縮合化合物 的英文怎麼說
中文拼音 [suōgěhuàgěwù]
縮合化合物
英文
condensation compound-
Under acid condition open chaining crown ether diaromatic aldehyde can react, and they will synthesize a compound of chaining crown ether diaromatic aldehyde thiosemi - carbazone kind
摘要鏈狀冠醚二芳醛在酸性條件下與氨基硫脲反應,合成了鏈狀冠醚二芳醛縮氨硫脲類化合物。Tannin acyl hydrolase ( tannase ) is an enzyme that hydrolyzes the ester bonds of tannic acid to produce gallic acid and some other compounds. tannase is widly used in beverage, food, leather and chemical industry
單寧酶( tannase )是一種水解酶,能夠水解沒食子酸單寧中的酯鍵和縮酚酸鍵,生成沒食子酸和其它化合物。Synthesis and biological activities of - triazole - acetone semithiocarbazone
三唑基取代酮縮氨基硫脲類化合物的合成及生物活性A facile method for the preparation of 10 - arylmethylene anthrone is reported. when anthrone react with aryl aldehyde in the presence of pyridine by using xylene as the solvent, besides 10 - arylmethylene anthrone derivatives we found other oxygenated anthrone which have not been reported. physical methods shows that the oxygenated anthrone is anthraquinone, and the anthraquinone cannot be removed from the condensed products by recrystallization with solvents. an effective method of getting ride of anthraquinone is sublimation by heating
以蒽酮和芳香醛為原料,二甲苯為溶劑,吡啶催化法制取10 -芳香基甲叉基蒽酮.發現其生成物中除含有目標化合物10 -芳香基甲叉基蒽酮外,還含有部分文獻中沒有報道的蒽酮氧化物,經物理方法確定其為蒽醌.該化合物不能用溶劑重結晶的方法將其從縮合產物中除去,有效的分離方法是升華Synthesis of benzyl acetate using solid superacid s2o82 - zro2 - cr2o3 as catalyst
微波輻射條件下季戊四醇雙縮醛和雙縮酮化合物的合成Cetane improver. makes the engine run better at higher compression settings
碳氫化合物的改進物。使引擎在高壓縮比時運轉較為順暢。By compressing a monolayer film, the coexistence of liquid condensed ( lc ) and liquid expanded ( le ) phases can be reached. the transition from le to lc is usually regarded as a first - order one, so the theory of crystallization can be applied. in this article we review our recent studies on the growth of lc domains in the le - lc coexistence region driven by the illumination of a fluorescent microscope. the mechanism of this unusual 2d domain growth phenomenon is discussed. the formation of faceted, dendritic and fractal - like domains as well as the evolution and the transition of these patterns are investigated
當處于氣液界面的類脂類化合物的單分子膜被壓縮時,隨著分子間距的縮小,單分子膜將經歷一系列相變過程.通過熒光顯微術可以觀測到新相的成核和生長過程.由於單分子膜的二維特性,該系統中的實驗觀測對于檢驗和發展二維界面生長理論尤為重要.本文總結了近年來本課題組與相關單位合作,在單分子膜系統中發現的實驗現象以及對其生長機制的系列研究.內容包括對單分子膜系統中的成核、界面穩定性、枝晶生長、形態演變等的觀測和分析Abstract : by compressing a monolayer film, the coexistence of liquid condensed ( lc ) and liquid expanded ( le ) phases can be reached. the transition from le to lc is usually regarded as a first - order one, so the theory of crystallization can be applied. in this article we review our recent studies on the growth of lc domains in the le - lc coexistence region driven by the illumination of a fluorescent microscope. the mechanism of this unusual 2d domain growth phenomenon is discussed. the formation of faceted, dendritic and fractal - like domains as well as the evolution and the transition of these patterns are investigated
文摘:當處于氣液界面的類脂類化合物的單分子膜被壓縮時,隨著分子間距的縮小,單分子膜將經歷一系列相變過程.通過熒光顯微術可以觀測到新相的成核和生長過程.由於單分子膜的二維特性,該系統中的實驗觀測對于檢驗和發展二維界面生長理論尤為重要.本文總結了近年來本課題組與相關單位合作,在單分子膜系統中發現的實驗現象以及對其生長機制的系列研究.內容包括對單分子膜系統中的成核、界面穩定性、枝晶生長、形態演變等的觀測和分析For example, it can be used to desalinate sea water or brackish water, to remove salt in the process of concentrating solutions, to prepare inorganic compounds electrolytically, to recover and to purify radioactive elements, to soften and desalinate water for boiler, and to process industrial products in metallurgy, coal, electronics, pharmaceuticals, chemical engineering, food and other industries
