• Objective To measure the efficacy of boric acid wood preservatives in the prevention of Coptotermes formosanus (Shiraki) and Reticulitermes speratus (Kolbe) in buildings.

    目的研究硼酸木材防护剂对危害建筑物台湾乳白蚁栖北散白蚁预防效果。

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  • Wood liquefaction refers to turn the timber into the hot chemical course of the similar and liquid sticky form fluid under the function in organic matter, such as acid, phenol, etc.

    木材液化苯酚有机物作用木材转化类似液体黏稠流体化学过程

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  • Ingredients: Lanolin, active yeast, hyaluronic acid, wheat germ oil, aloe extract, oil of lacteal wood fruit, seaweed extract etc.

    成分绵羊油酵母透明质小麦胚芽芦荟萃取液、油、海藻萃取液

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  • The pulp has a comparatively high resin content, since the acid cooking liquor dose not remove the resinous matter found in the wood.

    由于这种酸性蒸煮不能去除木材中的树脂物质,所以浆料树脂含量相对较高

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  • Pre-esterification of China wood oil catalyzed by solid acid in fixed bed reactor was researched.

    利用固定反应器固体为催化剂催化桐油预酯化反应。

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  • Ginkgo wood vinegar was a kind of quite complicated compounds, which include water, organic acid, phenol compound, alkanet compound, alcohol compound and so on.

    银杏醋液种组成成分相当复杂混合物,主要成分是,其次是有机酸类、醛类、类、酯类其它杂环类物质等。

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  • Wood preservatives. boric acid. specifications and tests.

    木材防腐剂。工业级硼酸规范试验

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  • Sulphite pulp: Acid pulp made from wood chips cooked under pressure in a solution of bisulphite of lime.

    亚硫酸盐:把木片硫酸钙溶液加压蒸煮而成酸性浆。

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  • The variation of wood properties by acid rain influenced significantly wood processing and utilization .

    酸雨引起杨树木材性质变异对杨木的加工利用有一定的影响。

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  • It was found that nine bacterial can produce bacterial cellulose, among them the wood acid bacilli cellulose has the most effective produtivity.

    目前已经发现九个可以产生细菌纤维素其中以醋酸杆菌属的杆菌产纤维素能力最强。

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  • Compared to rockwool, tree bark, sawdust and wood shaving as cultural media, increased the contents of ascorbic acid and lycopene, and had no significant influence on other antioxidant substances.

    岩棉相比树皮木屑作为栽培基质可提高番茄果实中的维生素c和番茄红素的含量,但其他抗氧化物质影响不大

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  • Through the hydrolysis of sulfuric acid, change the cellulose of the wood chip into dextrose, with the help of accelerant oxidize it by using nitric acid can yield the oxalic acid.

    通过硫酸水解将木屑中的纤维素转化为葡萄糖,在催化剂作用下,硝酸氧化,制取草酸

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  • Oxalic acid: Colourless, crystalline, toxic carboxylic acid found in many plants, especially rhubarb, wood sorrel, and spinach.

    草酸:无色结晶有毒羧酸类有机化合物。许多植物有草酸,尤其是大黄浆草和菠菜。

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  • A biomass hydrolyzing process for producing glucose was investigated, through concentrated sulfuric acid hydrolysis of wood chips.

    木屑研究对象进行硫酸水解,得到产物单糖。

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  • Do not use strong acid, strong alkali liquid clear compound wood floor.

    不要使用强酸强碱液体清理复合木地板

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  • Sasanqua sapogenin emulsifier emulsified paraffin efficiently, which may promote the grade of wood-based panel, save oleic acid and improve the working condition.

    油茶皂素乳化剂乳化石蜡效果好,在人造板工业上应用可以提高板材档次节省油酸,因不用氨水,显著改善工人劳动条件。

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  • Processing after wood surface, and scrub with water dilute (such as 1.2% acetic acid or oxalic acid) solution and sodium hydroxide, scrub with water clean again.

    处理完后用水擦洗木材表面并用弱酸(1.2%的醋酸草酸)溶液中和氢氧化钠用水擦洗干净

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  • Processing after wood surface, and scrub with water dilute (such as 1.2% acetic acid or oxalic acid) solution and sodium hydroxide, scrub with water clean again.

    处理完后用水擦洗木材表面并用弱酸(1.2%的醋酸草酸)溶液中和氢氧化钠用水擦洗干净

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