Biological lipids originate from ketoacyl and isoprene groups.
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2. 首次利用维生素C催化乳酸和异戊醇合成了乳酸异戊酯。
Vitamin C as catalyst was first used in the synthesis of isoamyl lactate from lactic acid and isoamyl alcohol.
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3. 研究了用四氯化锡催化己酸和异戊醇合成己酸异戊酯的反应。
Isoamyl hexanoate could be synthesized using stannic chloride from caproic acid and isoamyl alcohol.
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4. 用丁酸和异戊醇为原料，复合固体酸为催化剂合成了丁酸异戊酯。
Isoamyl butyrate was synthesized from butyric acid and isoamyl catalyzed by composite solid acid as the catalyst.
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5. 以乙酸和异戊醇为原料，采用硅胶载体酸为催化剂合成乙酸异戊酯。
The synthesis of i amyl acetate from i amylic alcohol and acetic acid using silica gel carrier acid as catalyst is reported.
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6. 以自制的硅胶固载硫酸镓为催化剂，正丁酸和异戊醇为原料合成了丁酸异戊酯。
Isoamyl butyrate was synthesized by using gallium sulfate supported on silica gel as the catalyst.
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7. 本工作首次制备了醇改性负载钛催化剂，并将其用于丁二烯和异戊二烯配位聚合。
Supported titanium catalysts modified by alcohols were prepared for the first time, and the modified catalysts were used for the coordination polymerization of butadiene and isoprene.
Synthesis of isoamyl formate, isoamyl acetate, isoamyl propionate, isoamyl butyrate, isoamyl isobutyrate and isoamyl isovalerate by catalysis of hydrated ferric chloride are reported.
"Instead of producing one product, a cluster of facilities could produce ethanol, green gasoline or diesel, jet fuel, and industrial chemicals such as isoprene," he explains.
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11. 树木分泌的天然化学物质异戊二烯和萜烯被认为可保护树叶免受过多热量和阳光的伤害。
Trees produce natural chemicals, called isoprene and terpene, that are thought to protect their leaves from too much heat and sunlight.
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12. 剩余的异戊二烯则用以生产其它产品，包括胶水，纸尿裤和医用乳胶手套。
The rest goes into making other products, including glues, disposable nappies and surgical gloves.
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13. 本文研究了在高压汞灯照射下，二苯甲酮和3,4 -聚异戊二烯间的能量传递机理。
This paper studied the energy transmission mechanism between benzophenone and 3, 4-polyisoprene which were irradiated by high pressure Hg lamp.
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14. 使用G93算法，换算出相应异戊二烯和单萜烯的标准排放因子，并划分了这些排放因子的等级。
The conversion of relevant standard emission factors of isoprene and monoterpene were made using G93 arithmetic technique, and the grade of these factors was classified.
The pyrolysis dynamics of nature rubber, isoprene rubber and butadiene rubber was investigated by thermogravimetry analysis (TG) and differential thermogravimetry analysis (DTG).
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16. 采用自燃点法对硝酸戊酯和硝酸异辛酯的性能进行了试验研究。
The autoignition temperature method was adopted in this paper to investigate the performance of amyl nitrate and isooctyl nitrate.
From the application of cyclopentadiene, dicyclopentadiene, isoprene and piperylene and the application of C5 petroleum resin, the paper analyzes the comprehensive application of cracking C5.
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18. 研究环氧化反式1，4 聚异戊二烯（ETPI）在轮胎锦纶帘布层胶和钢丝带束层胶中的应用。
The application of epoxidized trans-1,4-polyisoprene(ETPI) in the nylon carcass ply compound and steel belt compound of radial tire was investigated.
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19. 用自燃点法对硝酸戊酯和硝酸异辛酯的性能进行了试验研究。
Experimental investigation of performance of amyl nitrate and isooctyl nitrate is made.
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20. 对催化剂的制备条件和戊二酸二异辛酯的合成条件进行了研究。
The preparation conditions of the complex catalysts and esterification conditions were studied.
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21. 对掺用反式1，4 聚异戊二烯（TPI）的胎面和胎侧胶料进行了试验。
The trans 1,4 polyisoprene (TPI) containing tread and sidewall compounds were tested.
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22. 属于制备聚异戊二烯的稀土催化剂及制法和制备聚异戊二烯的方法。
This invention belongs to rare earth catalyzer for preparing polyisoprene, and its preparation method.
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23. 异丁烯和不大于3%的异戊二烯催化共聚所生成的合成弹性体。
A synthetic elastomer produced by catalytic copolymerization of isobutene with no more than 3% of isoprene;
Luhua isoprene rubber (LHIR) is a kind of solution-polymerization polyisoprene with high cis-1, 4 content and high molecular weight.
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25. 新戊二醇主要用于制造高档树脂和粉末涂料，工业上采用甲醛和异丁醛缩合合成。
Neopentyl glycol is mainly used for making top-grade resin and powder coating, which is produced industrially by the condensation route using formaldehyde and isobutyraldehyde as raw materials.
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26. 中低相对分子质量反式- 1,4 -聚异戊二烯蜡和反式- 1,4 -聚丁二烯蜡的合成。
Synthesis of medium and low relative molecular mass trans-1, 4-polyisoprene wax and trans-1, 4-poly butadiene wax.
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27. 本发明涉及用于制备聚异戊二烯的磺酸稀土催化剂及制法和应用。
The invention relates to sulfonic acid rare earth catalyst used for preparing polyisoprene and preparation method and application thereof.
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28. 研究环氧化反式1,4聚异戊二烯(ETPI)在轮胎锦纶帘布层胶和钢丝带束层胶中的应用。
The application of epoxidized trans-1, 4-polyisoprene (ETPI) in the nylon carcass ply compound and steel belt compound of radial tire was investigated.
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29. 研究环氧化反式1,4聚异戊二烯(ETPI)在轮胎锦纶帘布层胶和钢丝带束层胶中的应用。
The application of epoxidized trans-1, 4-polyisoprene (ETPI) in the nylon carcass ply compound and steel belt compound of radial tire was investigated.
