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- DSC showed that LCP accelerate the crystallization rate of PET. DSC分析表明,LCP的加入对PET的结晶起到了促进的作用,并在一定程度上提高了结晶度。
- A kind of PET/GF composite with good mechanical properties and rapid crystallization rate was prepared. 制备了结晶速率快、力学性能优异的玻纤增强聚对苯二甲酸乙二酯(PET/GF)。
- The presence of SDS and CTAB were shown to shorten the induction period, increase the crystallization rate. 考察了两种表面活性剂单独存在时和复配使用时对沸石晶化速率、产品粒度分布的影响。
- In comparision with PET,the crystallization rate of both copolyesters are also decreased. 共聚酯的结晶速率也慢于纯PET的结晶速率。
- The results shows that the addition of nucleating agents increased the onset temperature and peak temperature and improved crystallization rate of PP. 结果表明，两种成核剂的加入均可提高聚丙烯的结晶起始温度和结晶峰温度，并加快结晶速度。
- RESULTSThe main factors which influenced the protein crystallization rate of Momordica charantia L.is CBA,the best is A3B1C3. 结果影响苦瓜蛋白结晶得率的主要因素依次是加入氯化钠的倍数,温度及乙醇浓度,最佳工艺为A3B1C3。
- The spherulitic growth rate and isothermal crystallization rate of PEG or PLLA were influenced when the other component was added. 当其中一成分的增加会影响PEG或PLLA的球晶成长和等温结晶的速率。
- In polyamide 6, unmodified silica nanoparticles increase the crystallization rate of the matrix while modified ones degrease it [8]. 在聚酰胺6 ，修改增加纳米二氧化硅结晶速率的矩阵，而修改的脱脂它[ 8 ] 。
- The melt behaviour and crystallization rate of two kind copolyesters(additive monomer:IPA and AA)prepared by solid state polycondensation were studied. 通过固相缩聚合成了两种不同结构的高分子量共聚酯，研究了样品的熔融行为和结晶速率。
- This method possesses following advantages: (1) only a small amount of sample is needed;(2) the crystallization rate of (t1/2) not less than about 40 sec. can be me asured. 本方法的优点是:样品用量少,测试温度范围宽,可以测定较快的结晶过程。
- Samples with higher orientation would show an increase in crystallization rate after shorter annealing time.These phenomena were explained by cohesional entanglement viewpoint. 取向程度高的样品则经较短的老化时间即可出现这种情况.;对上述现象用凝聚缠结的观点加以解释
- But due to its slow crystallization rate it faces many limitations in engineering plastic field.It must be modified to improve its processability and mechanical properties. 但由于它的结晶速度较慢,因而使其在工程塑料领域中的应用受到了限制,必须通过改性提高其加工性能及力学性能。
- The effect of temperature,feed molar ratio and other factors on the crystallization rate and neodymium oxide content in neodymium carbonate was investigated in detail. 研究了温度、加料比等结晶条件对结晶速度和结晶碳酸钕中氧化钕含量的影响。
- The results showed that the presence of SDS could shorten induction period of nucleation, increase the crystallization rate and decrease the particle size of zeolite 4A with the incr... 结果表明,加入SDS可以缩短4A沸石晶化过程中的诱导期,随着反应混合物中SDS加入量的增大,4A沸石的晶化时间缩短,产物粒度减小。
- In the experimental region selected in this study, the crystallization rate constant K decreases and crystallization half-time t1/2 increases with increasing crystallization temperature. 在本实验的温度范围内，随着等温结晶温度Tc的升高，同种聚酯的结晶速率常数K减小，半结晶时间t1/2增加；
- At this rate we won't be able to afford a holiday. 照这样下去，我们不会有时间／钱去度假的。
- Crystallizing behaviour of PET/TPEE polyblends was studied by JJY 1A crystallization rate equipment and DSC. 运用DSC、结晶速度仪对PET／TPEE共混物的结晶行为进行了研究。
- The results showed the addition of nucleating agent HC made the crystal grain more fine, shortened the induction period of crystallization and increased the crystallization rate of POM greatly. 结果表明，高摩尔质量羧酸盐类成核剂HC的加入，使POM晶粒细化，结晶诱导期缩短，显著提高了POM的结晶速率。
- Results show that PP-R and PP-B are crystallizable,but the crystallization rate and crystallinity of PP-R are slower and lower than that of PP-B. 结果表明,PP-R和PP-B都能结晶,但PP-R结晶较慢、结晶度较低;
- This set of crystal wine cups is very expensive. 这套水晶玻璃酒杯非常昂贵。
