砷的

CeO2 nanoparticles were prepared using cerium nitrate and hexamethylenetetramine as starting materials, and the prepared powders were collocated into polishing slurry for chemical mechanical polishing of GaAs wafer.

以硝酸铈和六亚甲基四胺为原料制备出不同粒径的纳米CeO2粉体颗粒，将纳米CeO2粉体配制成抛光液并用于砷化镓晶片的化学机械抛光。

And the content of mercury and arsenic was determined by means of hydride generation atomic fluorescence spectrometry.

1前言砷和汞在历年的农业部耕地地力调查中，都被列为重点监督的有害元素。

This paper introduces briefly the original papers published on the speciation of selenium, arsenic and cadmium in bio-materials by the use of hyphenated techniques.

扼要介绍了近年来报导的有关联用技术应用於生物体中硒、砷和镉等化学形态的研究成果。

Zhong Liman and other forensic analysts have detected arsenic in the hair of Guangxu's body by modern experiments so they believed that Guangxu died of 'acute gastrointestinal arsenic poisoning'.

钟里满等专家，利用现代精密仪器，对光绪帝头发上的砷含量进行测定后认为，光绪帝死于"急性胃肠型砒霜中毒"，学界多数人的认识为之一变。

Objective To investigate the effects of a wide range of concentrations of As2O3 malignant lymphoma cell lines.

目的研究不同浓度的三氧化二砷对恶性淋巴瘤细胞株的影响。

Through taking samples for analysis, the pollution conditions of celery and spinach, which are vulnerable to heavy matal and As pollution, were studied in Jingzhou suburban vegetable bases.

经过取样分析，对荆州市郊区蔬菜基地易受重金属和砷污染的芹菜和菠菜的污染状况进行了研究。

Phosphine(PH3)is an important electronic specific gas which is mainly used in fields of N-type semiconductor doping,ion implement and chemical vapor deposition etc.

磷化氢在电子工业中主要用作外延硅半导体的一种n型掺杂剂，在化学气相沉积和离子注入中被用作一种磷源，在发光二极管用磷砷化镓膜的生产中也占有重要地位。

The order of biooxidation extent is: arsenopyrite＞pyrite＞tennantite＞realgar and orpiment Under the experimental conditions, biooxidation of arsenopyrite is a complex heterogeneous process, the rate of which is determined by both the chemical reactions between Fe〓 and arsenopyrite and the activity of bacteria.

作为处理这类矿石的一种有效方法，细菌氧化脱砷方法具有金银回收率高、投资费用较少和无环境污染等优点，近年来已在国外得到工业应用，现正引起国内冶金界的重视。

Arsenic trioxide As(2O(3), an effective drug for the treatment of acute promyelocytic leukemia, can induce apoptosis and partial differentiation in APL cells in vitro and in vivo.

三氧化二砷（As2O3）是治疗急性早幼粒细胞性白血病的有效药物。体内与体外的研究均显示它可诱导APL细胞凋亡与部分分化。

Application of systematic clustering-back propagation network in the phase analysis of lead

分析准确度达90 %以上，为高砷高硫金矿中金的相态分析提供了一种可靠的分析方法。

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。