查询词典 yellow arsenic

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。

Direct cyanidation will be taken and roasting process will not be necessary after removal of arsenic.

难浸金矿石和精矿用常规氰化法直接提取时，不能有效地回收金，因此，必须经过预处理。

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。

The inventive has excellent activity of diolefin hydrogenation and selectivity, sulfur resistance and arsenic resistence, extremely excellent pyrolysis gasoline selective hydrogenation performance, can meet the process requirements of pyrolysis gasoline selective hydrogenation.

本发明的催化剂具有优异的双烯加氢活性和选择性，以及抗硫和抗砷能力，具有十分优异的裂解汽油选择性加氢性能，能够适应裂解汽油选择性加氢的工艺要求。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48