砷

Through taking samples for analysis, the pollution conditions of celery and spinach, which are vulnerable to heavy matal and As pollution, were studied in Jingzhou suburban vegetable bases.

经过取样分析，对荆州市郊区蔬菜基地易受重金属和砷污染的芹菜和菠菜的污染状况进行了研究。

The occupational exposure of mothers, fish intake, and metal concentrations in meconium had affected the infant growth.

研究结果显示母亲的职业暴露、鱼摄取量与胎便金属浓度，特别是汞和砷会影响新生儿生长状况。

Results The contamination of arsenic and mercuric have basic controlled, but the lead and cadmium contamination seriously.

结果 我国食品中砷、汞污染状况已基本得到控制，但铅、镉的污染突出。

As two important metals in the catalogue of endocrine disruptor chemicals, the pollution of mercuric and arsenic compounds in aquatic samples are of great concerned.

作为环境内分泌干扰物"黑名单"中的两种重要的金属物质，汞、砷在环境水体中的污染一直是人们关注的热点。

Based on field geological properties and chemical analysis results,the metallogenetic factors and genesis of high-As coal in southwestern Guizhou Province are disscused in this paper.

根据野外地质特征，结合微量元素和稀土元素分析结果，探讨了黔西南高砷煤的成因。

Heavy metal mercury and metalloid arsenic are listed toxic elements in environmental science.

重金属元素汞和准金属元素砷在环境科学中均在有毒重金属之列。

Metal minerals consist of major pyrrhotite, pentlandite, chacopyrite, violarite and pyrite, with minor millerite, niccolite, magnetite, ilmenite and galena.

矿体的形态产状：似层状矿体、似板状矿体、脉状矿体、纯硫化物脉状矿体、上悬透镜状矿体、主要金属矿物有磁黄铁矿、镍黄铁矿、黄铜矿、紫硫镍矿、黄铁矿；次要矿物：针镍矿、红砷镍矿、磁铁矿、钛铁矿、方铅矿等。

He performed pioneer research concerning the effects of toxic substances on the heart and blood's circulatory system. He performed important experiments concerning the toxicity of water hemlock, arsenic, monkshood, et al. His most important written work in this field was the 1679 Historia cicutae aquaticae.

他演出的先驱研究有关的影响，有毒物质对心脏和血液循环系统他表演的重要实验，有关毒性的水铁杉，砷，附子，等其最重要的写在这一领域的工作是为1679 沿革cicutae aquaticae 。

Biomethylation is the most common process involved in the metabolism of arsenicals, producing mono-, di-, and tri-methyl arsenic species.

其中，砷的原始摄入形态、代谢产物及中间产物由于不同的物理化学性质，体现了不同的毒性。

Phosphine(PH3)is an important electronic specific gas which is mainly used in fields of N-type semiconductor doping,ion implement and chemical vapor deposition etc.

磷化氢在电子工业中主要用作外延硅半导体的一种n型掺杂剂，在化学气相沉积和离子注入中被用作一种磷源，在发光二极管用磷砷化镓膜的生产中也占有重要地位。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