不过大多数恒星都没有足够的质量以产生燃烧重元素所需的压力与热能,所以核聚变与热能产生过程都停止了。
But most stars are not massive enough to create the pressures and heat necessary to burn heavy elements, so fusion and heat production stop.
甚至只有十五分钟的一起玩耍时间也可以起到燃烧热量,减轻压力和促进家庭氛围和谐的作用。
Even 15 minutes of fun together burns calories, reduces stress and promotes family bonding.
是按照人体工学原理所生产制造的袜子,通过渐进式压力,加速腿部血液循环燃烧脂肪,达到瘦腿的目的。
According to ergonomic principles of manufacturing socks, through the gradual pressure, accelerate the blood circulation of legs burn fat, to achieve the purpose of leg.
压电式变送器也可以用来测量发动机内部燃烧压力的测量与真空度的测量。
The piezoelectric sensors can also be used to measure the internal combustion engine measure pressure and vacuum measurement.
实际上,爆炸是一次剧烈爆炸,因此它产生比简单爆燃燃烧过程中的压力大大增加。
In effect, detonation is a violent explosion and as such it produces vastly higher pressures than the simple burning process of deflagration.
燃料燃烧热上涨增加了压力,从而迫使活塞移动,增加量超出时的空气量压缩开始。
Heat gained from burning fuel increases the pressure, thereby forcing the piston to move, expanding the air volume beyond the volume when compression began.
此技术的好处包括燃烧效率高,排放低,维护少,压力下降低,调节低,因此提高了工厂的整体性能。
The benefits of this technology include superior combustion efficiency, low emissions, low maintenance, low pressure drop, and low turndown, resulting in improved overall plant performance.
研究结果表明,通过减小缸内压力振荡可降低直喷式柴油机的燃烧噪声。
The research results show that the engine combustion noise can be reduced by reducing the combustion pressure oscillation in combustion chamber.
介绍了一种应用光导纤维动态燃烧压力传感器的点火闭环控制系统。
A closed loop controlled ignition system with the use of an optical fiber dynamic combustion pressure sensor is presented in this paper.
扩散器,发动机内压气机和燃烧室间的一个部件,用来降低空气流速并增高空气压力。
DIFFUSER, a part of an engine between the compressor and combustion chamber for reducing the airflow speed and increasing the air pressure.
扩压器,发动机内压气机和燃烧室间的一个部件,用来降低空气流速并增高空气压力。
DIFFUSER, a part of an engine between the compressor and combustion chamber for reducing the airflow speed and increasing the air pressure.
可燃混合气开始发生剧烈燃烧,气缸内压力达到3 ~ 5兆帕,甚至更高。
It now begins to Burn very-rapidly, and the cylinder pressure increases to as much as 3-5 MP a or even more.
该控制系统利用最高燃烧压力点的曲轴转角作为反馈信号,实现其对发动机点火正时的控制。
In this system the crankshaft rotating Angle, where the peak combustion pressure occurs, is taken to be a feed back signal, so that the ignition timing of the engine is able to be controlled.
此外,氧化环境的组分及压力也会影响燃烧产物的颗粒尺寸、粒度分布和形态。
In addition, the content and pressure of oxidizing environment also influence sizes, size distribution, shape of combustion products.
高能多脉冲超正压射孔技术是一项利用高能燃料的燃烧在目的层产生压力的超正压射孔或增产新技术。
High energy multiple pulse overbalanced perforating is a new perforating and stimulation technique which USES high energy fuel's burning to produce pressure in interest formation.
研究结果表明:气体动力载荷因素中,压力升高率和放热率是影响燃烧噪声的重要因素。
The result shows that the rate of pressure rise and the heat release are the main dynamic load factor that affects the combustion noise.
为了控制炉温的稳定及煤气的充分合理燃烧,设计压力控制回路、吸力控制回路使煤气量和空气量稳定在设定值上。
In order to maintain the flue temperature and guarantee the gas can combustion fully, gas pressure control loop and the sub flue suction control loop are designed.
导出了油箱容积、气箱容积、充气间隔的压力降和燃烧时间的关系。
The relation equation of pressure drop in oil tank vers burning time and the air volume is established.
对燃料喷入时的燃烧室温度、压力及推进剂余氧系数等工作参数进行了试验研究。
The effect of the combustor temperature, pressure and coefficient of residual oxygen was experimentally investigated when the fuel was injected into the combustor.
试验结果表明:采用快速点传火技术的传火管传火速度大大提高,点火压力增大,点火后燃烧稳定。
The result showed that, by using a quick ignition technique, the transmitting speed and ignition pressure of the flash tubes increased obviously, and more stable combustion were obtained.
对不同喷油嘴进行燃烧计算,以最高燃烧压力和燃油消耗率为指标,选取合理的喷油嘴参数。
After combustion calculation of different nozzles are finished by using maximum firing pressure and fuel consumption rating as indexes, reasonable nozzle's parameter is found.
研究表明,燃烧“喘息”现象是由燃烧压力周期波动引起的,说明炉膛内存在燃烧振荡。
Study results indicate that puffing combustion is occasioned by periodical pressure oscillations, which demonstrates the existence of combustion oscillations in the furnace.
结果显示喉栓能够有效改变发动机燃烧室压力和推力,满足发动机推力控制要求。
Results show that pintle could change the nozzle throat area and thus the motor pressure and thrust, which provided the capability for thrust control.
研究了爆震管中爆震燃烧的压力特性及爆燃到爆震转捩(DDT)特性。
The pressure and deflagration to detonation transition (DDT) characteristics of acetylene and oxygen flame were studied in a detonation tube.
对气缸内参数的分析表明,滞燃期缩短,最高燃烧压力降低,燃烧过程较为柔和。
The analysis of combustion parameters in cylinder shows that the ignition delay reduces, peak combustion pressure decreased and combustion process becomes more smooth.
压力变化速率对火焰传播和燃烧室充气过程也有重要影响,应当加以考虑。
Moreover the rate of pressure change also plays an important role in the phases of flame-spreading and chamber-filling, and should hence be accounted for in the prediction.
牢固的外壳(IP65)可以使静态压力在燃烧室和其他的空气管理应用领域内被精确的测量。
Its rugged housing (IP65) allows static pressures to be measured accurately in combustion Chambers and other hostile air management applications.
文中报告了特种发动机燃烧室压力、混合比、推进剂喷注温度和喷注器结构对燃烧过程影响的计算及分析结果。
The results of the calculation and the analysis of effects of combustion chamber pressure, mixture ratio, propellant injection temperature and injector type on the combustion processes are reported.
文中报告了特种发动机燃烧室压力、混合比、推进剂喷注温度和喷注器结构对燃烧过程影响的计算及分析结果。
The results of the calculation and the analysis of effects of combustion chamber pressure, mixture ratio, propellant injection temperature and injector type on the combustion processes are reported.
应用推荐