查询词典 arsenic

objective to observe the effect of unithiol for the treatment of arsenic apicitis.methods sixty-three patients received therapy with 5% unithiol and the therapeutic effect was retrospectively analyzed.results 59 of 63 teeth were cured with the cure rate 92%; no effect was observed in 4 cases.conclusion unithiol can be effectively used for the treatment of arsenic apicitis.

目的 观察二巯基丙磺酸钠治疗砷性根尖炎的疗效。方法 63例患者患牙63颗接受5%二巯基丙磺酸钠治疗，回顾分析其疗效。结果 63颗患牙经本药治疗后59颗显效，占93.7%；4颗无效。结论二巯基丙磺酸钠可有效并安全用于治疗砷性根尖炎。

The experiments included both small and extended test. Because the Arsenic in secondary zinc oxide exists mainly in the form of arsenous oxide, which is volatile, the roasting method of adding reductant carbon to secondary zinc oxide is used to remove Arsenic.

本研究实验包括小型实验和扩大实验，由于次氧化锌中砷主要以三氧化二砷形态存在，因此可以通过三氧化二砷易挥发特性，采用在次氧化锌中加入炭还原剂的焙烧方法脱砷。

According to analysis to poisonous grit mineral character,discussion about how to conquer arsenic in vulcanization ore and the investigations of much cassiterite metal vulcanization ore , much cassiterite metal vulcanization ore is a new kind of reagent,it is effective in reducing arsenic.

通过对毒砂矿物性质的分析，探讨硫化矿降砷及锡石多金属硫化矿选别试验，得出锡石多金属硫化矿浮选降砷的有效抑制剂为TS-1新药剂。

The accumulation to arsenic of Clitocybe bhyllophical was the second high with arsenic content of(3.6418mg/kg) dry matter.

食用蘑菇是有价值的食品，具低卡路里，植物蛋白质含量高，还含较多的Fe、Zn、几丁质、纤维素、维他命和矿物质。

It is shown that polysilicate ferriteand polysilicate ferrite aluminum are efficient for disposal of arsenic wastewater, while polysilictae aluminum can not remove arsenic effectively.

实验结果表明，聚硅酸硫酸铁、聚硅酸氯化铁、聚硅酸硫酸铁铝和聚硅酸氯化铁铝对砷的去除效果均很好，聚硅酸硫酸铝和聚硅酸氯化铝对砷的去除效果不理想。

Screening potential arsenic hyperaccumulator from field sites and investigating the possible factors that affected the arsenic accumulation ability of hyperaccumulator Pteris vittata L., were performed in this thesis.

并对自然条件下影响超富集植物生长和富集能力的可能因素开展研究，为超富集植物实际应用于植物修复所需的调控措施提供实验依据。

Pteris nervosa L. were discovered and confirmed as another arsenic hyperaccumulator in field investigation, could accumulate arsenic up to 1000mg/kg in pinnate in field. P. vittata L. and P. nervosa L.

通过野外调查，发现和证实了大叶井口边草是一种As的超富集植物，并发现蜈蚣草和大叶井口边草对多种重金属都具有很高的耐性。

The distribution of arsenic in coal has two genetic types:that is,terrigenous sediment and addition of epigenetic mineralization,and the arsenic abundance in the later is higher obviously than that in the former.

煤中砷的分布有两种成因类型：陆源沉积型、后期矿化叠加型，后者的含砷丰度显著高于前者。

Nowadays, millions of individuals in the world are suffering from by arsenic toxicosis and the arsenic contamination has been reported worldwide.

目前，世界上有数以百万计的人受到砷中毒的威胁，砷污染事件在世界范围都有报道。

Arsenic in pinnate leaf tended to translocate to the tip of leaf, where higher arsenic content was found in this study.

对蜈蚣草羽叶中元素的微区分布的研究结果表明，蜈蚣草羽叶中As具有向叶尖转运的趋势，羽叶叶尖是蜈蚣草羽叶中As含量最高的部位。

Objective: To study the effect of polycythemia on blood oxygen saturation.

裴蕾目的：观察RBC剧增而引起的高粘血症对血氧饱和度的影响。

Based on SIMPLER algorithm in the curvilinear body-fitted coordinates, the calculations were performed for Pr=0.7, Re=10~1000 on non-orthogonal non-staggered grids which are generated by elliptic equation systems.

采用曲线坐标系下压力与速度耦合的SIMPLER算法，数值研究了周期性渐扩渐缩波纹通道内脉动流动与换热情况，流动Re数的范围为10~1000，Pr数为0.7。