|
Safrole is synthesized from catechol through methylenation, selective bromination and Wurtz - Fittig reaction Respectively in yield 8.%, 7.%, 7.8% and in total yield .9%. |
中文意思: 本文研究以邻苯二酚为起始原料,经亚甲基化、选择性溴化、武兹-菲提格反应三步合成黄樟油素,其三步收率分别为8.%,7.%,7.8%,以邻苯二酚计,总收率达.9%。 |
以下为相关句子列表(点击查看,可以看对应的解释):
|
|
Safety Belts for Auto Riders
|
|
|
安全带—保护汽车乘员安全的装置 |
|
Safety Detecting Based on Windows 000 Server's Function and Script
|
|
|
基于Windows 000 Server自身功能及脚本的入侵检测 |
|
Safety Stock of Commonality under Unsure Demand
|
|
|
不稳定需求下的公用安全储量(英文) |
|
Safety investment, so-called "safety cost", is the total safety work consumption, with which the enterprise could unsure safe production, improve operating environment, deal with industrial accident,and prevent professional harmness.
|
|
|
安全投入是企业为保证安全生产、改善作业环境、处理工伤事故、预防职业危害等项工作在安全工作中的总消耗,又称“安全成本”。 |
|
Safety of Punching Calculation in Codes and the Demarcation Load of Punching and Cutting Ravage for Calculating Thickness of Slab and Height of Foundation
|
|
|
板厚与基础高度按冲切或直剪计算的“分界荷载”值与规范的安全度 |
|
Safrole is synthesized from catechol through methylenation, selective bromination and Wurtz - Fittig reaction Respectively in yield 8.%, 7.%, 7.8% and in total yield .9%.
|
|
|
本文研究以邻苯二酚为起始原料,经亚甲基化、选择性溴化、武兹-菲提格反应三步合成黄樟油素,其三步收率分别为8.%,7.%,7.8%,以邻苯二酚计,总收率达.9%。 |
|
Saicgroup's Bumping Test
|
|
|
上汽国际化的“碰撞试验” |
|
Said remarks in his Orientalism that "Every European, in what lie could say about the Orient, was consequently a racist, an imperialist and almost totally ethnocentric";
|
|
|
赛义德在《东方主义》中说:“每一个欧洲人,就他关于东方的所论而言,都可以正确地认为是种族主义者,帝国主义者,几乎纯粹的种族中心主义者”。 |
|
Salbutamol(Sal),also called tetrahydro-isowuinolin,is a kind of β_receptor agonist which can selective agitate the β_- receptor of TSM . it is used to treat BA clinically .
|
|
|
沙丁胺醇(salbutamol,Sal),又名咳喘宁,是选择性β_-受体激动剂的一种,能选择性激动支气管平滑肌的β_-受体,临床上广泛用于治疗支气管哮喘。 |
|
Saline deposits of salt lake consist of more than 0 salt minerals, but the glauber salt, glaserite, pgrotechnite, hanksite, natron, trona and halite are mainly salt minerals.
|
|
|
盐湖盐类沉积有碳酸盐类、硫酸盐类和氯化物型盐类、主要盐类矿物为芒硝、钾芒硝、天然碱、泡碱、碳钾钠矾、石盐等。 |
|
Salivary Analysis of Healthy Females and Comparison with Those of Patients with Sjogren's Syndrome
|
|
|
正常女性与Sj(o|¨)gren's综合征患者唾液分析比较 |
|
|
|