高二烯 的英文怎麼說

中文拼音 [gāoèr]
高二烯 英文
homodiene
  • : Ⅰ形容詞1 (從下向上距離大; 離地面遠) tall; high 2 (在一般標準或平均程度之上; 等級在上的) above...
  • : Ⅰ數詞(一加一后所得) two Ⅱ形容詞(兩樣) different
  • : 名詞[化學] (有機化合物的一類) alkene; olefince
  • 高二 : grade two of high school
  1. Energetic materials for defense. physical - chemical analysis and properties. diphenylamine of single and double base materials with dinitrotoluene or ethylene glycol dimethracrylate. method by liquid chromatography

    國防用能材料.物理-化學分析及特性.含三硝基甲苯或乙甲基丙酸酯的單基和雙基材料的苯胺.液相色譜法
  2. Energetic materials for defense. physical - chemical analysis and properties. diphenylamine of single and double base materials without dinitrotoluene, ethylene glycol dimetracrylate. method by liquid chromatography

    國防用能材料.物理-化學分析及特性.不含三硝基甲苯及乙甲基丙酸脂的單基和雙基材料的苯胺.液相色譜法
  3. We have calculated one - and two - photon absorption cross sections of the lowest excited states of a series of molecules combined with benzene, stilben, thiophene as center attached with amine, diphenylamine, diethylamine as electron - donor and nitryl as electron - acceptor ; the effects of molecular length, n center and electron - donor on two - photon absorption cross sections have been studied and all calculations have been carried out using the density functional theory at an ab initio level. it is found that the molecular length and the one - photon absorption intensity are quite strongly c orrelated factors, and that a corresponding correlation for the two - photon absorption is decreasing. it is also found that a most crucial role for the two - photon absorption is played by the n center

    我們分別以苯、苯乙、噻吩為中心,氨基、苯氨基和乙氨基為電子給體,硝基為電子受體組合形成的分子為研究對象,在從頭計算的水平上用密度泛函理論計算了這些分子在低激發態下的單、雙光子吸收強度,重點研究了分子的長度、中心和給體的供電子能力對分子單、雙光子吸收的影響。研究結果表明,分子長度與單光子吸收強度之間有密切關系,而在雙光子吸收中這種關系較弱;中心在雙光子吸收中具有重要的作用;在中心和受體一定的情況下,增加給體的供電子能力,可提雙光子吸收強度。
  4. Bbca ( suzhou ) biochemical is a high - technical biological enterprise, has the first production line with 20, 000tons / year capacity which using agricultural material of starch source such as corn to produce ethene, ethylene oxide and glycol in china

    宿州生化擁有我國第一條以玉米等澱粉質農作物為原料生產2萬噸/年乙、環氧乙烷、乙醇的生產線,是生物技術企業。
  5. A novel ring - enlargement oxidation of polyphenyl substituted cyclopentadienes in air ( or molecular oxygen ) promoted by perchloric acid was described, in which an oxygen atom was inserted into the cyclopentadiene - ring, forming a six - membered pyrylium salts

    摘要報導了空氣(或氧氣)存在的條件下,由氯酸引發多苯基取代環戊發生新穎的碳碳鍵斷裂擴環反應,在此反應中,氧原子插人到環戊環中形成相應的六元環吡喃鹽類化合物。
  6. 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 -( 2 , 6 -甲基苯基) 2 -四氫咪唑基苯亞甲基三苯基膦氯合釕( 7 )和吡啶反應生成無膦型金屬釕卡賓化合物1 , 3 -( 2 , 6 -甲苯基) 2 -四氫咪唑基苯亞甲基2 -吡啶基氯合釕( 8 ) , 8作為效催化劑用於丙腈和丙基苯的交叉交互置換反應。
  7. The article analyze the concrete drying shrinkage mechanism, find the major factors of affecting the drying shrinkage, analyze the lack of shrinkage reducing agent, who be of low molecular weight and line chain, design a new shrinkage reducing agent ? ? shrinkage reducing agent of poly - acrylate. the shrinkage reducing agent of poly - acrylate is mainly composed of crylic acid 、 cinnamene 、 poly - glycol 、 solicitating agent 、 chain transferring agent and activator, which come by these processes of polymerization 、 esterifing and neutralization to form a pectinate polymer, which have a high molecular weight and many poly - oxidative alkenes

    論文分析了混凝土乾燥收縮的機理,確定了影響乾燥收縮的關鍵因素,分析已有低分子量的、直鏈型減縮劑的不足,設計了一種新型的減縮劑? ?聚丙酸鹽類減縮劑,其主要由丙酸、苯乙、聚乙醇、引發劑、鏈轉移劑、催化劑等經過聚合、酯化和中和反應,生成一種分子量的、含聚氧化鏈的聚合物。
  8. Polyvinylidene chloride ( pvdc ) is a thermal unstable polymer and can be used as a prefabricate of new kind of functional material

