氯醇化 的英文怎麼說
中文拼音 [chúnhuà]
氯醇化
英文
chlorohydrination-
It is white crystal powder, odorless and slightly bitter ; hardly soluble in ethanol, chloroform, aether and benzene and soluble in solutions whose ph value is less or more than 7
本品在水中易溶，在乙醇、丙酮、氯仿或乙醚中幾乎不溶。本品為兩性化合物，能溶於酸性溶液或堿性溶液。Abstract : the total quantity of perylene quinonoids in hypocrella bambusae ( b. et br. ) sacc., shiraia bambusicola p. henn and culture substance of ascomycetes hypocreacae ( fr ) tul. sp. were determined with spectrophotometric methods. the relative extraction efficiency were studied when ethanol, acetone and chloroform were used as solvents. among them acetone was the best one
文摘:用分光光度法測定了竹紅菌、竹黃和菌寄生菌培養物中?醌類化合物的總量；同時研究了以無水乙醇、丙酮和氯仿為溶劑提取?醌類化合物的相對效率，結果發現以丙酮為溶劑最合適。This product had strong property of separation and recovery of organic dissolvent and vapour, such as ether, ketone, alcohol, thf, dichlorotetra, chlorolform, narkosid, carbon disulfide disulphide, carbon, benzol, gasoline oil, etc
對醚類、酮類、醇類、四氫呋喃、二氯四烷、三氯甲烷、三氯乙烯、二硫化碳、苯、甲苯、甲酰、汽油及含汞、含氟烴類有機溶劑和有機蒸氣有很強的分離、回收性能。Grounding of working platform, searing - iron, lead - cutting machine, stannum oven or auto refluence soldering equipment, must be led into earth at least 1 meter deep by thick iron cord, and fasten a big iron dollop at the end of iron cord
當用化學品清洗膠體時必須特別小心，因為有些化學品對膠體表面有損傷並引起褪色如三氯乙烯丙酮等。可用乙醇擦拭浸漬，時間在常溫下不超過3分鐘。Ethanol for pesticide residue and polychlorinated biphenyl analysis
殺蟲劑殘留物和多氯化聯苯分析用乙醇A control study of blood serum no levels in schizophrenic patients with clozapine or haloperidol treatment
氯氮平與氟哌啶醇對血清一氧化氮含量的影響In this paper, glycidyl ether, which was high epoxide value and low viscosity, was synthesized from 2 - trimethylene glycol, epichlorohydrin and the normal butyl alcohol by phase transfer catalyst based on the orthogonal experiment design
摘要採用1 ， 2 -丙二醇、正丁醇和環氧氯丙烷為原料，在相轉移催化劑的作用下反應，通過正交實驗合成了的高環氧值、低粘度的混合醇縮水甘油醚。Catalytic synthesis of benzaldehyde ethylene glycol acetal by cerous chloride heptahydrate
氯化鈰催化合成苯甲醛乙二醇縮醛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。Using bf3 - et2o as a catalyst, the title compound was synthesized from allyl alcohol and epichlorohydrin by a series reaction included addition and cyclization
烯丙醇和環氧氯丙烷在三氟化硼乙醚絡合物的催化作用下進行加成和環化反應制得標題化合物。Tao feng changzhou chemical company located in the jiangsu international plastics city, is in changzhou city, the river additives ltd. and jurong city tao reagent production plant product sales window, the major products : toluene, pure benzene, xylene, n - octanol, ethyl acetate, acetic acid small fat, silicone oil, aniline, poly - succinimide, benzene triazole derivatives, isopropanolamine, ethanolamine, alkylation two aniline, scale inhibitor, promoting agents, antioxidants, ppd, defoamer, metal deactivator, hx - 3308 scale and corrosion inhibitor, hx03 - 12 diesel flow improver, parathion octyl - zinc chloride bridge acid, chlorine bridge anhydride, chlorobenzene, double - dicyclopentadiene, norbornene anhydride
