查询词典 fluorides

The degree of the fluorides pollution depends, to a great extent, on the emissionintensity and the distance from the factory. The less efficiency of the environmentalprotection of the fac...

其污染的严重程度与各厂的排放强度以及与厂外的距离有密切关系，并对污染源的治理、减少蔬菜的损失和保障人体的健康提山一些合理的建议。

ResultsThe concentration of urine fluorides was( 1.51± 1.12)mg/L and the prevalence rate of dental fluorosis was 54.68%.

环境要素中的大气、农作物和土壤含氟量分别超过相应的标准值或背景值。

The complex fluorides were characterzed by means of X-ray powder diffraction, environmental scanning electron microscopy and fluorescence spectrometry.

运用X射线衍射、环境扫描电子显微镜和荧光光谱等测试技术对所制备产物进行了表征。

Previously, gaseous fluorides resulting from this process were discharged directly into the atmosphere.

过去，由此生成的气态氟化物直接排入大气。

New fluoride glasses based on gallium and indium fluorides were explored.

合成了一族新的氟化镓铟玻璃，研究了InF3-PbF2-ZnF2-CdF2BaF2）体系和GaF3-CdF2-PbF2(ZnF2体系的玻璃形成区域。

It also analyzes the influence of aluminum cathode,fluorides and operation of power generation on ecologic environment,verifying that mineral and primary aluminum affect the environment badly.

同时分析了铝用阳极、氟化盐和电力生产对生态环境的影响，验证了矿产金属铝属于高环境代价产品。

Key words: Automatic Potentiometric Titrator , PH meter, fluorides, feed and feed additives

关键词〕自动电位滴定仪； PH计；氟化物；饲料及饲料添加剂

Development of solvents, phase-transfer catalysts and fluorides in synthetic reactions is reviewed.

卤素交换氟化反应是合成重要有机中间体含氟芳香族化合物的重要工业化方法。

Xenon compounds Xenon forms some binary fluorides and oxides, as well as fluoride complexes and oxoanions.

氙气化合物形式某些二进制氟化物和氧化物，以及氟化合物和oxoanions 。

All the glass components can be divided into three groups:hard glass components,such as fluorides;soft glass components,such as bromides,iodides,chalcogenides;and borderline glass components,such as chlorides.

所有的玻璃组成均可分为3类：硬质玻璃组分，如氟化物；软质玻璃组分，如溴化物、碘化物、硫系化物；中间玻璃组分，如氯化物。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。