丙酰化 的英文怎麼說
中文拼音 [bǐnghuà]
丙酰化
英文
propionyl-
( 2 ) in ( no3 ) 3 was dissolved in acetylacetone in the mol ratio of l : 3. they were mixed for about 3 hours to obtain acetylacetone salts. then glycol methyl aether was added in the ratio of 1 : 40 to obtain indium oxide sol. sncl4 was dissolved in glycol methyl aether and then added into the indium oxide sol to prepare transparent and stable ito sol
（ 2 ）通過將銦的無機鹽硝酸銦與乙酰丙酮按摩爾比1 ： 3 ，混合攪拌3h左右得到銦的乙酰丙酮鹽，然後按一定摩爾比加入乙二醇獨甲醚溶液，混合攪拌制得氧化銦溶膠，再將一定量的sncl _ 4溶入乙二醇獨甲醚，摻入氧化銦溶膠制得透明穩定的摻錫氧化銦溶膠（ ito溶膠） ，該溶膠性能穩定，易於成膜。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 . vDetermination for residual acrylamide of polyacrylamide - bromating method
聚丙烯酰胺中殘留丙烯酰胺含量測定方法溴化法In these chloroplasts carbon dioxide combines with phosphoenolpyruvate to form oxaloacetic acid, which is transported to the bundle sheath cells, where the carbon dioxide is released, then fixed by the enzyme ribulose bisphosphate carboxylase to form glycerate 3 - phosphate, the first step in the calvin cycle
在葉肉細胞的葉綠體中二氧化碳與磷酸烯醇丙酮酸結合形成草酰乙酸，后被運到鄰近的維管束鞘細胞，在那裡二氧化碳被釋放，后被核酮糖二磷酸羧化酶固定形成3磷酸甘油酸，這是卡爾文的循環第一步。Abstract : 1 - ( 4 - pyridinyl ) - 2 - propanone, which is the key intermediate of synthesizing the milrinone, a cardiotonic agent, was synthesized from 4 - methyl - pyridine by acetylation in dichloromethane and phase transition catalyzing hydrolysis. the overall yield was 73. 1 %
文摘:報道了以4 -甲基吡啶為原料，經酰化和相轉移催化水解反應制備強心藥物米利酮關鍵中間體1 - （ 4 -吡啶基） - 2 -丙酮的新合成方法，總收率達73 . 1 %Isopropylidene glycerol is prepared by condensation of acetone with glycerol, thereafter it was esterified with octanoyl chloride in pyridine as catalyst, and finally the latter was decomposed with boric acid
摘要以甘油和丙酮為原料制得異丙叉甘油，其與辛酰氯在吡啶催化下酯化，再經硼酸作用下分解得到單辛酸甘油酯。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。( 2 ) an aminobenthiazole schiff base has been synthesized as a new fluorescence carrier by reacting 2 - aminobenthiazole with p - allyoxybenzoldohyde. the new kind of schiff base can be utilized for preparing an optical sensor, used for determining furazolidone based on the fluorescence quenching. aminobenthiazole schiff base immobilized on a glass plate surface by covalent bonding can circumvent the leakage of the fluorephore from the sensor surface and guarantee a relatively long working lifetime
（ 3 ）用強熒光基團2 -氨基苯並蒽酮與對烯丙氧基苯甲醛合成了另一種新的schiff堿類化合物，與甲基丙烯酸羥乙酯、丙烯酰胺、環乙二醇二丙烯酸酯共聚制得光極膜，制備了一種苯並蒽酮schiff堿光化學傳感器，可用於單質碘的測定。6 - phosphogluconate dehydrogenase ( 6 - pgadase, ec 1. 1. 1. 44 ) was isolated by homogenate, ammunium sulfate fractionation, deae - sepharose chromatography, blue - sepharose affinity chromatography and gel filtration with sephadex g - 200 from bacillus subtilis, and some properties of the enzyme had been studied. a 113. 8 - fold purification was obtained with a 8. 2 % yield. the purified enzyme moved as a single electrophoretic band in page
