study on ng catalyst for propylene gas phase polymerization process

1、

studies on gas - phase polymerization of cellulose acetate

气-固相反应制备醋酸纤维素

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2、

synthesis of pe -pp -epr in -situ alloys by sequential multi -stage gas phase polymerization

多段气相法制备聚乙烯-聚丙烯-无规乙丙共聚物原位合金

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3、

studies on macro-kinetics of gas phase polymerization of butadiene with rare-earth catalyst

稀土催化剂上丁二烯气相聚合的宏观动力学研究

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4、

detection of agglomeration in gas-phase polymerization fluidized-bed by using sound wave technique

气相聚合流化床内聚合物结块的声波检测技术

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5、

simulation of particle growth in gas phase polymerization of butadiene by the multigrain model

用多粒模型模拟丁二烯气相聚合的颗粒增长

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6、

application of advanced control technique in gas-phase polymerization polypropylene device

先进控制技术在气相法聚丙烯装置的实施

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7、

gas phase polymerization of isoprene catalyzed by supported neodymium naphthenate catalytic system

负载型环烷酸钕催化体系催化异戊二烯的气相聚合

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8、

modeling of the molecular weight distribution and the particle size distribution for polymer of the gas phase polymerization of butadiene

丁二烯气相聚合产物分子量分布和粒径分布模型研究

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9、

the bacteria of the genus mycoplasma (trivial name: mycoplasmas) and their close relatives are largely characterized by lack of a cell wall.

细菌属支原体（小事名称：支原体）和他们的近亲，主要特点是缺乏一个细胞壁。

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10、

method of calculation of heat dissipating capacity of rectangular fins

矩形直肋散热器的散热量的计算方法

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11、

two kinds of methods of full rank decomposition on matrix

矩阵满秩分解的二种方法

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12、

by averaging the previous results, a new covariance matrix is obtained. it is a full rank matrix.

对其进行平均后，所得到的相干信号协方差矩阵具有满秩性。

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13、

and all of these approaches are derived from the full rank decomposition technique for the incidence matrix.

这些方法都是基于网关联矩阵的满秩分解。

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14、

ab initio investigation of structures and stability of gannm clusters

从头计算对GanNm团簇的结构与稳定性的研究

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15、

to look for new exploration targets become an austere task based on an detailed re-investigation of structures and sedimentations.

对构造、沉积特征进行精细研究，寻找新的勘探目标成为一项严峻的任务。

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16、

characteristics of snow relief and weather for china's third expedition profile of the antarctic inland ice sheet

中国南极第三次内陆冰盖考察剖面的雪貌及气象特征

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17、

inland ice fields give way along chile's coast to a maze of islands and fjords.

沿着智利的海岸线，内陆冰原被迷宫般的岛屿和海湾所代替。

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18、

for welding internal circuit board 1241 of the power supply(for substitution);

焊接电源内部电路板1241用（替换用）

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19、

before no reliable measures taken, forbid to touch the internal circuit boards to prevent any damage.

在未采取可靠的措施前，不得触摸继电器内部电路板，以免静电损坏电路板。

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20、

internal circuit protection includes thermal shutdown with hysteresis , under voltage lockout , locked rotor and dead time protection .

内部电流保护包括因滞后引起的过热关机、接地钳位反激二极管及交叉电流保护。

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