砷的

Arsenic has been a common additive in factory chicken feed for nearly 50 years.

砷 在近50年来已成为鸡饲料工厂中的一个普遍的添加剂。

The ore-forming material sources of the Baiyangping copper-cobalt-silver polymetallic deposit have been studied by the characteristics of isotopic compositions of S, Pb, C, O, and H, and the Co/Ni ratio of cobaltite.

中文摘要：利用白秧坪矿床的S、Pb、C、O、H同位素组成特征和辉砷钴矿的Co/Ni比值特征，对成矿物质来源进行了分析。

Objective To study the effects of chronic arsenic poisoning on the change of the dentate gyrus ultrastructure and learning and memory in mice.

目的 观察慢性砷中毒对小鼠海马齿状回超微结构的改变及小鼠学习记忆的影响。

A conclusion is drawn that the earthworm is a kind of good bioindicator for roxarsone contamination in soil.

砷是动物体必需的一种微量元素，具有多种重要的生理功能和药理作用。

Using the extended relativistic multi-configuration Dirac-Fock theory and the general-purpose relativistic atomic structure program 2(GRASP2) with quantum electrodynamical effect and breit correction, we have calculated the energy level structures, transition wavelengths, transition probabilities, oscillator strengths, energy level lifetimes, level widths and ionic average lifetimes of As-like Au~(46+), Ge-like Au~(47+) and Fe-like Au~(53+).

根据扩展的全相对论多组态Dirac-Foek理论，采用"多功能相对论原子结构程序GRASP~2(General-Purpose Relativistic Atomic Structure Program 2，1992)"，考虑量子电动力学效应和Breit修正，计算了激光金等离子体中类砷金Au~(46+)，类锗金Au~(47+)和类铁金Au~(53+)的能级结构、跃迁波长、跃迁几率、振子强度、能级寿命、能级宽度和离子平均寿命。

We have performed magnetotransport measurements of the electron g-factor in a two-dimensional GaAs electron gas.

我们进行了对於二维砷化镓电子气之电子的g-系数的磁传输量测。

The treatment of alkaline arsenic-containing wastewater is a significant environmental problem in nonferrous smelter which should be resolved emergently nowadays.

碱性含砷废水的达标排放是当今有色冶金工艺中急待解决的重大环境问题。

Factor analysis is applied to 3,061 samples of the surface soil of Chengdu basin after a progress of regression analysis, in which arsenic is used as dependent variable while other elements are used as independent variables. Elements with higher factor loading are selected to compose characteristic groups.

对成都盆地3061个浅层土壤样品以元素为变量进行砷回归分析，在回归模型的基础上进行R型因子分析，并选取因子载荷较大的元素作为特征元素组合。

The constant current coulometry as a primary method is recognized in international. Based on Faraday's law of electrolysis, it has been successfully used to determine purity of arsenic trioxide. The measuring results depend directly on the reliability of measuring physical quantities and fundamental constants expressed in SI units, and do not need a reference material for comparison.

高精密库仑滴定法是国际上公认的基准测量方法，该方法根据法拉第电解定律，通过质量、电阻、电动势、时间等基本物理量及法拉第常数来进行三氧化二砷纯度的测定，直接溯源到国际SI单位，不需要用标准物质进行比对。

Cases are treated by As2O3 as treatment group and 24 cases are treated by western medicine as control group , then observe the change of the clinical syndrom , peripheral hemogram and myelogram.

治疗组36例，以亚砷酸注射液(10mg)治疗；对照组24例，以西药化疗治疗，观察两组患者疗前和疗后的临床症状、外周血像及骨髓像的变化。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。