    摘要聚偏氯乙是一種熱不穩定性的分子材料,可作為制備含碳材料的前驅體。
  9. Using diethanolamine as aminating agent and glacial acetic acid as neutralizing agent, aminated epoxy acrylic cationic resin was prepared. the effect of technology of aminated epoxy acrylic resin on properties of eletrodeposition was studied by conductivity meter and electrophoresis apparatus. it was shown that, conductivity firstly decreased, and then increased with aminating temperature increase. in contrast with putting polyacrylic resin into thin acetic acid solution, the more compact film could be achieved by neutralizing polyacylic resin with glacial acetic acid and then add it into water. when neutralizing temperature was enhanced, the speed of electrodepsidon was found to increase, and the film was also more compact. increasing the dn leads to enhanced conductivity and smaller particle size. when dn equaled to 80, the smoothest film could be achieved

    乙醇胺為胺化劑、冰醋酸為中和劑,合成了胺化環氧丙酸陽離子樹脂.採用電泳儀和電導率儀,研究了胺化環氧丙酸樹脂合成工藝對陰極電泳塗料電沉積性的影響.結果表明,隨著胺化溫度的增加,電泳液電導率先下降後上升.將冰醋酸加入樹脂中中和,後用水稀釋,比樹脂在醋酸稀溶液中中和,電沉積性能更好.電沉積速率隨著中和溫度的上升而增加,電沉積膜緻密性相應增加.中和度( dn )愈,電泳液電導率愈大,粒徑越小,而塗膜外觀在中和度為80時達到最佳
  10. The experimental results further demonstrate that the combination of incompatibility polydimethylsiloxane and polyacrylate by co - vulcanization improves the both compatibility and broadens the low temperature and high temperature functional region. while in sin, to improve microphase structures and damping properties, the design to increase compatibility between two compositions and modulate crosslinking density as well as relative reaction rate of two compositions, is also effective

    以上實驗結果表明,在復合橡膠阻尼材料中將聚硅氧烷與聚丙酸酯通過共混硫化相結合,改進了者的相容性,拓寬了其阻尼功能區的低溫和溫溫域;而在sin中通過改善組四川大學博士學位論文分間相容性,調節交聯密度控制其微相結構和兩種組分相對反應速度的快慢,進而控制材料阻尼性能的設計是行之有效的。
  11. In attempt to prepare and investigate the novel high - performance electrically conductive polymer composites, the binary and multicomponent electrically conductive nanocomposites as well as the combined nano and in - situ composites were prepared with polypropylene ( pp ) served as the matrix, expanded graphite ( eg ) as a conductive filler, nylon 66 ( pa66 ) as a modifier, and maleic anhydride grafted polypropylene as an eg intercalater and the compatibilizer of pp - pa66, based on the state - of - art development in the realm of polymer / inorganic nanocomposites and polymer / polymer in - situ composites domestically and overseas. the main outcomes are obtained as follows : 1

    本論文以制備和研究新型性能聚合物導電復合材料為目的,跟蹤和借鑒國內外在聚合物無機物納米復合、聚合物聚合物原位復合領域的最新研究成果,制備和研究了以聚丙( pp )為基體、膨脹石墨( eg )為導電填料、尼龍66 ( pa66 )為改性劑、馬來酸酐接枝聚丙( gpp )為eg插層劑和pp ? pa66增容劑的元及多元導電納米復合材料和納米復合與原位復合組合復合材料,取得了以下主要研究成果: 1
  12. A super acylation catalyst, 4 - dimethylamino pyridine ( dmap ), was prepared and used to synthesize cholesteryl ester compounds. four kinds of cholesteryl ester compounds such as cholesteryl p - alkoxyl benzoate, cholesteryl dicarboxylate, cholesteryl lumequeic ester and coattail - like cholesteryl ester were synthesized by acylation method and super acylation catalyst method. chemical structures and liquid crystal behaviors of the synthesized samples have been characterized by using element analysis, ftir, dsc and polarized microscopy with a hot stage

    本文合成了效酰化催化劑4 -甲基氨基吡啶( 4 - dimethylaminopyridine , dmap ) ,採用酰氯化法和效酰化催化劑法分別合成了對烷氧基苯甲酸膽甾醇酯、對稱脂族羧酸膽甾醇酯、酸膽甾醇酯及燕尾型膽甾醇酯四類膽甾醇酯衍生物,並進行了化學結構和液晶性能的表徵。
  13. The results of lauryl sodium sulfate - polyacrylamide gel electrophoreses ( sds - page ) of the aggregate precipitate and supernatant and the result of high - performance size - exclusion chromatography of the supernatant indicated that, by wrongly linked intermolecular disulfide bonds soluble bi - molecular and tri - molecular egg white lysozyme aggregate could be simultaneously formed except being renatured to native and active egg white lysozymes during the refolding procedure of denatured - reduced egg white lysozyme ; the aggregate precipitate could be further formed by the non - covalent bonds interaction between the soluble hi - molecular egg white lysozyme aggregates, and the soluble tri - molecular egg white lysozyme aggregate could still stay at the supernatant

