任何一种脂肪族的一元羧酸，构成油质分子的部分，可通过水解脂肪生成。
Any of a class of aliphatic monocarboxylic acids that form part of a lipid molecule and can be derived from fat by hydrolysis.
从而用微扰分子轨道理论半定量地解释了脂肪族的游离基取代和芳香族的游离基取代反应的反应性和选择性。
The reactivities and selectivities of aliphatic and aromatic free-radical(substitution)reactions were explained semi-quantitatively by the perturbation molecular orbital theory.
合成脂肪族聚酯二醇的合成及二羧酸经缩合聚合，和已知的完全生物降解土壤和水。
Synthetic aliphatic polyesters are synthesised from diols and dicarboxylic acids via condensation polymerisation, and are known to be completely biodegradable in soil and water.
脂肪族聚酯具有更好的淀粉，其中有许多羟基防潮。
Aliphatic polyesters have better moisture resistance than starches, which have many hydroxyl groups.
聚乳酸(PLA)是一种线性脂肪族聚酯的聚乳酸中自然产生的或由丙交酯开环缩合催化剂组产生。
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.
介绍脂肪族聚酮的结构、性能和应用。
The structure, property and application of aliphatic polyketones are introduced.
柏木醚是柏木醇的脂肪族醚。
具有保色性好，耐磨、耐碰撞、耐海水和矿物油等。也耐脂肪族溶剂和植物油的溅污。
It features excellent colour retention, resistance to abrasion, impact, seawater and mineral oil. Also resistance to splashes of aliphatic solvent and vegetable oil.
戊二醛是重要的饱和脂肪族二元醛，广泛应用于医用、制革、油田等行业。
Glutaraldehyde is an important saturated aliphatic binary aldehyde which is widely used in medical industry, leather production, oil field, and so on.
介绍了一种合成可降解脂肪族聚酯的新方法。
A new method for synthesis of biodegradable aliphatic polyester was discussed in this article.
另一方面易于生物降解脂肪族聚酯的，但缺乏很好，在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.
抗油、脂、脂肪族溶剂、湿气、稀释过的酸及碱。本产品极富弹性且具有振动抗性。
Resistant to oils, greases, aliphatic solvents, humidity, diluted acids and bases. Very flexible, vibrations-resistant.
综述了脂肪族聚酯改性制备生物降解性聚酯的研究进展。
This paper reviewed the recent developments in studies on biodegradable polyesters prepared via modification of aliphatic polyesters.
芳香族异氰酸酯制成的聚氨酯比脂肪族异氰酸酯的耐老化性能好得多。
The results show that amine content increases with ageing time and polyurethanes based on aromatic isocyanate has much better ageing resistance than ones based on aliphatic isocyanate.
另一方面，基于脂肪族二异氰酸酯的材料以其独有的白色而著称，且其在紫外光、可见光和热条件下都不会变黄。
On the other hand, the materials based on aliphatic diisocyanates are famous for their unchanged whiteness and they will not change to yellow when irradiated with ultraviolet, visible light or heated.
采用薄层层析法测定脂肪族二胺的含量，探讨层析最佳工艺条件、制定工作曲线方程。
The content of aliphatic diamine was determined by thin-layer chromatography (TLC). The optimum synthetic art was studied and the equation of working curve was established.
也耐脂肪族溶剂和植物油的溅污。
Also resistance to splashes of aliphatic solvent and vegetable oil.
在聚酯中引入刚性链段（即将脂肪族聚酯与芳香族、液晶基元共聚合）可改善聚酯的加工性能；
The processability of polyesters could be improved significantly after incorporating stiff chain segment through copolymerization of aliphatic polyester with aromatic liquid crystal element.
在生产实践的基础上对脂肪族高效减水剂的合成反应机理进行了深入的分析，提出了脂肪族减水剂的分子示意式。
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.
该类 聚合物兼具脂肪族聚酯和碳酸酯的优点，可生物降解，降解产物无毒。
Such polymer has advantage of both aliphatic polyester and carbonate, is biodegradable, degradation products is non-toxic.
本发明公开了一种高分子量的脂肪族聚碳酸酯及其制备方法。
The invention discloses aliphatic polycarbonate with high molecular weight and a preparation method thereof.
论文第一章对生物可降解脂肪族聚碳酸酯的种类、结构、合成方法及应用作了简要概述。
The first chapter of this thesis gives a general introduction to biodegradable aliphatic polycarbonates including their structures, syntheses and applications.
木质素结构中含有芳环、脂肪族侧链和许多活性官能团，具有一定的离子交换与吸附性能。
Lignin consists of both aromatic and aliphatic portions containing many active functional groups, which suggests some ion exchange and adsorption properties.
合成了以羟基封端的脂肪族聚碳酸酯-聚乙基醚碳酸酯二醇（PEECD），并用于环氧（EP）树脂的增韧。
One kind of hydroxyl - terminated aliphatic polycarbonate, i. e. poly(ethylene ether carbonate) diol(PEECD) was synthesized and used to toughen epoxy resin (EP) .
本文旨在制备低成本且力学性能和热性能俱佳的可生物降解脂肪族嵌段共聚物。
This paper aims at preparing biodegradable aliphatic block copolymers with combined mechanical and thermal properties with reduced cost.
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.
合成了一种新的聚脂型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.
该酶对芳香族腈、脂肪族腈、饱和腈与不饱和腈均能作用，并具有较好的对映体选择性。
The enzyme could accept aromatic or aliphatic nitriles, unsaturated or unsaturated nitriles as substrates with high enantioselectivity.
该酶对芳香族腈、脂肪族腈、饱和腈与不饱和腈均能作用，并具有较好的对映体选择性。
The enzyme could accept aromatic or aliphatic nitriles, unsaturated or unsaturated nitriles as substrates with high enantioselectivity.
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