查询词典 ethylene

The three-phase intergrowth molecular sieve can be used for preparing ethylene and propylene by catalytic-cracking naphtha in the industrial production.

该三相共生分子筛可用于石脑油催化裂解制乙烯丙烯的工业生产中。

The industrial manufacturing technique, the trend of development of neohexene ,and the characteristics of these production technique were reviewed and analyzed in the paper, particularlyabout the selective dimerization of isobutylene and metathesis of βdiisobutylene with ethylene were introduced.

对新己烯生产技术的现状和今后的发展趋势进行了综述，分析了由异丁烯和乙烯生产新己烯的技术特征，讨论了烯烃二聚工艺和催化剂、烯烃复分解工艺及相应的催化剂，指出了各种工艺的优势和不足。

The process to ethylene oxide and carbon monoxide can be recycled as raw material, has been lactone intermediate C, which produce more low-cost and environmentally friendly acrylic products.

该工艺以环氧乙烷和可循环利用的一氧化碳为原料，得到中间体丙内酯，进而生产出更加廉价和环境友好型的丙烯酸产品。

Technology of Licensor Ⅰ has disadvantages of high investment, high energy consumption and great ethylene loss.

我国近年还将建设多套大型乙烯装置，而不同专利商的乙烯技术是有优劣之分的。

Technology of Licensor Ⅰ has disadvantages of high investment,high energy consumption and great ethylene loss.

摘要我国近年还将建设多套大型乙烯装置，而不同专利商的乙烯技术是有优劣之分的。

This result implicated that LOX had commence to the initiation of fruit softening and was positively regulated by ethylene.

研究同时发现，LOX在这两种果实软化的启动阶段都起了明显的促进作用，其活性受乙烯利和1-MCP的调节。

Polytetra-fluoro-ethylene thin membrane,pass through cut tie by poly-4 fluorous second fluidized resinde,after sinter cut but succeed,direct membrane transfusives membrane transfusive membrane mangler direct but succeed again,It has undeniable electrical equipment insulate behaviopural,non-ageing and extensive use temperature lint.

聚四氟乙烯薄膜，车削带由聚四氟乙烯悬浮树脂经模压，烧结后车削而成。定向膜将车削膜再经压延机定向而成，它具有优良的电器绝缘性能，不老化及广阔的使用温度范围。

The effects of ethylene on some physiological characteristics of maize Zea mays L.

研究了在不同水分条件下盆栽的玉米Zea mays L。

Therefore, the basis of these, Tangshan Bay will focus on the development of millions-ton oil refining project, large-scale petrochemical ethylene megaton integration and complementary projects.

所以，根据这些，唐山湾将重点发展千万吨级炼油项目、百万吨级乙烯大型炼化一体化及配套工程项目。

ACC level and ACC oxidase activity in mesocarp were consistent with the onset of ethylene production in fruit.

在乙烯跃变上升时果肉中ACC氧化酶的活性下降，ACC含量和ACC合成酶活力的变化与乙烯生成量变化的趋势一致。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。