预热

A fire in an enclosed space burns with the aid of reflected radiation that preheats the fuel, making ignition much easier and causing flames to spread more quickly.

在封闭空间燃烧的火/在反射的辐射热能的帮助下燃烧/预热了燃料/使得点燃更加容易/并使得火焰传播的更快。

Cut down cost in changing a project for the energy saving,the gas making use of a sulfur dioxide to change is that the cold stove gas preheats , reduces at the same time to change the air temperature degree , reclaim the quantity of heat changing an implement.

转化工程中为了节约能源，减少成本，利用二氧化硫转化气为冷炉气预热，同时降低转化气温度，回收转化器的热量。

The method for starting the high temperature polymer electrolyte membrane fuel cell stack preheats the stack through a heating block coupled to the stack, senses the temperature of the stack, compares the sensed temperature of the stack with a reference temperature, and supplies off-gas from the fuel reformer to the stack according to the results of comparison.

该启动高温聚合物电解质膜燃料电池堆的方法通过与电池堆相连的加热块预热电池堆，检测电池堆的温度，将检测到的电池堆的温度与参考温度进行比较，并根据比较结果向电池堆提供来自燃料重整器的废气。

Heating by warm air is of large thermal capacity, and can blow away the excessive impregnant on the lower surface of PCB and in the plated through holes. Heating by infrared quartz tube, despite its small thermal capacity, preheats the parts evenly, steadily and rapidly.

热风加热具有大的热容量，能够迅速吹走涂布在 PCB 下表面和全属化孔中的过量溶剂；红外石英管加热具有热容量小，升温快速，元器件预热均匀稳定等优点。

The Harper Vertical Screw Furnace preheats incoming material with heat available from the material exiting the hot reaction chamber, doubling energy savings through the reduced energy consumption for both heating and cooling.

Harper立式螺旋窑炉采用由热反应室中出来的原料释放的热量对即将被输送进来的原料进行预热，同时减少了加热和冷却过程中的能量消耗，从而成倍地节省了能量消耗。

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。

The technology also couples with the process of carbon-containing materials coking and calcium-containing materials calcining, preheats the materials to 500-1500 DEG C utilizing the combustion of by-products CO of the carbide preparation and the assistant fuel, thereby further reducing the oxygen and energy consumption of the carbide preparation.

该工艺还与含炭原料焦化和含钙原料煅烧过程耦合，利用电石生产副产物CO以及辅助燃料的燃烧将原料预热至500-1500℃，进一步降低电石生产氧耗及工艺能耗。

Be able to explode ignites （3000Till 4000 ℃,This also is living over-dose air and the numeric value when possesing remains waste gas only ,In case according to the ideal air/fuel ratio layout ,There is not waste gas ,The temperature gathering is taller ）Oil30 grams may be cause （90℃ tail gas preheats ）Steamization （Vaporization heat 2282.7J\g ）……At the respect of the pressure swelling ,Even if being in the critical of water （374℃）Condition ,Critical pressure 21.83MPa of water 、Carbon dioxide critical（31.1℃）Pressure 7.38MPa also is some -fold of a rule piston style explosive motor pressure 5--9MPa （Dalton's Law or the Law of Additive pressures）……For emploing the capacity means difference ,Therefore the composition is different as black and white .

一克爆燃（3000至4000摄氏度，这也只是在过量空气和有残余废气时的数值，如果按理想空燃比配置，没有废气，温度会更高）的油可以使30克（90摄氏度尾气预热）的水汽化（汽化热2282.7J\g）……从膨胀压力方面来说，即使处于水的临界（374摄氏度）状态，水的临界压力21.83MPa、二氧化碳的临界（31.1摄氏度）压力7。 38MPa也是常规活塞式内燃机压力5--9MPa的几倍（压力叠加定律，道尔顿定律）……因为用能方式不同，所以结构就截然不同。

Soak 6 (8-inch) bamboo skewers in water (at least 15 minutes).

浸泡6根（8-英寸）竹串棒在水里（至少15分钟），预热烤箱至425度。

Because of its super size and high strength, during fitting and welding after preheating, splaying crack in the penstocks occurred.

压力钢管因尺寸超大、刚度强，预热装配和焊接过程中出现焊缝张开及缺陷严重超标的现象。

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。