過酸酯 的英文怎麼說

中文拼音 [guòsuānzhǐ]
過酸酯 英文
perester
  • : 過Ⅰ動詞[口語] (超越) go beyond the limit; undue; excessiveⅡ名詞(姓氏) a surname
  • : 酸構詞成分。
  • : 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.

    亞硝氧化烷基反應,得到烷基硝
  2. Abstract : basing on nitroester migration theory in combustible cartridge case ( ccc ) during its long storage, the method of using indicator strip to determine extent of nitroester migration was suggested

    文摘:根據半可燃藥筒在長期儲存程中硝的遷移原理,提出一種利用指示劑帶檢測硝遷移量的方法。
  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程中的渡水解及縮合反應,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共聚物具有比純丙烯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量的二乙基碳(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. With your know - how with things alcohol, mica, with titanium, lithopone or paraffin, phosphate, also polyethylene and titanium dioxide, its worth it to enquire by e - mail, in order to receive an interesting offer from the enterprise

    電子郵件或電話咨詢方式,您可以獲悉關于供給營養、喂養、給食、營養、食物、贍養、撫養、替換材料的具體介紹,您當然也可以垂詢鈣和磷鹽、磷
  6. 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的生產有關,尤其是和二烷基苯基丙二的生產有關,它們在生產藥品的程作為中間體非常有用。
  7. Evoil ? grape seed exhibits greater stability over time than other vegetable oils due to the addition of synergetic proportions of natural tocopherols and ascorbyl palmitate

    添加的天然生育酚和抗壞血棕櫚的協同作用,葡萄籽油比其他植物油的穩定性更強。
  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

    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

    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;而甲基丙烯聚合物溶液表面張力值隨甲基丙烯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

    研究發現, phbv (聚羥基丁-羥基戊)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. Vanadate, a potent ptpase inhibitor, locks adipocyte differentiation at an early stage in the program and leds to the accumulation of p - c - crkii, a phosphotyrosyl protein that is a substrate for ptpase ha2

    研究發現一種強烈的磷酶抑制劑- -釩鈉能夠作用於脂肪細胞的分化早期程從而抑制其分化,並使一種ptpha2的底物即酪氨化的蛋白質p - c - crkii累積。
  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和達米酮為原料,以醋銨為催化劑在乙中反應,合成了一系列的9 -芳基多氫吖啶衍生物,並通ir , 1hnmr證實其結構。
  13. 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烯共混硫化相結合,改進了二者的相容性,拓寬了其阻尼功能區的低溫和高溫溫域;而在sin中通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。
  14. 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、烷基碳鋰、碳鋰、硫鹽、聚烯烴及氟化鋰等。
  15. By studying characteristics of fucoidanase, a conclusion has been made that the fucoidanase has a high thermal stability and ph stability

    研究巖藻聚糖硫酶酶學性質,得出該酶具有較好的熱穩定性和ph穩定性。
  16. 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,再通控制相對濕度和溶解條件,制備了絲素改性聚氨膜。
  17. Surface modified au nanoparticles have been synthesized based on the reduction of hydrogen tetrachloroaurate ( haucl4 ) by sodium borohydride ( nabh ^ in methanol

    硼氫化鈉nabh _ 4還原氫金氯四haucl _ 4 ,成功地製作了羧表面修飾的金納米粒子。
  18. 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

    測試有機硅聚合物-聚甲基丙烯樹脂膜的結構,分析了聚有機硅( pmts ) 、聚甲基丙烯( 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-聚甲基丙烯樹脂膜結構的影響。
  19. An experiment was conducted to study the effects of hot - pressing temperature on properties of wheat straw - plastic composites made from wheat straw and recycled polyethylene ( pe ) using isocyanate as adhesive through multi - factor orthogonal experiment and single - factor experiment

    摘要通正交試驗和單因子試驗,以麥秸和廢舊聚乙烯塑料為原料,使用異氰膠黏劑壓制麥秸塑料刨花板,分析熱壓溫度對麥秸聚乙烯復合材料性能的影響。
  20. A novel polyester thioure microcapsule was prepared using interracial polymerization with 1, 4 - benzenedicarbonyl diisothiocyanate and o - phenylenediamine. the influence of emulsifying agent, stirring speed and drug content on microcapsule performance were investigated

    摘要以對苯二甲酰異硫氰與鄰苯二胺為原料,通界面聚合法合成了一種新型聚硫脲微膠囊,考察了攪拌速率、乳化劑用量、投藥量等因素對微膠囊粒徑及釋放性能的影響。
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