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

1、

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%；

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2、

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

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3、

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。

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4、

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。

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5、

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

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6、

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

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7、

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）

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8、

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

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9、

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

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10、

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。

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11、

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。

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12、

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

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13、

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

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14、

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

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15、

Preparation of High Viscosity Polyvinyl Butyral Resin and Film

高黏度PVB树脂及薄膜的制备

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16、

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

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17、

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

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18、

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。

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19、

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。

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20、

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

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