• 赤芍主要挥发成分Z, Z)-9, 12-十八碳二烯,正十六2-羟基苯甲醛

    The main volatile chemical components of RPR are(Z, Z)-9,12-octadecadienoic acid, n-hexadecanoic acid and 2-hydroxy-benzaldehyde.

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  • 其中十三样本,银杏含量超出世界卫生组织所定下标准十六至七百三十三

    The levels of the allergen ginkgolic acid in 13 of the samples were between 16 and 733 times in exceed of the WHO's specifications.

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  • 回归方程自变量回归范围内适用于丙烯十二醇、十四醇、十六酯化转化率预测控制上

    It is possible to predict and controll the conversion rate of esterifications such as acrylic acid with dodecanol, tetradecanol and hexadecanol by this equation.

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  • 利用正交设计研究丙烯十六原料对甲苯催化剂采用微波加热法合成丙烯十六酯。

    The orthogonal design was utilized to study the hexadecyl acrylate synthesis by microwave irradiation using acrylic acid and hexadecyl alcohol as raw materials and toluene-p-sulfonic acid as catalyst.

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  • 过氧化氧化剂十六烷基三甲基钨磷杂多铵为催化剂,催化氧化甲醛苯甲

    Phenyl carboxylic acid was produced by oxidation of phenyl formaldehyde using hydrogen peroxide as oxidizing agent and amine hexadecane trimethyl P-W heteropoly acid as catalyst.

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  • 本文苦味溴代十六烷基吡啶离子作为活性物质,以邻苯二甲增塑剂研制成以PVC为基质苦味离子选择电极

    In the paper, a PVC membrane picric acid anion selective electrode is developed using Bromhexadecyl pyridine picrate ion pair as the active component and dioctyl phthalate as the plasticizer.

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  • 脂肪醇十六时,脂肪醇磷酯盐脂肪醇琥珀单酯磺钠盐在皮革加中的防水性能最好

    When the carbon number is 16, the waterproof property of fatty alcohol phosphates and ether sulfosuccinates is the best.

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  • 结果表明黑茶样品的挥发性成分十六醇两种化合物含量较高

    The hexadecyclic acid and the linalool were included in volatile oil and the contents were higher.

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  • 仪器十六烷基烯丙基二甲基氯化铵丙烯(AA),丙烯酰胺(AM)原料进行聚合优化实验

    Basing on this instrument, 16 quaternary dimethyl ammonium chloride, acrylic acid (AA), acrylamide (am) were used as raw material for the optimum aggregation experiment.

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  • 通过纯化处理,对所合成的酯进行红外表征结果表明产物甲基丙烯十六酯。

    The product was tested by IR spectroscopy after the purification treatment. FTIR results shows that the product is methyl hexadecyl methacrylate.

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  • 结论赤芍主要挥发成分为(Z,Z)-9,12-十八碳二烯,正十六水杨醛。

    CONCLUSION The mail volatile chemical components of RPR are(Z, Z)-9,12-octadecadienoic acid, n-hexadecanoic acid and 2-hydroxy-benzaldehyde.

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  • 结论赤芍主要挥发成分为(Z,Z)-9,12-十八碳二烯,正十六水杨醛。

    CONCLUSION The mail volatile chemical components of RPR are(Z, Z)-9,12-octadecadienoic acid, n-hexadecanoic acid and 2-hydroxy-benzaldehyde.

    youdao

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