hard anodizing is a kind of technique in surface treatment of aluminum and its alloy in present industrial, which is in common use and effective.

1、

hard anodizing film could be obtained on al-cu alloy surface which had been treated with solid solution treatment and natural aging.

经固溶处理和自然时效的铝铜合金可以进行硬质阳极氧化。

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2、

through many tests, it is proved to that its performance is better than the present hard anodizing power supplies.

试验电源整机3.5kW，通过大量实验，证明其性能优于以往的硬质阳极氧化电源。

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3、

hard anodizing technique for al-si alloy piston crown

高硅铝合金活塞顶部硬质阳极氧化

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4、

study on preparation of the composited film of hard anodizing with aluminum alloys and ptfe

铝合金硬质阳极氧化与聚四氟乙烯复合膜层制备研究

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5、

the hard anodizing of aluminium piston on diesel engine

柴油机铝活塞的硬质阳极氧化

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6、

research on hard anodizing power supply of alternative process and full digitalization based on embedded microprocessor

基于嵌入式的多工艺全数字硬质阳极化电源的研究

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7、

hard anodizing power supply is an important part of the equipment to deal with metal surface.

硬质阳极化电源是对金属表面进行处理的装置。

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8、

hard anodizing of aluminium alloys with various electric wave forms

不同电源波形的铝合金硬质阳极氧化

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9、

a study on the hard anodizing of aluminium alloy with pulsed current

铝合金脉冲硬质阳极氧化的研究

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10、

hard anodizing process for aluminium with high tolerance to working temperature

宽温度铝硬质阳极氧化工艺的研究

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11、

application of fsq direct-reading spectrograph in analysis of the founding furnace

FSQ直读光谱仪在铸造炉前分析中的应用

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12、

insurance institutes reporting the combined insurance terms and insurance premiums for approval or lodgment shall submit, in addition to the materials stipulated hereunderin these measures, the names of combined insurance terms and insurance premiums and their insurance policy samples.

保险机构将组合式保险条款和保险费率报送审批或者备案的，除应当提交本办法规定的材料外，还应当提交组合式保险条款和保险费率的名称及其保险单式样。

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13、

subsidiaries of insurance companies can operate the insurance terms and insurance premiums of their parent companies approved or lodged by circ without applying for approval or lodgment.

保险公司分公司使用其总公司已经中国保监会审批或者备案的保险条款和保险费率，无需报送审批或者备案。

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14、

thirdly, establish perfect policymaking system arrangement including policy issue lodgment, research, consultation, consideration, checkup and assessment.

三是建立完善的科技政策制定的制度安排，包括政策问题的提出、政策的研究与咨询、政策的审议与审查和政策的评价。

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15、

all the designated foreign exchange banks shall apply for lodgment in accordance with the relevant requirements.

请各外汇指定银行按照相关要求进行备案申请。

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16、

the safety of extended service for butadiene extraction and rectification tower, after design life and with corrosion in rubber plant, qilu petro chemical industry company is evaluated according to the safety assessment rules of pressure vessels containing defects in service.

根据在役含缺陷压力容器安全评估规程，对运行已达到设计寿命并存在一定腐蚀的齐鲁石化公司橡胶厂丁二烯萃取精馏塔的超期股役安全性进行了分析与评定。

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17、

the reasons of local liquid leakage and difficulty in overhauling of the dead trays in rectifying tower kettle for butadiene extraction were analyzed and the coupling and sealing structure of dead trays were redesigned.

分析了造成丁二烯萃取精馏塔塔釜死塔盘局部漏液和检修拆装困难的主要原因，重新设计出由卡板、螺栓和聚四氟乙烯混编盘根组成的死塔盘的联接与密封结构。

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18、

high purity 1-butylene is made from the following production process: butadiene extraction and then butadiene and iso-butylene removal in mtbe unit.

丁烯-1生产工艺通过丁二烯抽提和MTBE装置脱除丁二烯和异丁烯来生产高纯度丁烯-1。

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19、

dimethylformamide ( dmf) is widely used in leather industry, polyacrylonitrile fibre spinning and butadiene extraction craft as an important organic solvent.

二甲基甲酰胺（DMF）是一种重要的有机溶剂，被广泛应用于合成革生产、聚丙烯腈抽丝、丁二烯抽提等工艺中。

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20、

toxicity of dmf, which is a solvent in the butadiene extraction process, was introduced. its principal preventive measures were described also.

分绍了丁二烯抽提工艺溶剂DMF的毒性及其主要预防措施。

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