砷的

The results show that competitive adsorption does not exist between arsenate and chromate on hydroxy-Fe-montmorillonite complex under experimental conditions.

结果表明，低聚合羟基铁-蒙脱石复合体对砷酸根及铬酸根离子有不同的吸附能力，但在实验条件下砷酸根及铬酸根离子在低聚合羟基铁-蒙脱石复合体表面不发生竞争吸附。

Arsenate is structurally and chemically similar to inorganic phosphate, and many enzymes that require phosphate will also use arsenate.

砷酸盐在结构和化学性质上都很象无机磷酸盐，许多需要磷酸盐的酶也会利用砷酸盐。

Objective: To study synergistic effect with Ascorbic acid on arsenic trioxide inducing human Hepatocarcinoma cell apoptosis, and provide theoretical basis for promoting human Hepatocarcinoma cell apoptosis induced by arsenic trioxide.

目的：探讨抗干血酸对三氧化二砷诱导人肝癌细胞凋亡的协同效应，为改善三氧化二砷临床治疗人肝癌细胞提供理论基础。

The principal aqueous forms of arsenic are the arsenite ionAs ??

砷在液体中的主要形态是亚砷酸离子As？

It was discovered that this modified kaolin had ideal capability of removing arsenic from water because of its giant active surface and coordinate action, intensify, for arsenate ions AsO(superscript 3- subscript 4 and Fe(superscript 3+) fixed on the framework, and achieving the aim of removing the minimal content of arsenic from the water.

以高岭土为原料通过碱熔合成得到类似于分子筛的笼状骨架结构，并将Fe(上标 3+)通过离子交换吸附，负载在其骨架上，实现改性；利用改性后的吸附剂具有大的活性表面积，以及砷阴离子AsO(上标 3-下标 4与Fe(上标 3+)的强配位能力，实现了基于配体交换的固液分离的从微量含砷水中去除砷。

The specific aim of this study is to estimate the prevalence of chronic arsenicism among residentsin the BFD-endemic area after the discontinuation of drinking artesian well water. Arsenic exposure and skin lesions including hyperpigmentation, hyperkeratosis and cancer were studied.

本研究的目的在於了解饮水改善后，乌脚病盛行地区的皮肤砷中毒症盛行率；探讨砷暴露指标和皮肤砷中毒症的关系；并评估调整其他危险因子后，累积神暴露量对皮肤瘤的影响。

The contents of inorganic arsenic in three kinds of algae are determined using this method. The result shows that algae have a low content of inorganic arsenic, complying with the results frequently reported in recent years, in which combination of some testing methods such as HPLC-ICP- MS and HPLC-HGAFS are used. Compared with these results, the results obtained from national standard methods are relatively high, due to the inapplicability of atomic fluorescence method.

并运用本法检测了海带、裙带菜、紫菜等三种海藻中的无机砷含量，发现海藻中的无机砷含量并不高，原国标方法检测的结果就相对较高，原因主要是原国标方法中的原子荧光法不适合于海藻类样品，检测结果与近来国内外报道较多的HPLC-ICP- MS、HPLC—HGAFS等联用技术检测海藻类物质中无机砷含量结果基本吻合，结果良好。

Results With different concentration of sodium arsenite 0.5 ～ 5.0 μmol/L, the skin fibroblasts were markedly stimulated, and a dose effect relationship was observed.

结果与对照组比较，皮肤成纤维细胞经不同剂量的亚砷酸钠诱导后，吸光度值均有改变，存在剂量效应关系（P〈0.01）。0.5～5.0μmol／L浓度的亚砷酸钠对皮肤成纤维细胞有明显的增殖作用，而10μmol／L浓度的亚砷酸钠产生明显的毒性作用。

Preliminary results indicated that 1.2% zuelaemycin EW provided excellent control of apple canker. The control efficacy of 1.2% zuelaemycin EW with ED50 was 28.7 mg/kg, superior to that of asomate with ED50 of 35.6 mg/kg. Toxicity of 1.2% zuelaemycin EW was 1.24 times higher than that of 40% asomate WP. The apple tree,s wound healing treated by 1.2% zuelaemycin EW was 49.94%, superior to that of asomate. The relative control efficacy of zuelaemycin was 88.17%.

结果表明，瑞拉菌素对苹果树腐烂病病菌的抑制作用效果优于福美砷，有效中量ED50分别为28.7、35.6 mg/kg；1.2%瑞拉菌素水乳剂的毒力效果是40%福美砷WP的1.24倍；1.2%瑞拉菌素水乳剂涂治后的伤口愈合率为49.94%，明显优于40%福美砷WP的伤口愈合率，其相对防效达到88.17%。

A field trial for plant density has been used for practical remediation in 2004 and 2005, it has four treatments, 10 cm×10 cm、20 cm×20 cm、10 cm×40 cm and 40 cm×40 cm, respectively. The results were follows: the optimization plant density was 20 cm×20 cm; Peteris vittata L. was a herbaceous plant fit to adequacy increased density for enhancing the biomass and removalling of arsenic; with increased the plant density, the plant were accumulated more proportion arsenic in their fronds, and then made promote the efficiency of arsenic removal from contaminated soils.(2) It was a complicated pyrolysis course for plant incineration.

1在10cm×10cm、20cm×20cm、10cm×40cm与40cm×40cm 4个种植密度下，利用蜈蚣草对砷污染土壤进行了2年的田间实际修复，得出如下结论：蜈蚣草是一种适宜于密植的草本植物，具有通过提高栽培密度来提高其地上部生物产量的潜力；同时蜈蚣草密植有利于促使其吸收的砷向地上部富集，从而有利于进一步提高其对砷污染土壤的修复能力；综合考虑修复过程中的收获方式、经济成本与可操作性，在4个密度处理中密度20cm×20cm为蜈蚣草的最佳栽培密度。

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。