查询词典 ethyne

Natural gas is important chemical material and is used as feed to produce synthesis ammonia,methanol and ethyne .

天然气是化工的重要原料，以天然气为原料生产合成氨、甲醇、乙炔三大产品。

It is best to use 15 in a 5% excess in order to compensate for a small loss of material due to oxidative ethyne homocoupling.

最好使用15 5 ％过量为了弥补一小损失的材料由于氧化乙炔homocoupling 。

Experiments of C2H2/air cloud explosion were performed at 7.8% ethyne concentration.

聚乙烯薄膜作为约束物，对可燃气云爆炸有着重要的影响。

WT5BZThe comparative experimental study on the single detonation wave of an ethyne air mixture under various conditions was made.

选取爆震室的三种不同工作状态，采用乙炔与空气混合气对单次爆震波进行了对比实验研究，研究了爆震室的封闭程度对爆震波产生的影响规律，发现在爆震室完全封闭状态下，能产生充分发展的爆震波；爆震室一端封闭、另一端敞口状态下爆震强度明显下

Determination of ethyne in liquid oxygen or liquid air by GC was introduced in this paper,where GDX-501 was used as fixed phase.

采用GDX-501为固定相，用保留值和加入已知物增加峰高法进行定性，用外标法进行定量，建立了气相色谱法测定液氧、液空中微量乙炔含量的方法。

The catalysis effect of carbide lime , which is a residue in the ethyne production and has a good sulfur-retention property, on pulverized coal combustion has been studied on a thermogravimetric analyzer.

用热重法研究了不同条件下电石渣的催化煤燃烧特性，发现电石渣对晋城煤的着火温度和固定碳燃尽率都具有一定的促进作用，而且随添加量的增加助燃作用增强。

Experiments of cylindrical gas cloud explosion were performed with 7.75 % of ethyne and 0.26 m3 of gas cloud volume and overpressures at 1.2 m and 1.6 m points from cloud center were recorded.

进行了乙炔浓度7.75%、气云体积0.26m3的圆柱形可燃气云爆炸实验，记录了距气云中心1.2 m与1.6 m两点的爆炸超压。

This invention products have high sensitivity for ethyne and alcohol etc, wide working range for keeping sensitivity, better selectivity, rapid response and resume function and better stability. It is suited to leakage detection of enthyne and alcohol etc,particularly for on line detection of low concn. ethyne in transformer insulating oil.

本发明对乙炔、乙醇等气体灵敏度高，保持灵敏度的工作范围宽，选择性好，响应、恢复快，稳定性好，适合于一般乙炔、乙醇等气体检漏，特别是适合于变压器绝缘油中低浓度乙炔气体的在线检测。

The present experimental investigation attempts to understand the suppressing effect of metal mesh construction on deflagration waves of premixed ethyne air mixture in unconfined space.

实验旨在研究金属丝网结构对开敞空间预混乙炔-空气爆燃波的抑制效果。

Using ethyne as source gas, CNTs were successfully synthesized by CVD method. By comparing different synthesis technics, the influences of parameter to the grow of CNTs, such as catalysts, growth time, reaction temperature and ratio of all kinds of carrier gases were investigated. The results showed that the influence of carrier gas, reaction temperature, and the growth time on synthesis of CNTs was significant. In conclusion, a better condition for carbon nanotube growth was obtained. Through analyzing Raman Spectrum of samples, GM and SWNTs' characteristic peak-RBM was indicated.

采用乙炔为碳源、氢气和氩气为载气，利用气相催化热解法在AAO模板上成功的制备出了纳米碳管，用TEM，SEM，EDS，Raman等表征方法研究了生长温度、裂解时间、载气含量和不同催化剂对碳纳米管的石墨化程度、产物形态的影响，指出了单壁碳纳米管的特征振动模式—径向呼吸振动模以及拉伸振动模式G模，缺陷导致的D模，并采用蒸金后的样品进行了场发射的测试，得到了F-N曲线，与理论符合较好。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。