但是，熔剂保护法和气体保护法致使熔炼工艺及设备复杂化、易产生央杂，并且污染环境；
However, both flux and protective gas would lead to some problems such as inclusion, environmental pollution and complication of melting process and equipment.
用碱金属碳酸盐熔融硅酸盐样品方法中，有关坩埚保护、操作技术、熔剂性质、熔融条件等问题的探讨。
The discussion of problem such as crucible protecting, operating technique, fluxing property and fluxing condition etc. in the method of fluxing silicate sample with alkali carbonate.
用氩气保护，制备出的合金中锶实际含量高于熔剂法制备的合金。
Using the argon gas as protective gas, the content of Sr in alloy was more than that of alloy made by the flux method.
应用推荐