低分子化合物

新生牛肝中三种低分子化合物牛磺酸、鸟氨酸、肌肽对HL-60细胞凋亡的诱导作用

The induction apoptosis of HL-60 cells by low molecular weight compounds of taurine , ornithine and carnosine from new born calf liver

通过生物和化学的方法将秸秆中纤维素降解并产生五碳糖、六碳糖、甲醇、己醇、CO2、甲烷、氢气等低分子化合物，就能够提高碳氢比并增加能源密度。

The ratio can be improved to increase the energy density from biological and chemical method of decomposing the cellulose in straws into low-molecule compounds such as pentoses , hexoses , methanol , hexanol , CO2 , methane and hydrogen .

含糖聚合物（glycopolymer）是指将低分子化合物与含糖基的不饱和单体经某种方法聚合而成的功能高分子。

Glycopolymer refers to a sugar-based functional polymer by means of polymerization of a low molecular compound and a sugar-based unsaturated monomer .

煤中的低分子化合物及其在煤转化中的作用研究

Low molecular weight compounds of coal and its function in coal conversion processes

生物胺是一类含氮的脂肪族或杂环类低分子化合物。

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

介绍了煤中低分子化合物的组成和来源、几种煤化学结构模型以及低分子化合物的主要研究方法。

The composition and source of lower molecular weight compounds in coal and several chemical structure models of coal were introduced .

核苷酸类物质包括腺苷酸、尿苷酸、鸟苷酸、胞苷酸等及其衍生物，是生物体内一种极其重要的低分子化合物，具有十分广泛的用途。

Mononucleotides include AMP 、 UMP 、 GMP 、 CMP and their ramifications , which are very important low molecular weight compounds in the organism with abroad use .

生物胺是一类含氮低分子化合物，对动植物和微生物有重要的生理作用。适量的生物胺有助于人体正常的生理功能，过量则会引起不良的生理反应。

Biogenic amines are aliphatic , alicyclic or heterocyclic organic bases of low molecular mass , which arise as a consequence of metabolic processes in animal , plants and microorganisms .

煤是一种由多种化学键和官能团组成的大分子和低分子化合物组成的混合体。

Coal is a sort of mixture which composed of the bulky molecular compound and the low molecular compound . And the compound is composed of chemical bonds and functional groups .

所研究的煤中可溶低分子化合物有两种来源：一是原生的，它来源于成煤母质，二是后生的，源于成煤过程中生成的降解产物。

Studied coal soluble low-molecular-weight compounds have two sources : First , the original , and it comes from coal-parent material , the second is younger , from the process of coal-generated degradation products .

其中，煤中的低分子化合物是组成煤的重要物质，低分子化合物占煤中有机质的含量为10%～23%，甚至有占有机物总量40%的报导。

The low molecular compound is one of the most important components , and there are 10 % ~ 23 % , even 40 % reported , of the organic matter in coal be low molecular compound .

介绍了国外废塑料再生利用、热分解回收低分子化合物和焚烧回收热能的技术与方法。

The paper reviews the technology of recovery and utilization of waste plastics in foreign countries , such as reproductive utilization , thermal pyrolysis for recovery of lower molecular weight chemicals and incineration for recovery of heat energy .

在构造应力作用下，煤中的有机质超前向两个方向演化，一方面聚合形成更大的高芳构化的大分子结构，另一方面则形成低分子化合物和气态烃（瓦斯）。

In the process of the tectonic stress , the organics of coal is evolved to two different orientations , one hand forming the aromatic macromolecule network structure , on the other hand forming low molecular compounds and the gas hydrocarbon ( gas ) .

DFA为有机低分子量化合物，不溶于水，但极易溶于煤油，在煤油中的油溶率高达99.9%，而且对原油粘度基本无影响。

DFA is a low molecule organic compound , with the oil solution ratio as high as 99.9 % . At the same time , it plays no role in the viscosity development of crude oil .

全氟异丁烯（Perfluoroisobutylene，PFIB）是一种低分子氟碳化合物，常温下气态，无色并近于无味。

Perfluoroisobutelene ( PFIB ) is a kind of low-molecular-weight fluorocarbon compound , which exists as colorless gas with almost no smell at normal tempetature .

