1) Multiple Regions Composite
多区复合
2) multilayer complex goaf
多层复合空区
3) multiple trait composite interval mapping
多性状复合区间定位
4) composite zone
复合区
1.
The problems in composite zone of mine and grain involve environment,mine,agriculture,economy,etc,and the grain safety and environment are the most acute problems,those problems need to study systematic ally.
矿粮复合区涉及环境、矿业、农业、经济等多个学科的交叉、复合问题,环境和粮食安全问题尤为突出,目前缺少系统研究。
5) recombination zone
复合区域
1.
Considering the formation and disassociation of polaron-excitons,an analytical model to calculate the width of recombination zone and the external quantum efficiency in single layer OLED is presented.
5mol%), 则由于能量分布的无序性,增大了载流子迁移速度,使复合区域加宽。
2.
An analytical model to calculate the width of recombination zone and the external quantum efficiency in single layer OLEDs was presented, in which the recombination probability was defined as the a product of the probability of formation of the excitons and the probability of its conversion into the excited singlet or triplet states.
建立了单层有机电致发光器件复合区域和外量子效率的模型,讨论了外加电压与器件厚度对复合区域和外量子效率的影响。
补充资料:多苯基多亚甲基多异氰酸酯
多苯基多亚甲基多异氰酸酯,简称PAPI,或称粗MDI,浅黄色至褐色粘稠液体.有刺激性气味。相对密度(20℃/20 ℃)1.2,燃点218℃。PAPI实际上是由50%MDI与50%官能度大于2以上的多异氰酸酯组成的混合物。升温时能发生自聚作用。溶于氯苯、邻二氯苯、甲苯等。PAPI的活性低,蒸气压低,只是TDI的百分之一,故毒性很低。
用于制造聚氨脂胶粘剂。也可直接加入橡胶胶粘剂中,改善橡胶与尼龙或聚酯线的粘接性能。贮存于阴凉、通风、干燥的库房内,远离火种、热源。严格防水、防潮,避免光照。
用于制造聚氨脂胶粘剂。也可直接加入橡胶胶粘剂中,改善橡胶与尼龙或聚酯线的粘接性能。贮存于阴凉、通风、干燥的库房内,远离火种、热源。严格防水、防潮,避免光照。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条