羰基化(合)物

carbonyl compound的用法和样例：

例句

This dissertation studied allylation reactions of carbonyl compounds promoted by inorganic salts or carbon dioxide in aqueous media.本论文主要研究了水相中无机盐和二氧化碳促进羰基化合物烯丙基化反应。
UV analysis showed that new compound was formed between the pigment and ferulic acid or salicylic acid, demonstrating formation of acylated pigment.紫外光谱分析显示，阿魏酸或水杨酸与紫甘蓝色素形成了新的化合物，从而证实了酰基化色素的形成。

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Section A [00:01.23]1. W: Have you checked it for me? [00:04.26]M: Yes.There are temporary vacancies at the moment,but you may look back in a month. [00:09.40]Q: What does the woman want to be? [00:12.38]2. M: I'd like to book a flight to Munich for

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Today's show goes out to Law Enforcement Officer Memorial High in Florida and North Kansas City High in Missouri. It's great seeing some of your students at the CNN Center recently! Today on CNN Student News, a match made in the wireless world: We're

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发表于:2018-12-19 / 阅读(195) / 评论(0)

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农业与发展

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By Elizabeth Carlassare. Todays topic is compound interest. Albert Einstein is often quoted as having said something to the effect that compound interest is the greatest wonder of the universe. Its an urban legend, but it packs some punch! In todays

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实用英语

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ISLAMABAD, Feb. 25 (Xinhua) -- The living compound of the former al-Qaida chief Osama bin Laden in Pakistan's northwest city of Abbottabad is being demolished, said one local media report. Local Urdu TV channel Express said that the front part of bin

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bracket of cantilever

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