乙炔的例句（乙炔在句子中的用法）

• 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.
• 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.
• 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。