bromides的例句大全

In the absence of any metals and additives, A atom-economic method for synthesis of bromo-substituted alkynyl sulfides from alkynyl bromides and tetrahydrothiophene has been developed under mild reaction conditions.

发现了在无任何金属催化剂及添加剂的条件下，利用炔溴与四氢噻吩反应有效合成溴取代的炔硫醚的方法。

Water was found a cheap and effective reaction media in Pd ( OAc)_2/ DABCO) catalyzed Suzuki Cross-Coupling reaction of tetraphenylboron sodium, and aryl iodides and aryl bromides were coupled smoothly to afford corresponding aryl-aryl products in water.

在水中使用Pd（OAc）2/DABCO催化四苯硼钠与卤代芳烃的Suzuki反应，碘代芳烃、溴代芳烃在此条件下均可顺利发生反应而生成相应的联芳基化合物，条件温和，产率较高。

Seven new 1,1-dialkyl-4-( 3-bromopropionyl) piperazinium bromides were synthesized. Their structures were elucidated by IR, 1H NMR and elemental analysis.

设计合成了七种新的1，1－二烷基－4－（3－溴丙酰基）哌嗪季铵盐溴化物，通过IR，￣1H NMR和元素分析证实其结构。

what replaces it, apart from feel-good bromides and political stitch-ups?

那么，在泡沫破裂后，除了聊以自慰的陈词滥调以及政治撮合，取而代之的是什么呢？

using time-of-flight mass spectroscopy and resonance-enhanced multiphoton ionization ( rempi) scheme, the photodissociation of two alkyl bromides ( c2h5br, n-c3h7br) and bromobenzene ( c6h5br) near 234 and 267 nm was investigated.

利用飞行时间质谱仪（TOF）和共振增强多光子电离（REMPI）方法，研究了两种正一溴代烷烃（C2H5Br，n-C3H7Br）和溴苯（C6H5Br）在234及267nm附近的光解。

Aryl bromides and aryl chlorides are cheaper and more easily available than aryl iodides.

相对芳基碘化物而言,芳基溴化物、芳基氯化物不但价格低廉,而且有原料易得的优势.

Alkyl bromides can be produced this way.

溴化烷可以这样形成.

The meeting produced the usual bromides about the environment.

会议上提出的还是那些惯常讨论的关于环境的老套话题。

Barbiturates, bromides, tranquilizers and antidepressants.

巴比妥酸盐 、 溴化物 、 镇静剂和抗抑郁剂.

During baking, bromates are completely reduced to bromides with no bromination of flour constituents.

在焙烤过程中, 不用通过面粉各组分的溴化作用,溴酸盐也会全部彻底地还原成溴化物.

During baking, bromates are completely reduced to bromides with no bromination of flour constituents. any of the salts of hydrobromic acid; used as a sedative.

在焙烤过程中，不用通过面粉各组分的溴化作用，溴酸盐也会全部彻底地还原成溴化物。

The meeting produced the usual bromides about macroeconomic policy, third-world debt and the environment.

会议上提出的还是那些惯常讨论的老套话题——宏观经济政策、第三世界债务和环境问题。