热功率

From energy balance equation, using micro-piece analytical method, heat balance equation for high power fast axial flow CO〓 laser tube is established with the boundary conditions of actual fast axial CO〓 laser, the analyzed solution of the temperature distribution in the laser tube is obtained.

并应用热传导的物理边界条件，求出了热能平衡方程的解析解，得到了实际器件放电管横截面内的气体温度分布公式及温度分布曲线，并求得了激光功率变化对热致负透镜焦距的影响关系式。

Calculation results show that the solar heating system could enhance desorption temperature,improve performance of continuou...

计算结果表明，该太阳能集热系统可有效地提高吸附剂解吸温度及单位集热面积的制冷功率，实现太阳能的高效利用。

The laser does not need any thermal len and thermal double refraction compensation element, having high output power, better beam quality, high doubling efficiency, better stability, widely applied in medical, industry.

该激光器不需要任何热透镜和热致双折射补偿元件，具有输出功率高、光束质量好、倍频效率高、稳定性好，医疗、工业应用性强等优点。

Stability of resonator with thermal lensing inside is discussed by optical transmission matrix. The fluctuation range of thermal focal distance affects the laser power and the beam quality.

运用光学传输矩阵的分析方法对内含热透镜元件谐振腔的稳定性进行了分析，讨论了热焦距的波动性对激光输出功率和光束质量的影响，提出了固体激光器谐振腔设计的基本原则。

At the same time, in the transmission system of construction machinery up-to-date, the power transferred by the transmission is improved greatly, while the gear friction is adopted in the transfer structure, so the heat loss will influence both the lubrication and cooling of the system, and the working intensity of the structure components. Therefore, the correction of the heat balance is necessary to the system.

同时，在现代工程机械的变速传动系统中，由于行星变速箱所传递的功率有了大幅的提高，但传递结构依然大量采用齿轮摩擦传动，其热损失不仅对系统的润滑和冷却有影响，而且对结构元件的工作强度也具有很大的影响，因此，也需要对该系统进行热平衡校核。

Experimental results show that in asymmetric flat-flat resonators, when the laser crystal′s position is varied relative to two cavity mirrors, the output power changes in different way, and the radially polarized and azimuthally polarized focal lengths are 31.76 m·W, 42.26 m·W measured respectively.

实验结果表明，在非对称平-平腔中，当激光晶体相对于两面腔镜位置不同时，谐振腔输出功率会出现不同的变化趋势，测量出径向热透镜系数为31.76 m·W和切向热透镜系数为42.26 m·W。

And the feasibility of the two measurement methods is demonstrated.3 Computer simulation is performed in the situation of air passing by a heating columned thermistor through a round pipeline. The fluid velocity and temperature distributions under different mass flowrate are shown. They reflect the impact the heating thermistor has on the fluid. The velocity distribution on the surface of the heating thermistor is studied and the impact of natural convection is revealed. The lower limit of measurement based on the simulation result is given.

仿真实验结果给出了不同空气质量流量下加热元件周围流体的速度和温度分布，直观反映了加热元件对流动产生的影响；研究了发热元件表面流体的速度分布，揭示了由浮升力引起的自然对流对流量测量的影响，给出了测量下限值的仿真结果；并通过仿真实验数据验证了恒功率热消散式热式流量计的流量方程。

In the meantime, the quantity of heat that the friction power of bearing produces, make temperature of electric main shaft elevatory, produce particular thermal stress and heat to be out of shape, the influence machines precision.

同时，轴承的摩擦功率产生的热量，使得电主轴温度升高，产生一定热应力和热变形，影响加工精度。

Mechanics of microwave pyrogenation is dicussed, the suitable values of microwave power and Al3 +/SO_4~(2-) are determined as well as a well - perform -d sample of solid polyaluminum choride is obtained.

论述了微波热解的机理，确定了微波热解功率和Al3+的水相转移抑制剂离子配入的最佳值，得到了性能较好的聚合铝样品，验证了微波法的可行性。

The following functions can be realized: Measuerment:the effective values of three phase current and voltage, power frequency, active power, reactive power, power factor etc. Motor control: direct starting, converse starting, star and triangle starting, self-starting. Protection:thermal overload protection, current leakage protection, open-phase protection, three-phase unbalance protection, over voltage protection, loss voltage protection, low load protection and fault warning and fault dates memory. Communication: communication of the computer in control room and the microcomputer monitor in the spots is realized by the interface of RS-485. The motor is not only controlled in the spots but also in control room. The dates, information and some functions are shared by the spots and control room too.

该电动机监控器以80C196KC单片机为核心，通过采样三相电流﹑电压信号来实现以下功能：三相电流﹑电压有效值，电网频率，有功功率，无功功率及功率因数等的测量；对电动机实现直接、正反转、星三角及自起动控制；对电动机实现热过载、漏电、断相、三相不平衡、过压、欠压及轻载保护，对故障进行报警及数据记忆；通过RS-485串行接口与中央控制室计算机实现通信功能，对电动机既可本地，也可远程控制；实现控制现场与控制室之间数据、信息、功能共享。

I can not make it blossom and suits me

我不能让树为我开花

When temperatures are above approximately 80 °C discolouration of the raceways or rolling elements is a frequent feature.

当温度高于 80 °C 左右时，滚道或滚动元件褪色是很常见的特征。