查询词典 combustion tube

The results indicate that the heat transfer coefficient increase about fourteen percent between the bed and the wall and the one between the gas and horizontal tube increase about twenty two percent, it means pulsating promote heat transfer, Desulfurizing Characters Experimental Research on Pulsating Fluidized Bed With different initial SO_2 density, mean diametric of the calcium oxide and combustion temperature, the experimental results of desulfurization with pulsating or not indicate that the desulfurizing characters of the Rijke type self-exciting pulsating fluidized bed are the same with the conventional fluidized bed combustor, it is that the utilization ratio of the calcium oxide increasing with the initial SO_2 density, the desulfurizing combustion temperature has the best value and the utilization ratio of the calcium oxide reducing with the mean diametric of the calcium oxide.

脉动流化床脱硫特性实验研究对不同初始SO_2浓度、不同初始脱硫剂颗粒平均直径、不同燃烧区温度条件下脉动与非脉动状态下流化床内的脱硫实验研究表明，Rijke型自激式脉动流化床具有类似于常规流化床燃烧器的脱硫特性：固硫剂的CaO利用率随初始SO_2浓度的增加而增加，脱硫燃烧温度存在最佳值，以及CaO利用率随脱硫剂颗粒平均直径的增加而减小。

The conducting wall in micro-tube preheats the inlet mixture by axial heat transfer. The existence of conducting wall will help to reach full reaction in the micro-tube. As the inlet velocity increases, both the existence of the surface catalytic combustion and the gas phase combustion become the limiting factors on combustion. Wall material and equivalence ratio of hydrogen/air mixture have important influence on catalytic combustion of hydrogen.

计算结果表明：表面催化反应对空间气相反应有抑制作用；在微型管道内，通过导热壁轴向间的传热，预热入口混合气体，使氢气燃烧更加充分；随着入口速度的增大，燃烧过程同时存在着表面催化反应和空间气相反应两种控制因素；管壁材料和当量比对氢气的催化燃烧过程有重要的影响。

Combustion experiments were performed by burning Wulanmulun coal in a drop tube furnace to study ash formation behaviors during O2/CO2 pulverized coal combustion.

煤炭等燃烧产生的CO2对环境的危害已引起全球关注，各国政府正投入大量的人力物力研究开发CO2减排和封存技术。

The NOx release characteristic of the single coal and blended coals during combustion is studied with tube furnace and one-dimension combustion experiment system, and the coal characteristic and combustion condition which have influence on the NOx emission in the process of pulverized-coal combustion are studied in this paper.

燃烧温度和燃烧区域的气氛对于NOx的生成有很大的影响。保证煤粉稳定燃烧时的最低的O2浓度就是煤粉低NOx燃烧的最佳O2浓度。

According to the experiment results,the author analyses the combustion propagation mechanism of detonator delay composition and believes that the combustion in the lead tube is impulsive combustion,which is the key factor of influencing the delay precision of the detonator;secondarily,the effect of the igniting power terminal is also very obvious.

本文实验测试了硼系延期药和硅系延期药燃烧传播过程，根据实验结果分析了延期药燃烧传播机理，认为延期药在铅管内的燃烧是脉动燃烧，是影响雷管延期精度的主要因素，其次点火药头的影响作用也十分明显。

The MB Metallic Burner and the burners with silicon carbide combustion tube are light weight Nozzle-Mix Burners.

金属和炭化硅炉头是轻质烧嘴混合炉头。

The computational results indicate that surface catalytic combustion restrains gas phase combustion. Inlet velocity and tube diameters have important influence on catalytic combustion of hydrogen. For smaller inlet velocities,reaction is dominated by gas phase combustion. As the inlet velocity increases,there exist both surface catalytic combustion and gas phase combustion. For bigger inlet velocities,reaction is dominated by surface catalytic combustion. The temperature of flame core decreases with the decrease of tube diameter.

计算结果表明，表面催化反应对空间气相反应有抑制作用；入口速度和管径对氢气的催化燃烧过程有重要的影响，在入口速度较小时，燃烧主要是空间气相化学反应，随着入口速度的增大，燃烧过程同时存在着表面催化反应和空间气相反应两种控制因素，在入口速度较大时，燃烧主要是表面催化燃烧过程；随着管径的减小，微型管道内反应的最高温度降低。

Fully automatic sample feeding of up to 60 samples into a steel combustion tube, high temperature digestion at 900°-1000°C.Oxygen saving, sensor controlled gas supply.Detection of nitrogen after reduction on tungsten by means of a special low-noise thermoconductivity detector.Carbon determination as CO2 and hydrogen determination as H2O with "purge and trap" technique and TCD detection.

通过装有60个样品的全自动进样器，将样品送入不锈钢的燃烧管内，样品在900° C －1000° C 的高温并通过由传感器控制的加氧装置加入纯氧进行氧化，燃烧气体中的氧化氮被钨还原成氮并通过特殊的低噪音的热导池被检测，其后通过分离装置将 CO2和 H2O 进行分离并通过 TCD 检测得出碳和氢的含量。

A method and apparatus for increasing the propelling force of pulse engine features that the fuel nozzle of pulse explosion engine is arranged in combustion chamber to close jet tube exit, and the fuel is reversely sprayed out to generate a shock wave barrier near the jet tube for preventing the airflow from flowing out of the combustion chamber, resulting in raising the pressure in combustion chamber and in turn increasing the propelling force.

本发明公开了一种提高脉冲发动机推力的方法和装置，它是通过将脉冲爆轰发动机的燃料嘴置放在燃烧室中靠近喷管出口附近，并使燃料逆向喷出，在燃烧室内靠近喷管附近形成一道阻止气流流出燃烧室的激波，激波的作用是使燃烧室压力升高，从而的到较大的推力。同时由于本发明的结构特别的简单，所以实现非常容易，并且工作效果十分显著。

Compared with the actual resultof using gas generator as combustion supply, the doughnut-shaped furnace can reduce the energy consumption, cut down combustion of base tube, reduce the time of temperature increasing and decreasing and reduce pollution to a large extend by using industrial gas and adopting the regenerative combustion system and fuzzy PID technology.

6通过实际使用比较，环形炉采用工业煤气燃烧，使用蓄热式燃烧系统和模糊PID控制技术，比较使用煤气发生炉作为燃烧供应，可以很大程度的降低能耗、减少管坯烧损、降低升降温时间和减少污染。

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。