砷

An import and export tax Chapter 25 desalination, cement and all other non-metallic minerals, coal, natural gas, paraffin, asphalt, silicon, arsenic, stone material, non-ferrous metals and scrap and other metal ceramics; 25 kinds of pesticides and intermediates, some finished leather, lead-acid batteries, mercury oxide batteries, etc.; fine goat wool, charcoal, crosstie, cork products, some primary wood products such as the abolition of export tax rebate policy.

一个进口和出口税第25章海水淡化，水泥及其他非金属矿物，煤炭，天然气，石蜡，沥青，硅，砷，石材，有色金属及废料等金属陶瓷，25种农药及中间体，部分成品革，铅酸蓄电池，氧化汞电池等；细山羊毛，木炭，枕木，软木制品，部分木材初级制品如出口退税政策取消。

In this paper,the study on making cupric sulfate with high arsenic bearing copper concentrate and the recovery of gold and silver are introduced.

介绍了以高砷铜精矿为原料，进行制取硫酸铜并回收其中金银的研究。

The more the arsenic removed by biooxidation, the more the gold extracted by cyanidation.

细菌脱砷后新生成的α-S°会使氰化钠用量增加，用碱液或石灰水预处理则可降低氰化钠用量。

A combined process of beneficiation and hydrometallurgy for the arsenic-containing gold ores at ambient temperature and pressure was presented,including floatation fine grinding,intensified alkaline leaching pretreatment and cyanidation.

对固体废物的处理有物理、化学和生物的多种方法，综合比较了各种方法后，本文提出应用包括化学和物理反应的水泥固化方法对含砷污泥进行处理。

A new process for treatment of high-sulphur and high-arsenic gold concentrate was studied, with included the roasting at lower temperature with the addition of alkali fusion agent and the cyanidation leaching with the addition of active additive.

摘 要：研究富硫高砷金精矿在加入碱熔剂经低温焙烧预处理后，再加活性添加剂条件下的氰化工艺，结果表明，金的氰化浸出率从直接氰化或沸腾炉焙烧后的焙砂氰化的30%～50%提高到87%～93%，浸出速度也有很大提高。

Traditional decking may use pressure-treated pine, which until this year was usually laced with toxic substances like arsenic.

传统的甲板可以使用压力处理松，直到今年股价通常与有毒物质有联系，如砷。

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。

There are less research about the arsenic desorption fromthe loaded adsorbent, and less attention about its regeneration.

较少的研究关注砷的脱附过程，及吸附剂的再生过程。

In HgCdTe with low dislocation density, the main component is a Guassian like distribution and can be described by the Fick's law with a constant diffusion coefficient with a limited source as the boundary condition.

在缺陷密度比较低的碲镉汞材料中，砷扩散的主体符合恒定扩散系数的有限源扩散模型，呈现出浓度随深度的高斯分布。

For digital applications, the InGaAs channel with high indium concentration is required for better performance and higher transconductance.

在数位应用时，高铟含量的砷化铟镓通道材料是必须的，使元件能具有好的数位特性表现以及较高速的转导特性。

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。