双氰胺

A novel bismaleimide-modified cyanate ester was prepared to improve heat resistant,mechanical property and molding process of this type of resin.

制备了一种新型的双马来酰亚胺改性氰酸酯树脂以提高这类树脂的耐热性，力学性能及成型工艺性。

Resins: gum dammar; PU dispersion; silicone resin, epoxy resin, alkyd, acrylic Resin, polyester resin, urethane resin, polyamide resin, amino hardener; two pack hydroxy acrylic, two pack isocyanate-free acrylic; vinyl chloride co-polymers, polyvinyl butyrals, thixotropic resin.

树脂类：达玛树脂；水性PU分散体；有机硅、环氧、醇酸、丙烯酸、聚酯、聚氨酯、聚酰胺、氨基固化剂；双组份羟基丙烯酸、双组份不含异氰酸脂丙烯酸；聚氯乙烯共聚物、聚乙烯醇缩丁醛、触变性树脂。

Its main products include:ZOLEDRONIC ACID, ADAPALENE, SIMDAX, VORICONAZOLE, J ACID UREA, J ACID UREA SODIUM SALT, 1,7-CLEVE'S ACID, 1,6-CLEVE'S ACID, 1,5- DINAPHTHYL ISOCYANATE, 5- INROINDOLE,----2-METHOXYIMINO-2-（FURYL-2-YL）ACETIC ACID AMMONIUM SALTand etc.

部分产品远销美国、德国、英国、印度、日本等十几个国家和地区，主要产品有：唑来磷酸、阿达帕林、左西孟旦、伏立康唑、猩红酸、猩红酸钠盐、双介酸、1，7克力夫酸1，6克力夫酸、1，5-萘二异氰酸酯、5-硝基吲哚、甲氧亚胺基呋喃乙酸铵等。

In addition, the viscoelastic effects on the phase separation, the chemorheology and the critical gelation of the blends during isothermally curing were also studied.

第二部分研究了双酚A型氰酸酯树脂改性二苯甲烷型双马来酰亚胺树脂体系中的固化反应机理及其对改性体系结构的影响。

Department of Physiology, Second Military Medical University, Shanghai 200433, China Abstract: Bioassay of bifenthrin, deltamethrin, amitraz and fluvalinate on worker of Apis mellifera was conducted by food in take method.

第二军医大学生理学教研室，上海 200433 摘要：利用摄入法测定联苯菊酯、溴氰菊酯、双甲脒和氟胺氰菊酯对意大利蜜蜂工蜂的毒性。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。