thermal constant的例句大全

Studies on the developmental threshold temperature and thermal constant of Rhopalosiphum padi ( Linnaeus) at variable temperature

变温条件下禾谷缢管蚜发育起点温度和有效积温研究

Its developmental duration decreases with the increased temperature. The development zero and effective thermal constant are 11. 33 ℃ and 234.04 day-degrees, respectively.

发育历期随温度升高而缩短，发育起点温度和有效积温分别为11.33℃和345.05日度。

The development threshold and thermal constant of immature stage are 12. 48' C and 217. 39 day-degrees respectively.

整个未成熟期的发育起点温度为12.48℃，有效积温217.39日·度。

Testing of Thermal Constant of Isostatic Pressed Metal Beryllium Material

等静压金属铍材热常数测试

Studies on predicting the optimum control period by the thermal constant for the tea looper, Ectropis obliqua Warren

有效积温法预测茶尺蠖防治适期的研究

A study on the thermal performance of the solar air heater is presented. The methods to test the time constant, resident time, incident angular modifier and instantaneous thermal efficiency are suggested.

该文对该类集热器热性能评价方法进行了研究，并对集热器的时间常数、热延迟常数、角系数修正因子及瞬时热效率的实验方法进行了初步的实验研究。

This thesis focused on plastic packaging, research the following questions: 1., Analysis of plastic reliability problems by thermal shock test, constant temperature and humidity testing, pressure cooker test. 2.

以塑料封装为重点，研究以下问题：1.通过冷热冲击试验、恒温恒湿试验、压力锅试验等可靠性试验，分析塑封可靠性问题。

Design and Temperature Drift Test of Pulse Modulation Constant Temperature Difference ( CTD) Control Circuit of Thermal Flow Sensor

脉冲调制型恒温差风速计控制电路的设计及其温漂特性测试

The thermal adaptation of the ant acclimated to different temperatures was studied to understand the effects of constant temperature acclimation on the preferred temperature, critical temperature and locomotor performance;

通过对不同驯化恒温下鼎突多刺蚁热适应性的研究，探讨恒温驯化对鼎突多刺蚁的最适温度、临界温度及运动行为的影响；

The results show that under the constant coating parameters the thermal absorption of the single-layer coating not only depends on the extinction coefficient of the coating, but also the extinction coefficient of the adjacent coating.

结果表明，单一膜层的热吸收率，在膜层参数确定的条件下，不仅取决于此膜层材料的消光系数，而且取决于相邻膜层的消光系数。

The thermal adaptation of the ant acclimated respectively to constant temperature and to variable temperature was studied to understand the effects of the two thermal acclimation method on preferred temperature, critical temperature and locomotor performance, and to test the optimality models;

通过对恒温、变温驯化下鼎突多刺蚁热适应性的研究，探讨不同的温度驯化方式对鼎突多刺蚁热偏爱性、温度耐受性及运动能力的影响，并验证最适性模型；

The result was compared to experimental results calculated with a comprehensive thermal analysis instrument ( DSC), and the metallurgical structure in test pieces cooling in constant-speed was examined.

采用反算法对相变热焓进行计算并与综合热分析仪（DSC）实验结果相对比，并且对恒速冷却试件与实际空冷试样进行金相组织观察对比。

So constant temperature equipment which be controlled by P was adapted in thermal compensation to solve the problem of the thermal drift, and to overcome the compensation deviation margin, that produced by adapting the compensation in segments.

所以在温度补偿中采用了比例自动控制的一个恒温装置来克服解决温度漂移，也克服了常采用的分段补偿所带来的补偿误差。

In order to improve the performance of thermal conductivity detector ( TCD) for gas chromatography, a precision constant current source circuit and a difference voltage detection circuit were designed.

为了提高气相色谱仪用热导检测器的性能，设计了热导检测器的精密恒流源和差压检测电路。

Furnace and Thermal Processes-Equipment with a temperature gauge used for processing wafers. A constant temperature is required for the process.

炉管和热处理-温度测量的工艺设备，具有恒定的处理温度。

Research on Thermal Stress Equivalent Static Load for Shell under Effect of Constant Temperature Field

常量定常温度场作用下壳体热应力当量静载的试验研究

Using the solutions, the evolution processes of thermal consolidation for a cylinder under axisymmetric conditions are studied for both constant and variable thermal loading conditions.

利用这一解答，分析了常温度荷载和变温度荷载两种情况下圆柱热固结的演化过程。

The constant-gain negative velocity feedback, Lyapunov feedback as well as a linear quadratic regulator ( LQR) approach had been used for active vibration control with the beam subjected to impact excitations and/ or thermal loads.

采用常增益速度负反馈控制、Lyapunov反馈控制和基于独立模态的线性二次型调节器（LQR）设计主动控制器，实现了层梁结构脉冲激励和热载荷作用下的振动主动控制。

Under this circumstance, the main difficulty is encountered when calculating the temperature distribution of the cylinder since unless the environmental temperature is constant the function of temperature field can not be derived from the present thermal conduction theories.

现有的热传导理论只能解决环境（介质）温度恒定的情况下圆柱体的温度场分布求解，而对于这样的问题则无法处理。

Theoretical Calculation and Experimental Research on Thermal Time Constant of Single-core Cables

单芯电缆热时间常数的理论计算与试验研究