The type of cyanate ester resin ( CE ) and its modification by thermosetting thermoplastics rubber elastomer and unsaturated compound with double bond are reviewed .

综述氰酸酯树脂（CE）的种类及热固性树脂、热塑性树脂、橡胶弹性体、 含 不 饱和 双键 化合物等对CE树脂的改性。

This paper introduced a low yellowing excellent flame retardant unsaturated polyester resin synthetized from a special chemical structure brominated compound and its chemical physical properties .

采用一种特殊化学结构的含溴 化合物为主要原料，合成了一种具有老化变黄度小、阻燃性能优越的 不 饱和聚酯树脂，介绍了此树脂的化学物理性能。

Study on Preparation and Dispersion Property of Unsaturated Carboxylic Acid Copolymer AE Water reducing Agent Study on the Preparation of Anthracene Series Compound Water Reducing Agent

羧酸类共聚物AE减水剂的合成与分散性能研究蒽系 复合减水剂的制备

Two constituents with antioxidation capability were separated from the acetone extracts of grape seed by TLC by simple qualitative analysis one may be flavonoid and the other may be unsaturated compound .

经薄层色谱分离得到两种抗氧化组分，简单定性实验推测其中一种组分可能为黄酮类化合物，另一种可能为 不 饱和 类 化合物。

The unsaturated organic compound ~ 3H-levonorgestrel is prepared via its tritiated intermediate made by electric discharge method which ensures the unsaturated compound not to be hydrogenated .

采用化学 合成法制备了不饱和有机化合物~3H-左旋18-甲基炔诺酮，确保了 分子 中 的 炔基不被氢化。

We deduced that reactivity of unsaturated carbonyl compound was : Aldehyde > ketone > ester .

并推测出 不 饱和羰基 化合物的反应活性为：醛＞酮＞酯。

A compound of polyurethane / unsaturated polyester is prepared to modify the toughening and shrinking property of UPR the curing behavior of the compound is also investigated .

为了提高 不 饱和聚酯树脂（UPR）的韧性，降低它的体积收缩率，采用聚氨酯（PU）对UPR进行了改性，并研究了 PU/UPR共混 物的固化性能。

A detailed discussion of amorphous alloy catalyst in hydrogenation of unsaturated compound is presented . Preparation of 3 by Catalytic Hydrogenation

非晶态镍合金催化剂加氢 合成 3二氯苯胺

( RESULTS : ) There were alkane ( C_ ( 10 )~ C_ ( 40 )) alkene alcohols unsaturated aldehydes unsaturated ketones carboxylic acid ester heterocyclic compound and aromatic hydrocarbon in essential oil in Mulberry Leaves .

结果：所分离出的化合物中含有烷烃（C10~C40）、烯烃、不饱和醇、不饱和醛、 不 饱和酮、羧酸、酯、杂环 化合物及芳香族化合物。

Study on Unsaturated Polyester Molding Compound with High-Temperature Resistance and Low Shrinkage

耐高温低收缩率 不 饱和聚酯模 塑料的研究

Preparation of Epoxy Acrylic Ester / Unsaturated Polyester Moulding Compound

环氧丙烯酸酯/ 不 饱和聚酯模压 料的研制

Studies on synthesis of α - unsaturated carboxylic acid from ally nitro compound

烯丙基硝基 化合物合成α，β- 不 饱和羧酸的研究

Some highly unsaturated members of this type of compound have been shown to serve as precursors of ordered carbon materials .

其中一些高度 不 饱和的此类 化合物被作为是有序碳材料的前驱体。

This paper introduces a high-temperature resistant and low shrinkage unsaturated polyester molding compound used for a novel reflector of automobile lamp .

研究了一种满足新型汽车车灯反射器的使用要求的低收缩率的耐高温 不 饱和聚酯模 塑料。

Many luminescence centers which have different strength in the three dimensional fluorescence spectrum of heat-filling treated amber are closely related to the unequal amounts of incorporated unsaturated ester copolymer and aromatic compound from foreign sources by heat-filling treatment .

热填充处理琥珀的三维荧光光谱中存在多个强弱不等的发光中心，它们与热填充处理过程中添加了外来不等量的 不 饱和酯共聚物或芳香族 化合物有关。

The state of quality and existential problems of unsaturated polyester moulding compound for electrical insulation

我国电工用 不 饱和聚酯模 塑料的质量现状及存在问题