SG-2型化学注浆材料是以水玻璃为主的注浆材料，其胶凝剂为两种低分子有机化合物。

SG-2 Chemical grout material is mainly based on sodium silicate , its gelation agent consists of two low molecular organic componds .

成熟度增加，低分子量化合物富集。

The increase of maturity could increase the enrichment of low molecular weight compounds .

光催化剂产生的高活性羟基自由基首先破坏染料分子中活性较高的生色团，然后逐步将其降解为低分子有机化合物。

High active hydroxyl group produced by photocatalyst damaged chromophore in dyes molecular first and then degraded it into lower molecular organic compound gradually .

直接从木聚糖和纯化的木聚糖中获得的低分子量化合物诱导木聚糖酶的生产，是好的底物，经常用于小规模的试验。

As can be concluded from the inducibility of xylanases by low-molecular-mass compounds directly derived from xylan , purified xylans can be excellent substrates and are frequently used for small-scale experiments .

论述了固相缩聚装置循环氮气中低分子质量化合物的色谱定性、定量分析，并研究了低分子质量化合物含量与瓶级聚酯切片的生产品种、品质、负荷、乙醛含量及催化剂效率等之间的关系。

The chromatographic qualitative and quantitative analysis of low molecular mass compound in recycle nitrogen of SSP plant were discussed . The relationship among low molecular mass compound content and the production varieties , quality , load , acetaldehyde content , catalyst efficency of bottle-grade PET chip were studied .

杂环胺（HCAs）是一类高温热解形成的低分子有机胺化合物，食源性HCAs来源较广，环境中也存在HCAs。

Heterocyclic amines ( HCAs ) are a kind of low molecular organic amine compounds , which are formed in the pyrolysis process under high temperature . HCAs from food source are widely in the cooking meats , they also exist in our environment .

广州大气低分子量羰基化合物的季节变化

Seasonal variation of low-molecular-weight carbonyl compounds in atmosphere of Guangzhou

广州市灰霾与非灰霾期间大气中的低分子量羰基化合物

Low-molecular-weight carbonyl compounds in ambient air during haze and NON-HAZE periods in guangzhou , china

星形低分子量块状化合物的合成

Synthesis of starlike low-aspect-ratio block molecules

这种温和的蒸煮会使谷粒释放出蛋白质，这些蛋白质也会在酶的作用下降解成为低分子量的化合物。

The mild cooking also releases proteins from the grains , these proteins also undergo enzymatic breakdown into compounds of lower molecular weight .

资料综合：①生物可降解材料是指在生物体内经水解、酶解等过程，逐渐降解成低相对分子质量化合物或单体，降解产物能被排出体外或能参加体内正常新陈代谢而消失的材料。

DATA SYNTHESIS : ① Biodegradable polymeric materials was that it could be hydrolyzed , enzymolysised in organism , and so on , and gradually became compound of low molecular mass or monomer , degradation product of the materials could be discharged in vitro or participate in eubolism and obliterate .

采用低分子量反应性化合物作相容剂，即化学交联体系来改善HPVC／PP共混物的相容性。

The low molecular weight reactive compounds were used as compatibilizers , i.e.chemical crosslinking systems to improve the compatibility of HPVC / PP blends .

HSH-971为具有特定Aβ结合位点的低分子海洋硫酸寡糖化合物，可阻止Aβ的纤维化聚集。

HSH-971 is marine-derived sulfated oligosaccharide of low molecular weight , which has special binding site with A β and can inhibit the aggregation of Ap .

低分子量挥发性羰基化合物，因为它们对风味的影响而有益。

The lower molecular weight volatile carbonyl compounds are of interest because of their influence on flavor .

结果表明，采用低分子量反应性化合物作相容剂，共混物的拉伸强度提高，但冲击强度无改善。

The results show that : using low molecular weight reactive compounds as compatibilizers , the tensile strength of the blends is raised , but the impact strength is not improve .