on the improvement of our country's extended producer responsibility system

1、

an analysis on the extended producer responsibility legal system

延伸生产者责任法律制度剖析

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2、

the amount of nitrite bacteria decreases 0. 63 times but the nitrate bacteria increases 19. 3 times.

好氧段中亚硝化菌下降为原来的0。63倍，但硝化菌的浓度增加为最初的19。3倍。

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3、

but there was no nitrite bacteria in the soil of ck.

而在空白休闲地未检测出亚硝化细菌的存在。

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4、

based on the differences of density, magnetic and electric conductivity properties among the materials contained in weee, a cost-effective and environmentally friendly mechanical/ physical recycling system could be developed.

WEEE组成材料在密度、铁磁性、导电性等物理性质方面的较大差异使采用环境友好的机械物理方法对其进行资源化再循环处理成为可能。

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5、

mechanical recycling of printed circuit board scrap

机械处理废弃印刷线路板

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6、

mechanical recycling of electronics scrap& current status and prospects

电子废弃物机械回收的研究现状与发展

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7、

in this paper, abroad status of mechanical recycling of pcb and some advices on resource utilization and innocuity treatment of pcb are presented.

针对国外废弃电路板的机械回收利用现状，提出了在国内开展废弃电路板资源化、无害化处理研究的一些建议。

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8、

theoretical basis and application of labor measurement principles

劳动计量原理的理论基础与应用

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9、

the chemical treatment of the recycling water is aimed at solving corrosion, scaling and sliming problems in the system.

循环水化学处理的目的是解决系统的腐蚀、结垢和粘泥问题。

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10、

chemical method for recycling polystyrene wastes

废聚苯乙烯的化学回收方法

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11、

the chemical and physical recycling methods for polyurethane wastes

聚氨酯废弃物回收利用的物理化学方法

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12、

treatment of chemical wastewater by recycling resources and overall disposal

化工资源回收利用与废水综合治理

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13、

the paper introduces the basal characteristics of supercritical fluids and its application on chemical recycling of waste plastics. recent studies progress on recycling of polystyrene ( ps), especially on chemical recycling, are summarized.

本论文介绍了超临界流体的基本性质及其在废旧塑料化学循环回收中的应用，综述了聚苯乙烯塑料（PS）循环利用领域的研究现状以及目前国内外关于PS解聚研究进展。

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14、

the introduction is made on different recycling and disposing methods for rigid polyurethane foamed wastes, mainly involving the developments and applications of physical recycling methods and chemical recycling methods in the world.

介绍了废旧聚氨酯硬质泡沫塑料的处理及回收方法，主要包括其物理回收、化学回收、焚烧等处理方法的技术原理，以及国内外的发展和应用现状。

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15、

by replying the decomposed products, an approach to chemical recycling of epoxy resin was proposed.

基于这一特性，本文探讨了一种环氧树脂化学回收再利用的方法。

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16、

chemical recycling of waste plastics by supercritical water

超临界水中废塑料的化学回收

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17、

chemical recycling and downstream product development of waste coloured polyethylene terephthalate

有色废弃PET材料的化学回收及下游产品开发

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18、

no need to jury rig an outfit when you can put her in this fun set fit for an admiral.

不需要陪审团钻机装备时，你可以把她在海军上将适应这种乐趣集。

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19、

urmson arrives with a servomotor borrowed from a radio - controlled airplane and proceeds to jury-rig a wireless kill switch.

厄姆森带来一具从无线电控制飞机借来的伺服马达，开始拼凑一个无线取消开关。

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20、

federal agencies in the quality interagency coordination, quic

美国联邦品质互动协调局

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