將枯草芽孢桿菌超聲波破壁后的粗提取物進行分段鹽析、 deae - sepharose陰離子交換柱層析， blue - sepharosecl - 6b特異結合柱層析和sephadexg - 200凝膠過濾等純化步驟，得到聚丙烯酰胺凝膠電泳為單一蛋白區帶，比活為1 . 46u mg的酶制劑。Abstract : methanesulfonic acid method was used to prepare five acylated chitins. except heptanoyl chitin, four of them, i. e. acetyl chitin, propionyl chitin, butyryl chitin and hexanoyl chitin, had high degree of substitution ( from 1. 5 to 2. 0 ) and exhibited lyotropic liquid crystalline behavior and cholesteric phase. as the length of the side chain increased the critical concentration ( w / w ) somewhat increased from 0. 21 to 0. 26 because the chain rigidity dropped. the critical concentration values of all the four derivatives were much higher than that of chitin ( 0. 12 ) due to the decrease of intramolecular hydrogen bonds. the four acylated chitin can form typical banded texture after being sheared. there minimum concentrations to form banded texture of them were evidently different, varied from 0. 25 ( for acetyl chitin ) to 0. 37 ( for hexanoyl chitin ). these results further indicated that liquid crystallinity decreased while the length of flexible side substituents increased
文摘:四種羧酰化甲殼素即乙酰化、丙酰化、丁酰化和己酰化甲殼素在二氯乙酸溶液中均呈現膽甾型溶致液晶相.臨界濃度隨側基長度增加而略有增加，衍生物的臨界濃度明顯都比原甲殼素高許多，這些規律都可以用鏈剛性的變化來解釋.四種羧酰化甲殼素在剪切時均能形成條帶織構，而且能形成條帶織構的最低濃度有明顯差別，隨側基長度增加而提高，進一步表明側基較長，液晶性減少First, three isozymic systems ( lactate dehydrogenase ( ldh ), esteraes ( est ), malate dehydrogenase ( mdh ) ) extracted from threepopulations of mandarinfishes were detected by discontinuous vertical plate polyacrylamide gel electrophoresis ( page ). several loci were tested but none polymorphic locus was detected in qiupu river population. the results showed that : ldh can be used as biochemical markers to identify these three populations of mandarinfishes
首先，本試驗採用聚丙烯酰胺凝膠電泳（ page ）對我省三個水域鱖魚群體3種同工酶（ ldh 、 est 、 mdh ）的不同基因座位進行了檢測，結果表明： ldh同工酶可以作為區分秋浦河鱖魚、長江鱖魚兩個群體與萬佛湖鱖魚群體的生化遺傳標記；其次，運用rapd技術分析了三群體鱖魚的基因組dna的多態性。Acylation activity of hydroxyl groups in methyl cholicate has been determined by the use of methacryloyl chloride, methacryloyl anhydride and methacrylic acid as the acylating agents
以甲基丙烯酰氯、甲基丙烯酸酐和甲基丙烯酸作酰化劑，研究了膽酸甲酯分子中羥基的反應活性。They are acrylaldehyde hydration, ethylene oxide formylation and biological zymolysis methods
即丙烯醛水合法，環氧乙烷甲酰化法，生物發酵法。Synthesis and catalytic polymerization for butadiene of propionamide complexes of rare earth chlorides
氯化稀土丙酰胺配合物的合成及其催化丁二烯聚合的研究Immobilization of penicillin g amidase on beaded glycidyl methacrylate copolymer support
青霉素酰化酶在甲基丙烯酸縮水甘油酯共聚物上的固定化The detection of sod activity in native polyacrylamide gel electrophoresis ( page ) electrophoresis also showed the difference in sod activities among various bacterial strains and the bacterial strain 276 had the highest activity of sod, which was consistent with the result detected by photochemical method
利用聚丙酰胺凝膠電泳方法檢測sod的活性，其結果也表明不同細菌菌株的sod活性存在著差異，其中276菌株的sod活性最大，這與利用光化學方法檢測sod活性的結果是一致的。Methods 3, 3 - bis ( dibenzyloxyphosphoiyl ) propionic acid ( 5 ) and ( 6 ) were synthesized from tetraethyl methylene bisphosphonate via hydrolysis, chlorination of the acid, esterification, condensation, then 3, 3 - bis ( dibenzyloxyphosphoryl ) propanol ( 6 ) was obtained via selective reduction of ( 5 )
方法以亞甲基偕二膦酸四乙酯（ 1 ） ?原料經水解、氯膦酰化、酯化、縮合得3 ， 3二（二芐氧膦酰基）丙酸（ 5 ） ，隨后選擇性硼氫化還原得3 ， 3二（二芐氧膦酰基）丙醇（ 6 ） 。Studies of a polyacrylic acid as a carrier for the immobilizat ion of penicillin acylase
聚丙烯酸載體用於青霉素酰化酶的固定It is mainly used as an important pharmaceutical and pesticide intermediate. it is also used as an intermediate of crylicacid resin and anefficient solvent
作為醫藥、農藥、丙烯酸樹脂中間體，化學反應酰化劑，蘭金循環介質，取暖採暖熱泵工作流體，還是一種重要溶劑。Method for determination of clopidolresidues in poultry meat for export. propionylation - gas chromatography
出口禽肉中二氯二甲吡啶酚殘留量檢驗方法.丙酰化-氣相色譜法分享友人