经五步反应合成得到磺酰脲类除草剂玉嘧磺隆。
Sulfonylurea herbicide Rimsulfuron was synthesized by a five-step reaction.
科学仍旧是一个很神秘的课题,因此可以罗列的琐碎事实也是数以百万计——那么这一份清单就算是先行一步,抛砖引玉吧!
Science is still a very mysterious subject so there are millions of trivial facts about it – this will be the first of many scientific fact lists in the future.
前两句极写此羹色香味形之佳美,后两句以金齑玉鲙作比,进一步强调羹之美味。
The first two pole wrote this soup aroma form of caramel, after the two gold so make than Yu Kuai, further emphasizes the soup is delicious.
对独山古玉的研究有利于我们了解独山玉的文化特征和开发利用价值,为进一步拓宽独山玉的应用领域提供理论依据。
To study the ancient Dushan jade we can understand the Dushan jade cultural characteristics and development of value, and open up the application of Dushan jade field.
结论:辉长岩符合人工假体材料之要求,如果进一步的临床应用取得成功,它将成为继镁硅玉之后的另一类岩石人工假体。
Conclusions: Gabbro meets the requirements of prosthetic materials, it will be another mineral prosthetic material if its clinical applications are successful.
李是由他的剑玉亏损境地,而他于不求回报的追求,是进一步由一个神秘的刺客入侵复杂。
Li is embittered by the loss of his jade sword, and his unrequited pursuit of Yu is further complicated by the mysterious intrusion of an assassin.
本文以乙磺酰基乙腈和1,1,3,3-四甲氧基丙烷为起始原料,经五步反应合成得到磺酰脲类除草剂玉嘧磺隆。
Sulfonylurea herbicide Rimsulfuron was synthesized by a five-step reaction starting with 2-(ethylsulfonyl)acetonitrile and 1,1,3,3-tetramethoxypropane.
本文以乙磺酰基乙腈和1,1,3,3-四甲氧基丙烷为起始原料,经五步反应合成得到磺酰脲类除草剂玉嘧磺隆。
Sulfonylurea herbicide Rimsulfuron was synthesized by a five-step reaction starting with 2-(ethylsulfonyl)acetonitrile and 1,1,3,3-tetramethoxypropane.
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