片语

apparent molar mass[高分子]

high molar mass高相对分子质量

relative molar mass相对摩尔质量

low molar-mass organic gelator有机低分子凝胶因子

high molar mass polymers高分子量聚合物

low-molar-mass liquid crystal小分子液晶

molar mass distributionIn linear polymers the individual polymer chains rarely have exactly the same degree of polymerization and molar mass, and there is always a distribution around an average value. The molar mass distribution (or molecular weight distribution) in a polymer describes the relationship between the number of moles of each polymer species (Ni) and the molar mass (Mi) of that specie

Molar r Mass and Moles摩尔质量和摩尔

Molar Mass and Moles摩尔质量和摩尔

英汉例句

• with the hexamethylene as solvent and naphthalene as solute, the relative error of molar mass of naphthalene measured is not much as 1%.

  以环己烷作溶剂、萘为溶质测得萘摩尔质量的相对误差均在1%以内。

• the macromolecular condensed state of ultra high molar mass polyethylene (uhpe) has been studied.

  研究了超高分子量聚乙烯（uhpe）的凝聚态。

• the effect of temperature , vacuum, catalyst on the yield of dl la, the relationship between the temperature , time, catalyst content and average molar mass of pdlla were discussed.

  探讨了反应温度、真空度、催化剂对dlla收率的影响 ，聚合温度、时间、催化剂用量与pdlla平均摩尔质量的关系 ，对它们的结构进行了红外光谱测试。

• tannins are water-soluble polyphenolic secondary metabolites of higher plants with the molar mass from 300 to 3 000. hydrolysable and condensed tannins are the two major classes of tannins.

  单宁为高等植物的次生代谢产物，是相对分子质量为300到3000的多酚类化合物，主要分为水解单宁和缩合单宁两大类。

• the resulting polymer's molar mass was still very high and polymer yield and monomer conversion increased a little when prolonging irradiation time to a degree at low power.

  在较低的微波功率下适当延长辐照时间，聚合物分子量仍然维持在较高的水平，同时可使聚合物产率和单体转化率有所提高。

• the most detrimental impurities in the feed water are anionic high molar mass substances. they can greatly reduce the efficiency of the retention aids or even make them completely ineffective.

  为减少水耗可以用循环水，供水中最有害的杂质是阴离子高分子量物质，会大大减少助留剂的效率，甚至使它们完全失效。

• a device for determining molar mass with freezing point depression was improved, which consists of the dewar bottle, sample container, beckmann thermometer, and motor stirrer.

  介绍一个改进的凝固点下降法测定摩尔质量实验装置，它由保温瓶、凝固点杯、贝克曼温度计、电动搅拌器等几部分构成。

• clay stabilizer ks-1, developed for water sensitive oil reservoirs, is organic oligomeric polyammonium salts of medium molar 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。

• high molecular weight polylactic acid (pla) was prepared from the low molar mass prepolymer of lactic acid by means of polycondensation on twin-screw extruder.

  利用双螺桿挤出机将低摩尔质量的乳酸预聚物在挤出机上进一步缩聚，制备出较高摩尔质量的聚乳酸。

• with the molar mass of fractions increasing, the dilatational modulus, dilatational elasticity, dilatational viscosity increase and the phase angle decreases.

  随馏分的增重，扩张模量、扩张弹性、扩张粘度逐渐增加，相角逐渐减小；