過酸酯基 的英文怎麼說

中文拼音 [guòsuānzhǐjī]
過酸酯基 英文
perester radical
  • 過 : 過Ⅰ動詞[口語] （超越） go beyond the limit; undue; excessiveⅡ名詞（姓氏） a surname
  • 酸 : 酸構詞成分。
  • 酯 : 名詞[化學] （有機化合物的一類） ester
  1. Nitrous esters can react with alkyl peroxides to yield alkyl nitrates.

    亞硝酸酯與過氧化烷基反應，得到烷基硝酸酯。
  2. First, a terminal double bond was introduced into 3 - amino - 9 - ethylcarbazole ( aec ) via methacryloyl chloride to obtain the compound, 3 - ( n - methacryloyl ) amino - 9 - ethylcarbazole ( mec ). second, mec was copolymerized with butyl methacrylate to prepare the mec - immobilized polymer particles. the resultant polymer particles were used as a fluorescence probe, which was almost free of dye leaching, and had higher photostability in comparison with free aec

    首先利用甲基丙烯酰氯向3 -氨基- 9 -乙基咔唑（ aec ）分子中引入末端雙鍵，得到帶末端雙鍵的熒光指示劑3 - （ n -甲基丙烯酰基）氨基- 9 -乙基咔唑（ mec ） ，然後通過乳液聚合技術將mec共價固定到聚甲基丙烯酸丁酯基體上，制得一種共價固定了mec的聚合物顆粒。
  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-甲基丙烯酰氧基丙基三甲氧基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： ?甲基丙烯酰氧基丙基三乙氧基硅烷和?甲基丙烯酰氧基丙基三異丙氧基硅烷；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. This method, however, involves using a large excess of diethyl carbonate ( for example, 4 - 8 mols. ) ; it also involves preparing sodium ethylate by dissolving sodium metal in ethanol, which process must be carried out very slowly and carefully if it is to be used on a manufacturing scale

    但是這一方法涉及到使用大量過量的二乙基碳酸酯（例如， 4 - 8摩爾） ；同時也涉及到在乙醇中溶解納來制備乙醇納的反應，這個過程必須非常緩慢小心地進行，如果在工業生產級別上是用這一方法就比較麻煩了。
  5. The process provides a facile way of producing hydrocarbl perchlorate from alkenes, cycloalkenes, aralkenes, alkanols, cycloakanols and aralkanols.

    本文介紹了從鏈烯、環烯、芳鏈烯、鏈烷醇、環烷醇、芳烷醇來制備過氯酸烴基酯的方便方法。
  6. The process provides a facile way of producing hydrocarbyl perchlorates, from alkenes, cycloalkenes, aralkenes, alkanols, cycloalknols and aralkanols.

    本工藝程序提供了從鏈烯、環烯、芳鏈烯、鏈烷醇、環烷醇、芳烷醇來制備過氯酸烴基酯的方便方法。
  7. This invention relates to the manufacture of phenyl and phenyl ethyl malonic esters and more particularly to the manufacture of dialkyl phenylmalonates and compounds are useful as intermediates in the manufacture of medicinals

    本發明和苯基苯乙基丙二酸酯的生產有關，尤其是和二烷基苯基丙二酸酯的生產有關，它們在生產藥品的過程作為中間體非常有用。
  8. Based on orthogonal test, the factors influencing the synthesis of di - n - propyl phosphite, such as reaction temperature, reaction time and molar ratio of reactant, were investigated

    通過正交優化試驗，考察了溫度、時間和物料配比對二正丙基亞磷酸酯的合成收率的影響。
  9. Ir, sem - edx, and water contact angle measurements on polysilane and polyacrylate film obtained by double operations and single operation showed that the influence of weight ratio of polymers, the molecular of pmma on film structure was great. the film translucence dropping while the ratio of pmma / pmts grew and the compatible reducing while the molecular of pmma increased

    通過測定所配製的系列濃度聚合物甲苯溶液、 thf溶液的表面張力發現：有機硅聚合物溶液的表面張力值在有機硅聚合物濃度低於30時變化不明顯；而甲基丙烯酸酯聚合物溶液表面張力值隨甲基丙烯酸酯聚合物濃度的變化比有機硅聚合物溶液明顯。
  10. This change makes the processing difficult. it is found that phbv ( poly ( hydroxybutyrate - co - valerate ) will still thermal degrade at the temperature much more lower than the acute thermal degradation temperature

    通過研究發現， phbv （聚羥基丁酸-羥基戊酸酯）在其發生劇烈快速熱降解的溫度以下仍然有熱降解行為的發生。
  11. The hydrocarbon diperchlorate products have utility as detonatable sensitizers for explosives and alkylating agents.

