查询词典 arsenic-fast

When the pH value was about 7.0, and the settling time was 30min, and the dosage was 100mg/L, the removal efficiency of arsenic can achieve 80% as polysilicate ferrite and polysilicate ferrite aluminum being used as coagulation reagents.

在pH 值为7，沉降时间为30min，混凝剂投加量达100mg/L时，聚硅酸硫酸铁、聚硅酸硫酸铁铝、聚硅酸氯化铁和聚硅酸氯化铁铝对砷的去除率达80%以上。

By imaging-PAM, Photosynthetic performance of Pteris vittata was studied under Arsenic stress.

利用荧光成像技术研究了营养液培养条件下砷胁迫对蜈蚣草光合作用的影响。

Factors influencing arsenic accumulation by Pteris vittata: a comparative field study at two sites.

土壤中的砷及其生物有效性。地球科学进展， 2006， 21(6)625-632韦朝阳，陈同斌。

The subcellular distributions of phosphorus and calcium in Pteris vittata L., an arsenic hyperaccumulator, were examined to explore the mechanisms of As tolerance of these plants grown under sand culture conditions.

为了在研究砷超富集植物蜈蚣草中磷和钙的亚细胞分布，并探讨其与蜈蚣草耐砷毒的关系进行了试验研究。

The test of arsenic 、 burning residua 、 oxide are items of formal tests.

注： 1、砷、灼烧残渣、氧化物的测定为形式检验项目。

The recent development of the analysis of trace arsenic is reviewed,including spectrophotography,atomic-absorption spectrometry,atomic-fluorescence spectrometry and electro-chemical determination.

综述了近年来痕量砷的测定方法，主要包括分光光度法、原子吸收光谱法、原子荧光法、电化学方法、X-射线荧光法、电感耦合等离子体质谱法等，并展望了联用技术在砷形态的分离和测定的应用前景

Pretreatment ; Sulphatization ; Arsenic removal ; Reverse flotation

预处理；硫酸化；除砷；反浮选

Gelena is pretreated by sulphatization, forming a layer of PbSO_4 film on its surface. The film has no effect on arsenic minerals and gelena is depressed during reverse flotation.

通过硫酸化预处理，可使方铅矿表面形成一层PbSO_4覆盖膜，而砷矿物不受影响，从而在反浮选中，方铅矿受到抑制。

Arsenic is a notorious environmental toxicant known as a carcinogen in human beings.

中文摘要砷为环境中的毒性物质，也是人类可能的致癌因子之一。

The method is simple,rapid and with high sensitivity,and can be applied for the determination of trace amounts arsenic in Tricholoma giganteum.

该方法简单快速，灵敏度高，可作为药用真菌巨大口蘑中微量砷的测定方法。

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。