英语释义

• (chemistry) the sum of the relative atomic masses of the constituent atoms of a molecule

片语

high relative molecular mass高相对分子质量

protein relative molecular mass蛋白质相对分子质量

relative molecular mass distribution相对分子质量分布

apparent relative molecular mass又称表观相对分子量

relative e molecular mass相对分子质量

polymer relative molecular mass聚合物相对分子质量

relative average molecular mass相对平均分子质量

dna relative molecular massdna相对分子质量

mean relative molecular mass平均相对分子质量

英汉例句

• The relative molecular mass of chitosan fractionated by ultrasonic wave was measured by the light scattering method.

  采用粘度法分析了不同溶剂对壳聚糖粘度的影响，用光散射法测定了超声波分级的壳聚糖的相对分子质量。

• The changes of viscosity, hydrocarbon composition and average relative molecular mass of Shengli heavy oil in catalytic upgrading by oil-soluble catalyst XAGD-2 were investigated.

  研究了采用油溶性催化剂XAGD - 2催化改质胜利稠油过程中稠油黏度、组成和平均相对分子质量的变化。

• Ultra high relative molecular mass cross-linked alkene polymer was synthesized by bulk polymerization using metal complex as catalyst and 1, 5-hexadiene as cross-linking agent.

  以金属配合物为催化剂、1,5 -己二烯为交联剂，采用本体聚合法合成了交联超高相对分子质量烯烃类聚合物(简称交联聚合物)。

• Analysis of the filtered experimental data gave an exponential relationship between the overall separation factor of the cascade and the relative molecular mass differences.

  通过对不同形式的离心级联进行丰度计算，得到任意两种组分间的全分离因子与它们的相对分子质量之差成指数关系。

• The effects of PEG relative molecular mass and hydrophilic segment content on the antistatic performance of the product were investigated.

  研究了PEG的相对分子质量、亲水链段的质量分数与抗静电剂效果之间的关系；

• The relative molecular mass of the resultant PPTA pulps can be improved by the addition of ammonia as the acid accepted agent and it has no influence on other properties.

  而液氨的加入也有利于提高PPTA浆粕的相对分子质量，但对浆粕的其它性能没有任何影响。

• The researches show that the contents of saturates and light aromatic increases, the content of resin decreases and the relative molecular mass of maltene decreases as the reaction progress;

  研究表明，随着反应的进行，克拉玛依常压渣油体系中作为分散介质的饱和烃和轻芳烃含量逐渐上升，作为胶溶剂的胶质含量显着下降，其可溶质相对分子质量均呈下降趋势；

• The relative molecular mass of permeates was investigated by high performance size exclusion chromatography.

  利用高效凝胶排阻色谱技术分析超滤滤过液的相对分子量分布。

• Addition of small amount of crosslinking agent 1, 5-hexadiene could increase shear stability and relative molecular mass of polymer.

  加入少量1,5 -己二烯能提高交联聚合物的抗剪切能力，同时也能提高交联聚合物的相对分子质量。

• As the relative molecular mass increases, volatility decreases and the esters gradually become viscous, oily liquids or waxy solids.

  随着相对分子质量的增加，其挥发性降低，酯逐渐变粘而成油状液体或蜡状固体。

• Synthesis of medium and low relative molecular mass trans-1, 4-polyisoprene wax and trans-1, 4-poly butadiene wax.

  中低相对分子质量反式- 1,4 -聚异戊二烯蜡和反式- 1,4 -聚丁二烯蜡的合成。

• Polymer: Natural or synthetic plastic-like substances having molecule in a high relative molecular mass formed by the chemical linking of many simple molecules, of the same substance.

  聚合物：类似塑胶的人造或天然物体。由许多简单而属于同一种物质的分子，通过化学结合而形成，并具有较高的相对分了质量。

• The effects of terpolymerization conditions on conversion and relative molecular mass of products were studied.

  研究了共聚条件对各单体转化率及共聚物相对分子质量的影响。

• The expression supernatant was purified with cation exchange chromatography to single peak and SDS-PAGE indicated that the relative molecular mass was 6 500.

  表达上清经阳离子交换层析分离纯化为单一组份，SDS -PAGE显示相对分子质量为6 500。

• When polymer relative molecular mass and its distribution width are the same, the polymer displacement efficiency increases with the increment of the core permeability variation factor.

  当聚合物的相对分子质量及其分布宽度相同时，随着巖心渗透率变异因数的增大，其聚合物驱采收率也随之增加。

• The higher the relative molecular mass of polymer was, the better the shear stability of polymer.

  交联聚合物的相对分子质量越大，抗剪切稳定性越好。

• The results of simulating bench test proved that the lower relative molecular mass detergent is effective in keeping port fuel injectors clean, the higher relative molecular...

  模拟试验结果表明，较高相对分子质量的添加剂对油嘴具有较好的清洗作用，而较低相对分子质量的添加剂具有较好的清凈作用。

• It is discovered through experiment that treating PECHs with different relative molecular mass should use different extraction solvents.

  实验表明，处理不同相对分子质量的PECH，应采用不同的萃取溶剂。

• The variation of relative molecular mass and its distribution in the process of SBR and PS (HIPS) were determined by gel permeation chromatograph (GPC).

  使用凝胶渗透色谱仪（GPC）测定了丁苯橡胶（SBR）及聚苯乙烯（PS）和高沖聚苯乙烯（HIPS）在不同生产工艺条件下的相对分子质量及其分布的变化。

• It shows that the solution viscosity drops and the relative molecular mass reduces with narrow distribution.

  结果表明改性栲胶溶液黏度下降，相对分子质量降低且分布集中。

• Results: The measured relative molecular mass was accorded with the theoretical value.

  结果：相对分子质量测定值与理论值一致；