• 一方面易于生物降解脂肪族聚酯的,缺乏很好大多数应用中的关键力学性能

    Aliphatic polyesters on the other hand are readily biodegradable, but lack good mechanical properties that are critical for most applications.

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  • 脂肪族聚酯具有更好淀粉其中许多羟基防潮

    Aliphatic polyesters have better moisture resistance than starches, which have many hydroxyl groups.

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  • 乳酸(PLA)一种线性脂肪族聚酯乳酸自然产生丙交酯缩合催化剂产生。

    Polylactic acid (PLA) is a linear aliphatic polyester produced by poly-condensation of naturally produced lactic acid or by the catalytic ring opening of the lactide group.

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  • 这些脂肪族聚酯然而昂贵缺乏机械强度传统塑料聚乙烯

    These aliphatic polyesters are, however, much more expensive and lack mechanical strength compared with conventional plastics such as polyethylene.

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  • 合成脂肪族聚酯的合成羧酸缩合聚合已知完全生物降解土壤

    Synthetic aliphatic polyesters are synthesised from diols and dicarboxylic acids via condensation polymerisation, and are known to be completely biodegradable in soil and water.

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  • 生物一类脂肪环类分子化合物,对动植物微生物活性细胞重要生理作用。

    Biogenic amine is a kind of low molecular weight compounds containing nitric fatty group or heterocycle group. They have biological importance in vegetable, microbial and animal cells.

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  • 生物一类脂肪环类分子化合物

    Biogenic amine is a kind of low molecular compounds belonging to nitric fatty group or heterocycle group.

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  • 利用IPN技术将芳香氰酸引入互穿聚合物网络涂层取代部分脂肪异氰酸酯。

    An aromatic isocyanate is introduced into an IPN coating system to partly substitute the aliphatic isocyanate.

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  • 维他命能够帮助释放食物脂肪蛋白质能量使时刻处在营养平衡状态

    B vitamins help release energy from fats, carbohydrates, and proteins in your food, keeping you in nutritional balance.

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  • 任何脂肪族一元羧酸构成油质分子部分通过水解脂肪生成。

    Any of a class of aliphatic monocarboxylic acids that form part of a lipid molecule and can be derived from fat by hydrolysis.

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  • 柏木柏木醇脂肪醚。

    It is an aliphatic ether of the cedrol.

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  • 聚酯引入刚性(即将脂肪聚酯芳香液晶聚合改善聚酯加工性能;

    The processability of polyesters could be improved significantly after incorporating stiff chain segment through copolymerization of aliphatic polyester with aromatic liquid crystal element.

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  • 生产实践基础上脂肪高效水剂的合成反应机理进行深入的分析,提出脂肪族减水剂的分子示意

    On the basis of production practice, the reaction mechanism of highly efficient aliphatic water reducer was analyzed in-depth, its molecular formula was put forward.

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  • 脂肪族聚酯没有用来生产纤维,可能是熔点缘故。

    Aliphatic polyesters are not used for fiber production, because of their low melting points.

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  • 具有保色性好,耐磨碰撞耐海水矿物油等。脂肪族溶剂和植物油溅污

    It features excellent colour retention, resistance to abrasion, impact, seawater and mineral oil. Also resistance to splashes of aliphatic solvent and vegetable oil.

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  • 结果表明萃取物中含有脂肪结构、芳香结构、大量基团含有脂环化合物

    The results indicated that extracts contain aliphatic, aromatic and naphthenic compounds and a large amount of oxygen containing group.

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  • 戊二醛重要饱和脂肪族广泛应用于医用制革油田行业

    Glutaraldehyde is an important saturated aliphatic binary aldehyde which is widely used in medical industry, leather production, oil field, and so on.

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  • 合成了以羟基封端的脂肪族聚碳酸酯-乙基碳酸酯二醇(PEECD),用于环氧EP树脂增韧

    One kind of hydroxyl - terminated aliphatic polycarbonate, i. e. poly(ethylene ether carbonate) diol(PEECD) was synthesized and used to toughen epoxy resin (EP) .

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  • 木质素结构中含有芳环脂肪族侧链许多活性官能团具有一定离子交换吸附性能

    Lignin consists of both aromatic and aliphatic portions containing many active functional groups, which suggests some ion exchange and adsorption properties.

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  • 脂肪族聚氨酯结晶行为一般结晶聚合物相同芳香聚氨酯形成鲜明对照。

    The Crystallization behavior of ASPU is the same as general crystal polymers but much more different from aromatic polyurethane.

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  • 概述三类主要有毒成分脂肪族硝基化合物化合物、疯草毒素(生物碱)。

    This article summarized the three toxic constituent of locoweed: aliphatic nitro compound, selenium and selenide, locoweed toxin (alkaloids).

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  • 结果表明:烈香杜鹃精油化学成分以高级脂肪芳香化合物芳香化合物为主。

    The results showed that the volatile constituents of Rhododendron athopogoides Maxim, mainly includes aliphatic acid and ester, aldehyde, ketone, aromatic and its heterocyclic compounds.

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  • 介绍了一种合成可降解脂肪族聚酯方法

    A new method for synthesis of biodegradable aliphatic polyester was discussed in this article.

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  • 本文旨在制备成本力学性能性能俱佳的可生物降解脂肪段共聚物。

    This paper aims at preparing biodegradable aliphatic block copolymers with combined mechanical and thermal properties with reduced cost.

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  • 己二工业重要脂肪族二元羧酸,是重要的有机化工原料

    Adipic acid is the most important dicarboxylic acid, and it is a valuable raw material used in the chemical industry.

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  • 一类以聚乳酸及其同系物为代表的、可生物降解的新型合成脂肪族聚酯则有可能成为21世纪的一种“绿色材料”。

    The biodegradable aliphatic polyesters such as PLA and its homologues have been developed and will be" Green Material" in 21 century.

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  • 合成了一种新的脂肪族多嵌段聚氨酯(ASPU)系列样品。

    A new series of aliphatic segmented polyurethanes (ASPU) had been prepared and their infrared spectra were assigned.

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  • 采用一步合成4 ,4 '-甲烷二环已基二异氰酸酯HMDI)、扩链剂1,4 -二醇(BDO)为硬段,四氢呋喃醚(PTMG)为软段的脂肪聚氨酯

    The one step method was adopted in this study to synthesize aliphatic polyurethane with 4,4 methylene dicyclohexyl diisocyanate(HMDI), 1,4 butanediol(BDO) and poly (tetrahydrofuran)(PTMG).

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  • 采用一步合成4 ,4 '-甲烷二环已基二异氰酸酯HMDI)、扩链剂1,4 -二醇(BDO)为硬段,四氢呋喃醚(PTMG)为软段的脂肪聚氨酯

    The one step method was adopted in this study to synthesize aliphatic polyurethane with 4,4 methylene dicyclohexyl diisocyanate(HMDI), 1,4 butanediol(BDO) and poly (tetrahydrofuran)(PTMG).

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