calcium fluoride

The Composition and the Crystal Structure of Calcium Silico-fluoride Phase A

氟硅酸钙A相的组成和晶体结构

As a buffer fluid, acetic acid can help maintain a low pH in the acid-rock reaction system, reducing the amount of damaging precipitants ( such as calcium fluoride, ferric hydroxide, aluminum hydroxide, and aluminum fluoride etc.) generated in the acid treatment of sand.

作为缓冲液，能维持酸岩反应体系的低pH值，减小氟化钙、氢氧化铁、氢氧化铝、氟化铝等砂岩酸化中二次反应伤害沉淀物。

Structures of Calcium Fluoride and Calcium Oxide in Molten Cryolite

氟化钙和氧化钙在冰晶石熔体中的结构

Development of natural calcium fluoride TLD element

天然氟化钙剂量元件的研制

The Mineralization and the Action in the Silicate Industry of the Calcium Fluoride

萤石的成矿及在硅酸盐产品生产中的作用

Combined occluding effect of calcium fluoride varnish and Nd ∶ YAG laser irradiation on human dentinal tubules in vitro

Nd∶YAG激光加氟化钙对牙本质小管的阻塞作用

Calcium Fluoride Crystals Growth by Temperature Gradient Technique

温度梯度法生长氟化钙晶体

The fluoride is produced from calcium fluoride which is used as a flux for slagging in converter at the steelmaking temperature, which pollute the air and the water.

转炉造渣中加入萤石作为助熔剂，在炼钢温度下产生氟化物，污染了大气和水。

The resultant by-product calcium fluoride can be used as additional agent in Si-Fe alloy metallurgy that makes slag recycled more completely.

副产品氟化钙用作炼硅铁合金的助熔剂，使钙热还原炉渣得到综合利用。

Methods for chemical analysis of fluorspar& The EDTA volumetric method for the determination of calcium fluoride content

GB/T5195.1-1985氟石化学分析方法EDTA容量法测定氟化钙量

Conclusion: Calcium in fluoride rinse can increase the fluoride levels in plaque and saliva, and long the time of affection of fluoride, and then may play a role in prevention of cariogenesis.

结论：在相同的氟离子浓度条件下，加入钙离子的含氟漱口液可以增加菌斑和唾液中的氟离子释放，延长了氟作用时间，提高防龋效果。

The contribution of the electronic polarization to the elastic and piezoelectric constants and the dielectric tensor for the calcium fluoride crystal

电子极化对氟化钙离子晶体的弹性系数、压电系数和介电常数的影响

To improve the homogeneity of manganese sulfide and calcium fluoride, the machinability could be enhanced.

改善硫化锰和氟化钙的分布，将会改善切削加工性。

A Comparative Study About the Influence of Lanthanum, Calcium, Fluoride on Plaque pH

镧、钙、氟对菌斑pH影响的实验研究

A soft mineral ( calcium fluoride) that is fluorescent in ultraviolet light; chief source of fluorine.

一种软质矿物（氟化钙），在紫外线下常发荧光，是氟的主要来源。

Synthesis and Growth of New Type Nonlinear Optical Material of Calcium Fluoride Borate

新型非线性光学材料氟硼酸钙的合成及晶体生长

To examine the bone reaction to calcium fluoride, the standardized bone implantation technique recommended by FDI was used.

采用国际标准化的骨内植入法，观察氟化钙的生物相容性，同时以氢氧化钙和空白作对照。

Results: Laser with different parameters blocked dentinal canaliculi. Combined occluding effect of calcium fluoride varnish and Nd ∶ YAG laser irradiation on human dentinal tubules in vitro

结果：不同功率的激光经不同照射时间照射牙本质片后，均可封闭牙本质小管。Nd∶YAG激光加氟化钙对牙本质小管的阻塞作用

The ingredients of the above mentioned slag is: lime, calcium fluoride, calcium carbide, aluminum powder and alumina.

该改性渣配方含有石灰、萤石、电石、铝及铝灰。

The selection of main reagents and screening agents has been introduced for measuring the calcium fluoride in fluorite by EDTA volumetric method.

介绍EDTA容量法测定萤石中氟化钙时所使用的主要试剂、掩蔽剂等的选择。

Experimental Study on Treating Low Phosphorus Wastewater by Combination of Tobermorite and Calcium Fluoride

环太平洋钙碱性岩石区雪硅钙石与氟化钙处理低磷污水的实验研究

Research and Development of Calcium Fluoride Crystals

氟化钙（CaF2）晶体研发进展

Measurement of the Calcium Fluoride in Fluorite by EDTA Volumetric Method

EDTA容量法测定萤石中氟化钙

Machinability of P/ M sintered steels with manganese sulfide and calcium fluoride additives is investigated and analyzed by experiments of sintering and cutting on milling machine.

通过烧结和在铣床上切削加工的实验，研究了添加硫化锰和氟化钙的烧结钢的加工性。

A colorless poisonous corrosive liquid made by the action of sulphuric acid on calcium fluoride; solutions in water are hydrofluoric acid.

一种无色有毒腐蚀性液体，由硫酸作用于氟化钙而制成，溶于水中形成氢氟酸。

Crystal Growth and Optical Properties of Calcium Fluoride

CaF2晶体的生长与光学性能

Using iron, aluminium compound and industrial waste as additives for calcium based fluoride retention is an effective way to save energy and reduce air pollution.

在钙基固氟剂中添加铁、铝等化合物以及工业废渣制成复合型固氟剂，并通过固氟实验来筛选出几种耐高温复合型廉价固氟剂。

Chemical Corrsion and Wetting Action of Molten Calcium Fluoride and Fluoride-Containing Slags on Carbon Refractories

含氟高炉渣、氟化钙对于炭砖的化学侵蚀及润湿作用

A common complex mineral consisting of calcium fluoride phosphate or calcium chloride phosphate; a source of phosphorus.

一种常见的复合矿物，由钙氟化物磷酸盐或钙氯化物磷酸盐组成，可以从中提取磷。

Four different structural models were studied for the dissolution of calcium fluoride in molten sodium fluoride and molten cryolite.

研究了氟化钙在熔融氟化钠和冰晶石中的4种不同的结构模型。