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The catalyst includes: supported Ziegler-Natta catalyst of titanium halide compound and organic electron donor compound supported with MgCl2 alcoholate carrier; aluminoxane prepared with trialkyl aluminum and water; and one kind of organic electron donor, such as organosilicon compound R2Si(OCH3)2, where R is phenyl, isopropyl, isobutyl or cyclopentyl.

该催化剂包括,a一种负载型的Ziegler-Natta催化剂,即将卤钛化合物和有机给电子体化合物负载在氯化镁醇合物载体上得到的固体催化剂,b一种通过三烷基铝与水反应而制备得到的铝氧烷和c一种有机电子给体,如有机硅化合物R 2 Si(OCH 3 ) 2 ,其中R为苯基、异丙基、异丁基或环戊基。

They perform a variety of fish to swim individuals and groups, such as movement, dance style is very rich, light blackfish, pomfret lights, light yellow croaker, light lobster, crab, and so lights; and made 10 Shoumian fish lamp, that is, gold Arowana, Yinlong fish, combined two-fish, fish head, as the first fish, unicorn fish (1), retained the ancient myth of a strong color.

他们表演各种鱼类的个体和群体的泅水等动作,舞蹈造型十分丰富,有黑鱼灯、鲳鱼灯、黄鱼灯、龙虾灯、螃蟹灯等等;并制成10条兽面鱼灯,即金龙鱼、银龙鱼、双合鱼、虎头鱼、象头鱼、麒麟鱼(1对)等,保留了古代浓厚的神话色彩。

Methods: We divide the rats into 5 groups in random, with Morris method, detect the change of some active oxygen radicals such as super-oxide demitasse, Nitric Oxide Synthase, malondialdehyde etc. Also, we detect the change of cholinesterase, Monoamine Oxidize; using HE,PAS staining, immuno-histochemical technique, detect hippocampus CA1 cerebral pathology slices optical density value of NOS, CHE and lipofuscin of neural cell; detecting apoptosis rate and the expression of P53 , which are neuronal apoptosis related genes.

大鼠随机分为5组,采用"Morris水迷宫"法观察脑缺血性模型大鼠学习记忆功能,检测超氧化物歧化酶、一氧化氮合酶、丙二醛等自由基代谢异常的改变,检测胆碱酯酶、单胺氧化酶等老化相关酶的变化、脑组织神经细胞免疫组织化学技术、检查海马CA1区脑组织的病理切片,检测NOS、CHE光密度值;流式细胞技术:检测细胞凋亡率,及促细胞凋亡基因、P_(53)蛋白表达;病理切片采用HE染色、PAS染色及免疫组化法检查,检测对大鼠海马神经元细胞一般病理变化及脑细胞内脂褐含量。

One of its major experience to solve the problem is using full—lined granulite venturi scrubber.

采用全麻石结构的文丘里水膜除尘器,是合山电厂1~7号炉解决由于燃用高灰分和高硫分煤所引起的除尘器严重腐蚀与磨损的主要经验之一。

Polyphenol compounds were extracted from the sorghum groats by water and methanol. Total phenolic content, reducing power, chelating activity, DPPH radical scavenging activity, ABTS radical cation scavenging activity and inhibition of hydroxyl radical-mediated 2-deoxy-D-ribose degradation of the extracts from the sorghum groats were determined.

以水和甲醇为溶剂提取高粱籽粒中的多酚类化合物,测定了提取物中的总酚含量、还原力、Fe~(2+)络合能力以及提取物对DPPH、ABTS、羟基自由基的清除能力。

The paper also presented the detailed experimental analysis on the combined technology of ozonization, engineering bacteria reinforcement and aeration, included the functions of different units in the system and demonstrated the superiority and necessity of the combined application of the ozonization, engineering bacteria reinforcement and aeration.

针对以上情况,在对固定化生物活性炭技术多年研究的基础上,首次提出采用臭氧固定化曝气生物活性炭滤池组合工艺对石化特种废水深度处理进行深入研究,文中对臭氧氧化、工程菌强化、曝气组合工艺进行了详细试验,总结出不同处理单元在系统中的作用,论证了臭氧氧化、工程菌强化、曝气联合应用的优越性和必要性,出水可以达到回用水标准。

The tribological property of water lubricated plastic bearing was studied in particular, and wear rate of bearing was mensurated by the way of volumeter.

重点研究了水润滑塑料轴承的摩擦学特性,用体积法测定出了轴承的磨损率,通过实验研究了摩擦因数、磨损率与轴承结构和工况之间的关系,对实验数据进行了拟合,并对润滑机理进行了分析。

Thiourea can keep polymer solution steady well as antioxygen. And micromolecule-alcohol can associate with polymer, which maintains the network structure of polymer.

其中硫脲能起到抗氧剂的作用,在短期内能使溶液保持较好的稳定性;小分子醇类能与聚合物交联,使疏水缔合聚合物溶液的网状结构得以维持。

Along the white sands of the sea around the door, past desolate vacant on the ground and much of the new flats from where they stand, Pak Mun Spa Resort, Bihai Riverside, urban coast, Jiangnan Town, Baoan, flowering seasons, Wan Heng City Garden, Eden homes, big house Yipin Water Court, Friends of alloys City

沿白沙附近的海门,过去荒凉的空置在地面上的许多新单位从那里站,北门温泉度假村,碧海滨江,都市海岸,江南镇,宝安,开花季节,万诃嗯市花园,伊甸家园,大房子一品水苑,友合金城

In fact, even better associating properties are presented by the corresponding fluorocarbon modified polymers.

实际上,相应的氟碳改性物在水溶液中往往表现出更优良的疏水缔合性能。

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