查询词典 arsenic-fast

2 The analysis step by 25.0mL sample lixivium, moved in the direction of arsenic in the bottle, plus 10 ml of hydrochloric acid and 10 ml of potassium iodide solution and 5 drop acid stannochlor solution, shake the place 10min, together with 2 g of arsenic-free zinc metal, immediately mounted a good lead acetate paper turns red cotton and mercury bromide from log that arsenic tube placed in the 25-38, f μh of the dark side, remove the test strip and standard mercury bromide a color not deeper than standard.

7.2 分析步骤取25.0mL样品浸泡液，移入测砷瓶中，加5mL盐酸、5mL碘化钾溶液及5滴酸性氯化亚锡溶液，摇匀后放置10min，加2g无砷金属锌，立即将已装好乙酸铅棉花及溴化汞试纸的测砷管装上，放置于25～30℃的暗处1h，取出溴化汞试纸和标准比较，其色斑不得深于标准。

The investigation results indicate that:(1) During the process of waste acid, based on the proposed result of air oxidation flocculent precipitation, arsenic in waste acid can be transformed to high-class white arsenic or arsenic acid copper product.

在前人研究结果的基础上，根据含砷污酸与含砷废渣中主要元素存在形态和性质提出了用空气氧化絮凝沉淀法从污酸制备砷酸铜和白砷新处理工艺；提出了铟生产过程中选择性硫化沉淀除砷，提出了含砷废渣对土壤影响的治理方案。

By analyzing principle, the investigating project was primarily determined. Then experiments of leaching with hot water, precipitation arsenic by lime milk, solution arsenic by sulfuric acid, reduction, cooling and crystalling white arsenic have been carried out and the optimum conditions of every step have been obtained.

在分析基本原理的基础上，初步确定了研究方案，按照方案分别进行了热水浸出、石灰乳沉砷、硫酸溶砷、还原、冷却结晶白砷等试验，得到了各个工序的最佳工艺条件。

The most common methods of removing arsenic from aqueous process streams are by precipitation as arsenic sulfide, calcium arsenate, or ferric arsenate, but it has been suitable for direct disposal to uncontained sites as they will produce leachate containing arsenic.

从水中去除砷是最常用的做法，工艺流程是通过沉淀类似硫化砷、砷酸钙或者砷酸铁，由于会产生含砷的沥出夜，因此这种方法适合用于不限制排放场所的直接处置。

In this article, the author analyzed arsenic and selenium for drinking water at Xi'an peripheral locality 11 sampling point and found that the arsenic content in drinking water is lower in south and east of Xi'an. In Hu county area west of Xi'an arsenic content in drin king water is higher than other areas obviously and has achieved 0.047mg/L, approaching the mild pollution standard.

摘 要：通过对西安周边地区11个采样点饮用水中砷含量的调查分析，结果表明西安南部秦岭地区和西安东部的饮用水中砷含量较低，西安西部户县地区砷的含量明显高于其他地区，达到了0.047 mg/L，已基本上接近了轻度污染的标准。

Oxidation of arsenic in solution to arsenic, and reduction of arsenic to arsenic have been investigated as part of the overall chemistry relating to hydrometallurgy.

3价砷的氧化物在溶液中变成＋5价砷，并且＋5价砷的减少变成＋3价砷也已经作为所有有关湿法冶金法的化学作用的一部分被研究。

Arsenic could be detected in the main organs and tissues of rats after administration of a single dose. The arsenic was most accumulated in the spleen, hair, lung and suprarenal gland organs, and kidney, heart, liver, bladder and skin came next. Brain, testis, muscle and tibia had the least amount of arsenic. After 15 continuous days of administration, arsenic contents in kidney and bladder tissues increased appreciably besides suprarenal gland, lung, hair and spleen.

单次给药后，在大鼠各主要脏器、组织中均可检测到砷，以脾、毛发、肺和肾上腺中分布较多，肾、心、肝、膀胱、皮肤次之；大脑、睾丸、肌肉、胫骨中分布较少，多次给药后砷除了同样在肾上腺、肺、毛发和脾分布较多外，在肾和膀胱的积累显著增加。

Two rice varieties, named Weiyou 402 and Eryou 416 were selected to grow in arsenic spiked soils (0, 10, 20 and 40 mg·kg-1 arsenic) and "natural" arsenic soils (1∶1 of geogenic high level arsenic soil from Guizhou province and silt loam soil from Beijing) in a greenhouse, to compare their arsenic uptake, accumulation, speciation and related health risks.

段桂兰 中国科学院生态环境研究中心，北京 100085以2个水稻品种威优402号和Ⅱ优416号为实验材料，采用温室栽培方法研究对比两个品种水稻在人工添加砷处理（0，10，20和40mg·kg-1）和模拟自然砷污染（贵州高砷土和北京褐土的混合土，质量比为1∶1）胁迫条件下的生长发育状况，分析砷在水稻不同部位的累积、形态转化及其健康风险。

Results: In acute experiment, there was no significant difference of body weight or organ indexes between the normal control and arsenic poisoning groups ; while the CH50 level, lymphocyte accruing rate, phagocytosis rate and macrophagocyte index in arsenic poisoning group were significantly lower (P.05 or P.01) than those in normal group. There was no significant difference of body weight or organ index between arsenic poisoning group and EXD (10 g) treated arsenic poisoning group, while CH50, lymphocyte accruing rate, phagocytosis rate, and mavrophocyte index were significantly higher in EXD (10 g) treated arsenic poisoning group than those in arsenic poisoning group (P.05 or P.01). In EXD (5 g) treated arsenic poisoning group, results of all the tested indexes were the same as those of arsenic poisoning group.

结果：与正常对照组相比，砷中毒组小鼠体重、脏器指数无明显改变；CH50、淋巴细胞增殖、巨噬细胞吞噬率及吞噬指数明显降低，差异有显著性（P.05或P.01；与砷中毒组相比，竹荪治疗低剂量组小鼠体重、脏器指数、CH50、淋巴细胞增殖、巨噬细胞吞噬率及吞噬指数无明显改变化；竹荪治疗高剂量组除小鼠体重、脏器指数无明显改变外，CH50、淋巴细胞增殖、巨噬细胞吞噬率及吞噬指数明显升高，差异有显著性（P.05或P.01）。

Objective To investigate the effects of Arsenic Trioxide and ST157 1 in cotreatment of chronic myelocytic leukemia.

目的 探讨STI571联合三氧化二砷(arsenic trioxide， ATO)对慢性粒细胞白血病细胞增殖和凋亡的影响。

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。