基酰氧基 的英文怎麼說

中文拼音 [yǎng]
基酰氧基 英文
acyloxy
  • : 名詞[化學] (酰基) acyl
  • : 名詞[化學] (氣體元素) oxygen (o)
  1. Trial and error revealed that it was best to put in the amide before the epoxide.

    嘗試和誤差法表明,最好在環化之前引進
  2. 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、對乙苯磺氨、對氨水楊酸、哆耳瑪托、對苯二酸、二乙苯銨、二化鈦、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 . v
  3. In this thesis, the development of emulsion polymerization theory and related new technologies are comprehensively reviewed, and the synthetic technologies of acrylate latex modified by organosilicon both at home and abroad are also reviewed. based on the current development and research in this field, attentions of this study are focused on three ways for preparing novel acrylate latexes modified by organosilicons, that is, 1 ) the acrylate monomers are copolymerized with unsaturated silicons by emulsion copolymerization ; 2 ) a new latex with microphase separation morphology is synthesized, which shows a core - shell structure character ; 3 ) soap - free polymerization is explored for preparing a higher - performance latex using an unsaturated silicon monomer, different acrylates and a reactive emulsifier. by using techniques of delaying addition of organosilicon monomer and a hydrolysis inhibitor, the hydrolysis and condensation of 3 - ( trimethoxysilyl ) propyl methacrylate during polymerization can be effectively prevented, as a result, organosilicon content in the macromolecular chain is increased

    同時採用有機硅單體延遲滴加及添加水解抑制劑等技術,有效防止了-甲丙烯三甲硅烷在乳液聚合過程中的過渡水解及縮合反應,提高了聚合物大分子鏈中有機硅鏈節的含量;利用紅外光譜與差示掃描量熱儀對產物分子結構進行了表徵,並通過對共聚產物力學和吸水率的測試,證實了本研究所制備的有機硅改性丙烯酸酯共聚物具有比純丙烯酸酯聚合物更優良的力學及耐水性能;從分子設計角度出發,利用醇解反應合成出水解、縮合反應速率較慢的兩種新型不飽和有機硅單體: ?甲丙烯三乙硅烷和?甲丙烯三異丙硅烷;利用核磁共振對新型硅烷單體結構進行了證實;研究表明利用新型硅烷單體可以制備出高硅烷含量的有機硅改性丙烯酸酯乳液,且其聚合產物具有較高的力學及耐水性能。
  4. Synthesis of 7 - hydroxy - 4 - methyl coumarin on stannic chloride anhydrous catalyst

    香豆素的合成
  5. Determination of 3, 5 - dicaffeoyloxy cyclohexane carboxylic acid in erigeron breviscapus by hplc assay

    雙咖啡奎寧酸的含量
  6. ( 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 )用強熒光團2 -氨苯並蒽酮與對烯丙苯甲醛合成了另一種新的schiff堿類化合物,與甲丙烯酸羥乙酯、丙烯胺、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。
  7. The path - way controlling of neptunium in co - decontamination step of purex process, the extraction thermodynamics of amido podand and its usage in recovery of actinides from simulated hllw have been investigated. more than 95 % np were maintained in np ( v ) in 1a extractor and flowed into 1 aw, if enough amount of hno2 was added in feed adjustment and then hno2 scavenger ( urea ) was added before extraction. three kinds of amido podand were synthesized, and the extraction of lanthanides, actinides and some fission products were studied. one of them ( tbopda, n, n, n ', n " - tetrabutyl - 3 - oxa - pantenadiamide ) was used as extractant to recover actinides from hllw. the results of experiments show that more than 99. 99 % actinides were recovered from hllw and separated basically in groups. the main digests are as follows : 1

    鎿走向控制研究中通過調價階段加入亞硝酸、而萃取前清除亞硝酸的獨特辦法可以將大於95的鎿趕入1aw 。合成了三種胺莢醚萃取劑,研究了它們對錒系和裂片元素的萃取熱力學,通過條件實驗選擇了其中一種莢醚tbopda ( n , n , n 』 , n 』 ?四丁? 3 ?戊二胺) ,進行了從模擬高放廢液中分離錒鑭系元素的工藝研究,錒系的回收率大於99 . 99 ,並且本上實現了錒鑭元素的組分離。其要點如下: 1
  8. Synthesis of novel thioureas and thiosemicarbazides containing 1, 2, 3 - triazole

    對甲苯甲硫脲的合成與表徵
  9. Melatonin ( n - acetyl - 5 - methoxytryptamine ) was discovered by a lerner and his colleagues [ l ] as the principal hormone of vertebrate pineal gland, an unpaired appendage of the brain in most vertebrates and named by him after its effects on amphibian melanophore. however, it is now known that many cells and tissues synthesis and the nature of organisms, melatonin is secreted in the night, thus, melatonin is identified as an endocreine index of the darkness and referred to as darkness hormone [ 3 ]. melatonin has aslo been called by other names, such as nature ' s sleeping pill for it role in sleep - wake cycles, and circadian glue for its increasing importance in the regulation of circadian and circannual physiological and behavioural functions, moreover it is also involved in the regulation of the immune respone and various cns activies, in the last decade, considerable attention has been devoted to the pharmacology of melatonin in view of its potential applications in various therapeutic areas

    褪黑素( n -乙- 5 -甲色胺, melatonin ,簡稱mt ) ,由lerner和他的同事們發現[ 1 ] ,后來根據它對兩棲動物黑色素細胞的影響而命名,是脊椎動物松果腺分泌的一種重要激素。松果體在大多數多脊椎動物中是一個孤立的附屬器官。然而,現在眾所周知很多細胞和組織合成mt ,若不考慮合成的位點和機體的屬性, mt在晚上分泌,正因如此, mt被認為是一種黑暗的內源性指標,被稱作黑色激素[ 3 ] 。
  10. Chemical analysis methods and determination of physical performance of alumina determination of vanadic oxide content - n - benzoyi - n - phenylhydroxylamine extraction photometric method

