烯丙基化作用 的英文怎麼說
中文拼音 [xībǐngjīhuàzuòyòng]
烯丙基化作用
英文
allylation-
The results suggested that the ph value, the type of monomers, the type, concentration and surface properties of inorganic nanoparticles, the type and concentration of emulsifier have a great influence on the encapsulating emulsion polymerization and the obtained latex stability. if selecting cationic emulsifier ( ctab ), low water soluble monomers ( such as ba, st ) and hydrophobic nano - silica, the inorganic nanoparticles would be encapsulated by polymers through ultrasonic irradiation successfully under alkalescent condition
系統研究了ba 、甲基丙烯酸甲酯( mmal苯乙烯舊t )以及它們的共聚體系在超聲輻照作用下包裹聚合的主要影響因素,結果表明: ph值、單體的種類、無機納米粒子的種類、濃度及表面性能、乳化劑的種類及濃度等對超聲輻照包裹乳液聚合以及復合體系的穩定性有較大的影響。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。The free - phosphine carbene ruthenium complex [ 1, 3 - bis ( 2, 6 - dimethylphenyl ) - 2 - tetrahydroimidazol [ ( c5h5n ) 2 ( cl ) 2ru = chph ( 8 ) was prepared by the reaction of [ 1, 3 - bis ( 2, 6 - dimethylphenyl ) - 2 - tetrahydroimidazol ] ( pph3 ) ( cl ) 2ru = chph ( 7 ) with pyridine and used as a highly effective catalyst for the cross metathesis of acrylonitrile with allylbenzene
摘要設計了由1 , 3 -二( 2 , 6 -二甲基苯基) 2 -四氫咪唑基苯亞甲基三苯基膦二氯合釕( 7 )和吡啶反應生成無膦型金屬釕卡賓化合物1 , 3 -二( 2 , 6 -二甲苯基) 2 -四氫咪唑基苯亞甲基2 -吡啶基二氯合釕( 8 ) , 8作為高效催化劑用於丙烯腈和烯丙基苯的交叉交互置換反應。In addition, the biosensor could be used for the detection of benzoic acid. the choline oxidase electrode based on polyaniline / polyacrylonitrile composite film showed sensitive and stable bioelectrochemical response to choline, which was influenced by ph, working potential and temperature
研究發現,基於聚苯胺/聚丙烯腈復合膜的膽堿氧化酶電極對膽堿具有靈敏和穩定的生物電化學響應,被測溶液的ph值、工作電位、使用溫度等對酶電極的響應有一定的影響。Ppsa and tkta are the key genes in central metabolism of aromatic amino acids biosynthesis. ppsa encoding phosphoenolpyrucate synthetase a ( ppsa ) which catalyzes pyruvate into pep ; tkta encoding transketolase a which plays a major role in erythrose - 4 - phosphate ( e4p ) production of pentose pathway
Ppsa基因編碼磷酸烯醇式丙酮酸合成酶a ( ppsa ) ,該酶催化丙酮酸合成磷酸烯醇式丙酮酸; tkta基因編碼轉酮酶a ,該酶在磷酸戊糖途徑中生成4 -磷酸赤蘚糖起主要作用。The prepn. of dimethyldiallylammonium chloride monomer and the related polymers was summarized, and the use of the derivatives in text, dyeing and printing as antistatic, color fixing and flocculating agents were presented
摘要簡述了二甲基二烯丙基氯化銨單體及其相關聚合物的制備方法,介紹了聚二甲基二烯丙基氯化銨及其衍生物產品在紡織印染行業中作為抗靜電劑、固色劑和絮凝劑的應用。In this paper, a new class of concrete high performance water reducer ( hpwr ) was designed from chemical classification of high performance wra, working principle and unit structure model of poly - carboxylate series wra. the comb - like copolymer structure of hpwr was " carboxylic group - ether link - ester link ". the synthetic chemical materials was polyethylene glycil, acrylic acid and methyl - metacrylic acid ester
本文從高性能減水劑的化學結構、作用機理以及聚羧酸類減水劑的單元結構模型出發,設計出國內所沒有的一類新型高性能減水劑? ? 「羧酸?醚鍵?酯鍵」為單元結構模型的梳型分子結構的減水劑共聚物,並確定了以聚乙二醇( peg )系列、丙烯酸( aa ) 、甲基丙烯酸甲酯( mma )為合成該類減水劑的主要化學原料。The grafted membranes were capable of rejecting an anionic dyestuff. in common with other polyelectrolytes, the conformation of grafted ampsa polymeric chains is sensitive to environmental factors such as ph and ionic strength ( i )
聚丙烯酰胺基甲基丙磺酸為高分子電解質,接枝在膜表面后高分子鏈與溶質分子相互作用,可使接枝鏈構象發生變化,從而改變膜孔徑的大小,使膜具有環境響應。Based on the liquid crystal polymer theory, two kinds of polyacrylates were synthesized by choosing biphenyl group as rigid nucleus of mesophase group and six methylene chain as flexible spacing group. an important chiral additive was synthesized by choosing l ( - ) ~ 2 - octanol as chiral group. mixture was made of the additive and liquid crystalline polymer, which structure was identified by ftit, " ii nmr, dsc and pom
本論文根據液晶分子結構理論,選擇聯苯基作為介晶基元的剛性核、柔性的六亞甲基脂肪鏈為柔性間隔基,與丙烯酸反應,合成了兩種丙烯酸酯型聚合物;以拆分的l ( - ) 2 -辛醇為手性基團合成了一種液晶手性添加劑,並將所合成的手性添加劑與液晶聚合物共混,採用ftit 、 ~ 1h - nmr 、 dsc 、 pom等手段對合成的化合物、共混物進行了表徵。The sjab can be determined in the rang of 0. 32 - 19. 00 ng - ml " 1. ( 3 ) in chapter 3, we reported that the cyclic voltammetric behavior of l - o - allyl - 4 - hdroxy - anthraquinone ( oahaq ) in an aqueous medium and electrochemical characteristic of complex of oahaq and bsa. the complex reaction can be used to probe the interaction between these species and to electrochemical determine bsa
00ug 』 ml 」 』濃度范圍內對r本血吸蟲抗體進行了定量檢測3 )在第3章報導了在l o烯丙基4羥基蔥酮( oahaq )水溶液中加入bsa , omaq的循環伏安行為的變化情況,並可用來探測這些物種之間的相互作用關系以及用During the accelerated thermal aging and ultraviolet radiation aging of pmma which is used as the core materials of fiber in pof, it was found that the relative permittivity of pmma decreased significantly to approximately equal to its square refractive index
摘要實驗中觀察到用作塑料光纖纖芯材料的純有機玻璃(聚甲基丙烯酸甲酯)在加速熱老化和紫外老化過程中其相對電容率急劇下降至大約等於其折射率的平方,即有機玻璃由極性聚合物變為非極性聚合物( 「全去偶極子極化」現象) 。In this paper, the copolymer of am 、 aa and amptac was synthesized in aqueous solution through radical polymerization. its function as water shut off agent was studied, comparing that of anionic polyacrylamide
以丙烯酰胺、丙烯酸和2 -丙烯酰亞胺基- 2 -甲基丙基三甲基氯化銨為原料,以水作溶劑,選用氧化-還原引發體系,合成了一種新型兩性聚合物堵水劑,並與陰離子聚丙烯酰胺對比評價了其堵水性能。分享友人