您要查找的是不是：
- These radicals may undergo unimolecular decomposition or further reactions with H2O2, possibly leading to the ring cleavage. 這些加合物隨之自身或在H2O2參與下進(jìn)一步分解。
- The process of ring opening reaction is proved through analyzing aminating mechanism by IR and NMR. 利用紅外及核磁共振碳譜分析了胺化反應機理,證明是開(kāi)氧環(huán)反應。
- Low acid value resins were synthesized by E10 with low temperature ring opening. 采用E10低溫開(kāi)環(huán)酯化合成低酸值樹(shù)脂。
- Their ring opening reactions can be used for preparing polyfunctional or other cyclic compounds. 另外,利用該反應還可以提供保護基以及立體、區域選擇性地合成各種有機化合物。
- The recent progress in rhodium-catalyzed asymmetric ring opening (ARO) reactions of azabenzonorbornadienes is reviewed. 綜述了銠催化不對稱(chēng)氧(氮)雜苯并降冰片烯開(kāi)環(huán)反應的研究進(jìn)展。
- The development of study on ring opening metathesis polymerization(ROMP) of norbornene(NBE) and its derivativesis reviewed with 30 references. 綜述了降冰片烯(NBE)及其衍生物開(kāi)環(huán)易位聚合(ROMP)的研究進(jìn)展。
- Kinetic modeling was carried out to explore possible reaction mechanism of methylcyclopentane ring opening over a Pt/SiO 2. 用動(dòng)力學(xué)模擬的方法探索甲基環(huán)戊烷在鉑催化劑上開(kāi)環(huán)的反應機理。
- Ring opening of copolymerization and homopolymerization between acrylpimaric acid and ethylene oxide at different mole ratio were studied. 研究了丙烯海松酸與不同摩爾數的環(huán)氧乙烷所進(jìn)行的開(kāi)環(huán)均聚和共聚反應。
- It was found that the ring opening polymerizations of epoxide based monomers with THEIC can be carried out in a heterogeneous medium smoothly. 發(fā)現THEIC與環(huán)氧單體可在非均相體系中平穩地進(jìn)行陽(yáng)離子開(kāi)環(huán)聚合反應。
- This paper reviews briefly recent developments in the regio and stereoselective ring opening of 2,3 epoxy alcohols and their derivatives by a variety of methods. 簡(jiǎn)要綜述了對2，3-環(huán)氧醇及其衍生物進(jìn)行區域及立體選擇性開(kāi)環(huán)的各種方法的近期進(jìn)展。
- The results revealed that the components with bicyclic ortho ester had expansibility in the ring opening polymerization by initiation of cationic compounds. 對膨脹聚合反應研究發(fā)現,帶有膨脹基團雙環(huán)原酸酯的材料在陽(yáng)離子引發(fā)劑存在下開(kāi)環(huán)時(shí)具有膨脹特性。
- This paper reviews the synthesis progress of polysiloxane,focusing on the anionic induced ring opening polymerization.Then the applications of polysiloxane are also summarized. 文章闡述了聚硅氧烷的合成方法,其中重點(diǎn)介紹了應用較為廣泛的陰離子引發(fā)的環(huán)硅氧烷的本體開(kāi)環(huán)聚合,并對聚硅氧烷的應用情況進(jìn)行了總結。
- Poly(adipic anhydride)(PAA) was synthesized by the ring opening polymerization of adipic anhydride(AA) initiated by allylmagnesium chloride in solution and in bulk. 以烯丙基氯化鎂引發(fā)己二酸酐開(kāi)環(huán)聚合制備功能化的聚己二酸酐。
- This paper introduces a finger-helped method to show the ring opening and the ring closing of electrocyclization,and give the correct configuration of the related products. 通過(guò)對平膜壓電諧振式結冰傳感器的幾種測量方案的分析,提出一種開(kāi)環(huán)掃頻的信號檢測方法。
- When the liquid formulation wre coated on optical substrate and exposed to UV irradiation, the initiators decomposed to cations intermediate and catalyzes the ring opening polymerization to form solid network. 配合適量之光起始劑，將液態(tài)樹(shù)脂涂布于光透明基材上，經(jīng)由uv照光可進(jìn)行快速交聯(lián)反應機制，形成固體聚合物。
- The cation ring opening polymerization of the monomer(ECH) is carried out by using a catalyst SnCl 4 to obtain the polyepichlorohydrin(PECH) prepolymer , with the prepolymer PECH reacting on NaN 3 in organic solvent DMSO. 用陽(yáng)離子聚合合成端羥基聚環(huán)氧氯丙烷（PECH），然后采用大分子基團取代的方法，讓PECH和NaN3在非質(zhì)子極性溶劑DMSO中反應合成疊氮粘合劑GAP。
- She had the sapphire set in a gold ring. 她把那枚藍寶石鑲在金戒指上了。
- The diamond ring dazzled with brilliancy. 這只鉆石戒指閃耀奪目。
- The regioselectivity of intramolecular nucleophilic ring opening reaction of aziridines is controlled by the ring size of products, fivemembered ring> six-membered ring> seven-membered ring. 分子內的親核開(kāi)環(huán)反應主要受成環(huán)時(shí)環(huán)大小的控制，成環(huán)時(shí)的傾向是五元環(huán)＞六元環(huán)＞七元環(huán)。
- Lewis acid catalyzed acetylation of steroidal sapogenin was reinvestigated, and the previous assigned structures A, B and C of E/F ring opening products were rectified as 1, 2 and 3 according to X ray diffraction analysis. 重新研究了Lewis酸催化的甾體皂甙元E/F螺環(huán)乙?；_(kāi)環(huán)反應;并通過(guò)波譜分析和單晶X衍射修正了原指定結構.
