The diesel engines are compression ignition engines. The diesel engine uses the heat of compression to ignite the fuel.
柴油机和汽油机一个主要区别是柴油机的压缩比非常高。
In a diesel engine, there is no spark plug. Instead, diesel fuel is injected into the cylinder, and the heat and pressure of the compression stroke cause the fuel to ignite.
柴油发动机内没有火花塞，取而代之的是将柴油喷入发动机气缸，然后压缩冲程在高温高压下引起燃料点火。
In the compression process take away heat generation of compression.
在压缩过程中带走压缩产生的热量。
The results have shown that MCA can increase tensile strength and hardness of NBR and also improve the properties of resistance to heat aging and compression set of NBR as well.
结果表明金属活性助剂mca，在不同的硫化体系中可提高丁腈橡胶的拉伸强度、硬度，改善丁腈橡胶的耐热老化性能及压缩永久变形性能。
The results indicate that heat treatment and different pore structure parameters markedly affect the compression and energy absorption behavior of porous Al alloy.
结果表明，不同的孔结构参数以及固溶时效处理对多孔铝合金的压缩吸能性能有着显著的影响。
This kind of material is compounded using soft fibers and suitable resin matrix and formed plate or sheet after heat compression.
这类复合材料主要利用柔软的纤维和适量树脂基体进行复合，经压制形成板材或片材使用。
Compression-resistant rock wool board: used for roof heat preservation of airport lounge and large workshop as it could bear huge loads.
耐压岩棉板：能承受巨大的高负载。适用于候机室、大型车间等房顶保温。
Vapor compression heat pump is a new concept of thermal control system and refrigerator for future space use.
蒸汽压缩热泵是未来大型航天器热控系统和制冷设备的新方案。
Additionally due to its compression ignition without throttle loss of valve throttle, it can make a higher heat efficiency.
又由于是压缩着火而且没有节气门的节流损失，可导致高的热效率。
But there are some shortage of ordinary single-stage heat pump in low-temperature environment, such as high compression ratio, devoid heating power and low efficiency.
但普通单级空气源热泵热水器在低温环境下运行中存在压缩比过大、制热量不足和制热效率太低等问题。
The available energy loss of ASU lies in the gas compression , heat exchanging, distillation, and throttling depressurization process.
空分设备有效能损失主要存在流体的压缩与膨胀、热交换、精馏、节流减压。
The heat radiation in cylinder of a high speed light load compression ignition engine is measured using a heat radiation sensor.
在一台小型高速单缸压燃式发动机上，利用商用辐射传感器测量了缸内辐射传热量。
Exergy loss in an air separation unit mainly derives from the compression and expansion processes of fluid, heat exchange, rectification and throttling.
空分设备有效能损失主要存在流体的压缩与膨胀、热交换、精馏及节流减压等。
The process doesn't exhibit fully laminar unless the reference Reynolds number based on the location of peak heat transfer on compression ramp is low enough.
只有基于再附峰值热流率位置长度的参考温度条件下的雷诺数足够低，相互作用过程才能是纯层流的。
Indoor air heat exchanger is made up of preheat exchanger and secondary heat exchanger, and removed wet compression for compressor.
制冷系统室内空气热交换器由预热交换器和二次热交换器组成，消除了压缩机可能存在的湿压缩。
The compression strength of heat treated amorphous alloy is decreased remarkably due to the occurrence of precipitated phase or crystallization phase in the amorphous alloy.
热处理后，当非晶合金中出现分离相或晶化析出相时，压缩强度将急剧下降。
The utility model belongs to the technical field of a water source heat pump, a ground source heat pump and a vapor compression type cooling water machine set.
本实用新型属于水源热泵、地源热泵和蒸汽压缩式冷水机组的技术领域。
At the same time, we introduce a kind of two dimensional inverse heat conduction problems which do not convect with outer space in doing the compression, and we have got the expected result.
同时将一类与外界无热交换的二维逆热传导方程应用到图像压缩中，并取得了预期的效果。
Biogas engine-driven heat pump (BHP) not only has the same functions of compression heat pump, but also can utilize the waste heat recovery from biogas engine.
由沼气发动机驱动的热泵(BHP)除能够保证一般热泵功能外，还能够充分回收利用沼气发动机的余热。
The obtained wall material has the characteristics of big air porosity, small heat conductivity and high compression strength, and realizes the light heat insulation of the wall material.
所制得的墙体材料具有气孔率大，导热 系数小，耐压强度高的特点，实现了墙体材料的轻质隔热化。
Therefore the wicks cater to two performances of the high thermal conductivity and the compression bending of the heat pipe, and improve the application of the heat pipe.
所以此方法制备的芯体材料能够兼顾热管高导热率和弯曲加工的两项性能，提高了热管应用的平台。
The finished products produced by this machine has he feature of good surface, stronger compression resistance, light and heat stability, low size-changing and ageing resistance.
该机组具有能耗低、性能稳定、高速高效等特点。用该机组挤出的异型材外形美观、抗压性能强、光稳定性和热稳定性好、尺寸变化率低、抗老化。
The finished products produced by this machine has he feature of good surface, stronger compression resistance, light and heat stability, low size-changing and ageing resistance.
该机组具有能耗低、性能稳定、高速高效等特点。用该机组挤出的异型材外形美观、抗压性能强、光稳定性和热稳定性好、尺寸变化率低、抗老化。
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