乙炔

The thermodynamic functions of NO removal by low carbon hydrocarbons such as methane, ethane, ethene, ethine, propane and propene are calculated,and enthalpy changes of reaction producing activated particles from low carbon hydrocarbons in electric field are calculated to find out the appropriate low carbon hydrocarbons for removing NO.

通过计算甲烷、乙烷、乙烯、乙炔、丙烷和丙烯等低碳烃与NO反应的热力学函数和低碳烃在电场作用下产生活性粒子的反应焓变，找出合适的低碳烃作为脱除NO的添加剂。

Using oxygen ethine flame spraying weld technology,taking Ni base alloy powder Ni O2C as material of spraying weld layer,the spraying weld prestrengthening to the sealing chute of No.

采用氧一乙炔火焰喷焊工艺，选择镍基合金粉末 Ni-O2 C作为喷焊层材料，对莱钢烧结厂 1#烧结机密封滑道，进行喷焊预强化，解决了高温烟气冲蚀和磨粒磨损问题。

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 。

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。

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。

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。

Total volatile components, acetone, cyclohexadiene, cyclopentyl ethyne, acetic acid and hexanal contents show more significant correlation with storage time, physiological biochemical indexes respectively, and it can be used as an assessment index for the storage quality of stored maize.

总挥发性物含量、丙酮、对环己二烯、环戊乙炔、乙酸、己醛的含量与储藏时间、生理生化指标呈较高相关性，可作为玉米储存品质变化的评判指标。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。