ammonium salts 中文意思是什麼
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Chiral quaternary ammonium salts were synthesized from cinchonine in cinchona alkaloids using chloromethylated polystyrene - polyethylene glycol, diethylene glycol, triethylene glycol and glycol as polymer - supported phase transfer catalysts, finsl products were characterized by ftir, elemental analysis, scanning electron microscopy, x - ray photoelectron spectroscopy ( xps )
摘要以金雞納生物堿中的辛可寧為原料,氯甲基化聚苯乙烯聚乙二醇、一縮二乙二醇、二縮三乙二醇、乙二醇等為載體合成了幾種聚合物負載的手性季銨鹽,並對它們的結構用紅外光譜、元素分析、掃描電鏡和x射線光電子能譜等測試手段進行了表徵。 -
Manufacturer of thiocyanate compounds in china, offering the ammonium, sodium, and potassium salts, as well as carbon disulfide, guanidine isothiocyanate, and perchloromethyl mercaptan
-生產重質純堿輕質純堿普通堿低鹽堿超低鹽堿特殊低鹽堿工業純堿和食品添加劑純堿。 -
Manufacturer of phase transfer catalysts and organic quaternary ammonium compounds, located in india. other products include quaternary phosphonium compounds, pyridinium salts, and methylating and brominating agents
-專業生產氟化苯甲酸系列醫藥中間體,如對氟苯甲酸間氟苯甲酸間溴苯甲酸2 -氯- 4 -氟苯甲酸2 -硝基- 4 -氟苯甲酸3 , 5 -二氟苯甲酸等。 -
The effect of molecular deposition filming flooding agent and quaternary ammonium salts on wettability of oil reservoir minerals
膜驅劑與季銨鹽對油藏礦物潤濕性的影響 -
Standard test method for disinfectant quaternary ammonium salts by potentiometric titration
用滴定計滴定法測定氨基鹽消毒要素的標準試驗方法 -
Standard test method for synthetic quaternary ammonium salts in fabric softeners by potentiometric titrations
採用電位滴定法的織物軟化劑中合成季胺鹽的標準試驗方法 -
Determination of the contents of quaternary ammonium salts by means of potentiometric titration
高氯酸滴定法測定摻雜味精中谷氨酸鈉的含量 -
Anti - swelling of bentonite re - modified by alkyl quaternary ammonium salts
烷基季銨鹽二次改性膨潤土的防膨性能 -
Concentration and recovery of ammonium salts in the waste from rare - earth industry by electrodialysis
電滲析法濃縮回收稀土礦銨鹽廢液 -
Epoxy resin / montmorillonite clay nanocomposite was prepared by intercalating with epoxy and organic montmorillonite clay, which was modified with the long chain quaternary ammonium salts with two positive ions in a molecule as the organic processing reagent
摘要採用雙子季銨鹽對蒙脫土進行有機化處理,再與環氧樹脂進行插層復合制備了環氧樹脂蒙脫土復合材料。 -
Testing of leather ; determination of the contents of total nitrogen and of ammonium salts, calculation of hide substance
皮革的檢驗.總含氮量和銨鹽含量的測定.皮革材料的計
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