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- The viscous flow activation energy of modified coal tar pitches markedly increases with rise of TS content,and pre-exponential factor A decreases. 随温度的升高或剪切速率的增加,改性媒沥青的粘度降低:随TS含量增加,改性煤沥青的流动活化能厂变小、指前因子A变大; 煤沥青在改性过程中可通过工艺的调整来控制煤沥青的粘度,以满足不同的使用要求。
- The flow behavior of antistatic IPP melt is better than that of IPP melt andthe flow activation energy of the former is also lower than that of the latter. 抗静电的等规聚丙烯熔体的流动特性比等规聚丙烯好,其粘流活化能也比等规聚丙烯低;
- The influences of shear rates on flow activation energy was investigated.Activation energy of PP,LDPE and LLDPE resins were higher than HDPE at the same shear rate. 结果发现,相同剪切速率下,PP、LDPE、LLDPE的粘流活化能相对较高,HDPE树脂的粘流活化能相对较低,说明PP、LDPE和LLDPE对温度的敏感性较高,即升温有利于LDPE和LLDPE的加工;
- The die pressure, apparent viscosity, flow activation energy of mPE and its blends reduce greatly, productivity increases in the presence of ultrasonic oscillations during extrusion. 超声频率的增加,功率越大,熔体表观粘度越低,平均作用时间越长,熔体表观粘度降低的程度也越大。 施加250W超声挤出可使mPE加工温度降低18℃、口模压力降低45%25、挤出产量增加1倍,而表观粘度则会降低近50%25。
- It is discovered that there are compensation relations for flowing activation energy and freq... 果汁的流动活化能与频率因子间存在着补偿关系。
- The flow active energy and viscosity of PPS was reduced and its rheology was modified appreciably by blending it with a small amount of thermotripic liquid crystalline polymers. 在聚苯硫醚中加入少量的热致液晶聚合物可降低其流动活化能和表观粘度,显著改善聚苯硫醚的流变性能。
- Keywords LIR;dynamic rheological behavior;flow activation energy; 液体聚异戊二烯;动态流变行为;流动活化能;
- Keywords Biodegradable Copolyester;Rheological Behavior;Non-Newtonian Index;Viscous Flow Activation Energy; 生物降解共聚酯;流变性能;非牛顿指数;黏流活化能;
- Keywords rylonitrile;vinyl acetate;copolymer;dimethylacetamide;rheological behavior;viscous flow activation energy;apparent viscosity; 丙烯腈;乙酸乙烯酯;共聚物;二甲基乙酰胺;流变性能;粘流活化能;表观粘度;
- Keywords engine lubricant,environment friendliness,Biodegradable,low-temperature property,base oil,viscosity index improver,flow activation energy,jellification theory; 内燃机润滑油;环境兼容;可生物降解;低温性能;基础油;粘度指数改进剂;流动活化能;成胶理论;
- viscous flow activation energy 黏流活化能
- Flow activation energy 黏流活化能
- ENZYMES enhance reaction rates by lowering the activation energy. 酶可以使反应的活化能降低从而加快反应速率。
- The overall activation energy of copolymerization is 3. 5 kcal/mol. 聚合总活化能为3.;5千卡/克分子
- And the apparent activation energy was calculated by the Arrhenius equation. 并利用 Arrhanius 方程测定了表观活化能。
- The calculated activation energy of TiC forming is about 94 +7 kJ/mol. 根据镀层厚度与镀覆温度和时间的关系,得出碳化钛形成的激活能为94±7kJ/mol。
- The body's healing potential is at its peak and bioenergetics weak points are harmonized and the body's own energy flow activated. 此时,身体的愈合潜力达到极点,协调生物能量低点,激活身体自身的能量流动。
- Catalysts that lower markedly the activation energy of the reactions are required. 需要显著降低反应活化能的催化剂。
- The key to the cure of arthritis is to activate energy to flow in the channels and collaterals and treat arthralgiasyndrome. 治疗关节炎,关键在于活络通痹。
- The association chain implied is general reactivity, delocalization, heat of reaction, activation energy, velocity constant. 和该量有牵连的因素是一般活性,离域作用,反应热,活化能,速度常数。