以对甲氧基苯胺为原料,用冰醋酸和醋酸酐作乙酰化剂,经乙酰化 、 浓硝酸硝化、铁粉还原合成了3-氨基-4-甲氧基乙酰苯胺.
互联网摘选 2025-01-18 17:39:05
This paper describes the advance, preparation and application of Low-methoxyl pectin in detail.
作者就低酯果胶的研究进展 、 制备方法以及应用做一综述.
来源:互联网摘选《马克思恩格斯全集》第25卷, 人民出版社1972年版.
来源:互联网摘选Methuselah lived one hundred eighty-seven years and became the father of Lamech.
默突舍拉一百八十七岁时,生了拉默客.
来源:互联网摘选He is offering a prize for the development of what he calls a Methuselah mouse.
研发出“长生之鼠”的人将获得头奖.
来源:互联网摘选GWT: When Methuselah was 187 years old, he became the father of Lamech.
吕震中本: 玛土撒拉活到一百八十七岁, 生了拉麦.
来源:互联网摘选And after he became the father of Lamech, Methuselah lived and and daughters.
玛土撒拉生拉麦之后,又活了七百八十二年,并且生儿养女.
来源:互联网摘选When Methuselah had lived one hundred and eighty-seven years, he became the father of Lamech.
25玛土撒拉活到一百八十七岁, 生了拉麦.
来源:互联网摘选NASB: Methuselah lived one hundred and eighty-seven years , and became the father of Lamech.
和合本: 玛土撒拉活到一百八十七岁 、 生了拉麦.
来源:互联网摘选The entire lifetime of Methuselah was nine hundred and sixty-nine years, and then he died.
27玛土撒拉共活了九百六十九岁就死了.
来源:互联网摘选At the range the experiments the yield of methyl glycotate is 59.06 %.
实验所得在研究范围内,过磷酸催化的产品产率高达59.06%.
来源:互联网摘选A new method of synthesis of Vanillin from 2 methoxy 4 methyl phenol was studied.
研究了4甲基愈创木酚一步氧化法合成香兰素的新工艺.
来源:互联网摘选Thus the term dialkyl carbonate includes, for example, methyl ethyl carbonate.
因此术语二烷基碳酸酯包括, 例如甲基乙基碳酸酯.
来源:互联网摘选The application, downstream products synthesis and development of di-methyl carbonate are reviewed.
综述了碳酸二甲酯应用及其下游产品的合成和开发.
来源:互联网摘选Organic cyanide, like methyl cyanide, propylene nitrile, Ding Jing and so on.
有机氰化物, 如乙腈 、 丙烯腈 、 正丁腈等.
来源:互联网摘选CpG -ODN 是一些发现于细菌中含有未甲基化的CpG二核苷酸对并且具有免疫激活作用的寡核苷酸.
来源:互联网摘选The number of methylated loci tends to increase from non-cancerous mucosa and adenoma to cancer.
2、结直肠癌中检出全部22个位点甲基化,腺瘤-远端粘膜 - 正常粘膜甲基化位点数递减,分别为18、13和4个(正常粘膜仅N33、SFRP1、MAGEA1和COX2出现甲基化).
来源:互联网摘选Beware of methylated alcohol, which is very poisonous, and should never be added to drinking water.
要提防甲基化酒精, 那是剧毒的, 永远不能掺入饮用水.
来源:互联网摘选
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