将松香催化加氢可去除枞酸型树脂酸的共轭不饱和性,克服其易于氧化变色的缺点。
Conjugated unsaturation of abietic resin acids can be removed through catalytic hydrogenation to overcome the shortcomings of oxidation and color degradation in rosin.
橄榄油含有少许的饱和脂肪和丰富的单不饱和性脂肪,是做沙拉酱和腌泡菜的理想配料,也可用于低或中度加热烹饪。
Olive oil is low in saturated fats and high in monounsaturated fat. It's ideal for salad dressings and marinades and can be used for low - to medium-heat cooking.
不饱和聚酯是一种良好的NBR增塑剂,与nbr的相容性良好,可部分替代液体酯类增塑剂。
The unsaturated polyester was a good plasticizer for NBR and compatible to NBR, and it could partly replace liquid ester plasticizer.
197不饱和聚酯树脂是一种双酚A型耐化学性不饱和聚酯树脂。
HCH-197 unsaturated polyester resin is a bisphenol-A chemical resistance of unsaturated polyester resins.
薄膜包含较多的不饱和脂肪时流动性好,容许更有效率地氧气、水、脂肪和葡萄糖的转换。
A membrane that incorporates more unsaturated fats is more fluid, allowing a more efficient flux of oxygen, water, fat, and glucose.
本研究旨在探讨生产富含多不饱和脂肪酸和低胆固醇鸡肉的可行性,包括两个试验。
Two experiments were undertaken with attempt to produce the chicken meat rich in polyunsaturated fatty acids and low in cholesterol content.
而膜脂脂肪酸不饱和度的增加是植物对低温生长的反应,与抗寒性无直接关系。
The increased unsaturation of membrane lipids is only the response to low temperature and has no directly relation to cold hardiness.
201不饱和聚酯树脂是专门为离心浇铸成型玻璃钢管道(HOBAS管)设计的结构层树脂,是低粘度,中等反应性的邻苯型树脂。
HCH-201 unsaturated polyester resin is designed for centrifugal casting molding glass pipe (HOBAS pipe) design of the structure layer resin is a low viscosity, medium reactivity of o-benzene resin.
不饱和聚酯树脂是一种反应性聚合物改性砂浆的添加剂。
The unsaturated polyester resin is a reactive additive of polymer modified mortars.
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.
微生物油脂是一种应用前景广阔的新型油脂资源,正越来越受到人们的重视,尤其在生产富含不饱和脂肪酸的功能性油脂方面已成为研究热点。
Microbial oils is a kind of new oil resource with good prospect, and people attached importance to them, especially in the field of producing the functional oils rich in PUFA.
与标准树脂相比,DCPD改性对苯型不饱和聚酯树脂力学强度高,耐热性和耐腐蚀性强,空干性好。
DCPD modified TUPR has excellent properties such as higher mechanical strength, better air drying, and better thermal and chemical resistance compared with conventional ones.
本研究尝试用一种无毒、廉价易得的不饱和羧酸-山梨酸(SA)取代腐蚀性、刺激性的(甲基)丙烯酸用于原位合成不饱和羧酸金属盐。
In the present study, we used a nontoxic and cheap sorbic acid (sa) to substitute the corrosive and irritative (meth) acrylic acid for in situ synthesis of unsaturated metal carboxylates.
松香酸的含量影响对苯型不饱和聚酯与苯乙烯的相容性和活性。
The solubility and reactivity of TUPR were improved by rosin acid.
对该不饱和树脂的热稳定性及耐腐蚀性进行了实验,其性能优于通用型不饱和树脂。
The heat stability and corrosion resistance of the unsaturated polyester resin were tested. The property is better than that of general purpose unsaturated polyester resin.
结果显示对1,3-取代位置的优异选择性,并且烷基链可以是饱和的或不饱和的,并且可以含有一种或多种杂原子。
The result shows excellent selectivity of to the 1, 3 - substitution positions, and the alkyl chain may be saturated or unsaturated and may contain one or more heteroatoms.
叙述了透光阻燃不饱和聚酯树脂tz2的合成方法、原料选择及该树脂的基本物理性能、阻燃性。
In this paper, synthesis, selection of raw materials, and flame resistant properties of light transparent and flame retardant unsaturated polyester resin TZ 2 were described.
乙烯酯树脂既兼有环氧和聚氨酯树脂的优良物化性能,又具有与不饱和聚酯树脂一样简便的施工工艺性。
Vinyl ester resin has good physical and chemical properties of both epoxy and polyurethane. And it also has a technological property of easy processing as what unsaturated polyester does.
摄入饱和脂肪酸和反式不饱和脂肪酸和全因死亡率、心血管疾病和2型糖尿病的风险:观察性研究的系统回顾和荟萃分析。
Intake of saturated and trans unsaturated fatty acids and risk of all cause mortality, cardiovascular disease, and type 2 diabetes: systematic review and meta-analysis of observational studies.
其中不饱和脂肪酸含量为86.04%,说明火麻仁油是一种具有营养保健价值和药疗功效的功能性油脂。
The relative contents of unsaturated fatty acids is 86.04%. The results indicate that hemp fruit oil is a kind of function oil which has high nutrition health value and pharmacotherapy efficacy.
一种有机发光二极管,其电荷输送层中含有导电性聚合物和不饱和化合物的反应物。
A charge transport layer of an organic light emitting diode contains the conducting polymer and the reactant of the unsaturated compound.
本发明公开了一种不饱和烃选择性加氢催化剂的制备方法。
The invention disclosed the preparing method of selective hydrogenating catalyst of unsaturated hydrocarbon.
论述了微生物油脂及其多不饱和脂肪酸(PUFA)的重要性、来源、生物合成、生产技术及下游加工等。
The importance, sources, biosynthesis, production and downstream processing of microbial lipids and its polyunsaturated fatty acids were discussed.
论述了微生物油脂及其多不饱和脂肪酸(PUFA)的重要性、来源、生物合成、生产技术及下游加工等。
The importance, sources, biosynthesis, production and downstream processing of microbial lipids and its polyunsaturated fatty acids were discussed.
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