常州濤峰化工有限公司座落在江蘇國際塑化城，是常州市夏溪助劑有限公司和句容市龍濤試劑廠生產的產品的銷售窗口，主要經營產品：甲苯、純苯、二甲苯、辛醇、乙酸乙脂、乙酸丁脂、硅油、二苯胺、雙聚丁二酰亞胺、苯三唑衍生物、異丙醇胺、乙醇胺、烷基二苯胺、防垢劑、促進劑、抗氧劑、降凝劑、消泡劑、金屬鈍化劑、 hx - 3308阻垢緩蝕劑、 hx03 - 12柴油流動改進劑、硫磷丁辛基鋅鹽、氯橋酸、氯橋酸酐、氯苯、雙聚環戊二烯、降冰片烯二酸酐等。Manufacturer of organic chemicals including maleic anhydride, fumaric acid, tetrahydrophthalic anhydride thpa, hexahydrophthalic anhydride hhpa, malic acid and acrylamide
-生產有機氟系列氯芐系列芳香醇醛酸酯醚酚系列等精細有機化學品，包括公司簡介產品介紹等Comparison of repeatability of mice liver pathological damage model induced by ccl4 and alcohol by gavage
四氯化碳與乙醇經口所致小鼠肝損傷病理模型重現性的比較Essential oils, perfumery isolates and synthetics for export. determination of linalool. dimethyl aniline acetyl chloride method
出口芳香油單離和合成香料芳樟醇的測定.二甲基苯胺-氯化乙酰法Use as solvent : synthetic resin, pesticide, polyhydric alcohol, marking ink, coatings and iodine
注：溶於水甲醇乙酸乙酯乙醇二氯甲烷烴碳氫化合物。The products such as chemical intermediate, methyl alcohol, synthetic ammonia, dimethyl carbonate and pvc resin are all being mainly developed
重點發展化學中間體、甲醇、合成氨、碳酸二甲脂、聚氯乙烯樹脂等。According to the polarity, the residue was isolated with petroleum ether, chloroform, ethyl acetate, and n - buoh, respectively. the n - buoh fraction, confirmed as neuroactive component, was subjected to sephadex lh - 20 column chromatography to provide an extract fraction, as a buff powder, which could induce neurite outgrowth in rat pheochromocytoma pc12 cells in a dose - dependent manner up to 50 mg / l
將菟絲子乾粉用75乙醇浸泡后，減壓蒸干后得到褐色漿狀物，經石油醚、氯仿、乙酸乙酯、正丁醇萃取，經柱層析后，再用葡聚糖凝膠對有效成份進一步純化，獲得了菟絲子中能誘導pc12細胞分化的活性組分。A new method on extraction of phenanthrene from crude anthraceneis given, which includes azeotropic dissolution with ethylene glycol, extraction of carbon tetrachloride, treatment of sulfuric acid and ethyl alcohol recrystallization, in the end, the best process is obtained
研究了從粗蒽中提取菲的方法，即用乙二醇對原料進行共沸，以四氯化碳為溶劑並用硫酸處理，最後用無水乙醇重結晶，制定出最佳的工藝路線Abstract : a new method on extraction of phenanthrene from crude anthraceneis given, which includes azeotropic dissolution with ethylene glycol, extraction of carbon tetrachloride, treatment of sulfuric acid and ethyl alcohol recrystallization, in the end, the best process is obtained
文摘:研究了從粗蒽中提取菲的方法，即用乙二醇對原料進行共沸，以四氯化碳為溶劑並用硫酸處理，最後用無水乙醇重結晶，制定出最佳的工藝路線Abstract : based on the react kinetics in the synthesis of chloromethane by the method of hydro - chlorinating methanol in gas - liquid phase and the experiment of cold mould, the technique parameters synthesizing chloromethane were defined. by using advanced process of refinement and condensation, the engineering level of synthesizing chloromethane was greatly enhanced
文摘:通過對氣液相甲醇氯氫化法生產氯甲烷的反應動力學及冷模試驗的研究分析，確定氯甲烷合成的工藝參數，同時採用了先進的產品精製及冷凝技術，使氯甲烷生產水平產生了質的飛躍。分享友人