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The methods of analysis and evaluation of thermodynamics of LiBr-H2O absorption cycles are set up. Firstly, Based on the utilization of The First and Second Law of thermodynamics, the ideal combined Camot Cycle model is set up. Secondly, Aimed at the insufficient of the classical thermodynamics analysis method, the popular method-- Finite Time Thermodynamics analysis is applied to set up the model of endo-reversible combined Carnot cycle. Finally, the optimization relationships between the specific heating load and operating parameters and between SHL and COP are conducted according to the characteristics of the function and investment of AHT.
在首先利用热力学第一、二定律分析方法的基础上,建立了吸收式热变换器的理想联合卡诺循环模型,然后针对经典热力学分析方法的不足,利用了当前很流行的有限时间热力学分析手段,建立了AHT系统内可逆联合卡诺模型,根据热变换器的功能、投资等方面的特点,导出了吸收式热变换器比供热率与操作参数、比供热率与热力学性能系数的优化体系。
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This text with peep the skill of the leopard in the tube, with Beicun makes lately 《 cut up rough 》 for point to be attended to, pass three parts of"《 cut up rough 》 of break through siege successfully","《 cut up rough 》 of social meaning and the society that cause thinking"," to Beicun once more the outlook of the vanguard" to inquiry into the lately- make worth and Beicun of north village is the writer essence load of the power of the vanguard.
本文以管中窥豹的手法,以北村的新作《愤怒》为着眼点,通过&《愤怒》的成功突围&、&《愤怒》的社会意义和引发的社会思考&、&对北村再度先锋的展望&三个部分来探讨北村新作的价值及北村作为作家本体所承载的先锋的力量。
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First, the angular velocity function and maneuver load for certain maneuver flight (including hover, dive-hike and these two combined) are set up. The simulation results of the vibration of double-disk rotor system with cantilever supported on rigid bearings show that rotor would be apparently deformed under maneuver load. Second, the performance of oil force of SFD in maneuver flight is analyzed. The results show that in maneuver flight, the SFD with centering spring will become eccentric and its oil force will be time-related and offset-related. Then, SFDs are introduced into typical Jeffcott rotor system. The whole system will be statically displaced in maneuver flight and the nonsynchronous components of oil force appear in the response of rotor system.
首先,建立了水平盘旋、俯冲拉起及盘旋+俯冲拉起复合机动三种机动飞行条件下的机动角速度函数,并确定了对应机动飞行条件下的机动附加载荷(附加离心力和附加陀螺力矩),分析了带刚支的双盘悬臂转子系统在机动飞行条件下的振动特性,发现发动机转子在机动飞行时会发生明显变形;随后,分析了非定心挤压油膜阻尼器的油膜力特性,机动飞行时,油膜轴颈在机动附加载荷的作用下偏离外环中心,使得带定心弹支的挤压油膜阻尼器也变成了非定心挤压油膜阻尼器,其非定心挤压油膜力是瞬态时变的,并且与SFD油膜轴颈偏移量和进动形态有关;然后,在经典的Jeffcott转子系统中引入带定心弹支的挤压油膜阻尼器,分析了机动飞行时非线性转子系统的振动特性,发现挤压油膜阻尼器油膜力的非协调特性也反映到转子系统的振动响应中;之后,对机动飞行条件下带挤压油膜阻尼器的双盘悬臂转子系统的振动特性进行了分析,并重点分析、总结了俯冲拉起机动飞行时,系统结构参数和工作状态参数(转速比、机动飞行半径、机动角速度等)对该系统振动特性的影响。
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And with a large, four-gallon fuel tank and efficient power delivery, this engine is capable of running a 50-percent load for up to 13 hours or a 100-percent load for nine hours.
有了一个大的,四加仑的燃料箱和高效率的电力输送,这个引擎可以运行长达13个小时或一个百分之百的负荷为9小时50百分之负载能力。
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The boost converter is a voltage step-up and current step-down converter .the current source is synthesized from a DC voltage source by adding a large value inductor in series .in DC regulated power supply applications ,the voltage sink represents a large value capacitor in parallel with the load resistance .in the application of the DC motor control ,the voltage sink represents the back emf of the DC motor .the switching action produces a pulsating current .the capacitive filter smoothens the pulsating current and provides a DC voltage to the load
升压转换器是一个升压和降流的转换器。电流源是一个直流电压源添加一个大值电感串联合成的。在直流稳压电源的应用,电压降代表一个大值电容并联一个负载电阻。在直流电机的控制应用中,电压降代表反电动势的直流电机。转换行为产生一个脉动电流。一个滤波电容是这个脉动电流平和并且提供直流的电压负荷。
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Simulation results show that the load control method with variable event timing can effectively decrease the pumping loss at engine partial load condition up to 57%, and the brake specific fuel consumption is improved to 5.63%.
