石英坩埚

拥有国内唯一生产最大直径石英坩埚的高新技术企业及国家金太阳工程入围企业。

The only high-tech enterprise producing quartz crucible of the maximum diameter and enterprises short-listed in the National Golden Sun Project are in our economic zone .

同时通过改变石英坩埚、石墨托厚度，冷源半径等几何参数来达到控制固液界面形状的目的。

In addition , the solid liquid interface shape was controlled by changing geometric parameters , such as quartz crucible , graphite support thickness and cooling radius .

用石英坩埚生长热稳定半绝缘GaAs单晶的探讨

A Review on Growing Heat-Stable Semi-insulating GaAs Crystals from a Silica Crucible

晶体生长过程中，碳通过石英坩埚和石墨托埚之间的相互作用产生的CO气体被融硅吸收的途径进入到硅晶格中。

In the process of single crystal growth , the carbon is incorporated into silicon lattice through the way which molten silicon absorbs CO gas . This CO gas is generated from interaction between silica crucible and graphite crucible .

大容量石英坩埚使用的研究

Study on the Use of Large Capacity Quartz Crucibles

纯铁在石英坩埚中熔化，并恒温在1600℃，按前后分别加入纯硅和纯铌，让其充分发生反应。

Pure Si and Nb were added separately into the liquid iron contained in quartz crucibles at 1600 ℃ .

介绍了用石英坩埚灰化油样品，通过加抗干扰剂，用空气/乙炔火焰原子吸收光谱法测定润滑油中钼含量的方法。

The method of determining the molybdenum content in lube oil was presented by AAS ( atomic absorption spectroscopy ) with air-acetylene flame after the oil sample was ashed in silica crucible , and adding the interference-free reagent while the test results for accuracy and reproducibility were satisfactory .

与铂、银、镍、刚玉、石英等坩埚比较，具有引入杂质少成本低等优点。

And excels the platinum , silver , nickel , corundum , and quartz at a lower cost and less contamination .

Ⅰ类石英玻璃在金属坩埚中熔制，金属杂质含量高，结构中存在较多缺陷，导致反应速率最快；

Due to the existence of a large number of defects and metal ions in the structure of type I silica glass , its reaction rate is the fastest in three kinds of silica glasses .

光学石英玻璃，氟化钙，石英坩埚，石英制品，石英陶瓷锦州市华洋石英玻璃有限公司。

Quartz heating apparatus , Quartz glass process , Opaque quartz glass , Optics quartz glass , Sapphire , Quartz products , Quartz ceramics , Quartz crucible , Oven .

讨论了采用真空加压法制造透明石英玻璃管的过程中，影响质量和产量的主要工艺因素，其中包括石英原料、石墨坩埚、配电、真空泵油、熔炼制度等方面的问题。

Processing problems including requirements of quartz raw materials , graphite crucibles , power supply , vacuum pump oil , melting schedule etc. which affect the production and quality of transparent silica glass tubes by vacuum-pressure method have been discussed .