Nerolidol was prepared by selective partial hydrogenation of dehydronerolidol at normal or nearly normal pressure in presence of a catalyst.
脱氢橙花叔醇在催化剂存在和常压(或接近常压)下发生选择性部分氢化反应,形成橙花叔醇。
单词 | in ... presence |
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英语例句库
Nerolidol was prepared by selective partial hydrogenation of dehydronerolidol at normal or nearly normal pressure in presence of a catalyst. 脱氢橙花叔醇在催化剂存在和常压(或接近常压)下发生选择性部分氢化反应,形成橙花叔醇。 By the reaction of 2 aryl 5 mercapto 1,3,4 triazoles with alkyl dihalide in presence of dilute base, ten new title compounds had been prepared. 以2-芳基-5-巯基-1,3,4-三唑为原料,在稀碱存在下与二卤代烷反应合成了10个新的标题化合物。 声明:以上例句、词性分类均由互联网资源自动生成,部分未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。
原声例句
福尔摩斯探案之四签名 We again trace the presence of some confederate in the household. 这更加证明,他有内线是毫无疑问的了。 VOA Special 2019年11月合集 Utah and Los Angeles, among others, are trying to expand their presence in nations like India. 犹他州和洛杉矶州等地都在努力扩大在印度等国家的影响力。 VOA慢速英语_世界 About 20 European countries have already banned or limited the presence of wild animals in circuses. 大约20个欧洲国家已经禁止或限制马戏团中野生动物的存在。 心理学小课堂 Genetics do play a big role in presence of bipolar disorder but they are not a guarantee. 基因确实在双相情感障碍中扮演着重要的角色,但它们并不是决定性的。 Conservative speeches Thank you for your prayers. Nancy and I have felt their presence many times in many ways. 感谢你们的祈祷。南希和我经常能感受到你们的临在。 China Daily 最新合辑 China's self-developed games expanded their presence in the overseas market in 2021, an industrial report showed recently. 近日发布的一份行业报告显示,2021 年中国自主研发的游戏在海外市场的影响力进一步扩大。 当月 CNN 10 学生英语 2021年5月合集 To accomplish this, it's been building up its military here and increasing its presence in the waterways nearby. 为了实现这一目标,俄罗斯在这里建立了自己的军队,并在附近的水道增加了驻军。 Crash Course 天文篇 Detecting the presence of O2 in an exoplanet's atmosphere is just tantalizingly out of reach right now. 探测系外行星的大气中是否有氧气存在,目前还是一项可望而不可及的任务。 VOA慢速英语_科技 NASA said it discovered the presence of water vapor in the atmosphere of an exoplanet for the first time. NASA表示,他们首次在系外行星的大气中发现了水蒸气的存在。 当下的力量 In this way, you grow in presence power. 以这种方式,你在存在的力量中成长。 朗文OCLM-01单词 We will increase police presence in local communities. 【presence】我们将在当地社区增派警力。 当下的力量 You will soon realize that there is no " mine" or " yours" in presence. 你很快就会意识到没有“我的”或“你的”存在。 经济学人 Business Then, in the mid-2000s, Chinese firms began building a presence in foreign markets. 然后,在 2000 年代中期,中国公司开始在国外市场建立业务。 牛虻(原版) He came to himself suddenly, realizing her presence and the mortal terror in her face. 他突然回过神来,意识到她的存在和她脸上致命的恐惧。 妇女乐园(中) And even the bravest trembled in presence of the massacre which he left behind him. 即使是最勇敢的人也会在他身后留下的大屠杀面前颤抖。 潘潘 He could keep his presence of mind in the presence of many people. 他可以在许多人面前保持镇定。 地球的奥秘 A keen sense of smell enables her to detect the presence of ants and termites in their nests beneath the sand. 穿山甲凭借敏锐的嗅觉,能够发现黄沙下面的蚁巢,挖掘蚂蚁和白蚁。 Osmosis-心血管 Also, a D-dimer blood test can be helpful, because fibrin break-down product levels are usually higher in presence of a clot. 另外,D-二聚体的检测也很有帮助,因为纤维蛋白溶解产物水平在血栓存在时往往更高。 绿山墙的安妮(原版) She seems to have a skill and presence of mind perfectly wonderful in a child of her age. 在她这个年龄的孩子中,她似乎拥有非常出色的技能和头脑。 幽谷百合(上) I said to the countess, putting my arm round her waist and holding her up in presence of them all. 我对伯爵夫人说, 用我的胳膊搂住她的腰, 把她举到众人面前。 |
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