Silica pigment, benzene parazolone, oxalic acid catalyzer, accelerant, catalyst, deposit carbon powder, starch, paraacetaminophenetol - sulfonamide, sodiumpara - aminosalicylate ( pasna ), dalmato, p - thephalic acid, diethylbenzene - amine, titanium dioxide, acticarbon, sodium fluosilicate, fluorite, by - thiamine, silica gel powder, synthetic resin, sulfonic acid, polypropylene resin, aureomycin, pyrosodium silicate, gluchlorine acid coffee grounds, glucose, sodium sulfate, sulfide mineral, guound phosphate rock, bb, p. v. c.,
M 、觸媒、沉澱炭粉、對乙酰氮基苯磺酰氨、對氨基水楊酸、哆耳瑪托、對苯二酸、二乙苯
銨、二氧化鈦、活性碳、氟硅酸鈉、氟石礦、副產硫
銨、硅膠粉未、合成樹脂、磷酸鈣、聚丙烯樹脂、金黴素、偏硅酸鈉、糠
氯酸咖啡渣、口服葡萄糠、硫酸鈉、硫化礦、磷礦粉、蘭bb 、 p . v
The synthesis methods of isobutyl acetate catalyzed by p - toluene sulfonic acid, amino sulfonic acid, strongly acidic cationic exchange resin, ferric chloride hexahydrate, cupric chloride bi - hydrate, stannic chloride pentahydrate, ammonium ferric sulfate dodecahydrate, sodium bisulfate monohydrate, potassium bisulfate, chitosan sulfate, sodium dihydrogen phosphate, rare earth metallic oxide, solid super acid, heteropoly acid and molecular sieve etal were reviewed
摘要評述了對甲苯磺酸、氨基磺酸、強酸性陽離子交換樹脂、六水三
氯化鐵、二水
氯化銅、五水四
氯化錫、十二水合硫酸鐵
銨、一水硫酸氫鈉、硫酸氫鉀、殼聚糖硫酸鹽、磷酸二氫鈉、稀土金屬氧化物、固體超強酸、雜多酸和分子篩等催化劑催化合成乙酸異丁酯的方法。
Catalytic synthesis of diisoamylester maleate with toluene - p - sulfonic acid, amino - sulfonic acid, strongly acidic cation exchange resin, ferric chloride hexahydrate, stannic chloride pentahydrate ; ammonium ferric sulfate dodecahydrate, sodium bisulfate monohydrate, solid super acid and heteropoly acid was reviewed
摘要綜述了對甲苯磺酸、氨基磺酸、強酸性陽離子交換樹脂、六水三
氯化鐵、五水四
氯化錫、十二水合硫酸鐵
銨、水硫酸氫鈉、固體超強酸和雜多酸催化合成馬來酸二異戊酯的方法。
Temperature and the concerntration of iptg are crucial factors for expressing tryptopanase with high activity. a conclusion can be drawn that tryptopanase expressed only by constructed plasmid during " catabolite repression "
在該條件培養得到的菌體能將吲哚、丙酮酸和
氯化
銨在ph9的條件下轉變為色氨酸。
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。
Manufactures copper chemicals in montana, usa. products include copper powder, cuprous and cupric oxide, dispersion - strengthened copper and agricultural fungicides, as well as zinc oxide
-生產碳酸鉀碳酸氫鉀硝酸鉀山梨酸鉀
氯化
銨納米氧化鈦含氟
氯系列化工產品。
Cupric ammonium chloride
氯化銅
銨
2 benjia 4 - methyl ketone, 4 - chlorine two benjia methadone, acrylic acid resins, hydrochloric cola organism, 1023 - 1063 nitrogen zhuo methadone, phenyl acetone, reactive copper oxide, chlorobenzene oxygen ethanoic acid, ethyl ammonium chloride de base 3, 4 butadiene styrene brominated ammonium, four butadiene styrene acid hydrogen amines, amino benyi r123 for methadone, a pond amine manufacturing and marketing
甲基二苯甲酮、 4
氯二苯甲酮、丙烯酸樹脂、鹽酸可樂啶、月桂氮卓酮、苯基丙酮、活性氧化銅、對
氯苯氧乙酸、芐基三乙基
氯化
銨、四丁基溴化
銨、四丁基硫酸氫胺、二
氯對氨基苯乙酮、因潢胺製造和銷售。
Undecoylium chloride iodine
恩地氯銨碘