例如海水,苦鹹水的淡化,溶夜的脫鹽濃縮,電解製作無機化合物以及放射性元素的回收提純,鍋爐水的軟化脫鹽,電子、醫藥、化工、食品、煤炭、冶金等工業品處理。Layered and pillared material are a kind of multifunctional material which were developed in recent years, much attention has been paid to this kind of material for its application in ion - exchange catalysts solid state proton conductivity, nonlinear optics and physic. a lot of literature have reported the intercalation behavior of a - zirconium phosphate ( abbreviated as a - zrp ), different guest molecules inserted into a - zrp have been studied in detail, those guest molecules include amine, alcohok amino acid protein, enzyme coornadiate compound and coronal compound. the intercalation guest is restricted by their size and basicity
層柱材料是近年來發展起來的一類多功能材料,由於其在離子交換、催化、固態質子導體、非線性光學以及醫學等方面的廣泛應用而受到國內外研究者的重視,大量文獻報道了-磷酸氫鋯zr ( hpo _ 4 ) _ 2 ? h _ 2o ( - zirconiumphosphate ,縮寫為- zrp )的超分子插層化合物及插層性能,其中對不同的客體分子對磷酸鋯的嵌入做了詳細的報道,客體分子的種類包括氨、醇、氨基酸、蛋白質、酶、配合物、冠狀化合物等。Methods linezolid was prepared by the steps of substitution, reduction, acylation and condensation with biacetyl compond from the starting material 3, 4 - difluoronotrobenzene
方法以3 , 4 -二氟硝基苯為原料,經取代、還原、酰化、再與側鏈雙乙酰化合物縮合得到目標化合物。The group includes flavonoids, benzophenones, some coumarins, lignans, condensed tannins, and stilbenes.
這一組中包括黃酮類化合物,二苯甲酮、一些香豆素、木質素、縮合單寧和芪。The condensation of aromatic aldehyde with active methylene compounds in water
水溶劑中羰基與活性亞甲基化合物的縮合反應Sodium plays a number of vital roles in the human body, contributing to the metabolizing of protein and carbohydrates, the transmission of nerve impulses, muscle contraction, hormone regulation, consumption of oxygen by cells, control of urine production, thirst, and the production of liquids ( blood, saliva, tears, perspiration, gastric juices, and bile )
鈉擔任人體維持生命所必需的角色,貢獻為蛋白質和碳水化合物的代謝、神經沖動傳輸、肌肉收縮,調節內分泌,細胞氧的消耗,控制尿的生成、乾渴,和液體(血液、唾液、眼淚、汗水、胃汁液和膽汁)的產生。Practice for compression molding test specimens of thermosetting molding compounds
熱固性模塑化合物壓縮模塑樣品的實施規程Highly concentrated silicon based emulsifier. it is effective with man aqueous foaming systems, producing particular long - term durability with alkaline systems. most effective without foam formation
本品由濃縮矽化合物乳化而成,可消除各種水質泡沫,不起化學作用,不會形成污物,是消除不便泡沫最有效的經濟產品。The neutral bio - oi1 can be separated into three fractions : the fraction washed down by cyclohexane ( c1 ) mainly contains aromatics with up to four rings ; the fraction washed down by benzene ( c2 ) mainly contains alkyl - substituted aromatic hydrocarbons and polyphenols ; and the fraction washed down by methanol ( c3 ) mainly contains ester polar components
中性油層析分離為3個餾分:環己烷洗脫餾分( c1 )主要為四環以下純縮合化合物;苯洗脫餾分( c2 )主要由單環烷基芳烴和多酚組成;甲醇洗脫餾分( c3 )主要是酯類極性化合物。Synthesis and test on the acetal compounds from pheromone of tomicus piniperda
松小蠹信息素乙縮醛類化合物的合成及其趨性測定They are polymers derived either from carbohydrates and phenolic acids by condensation reactions, or form flavonoids
它是從碳水化合物或酚酸中濃縮而來,也可由類黃酮衍生。This effort may have been a " scam " operation, and there is no credible evidence al - qa ida actually acquired the uranium. al - qa ida has been the victim of other nuclear " scams " in the past, but it probably has become sensitized to such operations in recent years, in part due to media coverage of nuclear smuggling and scam operations
的調查結果認為,伊朗未報告鈾化合物的進口和化學轉換,從經幅照的鈾靶中分離出鈈及使用離心機和激光濃縮鈾等情況,也未提供有關其眾多的燃料循環設施的設計情況。分享友人