• 汉代(公元前206- 220),已经松烟使用其他程序包括成型

    Since the Han Dynasty (206 BC - 220), ink sticks have been made from pine soot, using other procedures that include mixing with glue, steaming and molding.

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  • 合成了阳离子羟CHPG),研究了该系列瓜尔衍生物对旧报纸浆的留助滤作用。

    This paper discussed retention and drainage properties of a series of cationic-hydroxypropyl guar gum derivatives(CHPG), which were successfully synthesized in our lab.

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  • 掌握对移调整比如如何、移印头的选择

    Mastery Tamponprint machine 's adjustment, e. g how to mix the color and choose the right tampon.

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  • 产品用途:涂料、、程塑料材料、合剂、、料、、磨材料等。

    Uses: Coat, piant, silica rubber, plastic, resin product packing, tooth used material, binder, detergent, printing ink, pigment, precise china, tire, rubber, fireproof material.

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  • :纸浆打浆精磨时,加上松香明矾淀粉料,使完成的书写印刷用纸没有洇情况

    Intirnal sizing: Rosin, alum or starch sizing introduced into the papermaking stock at the beating or refining stage to prevent ink spread on printing and writing paper.

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  • 介绍表面活性剂制浆废纸、造纸湿部、表面涂布以及污水处理等方面应用作用

    This paper introduces the use and the action of Surface active agents in pulp, deinking, wet end, sizing, coating and polutional treatment.

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  • 气孔采用不同出口,使用请取出进气口撕掉

    The refilling hole and the air hole are different. Take out the rubber plug or tear film when use cartridge.

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  • 气孔采用不同出口,使用请取出进气口撕掉

    The refilling hole and the air hole are different. Take out the rubber plug or tear film when use cartridge.

    youdao

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