    沉澱和上清液的不連續十烷基硫酸鈉聚丙酰胺凝膠電泳( sds - page )和效凝膠排阻層析分析結果表明,還原脲變性蛋白溶菌酶在稀釋復性過程中除了能夠復性成天然態蛋白溶菌酶分子外,還會形成可溶的蛋白溶菌酶分子聚體和三聚體,聚體和三聚體主要是靠分子間硫鍵的錯配連接而成的;可溶的蛋白溶菌酶分子聚體之間通過非共價鍵相互作用而形成集聚體沉澱,而可溶的三聚體溶菌酶分子則仍處于復性液上清液中。
  14. Abstract : the allylation reactions of hydrates of - keto aldehydes and glyoxylates by diallyltin dibromo were carried out in water to give - keto and - ester homoallylic alcohols in good to excellent yields

    文摘:在水相中, -羰基水合醛及水合醛酯與丙基錫作用可較產率地生成-羰基和-酯基丙基醇
  15. Synthesis of star - high vinyl polybutadiene

    星型基聚丁的合成
  16. From experimental result, i preliminarily know that eps is good thermal insulation material because the absorption of water is low and heat insulation is good, it is practicable at preserving temperature field of frozen earth roadbed and bringing frozen disaster under control ; second, according to the analysis of the eps that is applied into practical project, i have studied the practical effect which eps preserve roadbed temperature field, and the influence that was made after building field. i have get that eps can influence moisture content and frozen upper limit, through practical measuring data, i have studied freezing and expanding quantity and melting and submerging quantity during a complete frozen and melting cycle as well as have expanded and proved the practical application effect of eps with some reference significance to deep research of some connected problems. finally, through computer data analysis, setting up the analytical model of finite unit, i have simulated the temperature field of roadbed heat preservation, then expounded and proved that the height of embankment influenced the effect of thermal insulation material

    其一是對聚苯乙泡沫塑料( eps )保溫板以及天然路基土層、路堤填料進行了室內試驗分析,結合國內外現在的有關科研成果,綜合確定其各項特徵參數;從試驗結果初步認識到聚苯乙泡沫塑料是一種吸水率低,隔熱性好的保溫材料,在凍土路基溫度場的保護和凍害治理方面是可行的;其通過eps保溫板在現場工程實踐中的應用分析,研究了保溫板在保護路基土層溫度場的實際效果以及修築路堤后造成的影響,保溫板對土體含水量、凍結上限的影響,通過實測資料,研究了在一個完整的凍融周期內整個路基的凍脹量和融沉變形量,論證了保溫板的實際應用效果,對有關問題的進一步研究和相關工程設計具有參考意義;其三,通過計算機數值分析,建立有限元分析模型,對保溫路基的溫度場進行了模擬計算,論證了路堤度對保溫材料效果的影響。
  17. Compared with the common cultivation, the contents of carotenoid, phenylalanine, products of browing reaction and neophytadiene were greatly increased in every treatment

    並使煙葉中性致香物質總量增加,類胡蘿卜素類、苯丙氨酸類、棕色化產物、新植等致香物質含量均較對照有很大提
  18. “ when we looked at distance from the ship channel we find data that suggests there is an association with chemicals in the air and childhood leukemia, ” said ann coker, professor of epidemiology at the uniersity of texas school of public health in houston

    依照休斯頓城(其為此項研究提供資金)的聲明:這項研究發現,在船道的石油化工企業2英里之內的1 , 3 -丁的濃度升,居住在此區域內的兒童急性淋巴細胞白血病其發病率比那些居住在10英里之外的兒童增加了56 % 。
  19. Product use : catalysis, regeneration gas filtering, hydrogenation, oil filtering ; ethylene, propylene, butadiene, toluene, dimethylbenzene, benzene, ethanol, impregnant, natural gas, macromolecule polymer, pharmacy, metallurgy, sewage treatment, etc

    產品用途:催化、重整裝置再生氣過濾;加氫精製、各類油品過濾;乙、丙、丁、甲苯、甲苯、苯、乙醇、溶劑、天然氣、分子聚合物、制藥、冶金、水處理等等。
  20. Protein a and styrene - butadiene - styrene ( sbs ) were selected as sensing membrane to cross iink antibodies ; sbs, poiyvinyi chloride ( pvc ) and poiystyrene ( ps ) are polymers and have many advantages such as easiiy obtained, convenientiy forming membranes and easi1y modified by the introduction of other functional groups. pvc. ps and sbs were used as precoating materials for immobiiizing antibody in our experiment

    選擇了兩種固定生物大分子的敏感膜:首先,從具有原料易得,成膜方法簡單,可以進行表面改性等優點的聚氯乙、聚苯乙、聚苯乙-丁-苯乙共聚物三種分子中選擇出成膜迅速、均勻、膜的穩定性好、響應迅速、而且易於控制塗層厚度等優點的聚苯乙
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