炔 - 关于炔的双语例句 - 炔造句 - 语文书

为您找到17个与“炔”相关的双语例句：

Objective analogs possessing higher bioactivity and lower side effect after reconstructing anordrin.
目的:通过改造双炔失碳酯的化学结构,获得活性更高、副作用更小的避孕药.
Recent advances in ring closing metathesis ( RCM ) reaction, including olefin and enyne metathesis reaction are reviewed.
综述了近几年来关环复分解 ( RCM ) 反应的研究新进展, 包括了烯烃、烯-炔的RCM反应.
Addition Reactions to Alkynes, Hydrogenation , Halogenation and HX. Hydration of alkynes. Tautomerization.
炔烃的加成, 氢化,卤化和HX. 炔烃的水化作用,互变异构化.
Intervening ethynyl unit is beneficial to extend the conjugated pathway, and increase the two - photon absorption cross - section.
插入乙炔基有利于扩大共轭范围, 增加分子的双光子吸收截面.
Incomplete combustion and improper draft conditions can cause ethylene formation.
不完全的燃烧和不适当的通风条件能导致乙炔的产生.
OBJECTIVE To investigate the feasibility of ethosome gel as transdermal carries of ethinyl estradiol ( EE ) .
目的考察醇质体凝胶作为炔雌醇透皮给药载体的可行性.
This paper discussed three methods of producting vinyl etherspreparation from acetylene, dehydrohalogenation and acetals.
论述了乙烯基醚类化合物的三种主要制备方法乙炔法、脱卤化氢法和缩醛热分解法.
Simply by adding an additional gas such as acetylene ( C 2 H 2 ), you can create chromium carbonitride.
简单地加入另外的气体例如乙炔, 就能形成铬的碳氮化合物.
Duplication of bands in this region also shown by trifluoropropyne and perfluoro 2 - butene.
三氟丙炔和全氟丁烯 -2 在这个区域也出现双重谱带.
Duplication of bands in this region is also shown by trifluoropropyne and perfluoro 2 - butene.
三氟丙炔和全氟丁烯 -2 在这个区域也出现双重谱带.
Introduction to the Alkyne Triple Bond.
炔烃三键介绍.
The nucleophiles include alkene, alkyne, alcohol, acid, amine, water, etc.
亲核试剂包括烯烃、炔烃、醇、酸、胺、水等.
In low temperature, reaction of ketone with sodium acetylide synthesized 1 - ethynyl - 2,3, 4,5 - tetramethyl - 2 - cyclopentene - 1 - ol; 1,2 - diphenyl - 2 - hydroxy - 3 - butine - 1 - one; 3,4 - diphenyl - 1,5 - hexadiine - 3,4 - diol and 3,4 - dipheny
报道了在低温条件下, 以邻二酮和α-环烯酮为原料与炔钠反应,合成了2,3, 4,5-四甲基-1-乙炔基-2-烯-环戊醇、1, 2 - 二苯基 -2 - 羟基 -3 - 丁炔 -1 - 酮、3, 4 - 二苯基 -1,5-己二炔-3,4 - 二醇和3,4 - 二苯基 -3 - 环戊烯 -1 -酮4种化合物.
In the high - pressure system both oxygen and acetylene are used from high - pressure cylinders.
在高压法中,氧气和乙炔都取用于高压瓶.
In the darkness, the machine gun spat a vindictive white light like an acetylene torch.
机枪在黑暗中吐出一道凶厉的白光,活象一支喷火的乙炔吹管.
Allene is an isomer of methyl acetylene.
丙二烯是甲基乙炔的一种异构体.
The gang worked for up to ten hours with acetylene torches to open the vault.
那伙匪徒为打开金库用氧乙炔炬干了长达10个小时。