查询词典 arsenic-fast

A non metal lic element,such as arsenic,that has some of the chemical properties of a metal .

准金属，类金属具有一些金属化学特性的非金属元素，例如砷

Assuming an average daily rice consumption of 200 grams--a lowball estimate in Asia--the researchers calculate that arsenic levels would have to be as low as 50 μg per kilogram to remain below the WHO limit for water.

在亚洲，若保守估计为平均每天消费大米200克，研究人员估计稻谷中砷的含量必需低至每千克50微克仍然低于世卫组织所规定水中砷的含量。

Objectives To detect the methylation of P15(superscript INK4B) gene in patients with myelodysplastic syndromes and to investigate the demethylating effects of decitabine and arsenic trioxide (As2O3). Methods The bone marron mononuclear cells from 14 MDS patients were collected.

目的 检测骨髓增生异常综合征患者P15(上标 INK4B)基因甲基化状况；探讨5-氮杂－2'-脱氧胞嘧啶和三氧化二砷(As2O3)对MDS患者细胞的去甲基化作用。

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。

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。

One of the most insoluble arsenic compounds is lead chloroarsenate, Pb5(AsO4)3Cl,( the mineral form being mimetite) which has been studied in detail.

最难以解决的砷化合物之一是铅含氯砷酸盐， Pb5(AsO4)3Cl ，已经被详细研究。

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。

This method is sensitive, rapid, and accurate. It can be used for the determination of arsenic in naphtha widely.

该方法灵敏度高，测定结果准确可靠，可广泛应用于石脑油样品中砷含量的测定。

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。