查询词典 gas-forming reaction

A really effective hydrophobia catalyst with stability and high activity is the key to hydrogen isotope exchange reaction between hydrogen gas and liquid w...

本研究制备了Pt-SDB和Pt-C-PTFE两类憎水催化剂，催化剂的活性组分均采用铂。

Kinetics of methanol dehydration to dimethyl ether on modified kaolin catalyst was studied in an integral reactor under normal pressure. It is deduced that the surface reaction of methanol molecule adsorbed on the active site of catalyst with methanol molecule in gas phase is the rate determining step. The hyperbolic type kinetic equation r=ksbMpM2/(1+bMpM+bpE) is obtained according to the theory of langmuir even adsorption and using the R-E mechanism.

采用积分反应器，考察了常压下在改性高岭土催化剂上甲醇脱水生成二甲醚的反应动力学，根据Langmuir均匀吸附理论，采用R-E机理，推断吸附的甲醇分子与气相主体中的甲醇分子发生的表面反应为速率控制步骤，得到双曲线型动力学方程为： r= ksbMpM2 /(1+bMpM+bpE)（r为反应速率， ks为反应速率常数， bM为甲醇的吸附平衡常数， b为二甲醚和水的吸附平衡常数之和， pM、 pE分别为甲醇、二甲醚的分压）。

Low temperature reaction can produce a large number of free radicals and a considerable heat release which may raise the temperature of end-gas to the point of ignition.

低温化学反应能够产生大量的活性基，并有显的热量释放，足以使末端气体温度提高到自燃的程度。

An inert gas is one that exhibits great stability and extremely low reaction rates under normal temperature and pressure conditions.

惰性气体是在常温和常压下非常稳定且反应率极低的气体。

The results show that, foamed acid possesses some characters such as low density, flowback easily, water plugging, selectively blocking up, corrosion control, reaction control, esc. Then foamed acid was especially fit for gas wells, reacidizing wells, wells of prominent interlamination antinomy between layers, wells containing water and oil in a same layer, esc.

研究结果表明，泡沫酸具有密度低、易返排、堵水不堵油、堵大不堵小、缓蚀、缓速等重要性质，特别适用于气井、重复酸化的老井、层间渗透率差异井、油水混层井等的酸化施工作业。

The procedure of oxidation of β-ionone by sodium chlorate was studied using gas chromatography-mass spectrometry to analyze the reaction products. And their structures were characterized by IR, MS, 1HNMR and EA.

采用GC-MS方法分析反应产物，对氯酸钠氧化β-紫罗兰酮的反应工艺进行研究，并探讨温度、时间、反应物配比和溶液的pH值对反应的影响。

Viktoria: No, there is no time to think, we must go to the Mechanist's cathedral, the beacon you heard about...you could find it, try to activated it, to draw the servants to the cathedral. then you must somehow get Karras to seen of them, to release the rust gas. You see a fine filled cathedral with plants, enough to fill a train reaction.

维多利亚：不，没有时间想了，我们必须去机械论者教堂，你听说过的那个"烟火"……你会找到的，试图去激活它，把仆人们引进教堂，然后你无论怎样必须让卡拉斯看见他们，释放铁锈气体，你会看见一个被植物覆盖的教堂，足够填充一次实验反应。

A series of molybdenum carbide catalysts were prepared using 20%CH4-H2 to carburize molybdenum trioxide at different temperatures. The catalysts were characterized using X-ray diffraction, X-ray photoelectron spectroscopy and N2-adsorption. Their catalytic performance was evaluated in the model reaction of the dry-methane reforming to synthesis gas. Here, the characteration of bulk and surface Mo2C catalysts and its influence on the catalytic performance were described.

以MoO3为前驱物，于20%CH4-80%H2的混合气体(100 mL/min)中，在不同设定终温下进行碳化，制备了一系列不同碳化终温的Mo2C，通过XRD和XPS等手段进行了表征，并对其甲烷二氧化碳重整制备合成气的催化性能进行评价，讨论了碳化终温作为Mo2C的制备参数，与所制备的Mo2C体相、表面特征和催化剂性能的关系。

Molybdenum carbide catalysts were prepared by temperature-programmed reaction using CH4/H2 gas mixture to carburize molybdenum trioxide at different temperatures, then were characterized with XRD and BET.

以MoO3为前躯体，CH4/H2为还原碳化气，采用自制的程序升温还原碳化反应装置制备出Mo2C催化剂，并用XRD、BET进行表征。

The basic principle and process of monoethanolamine method for recovering CO2 from flue gas were introduced, and the shortcomings of it such as high vapor consumption and heavy solution's corrosion, reaction activeness between MEA and O2, etc, were pointed out.

介绍了一乙醇胺法回收烟道气中二氧化碳的基本原理和工艺流程，指出MEA法具有蒸汽消耗量高、溶液腐蚀性大、MEA易与氧气发生降解反应等缺点。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。