The mathematical relationships among mixed layer thickness, ore recovery and waste dilution against drawpoint spacing, volume per drawing, cut-off waste dilution and level interval are studied in details. It shows that the contact face between ore and waste as a ideal interface is incorrect during drawing.

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Article 3 The State shall, in preventing and controlling environmental pollution by solid waste, implement the principles of reducing the discharge of solid waste, fully and rationally utilizing solid waste, and making it hazardless through treatment.

第三條 國(guó)家對(duì)固體廢物污染環(huán)境的防治，實(shí)行減少固體廢物的產(chǎn)生黄色视频在线观看视频免费网站、充分合理利用固定廢物和無(wú)害化處置固體廢物的原則。

The color-projection waste solution consists of waste fixing solution and waste developing solution in which there is noble metal silver and some organic such as boric acid, hydroquinol, bromides.

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Said method uses iron filings microelectrolysis treatment as core, after the pH of NIS waste water is regulated to proper value, said NIS waste water can be fed into microelectrolytic reactor to make iron filings microelectrolysis treatment, then the treated waste water is fed into precipitation tank so as to remove Fe(2 ) and Fe(3 ) introduced in the course of making microelectrolysis.

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On one hand we take the waste gypsum, pyritic slag as the main resources. Proportion is such as follows: scree 15%, pyretic slag 30%, waste gypsum 45%, cement 10%, then take the semi-dried method, high pressure moulding to produce the waste gypsum and pyrite cinder brick which resist pressure is over 100~# brick resist pressure.

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In this study, the high salt content waste brine and regenerated salt from saturated waste brine were reused to solve the waste treatment problems and to save the salt use in the semidried mei processing.

本研究將制造梅胚所產(chǎn)生的高鹽度腌梅廢液及廢液濃縮之再生鹽重復(fù)應(yīng)用於梅胚的腌漬過(guò)程毛片三级片A片，以期解決廢鹽液處理問(wèn)題www免费黄色网，并減少腌漬梅胚時(shí)的新鹽用量。

As a sort of special enterprises which recycle the waste or treat the waste unharmfully, waste treatment enterprises play a very particular role in Cleaner Production.

作為對(duì)廢物進(jìn)行無(wú)害化處理及資源化利用的特殊企業(yè)欧美久久精品AAAA片，廢物處理企業(yè)在清潔生產(chǎn)中扮演著與其它企業(yè)不同的獨(dú)特角色国产亚洲欧美视频。

It was pointed that there were a lot of problems existing in the utilization process of agricultural wastes in China, which included the large quantity and unknown total amount of agricultural waste production at preseant extensive utilization and unusing status of agricultural wastes, backwardness of techniques and lag of industrialization in agricultural waste utilization, and unimprovement of the related policies and social service systems for agricultural waste utilization.

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Some statistics reports show that in 80％(566/670) of environmental protection criminal responsibility legal cases were about waste in 2006, and the illegal abandon of the construction waste was 60％ of the violative Waste Disposal Act cases , which was showed in the 2007 court verdicts of Taichung District Prosecutors Office. According to the examples, which were studied in this study, those nouns, reuse, resource recycling, and regeneration were defined and evidence the important of the control structure.

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Sulfur ore concentrate to chromic, nickel, in zinc waste water treating processes, increment, agitation time factors and so on discussed the temperature through the experiment, has thrown galvanizes the heavy metal waste water to sulfur ore concentrate processing the influence, thus obtains the galvanization waste water processing being suitable experimental condition.

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