查询词典 calcium

Fluoride can increase the hardness of the teeth; that calcium fluoride in the enamel of the higher proportion of teeth, the greater the hardness.

答：（1）氟可以增加牙齿的硬度，这在牙齿珐琅质的比例较高氟化钙，硬度越大。

Diameter 210mm calcium fluoride crystal has been grown by Bridgman-Stockbarger method.

采用Bridgman-Stockbarger法生长出直径为210mm的氟化钙晶体。

At present, one phase of the project (treatment date 200 tons of ore) flotation of calcium fluoride on the production line May 20, 2007 put into operation, product to meet special GB.

目前，一期工程日处理原矿200吨）的氟化钙浮选生产线已于2007年5月20日建成投产，产品达到国标特。

By the key element of optical system is the crystal of fluoride calcium the thickness of5mm, on which diamond tool substituted the concentric circles, which reflect and which focus the light, which falls into the outward flange 60- mm of objective.

由关键因素是光学系统的晶体氟化钙的厚度5毫米，其中金刚石工具取代的同心圆，反映并重点考虑，这属于外向法兰60 -毫米的目标。

That deeply discusses the specialty of calcium and fluoride in saliva and plaque, and makes clear the rule of conversion and reciprocity of it will be important meaning to clear the pathogenesis of caries, and advance remineralization of dental, and effectively process the forecast and prevent and therapy of caries.

深入探讨唾液、菌斑中氟离子、钙离子的生物学特性，研究其转换代谢规律、相互作用以及各种影响因素，对探明龋病的发病机理，促进牙齿硬组织的再矿化，有效地进行龋病的预测、预防和治疗等均有重要意义。

Calcium fluoride: new properties for an old material.

新型光学材料北京：科学出版社，1991.56～60

The activity of SOD greately increased in the low calcium +fluoride group, but the activity of GPX decreased in this group.

综合本实验结果和我们实验室以往多次检测情况来看，使用传统的氧化应激指标（如MDA、GPX、SOD、CAT等）其结果不甚一致。

A source of calcium and hydroxide should be provided to avoid such conflicting operation conditions.

应提供钙和氢氧化物的来源，以避免这样的矛盾工作条件。

Hydroxide and calcium hydroxide the nature of the two.

氢氧化钠和氢氧化钙的性质2。

A white crystalline oxide used in the production of calcium hydroxide .

一种白色的晶状氧化物，用于制造氢化钙。

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。