结果表明,采用可变气门开启持续期负荷控制方式可以有效降低汽油机部分负荷泵气损失,最大降低幅度达到57%,同时比油耗降低了5.63%。
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An analytical model for wheel load adjustment of metro vehicle is set up,the analytic solutions for wheel load are derived in this paper.
通过建立地铁车辆轮重调整力学分析模型,推导出轮重变化的解析式。
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Digital Language nuclear phase meter, intelligent dielectric loss test, instrument megger, frequency series resonance test device, grounding resistance tester, transformer load switch tester, the nuclear-phase high-pressure device, vacuum oil filter, clamp grounding resistance instrument, stray current detector, transformer features an integrated tester, cable fault tester, DC resistance tester, digital relay protection tester, automatic transformation ratio tester, relay protection tester, vacuum tester, Loop resistance tester, wireless high-pressure phase of nuclear device, active transformer capacity tester, insulation oil dielectric strength tester, high voltage switch mechanical properties tester, intelligent switching characteristics tester, light-up-flow devices, wireless instrument of nuclear phase, oxidation Zinc arrester tester, high voltage test transformer, DC high-voltage generator, lightning counter checkers, inductive load DC resistance tester, dielectric strength of insulating oil automatic tester, relay protection test chamber, multi-function test bed, IF DC - Generators
数显语言核相仪,智能化介质损耗测试,仪兆欧表,变频串联谐振试验装置,接地电阻测试仪,变压器有载开关测试仪,高压核相仪,真空滤油机,钳形接地电阻仪,杂散电流测定仪,互感器特性综合测试仪,电缆故障测试仪,直流电阻测试仪,微机继电保护测试仪,全自动变比测试仪,继电保护测试仪,真空度测试仪,回路电阻测试仪,高压无线核相仪,有源变压器容量测试仪,绝缘油介电强度测定仪,高压开关机械特性测试仪,智能开关特性测试仪,轻型升流器,无线核相仪,氧化锌避雷器测试仪,高压试验变压器,直流高压发生器,雷击计数器校验器,感性负载直流电阻测试仪,绝缘油介电强度全自动测试仪,继电保护试验箱,多功能测试台,中频直流发生器
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In order to solve the poor load capacity of oil film bearings during the start-up process of tandem cold rolling mills, based on the hydrostatic bearing theory, a load bearing capacity model for oil film was established. The influences of screw-down tilting, hydraulic pump power and restrictor's hydraulic resistance on the hydrostatic pressure bearing-spindle system were calculated.
针对某CVC带钢冷连轧机启动阶段支持辊油膜轴承静压承载能力不足的问题,应用流体润滑理论,建立了轴承倾斜工作下静压承载能力的全润滑系计算模型,分析了轧机压下倾斜、油泵功率和节流器液阻对轴承静压承载性能的影响。
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In this paper, test research have been performed on the two important mechanical properties indicator compressive modulus of elasticity and shear modulus. Numerical simulation has been performed on the base of results of test under the situation uniform and uneven thickness of elastomer layer, which analyze internal stress distribution of the elastomeric bearing, as follows:(1) The traditional test methods of compressive modulus of elasticity test are rather cumbersome and take up experimentalists lots of time. This paper has improved the traditional test methods of compressive modulus of elasticity test, which has collected the holding-load time together to concentrate on holding load. The tests have been performed on different types of bearings, which results show that the results of the improved test method conform to the error range regulated by the standard and can effectively save time for the experimentalists, also eliminate the accumulative error.
本文主要对板式橡胶支座的抗压弹性模量、抗剪弹性模量两个重要力学性能指标进行试验研究,并在试验结果的基础上对均匀胶层厚度和不均匀胶层厚度两种情况进行数值模拟,分析橡胶支座内部应力分布规律,具体内容如下:(1)传统抗压弹性模量试验方法比较繁琐,占用试验人员大量时间,本文对传统抗压弹性模量试验方法进行了改进,将持荷时间集中起来进行集中持荷,通过对不同类型支座进行试验,试验结果表明该改进试验方法所得结果符合标准规定误差范围,为试验人员节省了大量时间,并且还消除了传统方法中的累计误差。
- 相关中文对照歌词
- Load Me Up
- 推荐网络例句
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On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.
另一方面,更重要的是由于城市住房是一种异质性产品。
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Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.
气候直方图是将所收集的降水量测定值,分为几个相等的区间作为横轴,并将各区间内所测定值依所出现的次数累积而成的面积,用柱子排起来的图形,也叫做柱状图。
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You rap, you know we are not so good at rapping, huh?
你唱吧,你也知道我们并不那么擅长说唱,对吧?