These on reduction with NaBH4 gave exclusively cis-3-heterocycle substituted chroman-4-ols in good yields.
【文摘】3,3-Dibromochroman-4-ones on reaction with different heterocyclic secondary amines gave 3-substituted chromones.
单词 | good yield |
释义 |
good yield
英语例句库
These on reduction with NaBH4 gave exclusively cis-3-heterocycle substituted chroman-4-ols in good yields. 【文摘】3,3-Dibromochroman-4-ones on reaction with different heterocyclic secondary amines gave 3-substituted chromones.
原声例句
VOA视频精选 There must be at least three rainfalls a year for good saffron yield. 要获得好的藏红花产量,每年至少要有三次降雨。 CNN 10 学生英语 2023年3月合集 We've got a good yield of corn, a good harvest, and we are profiting well. 我们的玉米产量很好,收成很好,利润也很好。 《金融时报》 Podcast And what's also happening in that algorithm is the fintech firm that is managing that process is also going out and trying to get the best yield for you. 该算法中还发生的事情是管理该流程的金融科技公司也正在努力为您获得最佳收益。 TED演讲(音频版) 2019年5月合集 And carbon-enriched soils actually hold nitrogen and they hold sulphur and they hold phosphate -- all the minerals that are required for plants to grow and have a good yield. 富含碳的土壤实际上含有氮、硫和磷酸盐——植物生长和高产所需的所有矿物质。 剑桥雅思听力全真试题 7 If we were aware of the weather would like, say, next next year, we could make sure that the famers planted appropriate grain varieties to produced the best yield from the available rainfall. 假设我们能提前知道明年的天气情况,我们就指导农民种植一些合适的农作物产品,以确保在可用的雨水下获得最好的产量。 厨房美味大比拼 I like to use it for flat fish because obviously the knife itself bends, and so I can get in between the bones here and really just smoothly just make sure I get the best yield out of the filet. 我喜欢用它来切比目鱼, 因为很明显刀本身会弯曲,所以我可以在这里的骨头之间切入, 真的很顺利, 只要确保我从鱼片中得到最好的产量。 |
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