    化鋁化學分析方法和物理性能測定方法苯甲羥胺萃取光度法測定五化二釩含量
  11. Through molecular design, a series of liquid crystalline copolyesters, which possibly possessed the auxetic behavior, were prepared by solution condensation reaction between 2, 5 - bis ( p - alkoxy benzoyloxy ) hydrobenzoquinone, 4, 4 ' - ( decanoxy ) dibenzoyl chloride and 4, 4 ' - dihydroxy - oc, co - diphenoxydecane

    經分子設計,通過2 , 5 ?二(對烷)對苯二酚、 4 , 4 』 ?二羥? , ?二苯癸烷和4 , 4 』 ? (癸二)二苯甲氯之間的縮合反應合成了一系列具有負泊松比潛能的液晶共聚酯。
  12. Abstract : renews in this paper of the surfactant oil based for surface activies agent of anionic ( alcohol sulfate, sulfonata, acetyl cyanamid, and oleie methyl ester sulfonat etc. ) surface a ctivies agent of nonionic ( apg, alcohol polyxyethnyl ether, alkyl polyoxyethnyl alnyl hydroxyl ether etc. ), for technique improvement and develcpment trends

    文摘:綜述了油表面活性劑中陰離子表面活性劑(醇硫酸鹽, -磺酸鹽、氰胺、油酸甲酯磺酸鹽等) ,非離子表面活性劑( apg 、脂肪醇聚乙烯烷醚、烷乙烯烷醚等)的技術進展及今後發展趨勢。
  13. An excellent adhesive was prepared from bismaleimide ( bmi ), epoxy resin ( e - 51 and tde - 85 ), 4, 4 ' - diaminodiphenyl sulfone ( dds ) in this thesis. the influence of liquid rubber and polymer ether imide ( pei ) on the properties ( especially high - temperature strength and the peeling strength ) were discussed, their different toughening characteristics and mechanisms were discussed. last, the process and effection of heat - resisted structural adhesive were studied by adhesive experiment of synchronizer in automobile. the results of investigation made clear : the adhesive, has good properties, especially heat - resisted properity

    根據材料分子設計的原理,研究了二苯甲烷雙馬來亞胺( bmi ) 4 , 4 』 ?二胺二苯碸( dds ) e ? 51 tde ? 85組成的環膠粘劑體系,研究該體系在作為高溫結構膠粘劑使用時的粘接性能;然後研究了用無規羧液體丁腈橡膠( ctbn ? x )和聚醚亞胺( pei )分別來增韌該體系的增韌效果;最後通過碳纖維耐磨材料與同步器圓錐環的粘接實驗,研究了耐高溫結構膠粘劑的粘接工藝和使用效果。
  14. 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

    本文合成了高效化催化劑4 -二甲吡啶( 4 - dimethylaminopyridine , dmap ) ,採用氯化法和高效化催化劑法分別合成了對烷苯甲酸膽甾醇酯、對稱脂族二羧酸膽甾醇酯、烯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。
  15. The preparation of optically active composite is a promising alternative to obtain a kind of new and competitive sensing membrane for fiber optic sensors, and has attracted the global attention. in this thesis, the modified sol - gel sensing membranes based on fluorescence quenching have been prepared by using tetraethoxysilane ( teos ) and dimthyldimethoxysilane ( dds ) as the main material, formamide as the drying control chemical additive ( dcca ), ru ( phen ) 3cl2 and ru ( bpy ) 3cl2 as the indicator. this kind of membranes is crack - free and has low indicator - leaking rate

    本文以四乙硅烷( teos ) 、二甲二乙硅烷( dds )為主要原料,以甲胺為控制乾燥劑,二價釕離子絡合物釕( ) ?聯吡啶( ru ( bpy ) _ 3cl _ 2 )和釕( ) ?菲咯啉( ru ( phen ) _ 3cl _ 2 )為熒光指示劑,採用改進的溶膠凝膠技術,通過添加控制乾燥劑和有機摻雜兩種手段,制備了於熒光猝滅原理的光纖敏感膜。
  16. Usually used in operation in hospital, skin and instrument antisepsis in injection, sterilization, prevent communicate in surgery and dermatology department ; antisepsis for family tableware and implement ; antisepsisand animal illness prevention and cure for food industry and livestock breeding industry and so on

    又因為分子具有胺鍵及吸附多酚分子上的氫從而形成氫鍵,因此,可用作啤酒果酒飲料酒的穩定劑,延長其保質期達三百天,並改善其透明度色澤和味道。
  17. Thionamides class of anti - thyroid drugs ( such as carbimazole, methimazole, and propylthiouracil ) that inhibit thyroid hormone synthesis by interfering with organification

    胺類抗甲狀腺藥物的種類(如卡比馬唑、甲巰咪唑和丙嘧啶) ,此類藥物通過干擾有機化抑制甲狀腺激素的合成。
  18. Asa efficient plant water retention agent ( english name : asa ) : mainly consists of plant extracts, 2 - ( acetoxyl group ) benzoic acid

    高效植物保水劑,英文名: asa ,其主要成份為植物提取物2 - (乙)苯甲酸。
  19. Their fluorescence emission properties were studied and their photolysis kinetics was investigated in different media by means of steady state photolysis method

    考察了其熒光光譜特性,發現甲苯甲亞甲光產堿劑的熒光量子效率較低,而萘甲亞甲光產堿劑較高。
  20. A quantum chemical study on the electrochemical synthesis of sorbic acid precusors

    電化學法合成山梨酸前體乙己烯酸的量子化學研究
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