金属钙还烧伤的氟气，形成了融合氟化物，偶尔分钟和萤石晶体。
Metallic calcium also burns in fluorine gas, forming the fused fluoride, and occasionally minute crystals of fluorspar.
沉淀溶解金属，硫化物和氟化物和减少像磷酸盐和氮之类的营养物。
Must be treated to neutralise acids, precipitate dissolved metals, sulphide and fluoride and reduce nutrients such as phosphates and nitrogen.
应用正交试验法，研究了碱金属氧化物及氟化物对环保型无铅釉上彩熔剂性能的影响。
The effect of alkaline metal oxides and fluorides on the performances of green leadless fluxing agents for overglaze colors were studied by means of orthogonal experiments.
含有0.1%或更少的活泼氟化物(认为是HF)的气态NF 3被发现对于几种不同的母材和焊接金属试验品是没有腐蚀性的。
Gaseous NF3 containing 0.1% or less active fluorides (calculated as HF) was found to be noncorrosive toward several different parent and welded metal specimens.
本发明涉及一种镁及镁合金表面致密性氟化物陶瓷膜的制备方法，属于金属表面处理技术领域。
The invention relates to a method for preparing dense fluoride ceramic films on a magnesium surface and a magnesium alloy surface and belongs to the technical field of metal surface treatment.
本发明涉及一种镁及镁合金表面致密性氟化物陶瓷膜的制备方法，属于金属表面处理技术领域。
The invention relates to a method for preparing dense fluoride ceramic films on a magnesium surface and a magnesium alloy surface and belongs to the technical field of metal surface treatment.
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