Isocyanate-capped reactive hot melt adhesive(RHMA) based on poly(hexanediol adipate)(PHA)/poly(diethylene glycol adipate) (PDEA) and methylene di-p-phenyl diisocyanate(MDI) have been prepared.
用不同比例的聚己二酸己二醇酯 ( PHA) /聚己二酸一缩二乙二醇酯 ( PDEA)和 4 ,4′-二苯甲烷二异氰酸酯 ( MDI)合成了不同结晶含量的反应性热熔胶 ( Reactive hotmeltadhesive,RHMA) 。
Principles of reactions in the synthesis of rare earth fluorides in RE_2O_3-NH_4HF_2 systems;
RE_2O_3-NH_4HF_2系合成稀土氟化物的反应规律
Study of mass transfer and bio-reaction of restaurant wastewater treatment in biological packing tower;
生物填料塔处理餐厅污水传质反应研究
Simulation and analysis of ethanolamine reaction process;
乙醇胺反应工艺模拟与分析
The cumulative effects of acid rain on the soil and responses of Schima superba at Dinghushan;
酸雨对鼎湖山土壤的累积效应及荷木的反应
Behavioral responses of bird cherry-oat aphid,Rhopalosiphum padi,to temperature gradients;
禾谷缢管蚜对温度梯度的行为反应
Review of Progress in Response to Fruit Trees under Water Stress;
果树水分胁迫反应研究进展
Advances in Research on Plants Reactions under Phosphate Starvation;
植物对磷饥饿的反应研究进展
Topics discussed in this article includes synthesis and structures of R2M2(CO)4, the reactions of its metal-metal triple bond with various reagents (such as nucleophiles, carbon-carbon mu.
本文对一类重要的ⅥB族金属叁键化合物R_2M_2(CO)_4(R为环戊二烯基及类环戊二烯基)近年来的研究成果进行了综述,综述重点是这类化合物的官能团M≡M参键的化学活性,全文包括R_2M_2(CO)_4的合成及结构,M≡M叁键与亲核试剂、与碳-碳重键,与氧或与金属羰基物等试剂的反应及其应用。
Arabidopsis Mutants Used in Researches on Plant Responses to Phosphate Starvation;
拟南芥突变体在磷饥饿反应研究中的应用
Choice responses of oriental fruit fly,Dacus dorsalis(Hendel) adults(immatures and matures) at different time(5,10,15,20,30,40,50 and 60 min) to the volatiles from intact mango fruits at different doses(250,500,750,1 000 g),and that from mango pulps at different doses(0.
0 g,10 g)挥发物的反应。
Choice responses of Dacus dorsalis(Hendel) adults(immatures and matures) at different time(5,10,15,20,30,40,50,60 min) to the volatiles from banana pulp at different doses(0.
利用Y-型嗅觉仪测试了桔小实蝇不同生理状态下(性成熟与性未成熟)两性成虫在不同时间内对不同剂量香蕉果肉挥发物的行为反应。