Cotton is a good quality raw material for making pulp and paper. It is mainly used to produce high-grade culture paper, security and household paper.
棉花是制浆造纸的优质原料，主要用于生产高档文化用纸、证券纸和生活用纸。
This paper studied the making of high-grade case leather from the pigskins in east region of Sichuan.
本文研究了如何利用川东地区猪皮制造高档箱包革。
The author based on recent research works done in China, gives a comprehensive review on developments and achievements in using eucalypts for making paper and rayon grade pulps.
本文根据近年来国内有关单位对桉树造纸和制人纤浆粕的研究所取得的进展和成果，作一综合性的简介。
Waste water from wastepaper based paper making and waste water from dyeing can be treated by PFSSB to meet the national first grade emission standard (gb8978-1996).
用PFSSB处理废纸造纸废水和印染废水，各项指标达到国家一级排放标准(GB8978—1 996)。
The results showed that the coal gangue of Tangshan coal Mine could be used to produce paper making filler grade kaolin, its whiteness could reach 92.
结果表明：唐山矿煤矸石可用于作造纸涂料级高岭土，白度可达92。
Heap leaching to low grade gold ore in the Northwest District has been proven a profit making method. The paper introduces environment protection practices in several mines.
采用堆浸法处理低品位金矿石，在西北各主要产金省已取得了很好的经济效益。
Heap leaching to low grade gold ore in the Northwest District has been proven a profit making method. The paper introduces environment protection practices in several mines.
采用堆浸法处理低品位金矿石，在西北各主要产金省已取得了很好的经济效益。
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