surface and cross-section topography of the coated urea with paraffin wax-rosin mixture and its release characteristics

1、

why not to recharge bc type portable dry powder fire extinguisher

BC型手提式干粉灭火器为何不能换装灭火剂

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2、

12 and cailiaoku pump room, factories are equipped with powder fire extinguisher.

工厂材料库、油泵房等配备干粉灭火器。

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3、

as per design standards, portable dry powder fire extinguisher will be provided externally and within the electrical control building.

依照设计标准，在电控建筑内便携式干粉灭火器会从外部配备。

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4、

rat dental papilla cell culture with nanometer-hap in vitro

大鼠牙乳头细胞与纳米羟基磷灰石的体外复合培养

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5、

comparative study of the effect of sclerosing agent injection therapy on venous malformation in the oral and maxillofacial regions

硬化剂治疗口腔颌面部静脉畸形疗效的对比研究

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6、

studies on kinetic model of gas phase polymerization of butadiene

丁二烯气相聚合动力学模型研究

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7、

studies on gas phase polymerization of butadiene on rare-earth nd catalyst

稀土钕催化剂上丁二烯气相聚合过程研究

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8、

study on ng catalyst for propylene gas phase polymerization process

用于丙烯气相聚合工艺的NG催化剂的研究

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9、

studies on gas - phase polymerization of cellulose acetate

气-固相反应制备醋酸纤维素

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10、

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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11、

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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12、

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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13、

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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14、

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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15、

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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16、

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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17、

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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18、

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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19、

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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20、

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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