控制不同的降解时间即可制备不同相对分子量的聚谷氨酸。
All kinds of relative molecular weight PGA was prepared by controlling the different hydrolyzation time.
生长激素是大型分子量蛋白质，控制正常动物的生长和成熟。
Somatotropins are large molecular weight proteins which regulate growth and maturation in normal animals.
为了解决聚合产品分子量分布控制的难题，将神经网络引入对其进行了无需任何系统内部先验知识的黑箱建模。
For solving the difficulty in the control of molecular weight distribution (MWD) of polymer product, MWD via neural network without any transcendental information is modelled.
在化工生产过程中，在线粘度计通过监控高聚物的流体行为，达到控制它们的分子量的目的。
In the production of chemical industry, the molecular of high polymers is controlled by online-viscometer, through which the rheology of high polymers is monitored.
结果表明，利用真空干燥箱，在适宜的反应条件下反应，有利于最终聚合物分子量的控制。
The results show that it was favourable to control molecular weight of the resulting polymer by using the vacuum drying oven under appropriate reaction conditions.
介绍了低聚合度、窄分子量分布的聚合物分散剂的控制方法。
The controlling methods of polymeric dispersant with low polymerization degree and narrow molecular weight distribution were introduced.
实验表明，控制齐聚物分子量，干燥原料，以HEA先与异氰酸酯反应的加料方式合成的树脂，流动性较好。
It shows that a good fluidity resin can be prepared by controlling its molecular weight, drying materials and using proper feeding way which HEA is reacted first with TDI.
通过控制碱法的不同水解条件，可获得分子量在一定范围内的胶原蛋白水解物，以适合不同的用途。
By controlling different hydrolyzing condition, collagen hydrolysate with different molecular weight distribution could be achieved for different use.
并对抗生素萃取过程中乳化现象的预测与控制进行了讨论，提出了蛋白质临界乳化分子量的概念。
And we also discuss the prediction and control of emulsion in the extraction of antibiotics, and present the view of critical emulsion molecular weight of proteins.
试产结果表明该方法有效地控制了分子量和等规序列长度及其分布，微观结构与进口料相近；
As results, the morphological structure of the product was close to that of the abroad with suitable molecular weight distribution, isotacticity and section distribution.
本发明的方法提供了良好的反应速率和转 化率，在实现控制最终产品聚合物的分子量上特别有利。
Processes of the invention provide good reaction rates and conversions, and are particularly advantageous in achieving control of the molecular weights of the final product polymers.
实验结果表明，改变酸醇比例可以控制聚酯分子量，扩链改性后的产物结晶度下降、力学性能提高、降解性能也得到改善。
Results indicated that changing the proportion between the acid and alcohol could control the molecular weight of the polyesters and the modified poly-(butylenes su…
研究结果表明：通过对聚合时间以及引发剂用量的控制，合成出高分子量聚l -乳酸。
Experimental results show that high molecular weight PLLA can be obtained by control of the polymerization conditions.
合成时应对此进行严格控制和调整，使LGV产物具有合理的平均分子量分布。
The reaction temperature should be controlled in order to make LGV samples have proper average molecular mass.
本方法合成的聚合物的网络大小可以很方便地通过线性聚合物的分子量或交联剂的用量来很好地控制；
The network size of the polymer synthesized by the method can be well controlled simply through the linear polymer molecular weight or the dosage of the cross-linker;
蛋白质水解物的功能性质与水解物的分子量相关可通过控制水解程度来得到理想性质的蛋白水解物。
The properties of hydrolysates are related to their molecular weight (MW). The hydrolysates with desired properties can be made by controlling deg ree of hydrolysis (DH).
同时为建立水解反应条件的控制与水解产物分子量之间的关系提供一定的依据。
The results are expected to help to better understanding of the relation between the hydrolysis condition and the molecular weight of …
选择影响指标的主要工艺参数作为决策变量，以产品理想分子量分布为目标，采用序贯二次规划(SQP)算法对缩聚生产过程进行优化控制。
Selecting main operating parameters as decision variables and desired WMD as control goal, polycondensation production process is controlled by sequential quadratic programming (SQP) algorithm.
对聚合动力学和分子量的控制进行了研究。研究表明，此种苯乙烯本体聚合体系具有明显的活性自由基聚合特征。
The results confirmed the distinct living polymerization character of the reaction system and showed that among the three obtained RAFT agents BDB was the best for styrene bulk polymerization system.
对聚合动力学和分子量的控制进行了研究。研究表明，此种苯乙烯本体聚合体系具有明显的活性自由基聚合特征。
The results confirmed the distinct living polymerization character of the reaction system and showed that among the three obtained RAFT agents BDB was the best for styrene bulk polymerization system.
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