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- The suitable organic imine reactants have a variety of compositions and structures. 合適的有機亞胺反應劑具有多種組成和結構。
- The alternative use of buffered silica gel resulted in modest hydrolysis (~5-10%) of the imine. 選用溫和的水解導致緩沖硅膠(~5-10%25)的亞胺.
- Thermodynamical Properties of Polymethylene Chains Confined in an Infinite Cylinder. 受約聚亞甲基鏈的熱力學(xué)性質(zhì)。
- On the basis of this, 1,3-dipolar cycloaddition reactions were studied using imine esters as the starting marerials. 在此基礎上以氨基酸酯亞胺類(lèi)化合物為原料主要研究了1,3-偶極子環(huán)加成反應。
- Metal salts and Carboxy, keto, aldehyde, acetoacetoxy, complexes phosphonic acid, imine, amino and thio. 金屬鹽類(lèi)和羧基，酮，醛，乙酰乙酸，配合膦酸，亞胺，氨基酸和硫代。
- The influence of the loading of iodine, reaction solvent, the structure of imine and enol ethers was studied. 詳細考察了碘的用量、反應溶劑、亞胺和烯醇醚的結構對反應的影響。
- The application of polyethylene imine to the coating white board production can inprove thefilterabilitry of pulp and the stiffness of the board. 聚乙烯亞胺應用于涂布白板紙的生產(chǎn),以改善紙漿的濾水性能,提高板紙挺度。
- In this paper, fourth moment of end-to-end distance of polymethylene chains in the third-order interaction approximation is calculated. 本文用三級相互作用近似理論導出了高分子鏈末端距的四次矩的計算公式。
- In addition, it is possible to form an imine intermediate in this reaction, which seems more like a by-product from our calculation. 理論上，反應過(guò)程中還有可能生成亞胺類(lèi)化合物，但計算結果表明其為副反應。
- The conclusion is that PAN and nano-TiO2 were composed effectively, and it is possible that bonding action occurred between imine N and Ti. 分析表明，PAN與納米TiO2有效的復合在一起，聚苯胺主鏈中的亞胺氮與Ti之間發(fā)生鍵合作用。
- Our manufactory mainly produces copper and aluminum covered wire, also the single copper and aluminum wire, polyester and imine covered wire, cotton and paper covered wire. 我廠(chǎng)除主要生產(chǎn)銅，鋁玻璃絲包線(xiàn)外，還生產(chǎn)光身銅、鋁線(xiàn)材，聚酯亞胺包線(xiàn)（俗稱(chēng)：黃金薄膜包線(xiàn)）、紗包線(xiàn)、紙包線(xiàn)等。
- Abstract： Bridged imine acetamide was synthesized via the reactions such as triacetylation,bridge formation,reduction and acetylation,using Ery A oxime as the starting material. 摘 要： 以紅霉素肟為起始原料,經(jīng)三乙?；?、橋化、還原、乙?；膫€(gè)步驟合成橋紅霉素亞胺,總收率28%25。
- It is concluded that the polymethylene is in full extended trans conformation both in the crystalline and in the liquid crystalline phases when the spacer units are longer than 8. 結果表明,芳香共聚酯熱致性液晶中液晶基元之間的相互作用很強而柔性間隔鏈之間的相互作用很弱。柔性間隔鏈段主要是伸直的反式構象。
- Rigid,planar structures have been modified through incorporation of new additional groups to generate sharp-persistent imine macrocycles in very high yields. 我們設計并合成了一類(lèi)氫鍵誘導下構象受限的芳酰胺寡聚體,以此模塊作為前體,利用動(dòng)態(tài)共價(jià)鍵的方法,高產(chǎn)率(80%25-89%25)地合成了一系列新的亞胺大環(huán)。
- So a rapid drop of molecular weight should be observed at the small dose.This is demonstrated by the result of [17] of irradiated polymethylene terephthalates. 特別是在輻照初期很低劑量范圍內;分子量異常地下降.;輻照聚對苯二甲酸二醇酯的粘度測定支持了這一理論結果
- The purpose of polymethylene polyphenyl polyamines purification system is to get rid of anilin and water.The stripping tower and drying tower are two main separation units in the system. 多胺精制系統的任務(wù)是脫除粗多胺中的苯胺和水,針對現有工藝存在的精制效果差、消耗高等問(wèn)題,分別對影響汽提塔和干燥塔的因素進(jìn)行了模擬分析,提出了相應的改進(jìn)措施。
- IR is often used to investigate the reaction of thermal imine because the groups of amido acid and imide possess characteristic IR spectroscopy and IR method has the merits of simpleness, convenience and speediness. 由于紅外光譜法具有簡(jiǎn)單、方便、快速等特點(diǎn)，酰胺酸、酰亞胺基團又有著(zhù)特定的紅外吸收峰，因而成為研究熱亞胺化反應最常用的測試方法。
- Schiff base is the Types of organic compounds which contain C-N double bond of the imine or azomethine group characteristics (-RC = N-).the early research focus on Amine Schiff base reduction. 席夫堿主要是指含有碳氮雙鍵的亞胺或甲亞胺特性基團 (-RC = N-)的一類(lèi)有機化合物，早期的研究一般為縮胺類(lèi)席夫堿。
- The feasibility of manufacturing rice-straw particleboard was discussed when UF resin or the mixtures of UF resin and polymethylene diphenyldiisocyanate (PMDI) were used as binders. 探討了以腺醛(UF)膠和以異氰酸酯(PMDI)改性的UF膠制造稻草刨花板的可行性。
- Synthesis of Bridged Imine Acetamide 橋紅霉素亞胺的合成