    二過氯酸烴基酯產物可用作起爆藥的敏化劑及作為烷化劑。
  12. A series of 9 - arylpolyhydroacridine derivatives have been synthesized by reaction of arylmethylidenecyanoacetate with dimedone in hoac in the presence of ammonium acetate, and the structures were characterized by ir, and 1hnmr

    摘要以芳亞甲基氰乙酸酯和達米酮為原料，以醋酸銨為催化劑在乙酸中反應，合成了一系列的9 -芳基多氫吖啶衍生物，並通過ir ， 1hnmr證實其結構。
  13. Scanning electron microscope ( sem ) and x - ray photoelectron spectroscopy ( xps ) studies indicated that the additive of cs _ 2 took part in the sei film - forming in the process of battery cycles. the elements of carbon, oxygen and fluorin are the main members in the compounds of sei film. sulfur is also one of the main elements of the sei film when the electrolyte included additive of cs _ 2

    利用掃描電子顯微鏡和x射線光電子能譜研究表明，二硫化碳在電池的循環過程中參與了sei膜的形成， sei膜的組成物質中主要是c 、 o 、 f三種元素，加入二硫化碳后， s元素也成為主要組分， sei膜的主要組成物質有烷基氧鋰、烷基碳酸酯鋰、碳酸鋰、硫酸鹽、聚烯烴及氟化鋰等。
  14. The polyurethane ( pu ) membranes modified with silk fibroin ( sf ), made from sf protein and liquid prepolymer with terminal - isocyanate groups, were obtained by the process of prepolymer having reaction on the surface of sf membranes and then controlling the moisture of system and the solution conditions

    摘要以再生絲素蛋白和液狀端異氰酸酯基預聚物為原料，使預聚物在絲素膜界面發生化學反應，再通過控制相對濕度和溶解條件，制備了絲素改性聚氨酯膜。
  15. A different structure change, the effect of which has been examined, is the size of the ester group in a series of alkyl methacrylates.

    已經考查過的結構變化的影響是甲基丙烯酸烷基酯系列中酯基的體積（尺寸）
  16. To prepare the functionally gradient materials ( fgm ) of polysilane - polyacrylate, the method of solution preparation was performed. based on the results of the back - scattered electron images and linear scanning of the polysilane - polyacrylate film ' s cross section, the dependence of polysilane - polyacrylate film ' s structure on molecules of polysilane and polyacrylate, pmma / pmts feed ratio and component concentration were investigated

    通過測試有機硅聚合物-聚甲基丙烯酸酯樹脂膜的結構，分析了聚有機硅（ pmts ） 、聚甲基丙烯酸酯（ pmma ）的分子量、 pmma pmts體系配比、組分濃度等因素對有機硅聚合物-聚甲基丙烯酸酯樹脂膜結構的影響。
  17. Abstract : aim to synthesize a new prodrug, resveratrol trinicotinate. methods in presence of lithium and a catalytic amount of naphthalene, the reaction of p - methoxybenzyl trimethylsilyl ether and 3, 5 - dimethoxylbenzaldehyde gave resveratrol after a series of translation. resveratrol trinicotinate was obtained by the reaction of resveratrol and nicotinoyl chloride hydrochloride. results a mutual prodrug resveratrol trinicotinate was designed and synthesized. conclusion a novel method for synthesis of resveratrol and resveratrol trinicotinate has been afforded. the e - isomer is selectivily obtained by dehydration of the compound 2 with khso4

    文摘:目的合成一種前藥白藜蘆醇煙酸酯.方法在金屬鋰片和催化量的萘的存在下， 3 ， 5 -二甲氧基苯甲醛與對甲氧基苯甲醇的三甲基硅醚反應經過一系列轉變得到白藜蘆醇，白藜蘆醇與煙酰氯反應得到白藜蘆醇煙酸酯.結果設計併合成了白藜蘆醇煙酸酯.結論提供了一種合成白藜蘆醇及白藜蘆醇煙酸酯的方法，採用khso4脫水可選擇性的得到反式產物
  18. ( 3 ) volume shrinkage of composite decreases greatly with wpu increasing, even can arrive a negative number, but thermal stability is still good. ( 4 ) toughening mechanism is that : the formation of high molecular linear amino formate construct is the toughening reason ; hydroxyl - terminated pu - prepolymer and pf react to produce chemical bond effect which participate cure ; carboxyl - terminated pu - prepolymer and pf form semi - ipn which make toughened pf occur maximum

    （ 4 ）通過紅外光譜對pf / pu共混物分子結構進行的定性分析、以及掃描電鏡對沖擊斷面形貌進行的分析，可證明聚氨酯預聚物增韌酚醛樹脂的機理是：兩個體系都是由於高分子量的線形氨基甲酸酯結構而增韌；端羥基pu與pf在共固化中產生化學鍵效應，參與pf的固化；而端羧基pu則與pf形成半互穿網路而增韌。
  19. Degradability of the isolates on acetic ester compounds was proved according to the increase of biomass and the decrease of substrates in liquid cultures

    該菌對醋酸酯類化合物的降解性是通過在液體培養基內菌體的增加及底物的減少來證實的。
  20. The results show that the dispersibility of nono - particles become excellent after treated with 3wt % coupling agent of titanic ester, the average dimension of treated nono - particles in uhmwpe fibers is about 50nm, and no big agglomerated particles occur in it

    實驗表明經過3wt鈦酸酯偶聯劑處理的納米粒子的分散性最佳，處理后納米粒子在uhmwpe纖維基體中的平均尺寸為50nm左右，基本沒有大的團聚體存在。
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