相对分子质量,molecular weight
1)molecular weight相对分子质量
1.Determination of relativemolecular weight of polymer for Class II reservoirs in western second array of Bei I block;大庆油田北一二排西部二类油层注入聚合物相对分子质量的确定
2.To describe the heat of the homologs" voporization by itsmolecular weight;用相对分子质量描述同系物的蒸发热
3.Influence fators onmolecular weight of polyaspartic acid;影响聚天冬氨酸相对分子质量的因素分析
英文短句/例句
1.The Study on the Preparation of Low Molecular Weight Hyaluronic Acid;低相对分子质量透明质酸的制备研究
2.Preparation of high-relative molecular mass polylactic acid by TDI chain extensionTDI扩链法制备高相对分子质量聚乳酸
3.Influence of different molecular weight of nature organic matter on membrane flux不同相对分子质量的有机物对膜通量的影响
4.Effects of extraction factors on molecular weight of oat β-glucan提取因子对燕麦β-葡聚糖相对分子质量的影响
parison of the determination methods on relative molecular mass in university chemistry experiment;大学化学测定物质相对分子质量实验方法比较
6.Preparation of low-molecular-weight hyaluronan using ultrasonic degradation低相对分子质量透明质酸的超声降解制备
7.Determination of Lentinan Content and its Molecular Weight by GPCGPC法测定香菇多糖的含量及相对分子质量
8.Synthesize of High molecular cationic polyacrylamide高相对分子质量阳离子聚丙烯酰胺的合成
9.Research on the synthesis of the low-molecular weight cationic polyacrylamide低相对分子质量阳离子聚丙烯酰胺的合成研究
10.The Effect of the Molecular Weight Distribution on the Properties of Collagen Hydrolysate Surfactant相对分子质量分布对水解蛋白质型表面活性剂性质的影响
11.Study on isolation purification and relative molecular mass of radish polysaccharids莱菔多糖分离纯化及相对分子质量初探
12.NARROW MOLEULAR WEIGHT DISTRIBUTION TECHNOLOGY OF ETHOXYLATED FATTY ALCOHOL ETHER聚氧乙烯醚相对分子质量分布窄化技术
13.Effect of molecular weight of poly(amic acid) end-capped with phthalic anhydride on the rate of imidization聚酰胺酸相对分子质量对亚胺化速率的影响
14.Effect of Three Low-Molecular Organic Acids on Desorption of DDT in Soil3种低相对分子质量有机酸对土壤中DDT的解吸
15.Modification of white carbon black by polyethylene glycol with different molecular masses不同相对分子质量聚乙二醇对白炭黑的改性
16.Effect of polyisobutylene on rheological behavior of LDPE and PS中相对分子质量PIB对LDPE和PS流变行为影响
17.Effects of γ-Ray Irradiation on the Molecular Weight of Chitosanγ-射线辐照对壳聚糖相对分子质量影响
18.Determining molecular weight distribution and relative molecular weight of resins by gel permeation chromatography凝胶渗透色谱法测定石油树脂的相对分子质量及相对分子质量分布
相关短句/例句
relative molecular mass相对分子质量
1.Effects ofrelative molecular mass and its distribution on properties of rare-earth catalyst-based cis-1,4-polybutadiene rubber;相对分子质量及其分布对稀土顺丁橡胶性能的影响
2.Synthesis of lowrelative molecular mass polybutene-1 with supported titanium catalyst system;负载钛催化体系催化合成低相对分子质量聚丁烯-1
3.Epoxidized modification of lowrelative molecular mass trans-1,4-polybutadiene;低相对分子质量反式-1,4-聚丁二烯的环氧化改性
3)relative molecular weight相对分子质量
parison of threerelative molecular weight determination methods for low molecular weight hyaluronic acid;测定低分子量透明质酸相对分子质量的3种方法比较
2.Determination method ofrelative molecular weight and degree of hydrolysis of polyacrylamide in produced fluid with polymer flooding;聚合物驱产出液中聚丙烯酰胺相对分子质量和水解度的测定方法
3.Determination of therelative molecular weight of chitosan;壳聚糖相对分子质量的测定方法
4)molar mass相对分子质量
1.The texture of SSP products was observed by polarized light microscope (PLM),and themolar mass of SSP products was characterized by differential scanning calorimeter (DSC) and viscosity measurement.研究了固态聚合的实验条件,如反应时间、反应温度、氮气流量及粒子大小对共聚酯相对分子质量的影响。
2.Clay stabilizer KS-1,developed for water sensitive oil reservoirs,is organic oligomeric polyammonium salts of mediummolar mass in range 3000—5000.针对低渗水敏性油藏研发的黏土稳定剂KS-1,为齐聚物型有机聚季铵盐,相对分子质量适中,为3000~5000。
3.For 6 commercial polymers of variousmolar mass,M,the root mean square values of radius of gyration in a simulation formation water of TSD=20 g/L are determined at 70℃ and,based on these values and a core permeability,K,vz throat radius median,R50,relationship published where else,it is concluded that a core of Ka=0.实测了油藏温度下(70℃)相对分子质量M不同的6种聚合物,在矿化度20 g/L的模拟油田地层水中的分子线团均方根回旋半径,根据文献发表的渗透率Ka~孔隙半径中值R50关系,由这些回旋半径值判定,Ka=0。
5)High molecular weight高相对分子质量
1.Synthesis and structure analysis of nontoxic high molecular weight of PVA;无毒高相对分子质量PVA的合成与结构分析研究
2.And a high molecular weight epoxy emulsion was prepared by phase inversion process.采用环氧树脂和聚乙二醇反应合成了非离子型乳化剂,并利用相反转法制备了高相对分子质量环氧乳液,讨论了原料配比、原料相对分子质量、乳化剂用量等对乳液合成的影响,并对其制备的清漆性能进行了测试。
3.After a review of the latest advancement in preparing high molecular weight PVA at home and abroad,this paper introduces the effects of initiation method and initiation system,polymeric method and various monomers on the preparation of high molecular weight PVA.综述了国内外制备高相对分子质量聚乙烯醇的最新进展,介绍了引发方式与引发体系、聚合方法、单体种类对制备高相对分子质量聚乙烯醇的影响,展望了制备高相对分子质量、高立构规整度聚乙烯醇将成为其重要发展方向,具有广阔的应用前景。
6)narrow molecular weight窄相对分子质量
1.In this thesis the focus is put on the synthesis and application of anionic polyacrylamide withnarrow molecular weight for paper making.论述了窄相对分子质量的阴离子聚丙烯酰胺(APAM)的合成、合成的影响因素及在造纸中的应用。
延伸阅读
相对分子质量分子式：CAS号：性质：简称分子量(molecular weight)。物质的分子或特定单元的平均质量与核素12C原子质量的1/12之比。符号Mr。某分子的相对分子质量等于该分子中各原子的相对原子质量之和。例如氢的相对原子质量为1.00797，氧的相对原子质量为15.9994，故水分子的相对分子质量Mr(H2O)=1.00797×2+15.9994=18.01534。
