冰晶石

X-ray fluorescence spectrometer is used to measure F,Aluminum,Na,SiO2,Fe2O3,SO2-4,P2O5 and CaO elements in cryolite after sample is made by powder press sheet with boracic acid at sides and bottom,showing quicker and precise analysis.

采用粉末压片，硼酸镶边垫底的制样方法，用波长色散X射线荧光光谱仪测定冰晶石中的F、Al、Na、Si O2、Fe2O3、SO42-、P2O5、CaO等8个成分。

Cryolite in flux of electrolytic aluminum production to do, the brightener enamel, glass sunscreens.

冰晶石在电解铝生产中做助熔剂、搪瓷的增白剂、玻璃的遮光剂。

The meaning for the production of ice spar from by-product of phosphate fertilizer was discussed based on the analysis of limited calcium fluoride resources,recovery of fluorin from phosphate fertilizer and environmental protection.

从萤石资源的有限性、磷肥氟资源回收和环境保护等因素，阐述了开发磷肥副产物制冰晶石的意义；本文介绍了国内外冰晶石的生产现状及存在的问题；综述磷肥副产物制冰晶石的各种生产工艺。

First we study the the structure of cryolite in the high temperature.

第二部分是高压部分，进一步探索冰晶石的物质结构，测试了冰晶石常压到21.2GPa下的拉曼谱线，并作了相关的理论分析。

This work mainly studies the structure of cryolite in the high temperature.The paper is divided to double parts.

本论文主要研究冰晶石在高温状态下的物质结构问题，论文分为两部分，第一部分研究了高温状态下冰晶石(Na3AlF6)的物质结构问题，我们采用自制的加温炉体进行了室温300K到1075K的在位拉曼测试，记录了样品从室温到熔融状态下的峰位及半高宽的变化。

Main product Synthetic Cryolite is the National New Product and the company has been the biggest exporter of it in China for the last four years.

产品通过ISO9001.2000质量体系认证，主导产品冰晶石为国家级新产品，是中国最大的冰晶石生产厂家和出口商。

The paper discusses the process conditions of producing synthetic cryolite by carbonation method and the main factors affecting the yield rate of sodium fluosilicate.

本文探讨了碳酸化法合成冰晶石的工艺条件，确定了影响氟硅酸钠纯碱分解率的主要因素，试验结果表明：NaF溶液的精制和〔6F-〕/〔Al〕、反应温度等对冰晶石性能有显著的影响。

The main factors affecting the decompounding rate of sodium fluosilicate by calcined soda were confirmed.

探讨了碳酸化法合成冰晶石的工艺条件，确定了影响纯碱分解氟硅酸钠的分解率的主要因素，试验结果表明：氟化钠溶液的精制、n(6F)/n、反应温度等对冰晶石性能有显著的影响。

Process Research of Second Stage Reaction at Preparing Cryolite from Fluosilicic acid-quality, Appearance and Filtering Performance of Cryolite

氟硅酸制冰晶石第二阶段过程研究－冰晶石质量、形貌及过滤性能，刘晓红；王贺云；李安-66文免费论文库，大学生论文库

It divided into two steps to prepare cryolite from fluosilicic acid, in the second step, cryolite is manufactured through the reaction of the ammonium fluoride solution with the sodium sulfate and the aluminum sulfate.

氟硅酸制取冰晶石分两步进行，第二步用得到的氟化铵溶液与硫酸钠和硫酸铝反应制冰晶石。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。