In addition the Company has long-term for the Lao Red acid resin wood, semi-finished furniture red acid resin.

另外本公司也長期供老撾紅酸脂木人日人视屏，紅酸脂半成品家具A级毛片免费久久下载。

The database is composed of 15 Acid dyes data, which are 9 Wood dyes and 6 Acid dyes originated from textile.

該數(shù)據(jù)庫中包括十五種單色酸性染料麻豆激情，其中九種木材專用染料国产自慰喷水福利，六種沿用紡織中使用的酸性染料。

Keywords Wood vinegar;amino acid;pH value;organic acid content;absorbance

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

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Yields of wood vinegar and wood tar were almost constant,though yield of charcoal was slightly decreased with the increase of acetic acid aqueous solution concentration.

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ChamaecyparisIawsoniana ParI and picea sitchensis Carr.wood treated with BTCA:Values of weigh percentgainreached 9.05% and 8.25%.Values of antiswelling efficiencyreached57.2% and 55.45% respectively.Values of moisture excluding efficiencyreached47.95% and 44.89%.Chamaecyparis Iawsoniana ParI and picea sitchensis Carr.wood treatedwith 1,2,3,4-butanetetracarboxylic acid and glycerin:Values of weigh percent gainreached 13.12% and 12.24%.Values ofantiswelling efficiencyreached 61.11% and63.12% re.Values of moisture excluding efficiencyreached 46.91% and 48.93%.Woodsurface colour of Chamaecyparis Iawsoniana ParI and picea sitchensis Carr.were slightlyvaried from red to yellow and from dismal to bright in crosslinking reaction.

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However, in the drafting of "wood" national standard, the Yang Lao and his companions after repeated serious research cf finally clear its "identity", which is produced in the name of Madagascar's wood science Dalbergia Lushi black, black acid-vest Chi class.

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In this work, the degradation process, mechanism, kinetics as well as the separation and purification of levulinic acid production from biomass, such as wheat straw and wood powder, were evaluated at high temperature and catalyzed by acid.

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Silver grass is weakly acidic, pH value is between 5.53 and 6.49, alkali buffer capacity is between 0.89ml and 3.31ml and acid buffer capacity is between 11.52ml and 17.38ml; To the wet ability of silver grass, the under-parts of stem are better than upsides, the inner surface of stem is better than surface, the wet ability of leaf is between surface and inner surface; compare with wood and wheat straw, the wet ability of silver grass is worse than that of wood but better than that of wheat straw.

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