The experimental results of disproportionation of propylene on WO_3-SiO_2 catalyst to form ethylene and butylenes were reported.

13.71% ethylene, 21.45% propylene and 11.34% butylenes were obtained under a reaction temperature of 610 ℃;

在兼顾乙烯和丙烯生产的操作条件下，乙烯、丙烯和丁烯产率分别达到13.71%、21.45%和11.34%；

Novel adsorbent for removal of sec-butanol from recycle butylenes in MEK unit

甲乙酮装置循环丁烯脱除仲丁醇吸附剂

Domestic developed technologies for utilization of hydrogen, ethylene, propylene and butylenes in refinery gas are reviewed.

简述了我国炼厂气中氢气、乙烯、丙烯和丁烯等资源的综合利用技术。

The reaction features of the catalytic conversion of butylenes to propylene and ethylene were investigated.

探索了丁烯催化转化为丙烯、乙烯的反应特点。

Factor Analysis for the Increasing of Pressure Drop in Fixed-bed Reactor of Butylenes Hydration and Corresponding Solution

丁烯水合反应器床层压降分析及解决方案

Study on the production of propylene and ethylene by catalytic cracking of butylenes

丁烯催化裂解制取丙烯及乙烯的研究

Study on Catalyst and Process of Mixed Butylenes Oligomerization(ⅱ)

混合丁烯齐聚催化剂及其工艺研究（下）

The Corrosion and Protection of Enamel Reacter in Production of Polyvinyl Butyral

聚乙烯醇缩丁醛生产中搪瓷釜的腐蚀与防护

Fabrication of SiOC Ceramic Foam with Silicon Resin and Polyvinyl Butyral

以PVB为造孔剂采用硅树脂制备泡沫陶瓷

This main research of method determines the residue amount of the butyral hydrazine in the peanut kernel fast.

本方法主要研究了快速测定花生米中丁酰肼的残留量。

The process of polyvinyl butyral ( PVB) was briefly introduced.

简述了聚乙烯醇缩丁醛生产的工艺流程。

Production of etching primer by using radiation-treated high viscosity polyvinyl butyral resin

用辐照技术处理高粘度聚乙烯醇缩丁醛树脂生产磷化底漆

Fabrication of a Coated Wire Enzyme Electrode Based on the Polyvinyl Butyral Membrane

聚乙烯醇缩丁醛膜涂丝酶电极构造方法的研究

Study on Properties of the Coated AN with Polyvinyl Butyral

聚乙烯醇缩丁醛包覆硝酸铵的性能研究

Preparation of High Viscosity Polyvinyl Butyral Resin and Film

高黏度PVB树脂及薄膜的制备

Determination of Molecular Weight and Thermal Properties of Polyvinyl Butyral Resin

聚乙烯醇缩丁醛树脂分子量和热性能的测定

Synthesis of 4-[ ( 4-chlorophenyl) ( 5-fluoro-2-hydroxyphenyl) methylene amino] butyrates and Its Anticonvulsant Activity

4-[（4-氯苯基）（5-氟-2-羟基苯基）亚甲氨基]丁酸酯类的合成及其抗惊厥活性

Conclusions Butyrates and NSAIDs could induce apoptosis individually. Combination with the two drugs could enhance the above effects by down regulating cyclooxygenase 2 expression.

结论单用丁酸盐和2种NSAIDs制剂均有促凋亡作用，联用可通过下调环氧化酶2的表达进一步增强疗效。

The content of butyrates and butyl esters in peel were higher than in flesh.

且在果皮中丁酸酯类和丁酯类含量比果肉中显著增加。

The effects of butyrates and non-steroidal anti-inflammatory agents on HT-29 colonic carcinoma cells

丁酸盐与非甾体抗炎药对大肠腺癌细胞HT-29的作用