grading of old paper是什么意思

网络释义

用法例句

Some knowledge of printing inks that may be important to deinking of secon dary fibertypes,the deinking agent types and secondary fiber species that were used in Chinese sec ondary fibers recovery industry are summarized.

本文从介绍印刷油墨的相关知识入手,对目前一些常用脱墨剂的种类及其研发现状进行了较为全面的讨论,分析了废纸种类对脱墨作用效果的影响及对脱墨剂质量的要求。

sorting facility for mixed construction waste

混合建筑废料分类设施

Classification and specification for scraps and waste component of lead and lead alloy

GB/T13588-1992铅及铅合金废料、废件分类和技术条件

Classification and specification for scraps and waste componet of aluminium and aluminium alloy

GB/T13586-1992铝及铝合金废料、废件分类和技术条件

Classification and specification for scraps and waste component of zinc and zinc alloy

GB/T13589-1992锌及锌合金废料、废件分类和技术条件

Classification and specification for scraps and waste component of copper and copper alloy

GB/T13587-1992铜及铜合金废料、废件分类和技术条件

Scrap is usually Blended and remelted to produce alloys similar to or more complex than those from which the scrap was derived.

金属废料通常经过配混和重熔后生产与废料成分类似的或更多元的合金。

They separate paper, glass, cans, and plastic from the regular waste.

他们从平常的废品中把纸，玻璃，罐子和塑料进行分类。

Study on Pyrolysis of Polyolefins Catalyzed by Modified Mesoporous Molecular Sieves

改性介孔分子筛催化聚烯烃类废塑料裂解反应研究

Study on building waste recycled aggregates classifying and its physical characteristics

建筑固体废弃物再生骨料的分类及其物理性能研究

Waste material must is make full use of.

废弃材料必须充分利用。

The kinds of problems posed by the back end of the fuel cycle depend in part upon whether spent fuel is recycled.

燃料循环的最后部分提出的问题种类，部分地取决于废料是否再循环。

Classification of radioactive waste

GB9133-1995放射性废物的分类

Study on Biodegradation of Triphenylmethane Dyes Wastewater;

三苯甲烷类染料废水微生物降解研究

Study on the Pretreatment of Aniline Series Dye Intermediate Wastewater;

苯胺类染料中间体废水预处理的研究

Production of Algae SCP Feeds from Organic Sewage and Wastes of Human and Animal

利用有机废水与人畜废物生产藻类单细胞蛋白饲料

Analysis of Tar from Co-coking of Coal and Waste Plastic

废塑料与煤共焦化所得焦油成分分析

These wastes will kill fish in the river and sea.

这些废料会将江河和海洋里的鱼类毒死。

Treatment of azo dyes wastewater by Fenton reagent technique

Fenton试剂法处理偶氮类染料废水的实验研究