查询词典 phenylic acid
- 与 phenylic acid 相关的网络例句 [注:此内容来源于网络,仅供参考]
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The content of ferulaic acid is least, its range is 0.496~12.566μg·g~(-1), the content in old-growth Chinese fir soil is more than 5μg·g~(-1), and others are less than 5μg·g~(-1). The content of three phenylic acids in 0~20cm depth soil is larger than 20~40cm. Along the ecosystem conversion direction, in 0~20cm and 20~40cm depth soil, the laws of P-hydroxybenzoic acid, ferulic acid and vanillic acid content are complex, does not exist apparent refularity.
其中对羟基苯甲酸含量最大,大小范围为2.233~19.589μg·g~(-1),其中只有二代杉木人工林的20~40cm层土壤的酚含量小于5,其他的都大于5;香草酸次之,大小范围为0.912~5.683μg·g~(-1),其中只有天然更新常绿阔叶林的酚含量大于5,其他的都小于5;阿魏酸含量最小,大小范围为0.496~12.566μg·g~(-1),其中老龄杉木林的0~20cm和20~40cm层土壤的酚含量大于5,其他的都小于5。
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Compounds were identified by means of physic-chemical property and spectral data including three new compounds: platyphyllin A (1), neochlorgeniclatone (2),(2E,6Z)-2,6-dimethyl-8-O-β-D-glucosyl-2,6-octadienoic acid (3). The known compounds included cyclic diarylheptanoids, phenylic acid, ect.
从白桦叶的水提取物中,利用各种色谱分离手段(硅胶柱色谱、聚酰胺柱色谱、凝胶柱色谱及制备薄层色谱等),分离得到28个化合物,通过理化性质及各种波谱数据(NMR,MS,IR,etc)鉴定了23个化合物的结构,其中新化合物三个:platyphyllin A(1),新绿原酸内酯(neochlorgeniclatone,2),(2E,6Z)-2,6-二甲基-8-O--2,6-辛二烯酸(2E,6Z-2,6-dimethyl-8-O-β-D-glucosyl-2,6-octadienoic acid,3。
- 推荐网络例句
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For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether
年美国个人破产法的一个改动使得破产登记急速下降,而后引起了信用卡大规模的亏损。
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Eph. 4:23 And that you be renewed in the spirit of your mind
弗四23 而在你们心思的灵里得以更新
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Lao Qiu is the Chairman of China Qiuyang Translation Group and the head master of the Confucius School. He has committed himself to the research and promotion of the classics of China.
老秋先生为中国秋阳翻译集团的董事长和孔子商学院的院长,致力于国学的研究和推广。