全氟聚醚及环状三聚膦腈有希望作为未来的航空发动机油。
The perfluoroalkylpolyether and cyclotriphosphazene have promise to be future aviation engine oil.
结果表明:TATB/氟聚物复合材料界面的分子间作用主要是范德华力,并且这种力不能有效阻止该界面的滑移。
The results show that molecular interaction at interface of TATB/Fluoropolymer composite is mainly Van der Waals force, and this force can not resist interfacial slippage effectively.
目前只在一些氟调聚物(不同于氟聚合物)产品中发现有极少量的全氟辛酸铵(PFOA)残留。氟调聚物产品主要用于一些纺织品的防尘处理和纸包装材料的防油污处理。
It may be found at very low trace levels in some fluorotelomers products, which are used primarily to provide stain resistance to a number of textile products and grease-resistance to paper packaging.
这种混合物中包含了带正电荷的钾离子和带负电荷的聚三氟甲基磺胺离子。
This compound consists of positively charged potassium ions and negatively charged trifluoromethylsulfonates.
用压力和电能,所述激光通过使电流通过反应性气体,如氟或氯,和惰性气体,如氪或氩气的混合物产生二聚体。
With pressure and electricity, the laser creates dimers by passing electrical current through mixtures of reactive gases, such as fluorine or chlorine, and inert gases, such as krypton or argon.
有关氟调聚物:氟调聚物产品是一系列化合物,以其独特性质而作为泡沫灭火剂和涂料生产的成份。
About fluorotelomers: fluorotelomer derivatives are a family of compounds used as ingredients in making firefighting foams and coatings because of their unique properties.
结果表明,氟污染使土壤黏粒的稳定性增强,土壤胶体的临界聚沉浓度增大;
The results indicated that fluorine pollution strengthened the stability of soil colloid and increased the critical flocculation concentration.
结论:在DMA中以催化剂A催化六氟丙烯齐聚主要得到二聚物,在较佳的工艺条件下,二聚物的收率达到97%。
It is conclude that dimer was mainly product when hexafluoropropene oligomerize with Cat. A in DMA, and the yield could reach to 97% in a technique condition.
采用N, N -二甲基甲酰胺(DMF)为溶剂,以氟树脂为疏水助剂,制备聚偏氟乙烯(pvdf)膜。
Polyvinylidene fluoride (PVDF) membrane was made by n, N-dimethylformamide (DMF) as the solvent and fluoride resin as the hydrophobic agent.
土壤中增加氟,对土壤胶体临界聚沉浓度增大的影响程度因土壤类型不同而不同,表现为红壤大于水稻土;
The effect extent of increasing the critical flocculation concentration is different among various soils, expressing that the effect on red soils is more remarkable than that on the paddy soil.
含氟丙烯酸酯在复合乳化剂存在下分别进行均聚乳液聚合和共聚乳液聚合。
The fluoro-acrylate was homopolymer-ized and copolymerized in emulsion at present of a composite emulsifying agent, respectively.
以液态聚硫橡胶、异氟尔酮二异氰酸酯和扩链剂3,6 -二甲硫基-2 ,5 -二甲苯胺为原料,合成了不同硬段质量分数的聚硫硫代聚脲。
A series of polysulfide based thio-polyurea was synthesized, which were based on isophorone diisocyanate, liquid polysulfide and 2,5-diamino-3,6-dimethylmercapto toluene.
当氟与铝共存时,石膏晶体的外形发生了极大的变化,几乎都形成了球状聚晶;
The shape of gypsum crystal changes little in the presence of Al 3+ ion.
当氟与铝共存时,石膏晶体的外形发生了极大的变化,几乎都形成了球状聚晶;
The shape of gypsum crystal changes little in the presence of Al 3+ ion.
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