砷

Arsenic is added to the glaze, which gives it the characteristic famille rose color with its mellow quality.

由于在彩料中加入砷元素作乳浊剂给人以粉嫩温润之感。

This article introduces the designing principles and characters of laser range finders of pulse-phase type,which is developed by application of GaAs-As semiconductor lasers,and ananlyses the experimental results.

本文介绍了应用砷化镓半导体激光器研制的脉冲相位式激光测距仪的设计原理和特点，并对实验结果进行了科学的分析。

The system is able to automatically test twelve parameters of the three main production targets in the process of flour milling and is able to periodically come up with tehse parameters by means of a Potassium arsenide indicator, a plasma indicator or a printer.

本文介绍了一个用于面粉厂主要生产指标的微机检测系统，该系统能自动检测面粉生产过程中的三项主要指标的十二个参数，定时以砷化钾显示器显示，等离子体显示和打印机三种方式输出，便于分析生产情况，指导生产。

Keywords Heavily As- doped silicon , Oxygen precipitation, Defects, Intrinsic gettering

重掺砷硅单晶；氧沉淀；缺陷；内吸除

A new technology of leaching fine grain disseminated gold concentrate containing arsenic and sulphur was studied in this paper.

某难处理金精矿浸金新工艺试验研究邱冠周毛暗章唐谟堂李德良徐竞王淀佑研究了高砷、硫细粒浸染金精矿浸金新工艺。

They are supergene minerals occurring in oxidized zones of uranium deposits and assuming green-yellow colors. This kind of minerals can be used as one of the mineral indicators in search for uranium deposits. They are mainly composed of ~(3-) and ~(2+), in which As and U are known as poisonous and harmful elements causing environmental pollution.

铀酰砷酸盐矿物是主要产出于铀矿床氧化带中比较特征的黄绿色表生矿物，是寻找原生铀矿床的重要矿物学标志，化学组成主要是[AsO4]^3-和[UO2]^2 ，其中As和U均是对环境造成极大危害的有毒或放射性有害元素。

The transparent iron oxide yellow was prepared by using the yellow precipitates after separating arsenic and iron from the wastewater.

对生物氧化提金废液进行砷、铁分离，得到铁沉淀物用于制备透明铁黄。

Pregnant women exposed to lead, benzene, toluene, xylene, ethylene chloroprene, mercury and mercury compounds, arsenic, cyanide, nitrogen oxides, carbon monoxide, chlorine, carbon disulfide, styrene, ethylene oxide, aniline and formaldehyde and other chemicals prone to pregnancy-induced hypertension syndrome, appears lower extremity edema, blood pressure, urine protein appeared, and there will be a serious headache, vertigo, chest tightness and other symptoms, or even convulsions.

妇女怀孕后接触铅、苯、甲苯、二甲苯、氯丁乙烯、汞和汞的化合物、砷、氰化物、氮氧化物、一氧化碳、氯气、二硫化碳、苯乙烯、环氧乙烷、苯胺和甲醛等化学物质容易患妊娠高血压综合症，出现下肢浮肿、血压增高、尿中出现蛋白，严重时会出现头痛、眼花、胸闷等症状，甚至发生抽搐。

This research will enrich and expand the environmental geochemical research contents of mid-upper reaches of yellow river, and has theoretic and practical meaning on Inner Mongolian water sources protection and reasonable utilization.

本文把黄河内蒙古段干流水体作为重点研究区段，采用三因子分别评定的方法，将上覆水，悬浮物及沉积物作为有机整体，对黄河内蒙古段水、悬浮物、底质中砷和汞的总含量和各形态含量进行了综合评价。

This environmentally friendly pretreatment process was under mild condition, and, compared with conventional methods, it can shorten oxidation time. The study provides a practical and effective pretreatment method for the exploitation of similar high-sulfur and high-arsenic RGC.

该预处理方法氧化条件温和，对环境友好，氧化时间短，为同类高硫高砷难选金精矿的开发利用提供了一种简单有效的预处理方法。

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。