷中毒。

Objective To study the pharmacokinetics of arsenic from Realgar in rats and tissue distribution after single dose and multiple dose of oral administration.

目的 研究雄黄中的砷在大鼠体内的药物动力学和组织分布。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。