[化] 大环化合物

macrocyclic compound的用法和样例：

例句

This paper reviewed the application of the template effect in thesynthesis of macrocyclic compounds and synthetic methods of macrocyclic compounds with different donors.本文综述了模板反应在大环化合物合成中的应用，及含不同配位原子的大环化合物的合成方法。

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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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addition [ə'diʃən] n.加，增加(量) boss [bɔs] n.老板，工头 compound ['kəmpaund] n.复合物，化合物 difficult ['difikəlt] a.困难的 expert ['ekspə:t] n.专家，能手 headquarters ['hed'kwə:təz] n.司令部，指挥部，总部

发表于:2018-12-19 / 阅读(248) / 评论(0)

TED演讲教育篇

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Intonation can indicate completely different meanings for otherwise similar words or phrases. For example, an English teacher teaches English, but an English teacher is from England; French class is where you study French, but French class is Gallic

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农业与发展

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To join Al Qaeda in Osama bin Ladens day, prospective recruits had to take an arduous and risky journey to the networks haven in the mountains of northwestern Pakistan, the heartland of global Islamist militancy. 想在奥萨马本拉登时代加入基

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What do these five words have in common: hotdog, fireworks, well-being, waistline, sunset and ice cream? They could all describe a fun holiday celebration. For example: My holiday was wonderful! I went to a friends party and we laughed, ate and had a

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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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U.S. President Barack Obama has announced that the world's most wanted terrorist（恐怖分子）, al-Qaida leader Osama bin Laden, was killed by U.S. forces on Sunday at a compound deep inside Pakistan. Mr. Obama made the announcement during a liv

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Dear Lexie,亲爱的莱克西： On your first day of college, let me congratulate you on your well-earned freedom. No more curfews[宵禁]. No more being dragged places you'd rather not be. No more of Dad's teachable[可教的] moments about respons

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实用英语

Osama bin Laden's compound in Pakistan being demolished

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

发表于:2019-02-18 / 阅读(139) / 评论(0)

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Rebel fighters have seized Moammar Gadhafi's compound in the capital, Tripoli, and are celebrating what they consider a major victory over the Libyan leader and his loyalist troops. The rebel fighters fought their way into Gadhafi's Bab al-Aziziya co

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