The copper crucible for 25 kg vacuum skull furnace is systematically studied. The various factors effecting on the copper crucible failure are analyzed and discussed. The effective methods of elongating the service life of the copper crucible is indicated.

The Study on the Copper Crucible of 25 kg Vacuum Skull Furnace

25kg真空凝壳炉用紫铜坩埚的研究

A numerical model for simulating the temperature field of titanium melted in induction furnace with a water cooled copper crucible has been developed by using the direct finite difference method.

利用直接差分法，建立了水冷铜坩埚感应熔炼过程温度场数值模拟计算模型。

Melting and casting rare earth alloy with water cold copper crucible

稀土及其合金熔铸&水冷铜坩埚感应炉

Abstract From the concept of the crucible in FeSi electric furnace, the paper considers that periodically destroying the crucible is the key to improve air permeability, reduce burden sintering and keep normal furnace condition.

从硅铁电炉炉内坩埚的概念出发，认为周期性地破坏坩埚是改善炉料透气性，减轻炉内结料，保持正常炉况的关键。

The growth of Cd_ ( 1-x) Zn_xTe single crystal with descending crucible method in three-temperature-zone furnace

三温区坩埚下降法生长Cd（1-x）Zn xTe单晶体

Some companies which seep metal element with TD salt-bath mainly use outside-heat crucible salt bath furnace.

在国内一些应用TD盐浴渗金属的单位目前主要用外热式坩埚盐浴炉。

Various kinds of cold crucible induction furnace, and their basic technical parameters and energy balance are also presented.

并介绍了多种用途的冷坩埚炉型，工艺参数和能量平衡；

Aluminium Titanate has low thermal expansion and excellent thermal shock resistance It can be used as fine refractories in high temperature resistance nozzle tube 、 kiln furniture 、 thermocouple-protection tube 、 crucible furnace and so on. It has a wide prospect of application.

采用低膨胀的钛酸铝作为精细耐火材料，开发出的抗热震性能优异的耐高温烧嘴喷管、窑具、热电偶保护管以及坩埚，具有广阔的应用前景。

The algorithm is applied to calculate the free surface contours of metal in a laboratory scale crucible furnace and the results showing excellent agreement with the measured value are presented.

运用这一算法进行了实例计算，计算结果与模拟实验所测量的结果十分吻合。

Engendering and controlling of blemish in manufacturing in crucible furnace

坩埚窑生产中缺陷的产生及控制

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

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。

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.

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。

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

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。

The precursor solution was then condensed in porcelain crucible at 90 ℃ and was decomposed rapidly at 500 ℃ followed by a heat treatment at 500 ℃ for 1h.

最后在电炉内500℃的条件下分解，之后热处理1小时。

Study on the repeated use of the porcelain crucible and joining amount of flux by Instrument of high-frequency infrared of carbon and Sulphur

高频红外碳硫仪用瓷坩埚的重复使用及助熔剂加入量研究

Fuse potassium dichromate ( 19) in a porcelain crucible.

在瓷坩埚中熔化重铬酸钾（19）。

The utility model relates to a graphite crucible with a cover, which is mainly used for growth technology and primarily adopts a falling crucible method for growth of crystal.

带盖石墨坩埚，主要用于生长技术，主要是采用坩埚下降法生长晶体时。

The monocrystal cost is partially determined by the performance of the grower and the crucible charge.

影响单晶成本的部分因素是单晶炉的性能和单晶炉的装料量。

Effects of Carbon-Sulphur Crucible on Reduction of Blank in Crucible

碳硫坩埚炉对降低坩埚空白的作用及效果

Evaluation of the normal and injured cruciate ligaments of knee joint on low field MRI

膝关节交叉韧带低场强MRI表现及其损伤诊断