Heat pump is a kind of heating equipment for energy-saving purpose. Its performance coefficient is much higher than common furnace equipment.
热泵是一种节能型加热设备，其性能系数远高于普通锅炉装置。
Reducing the inlet temperature of cooling water and increasing its mass flow are favorable to increase refrigerant performance coefficient, and can decrease optimal pressure at high pressure side.
降低冷却水进口温度和提高其质量流量不仅有利于提高制冷性能系数，而且能降低最佳高压侧压力。
The coefficient of performance at cryogenic temperatures is typically 4-5%.
在性能系数在低温的温度通常是4- 5 %。
A set of formulas for the computation of quadratic performance function associating with first and second-order sensitivities of feedback coefficient matrix is given in this paper.
本文给出了连续系统中计算二次型性能函数对反馈系数阵的一阶和二阶灵敏度的全套公式。
Comparing with traditional construction materials, the ceramic grain concrete possesses the advantages of smaller thermal conductivity coefficient, less weighty and better structural performance.
与传统的建筑材料相比，陶粒混凝土具有导热系数小、重量轻、结构性能好等优点。
The correlative coefficient between desired signal and interference affects the filtering performance strongly, which changes the direction of optimal interference.
期望信号和干扰信号相关性越强，阵列滤波性能差异越明显，且相关系数的相位影响着“最佳”干扰信号的空间到达角。
Through experiment, the relation figures of engine rotation speed, coefficient of performance of heat pump and engine thermal efficiency are presented and analyzed.
通过实验，得出了发动机转速与热泵性能系数、发动机热效率的关系曲线，并进行了分析。
The mathematics model of coefficient of performance for SWHP-RFH is presented after analyzing the operation principle in different conditions.
分析该系统在不同工况运行原理的前提下，建立系统性能系数的数学模型。
The concept of Associated Coefficient of Performance was presented, and the feasibility of air-conditioning system assisted by medium-high temperature heat pump was analyzed.
提出了联合性能系数的概念，分析了利用中高温热泵辅助太阳能空调系统的可行性。
Secondly, in the prefabricated system, through the addition of raw materials with lower heat conduction coefficient, raising warming performance of lining material.
其次，在该预制件体系中通过添加导热系数较低的原料，提高内衬材料的保温性能。
The determination of material structure, performance parameters and membrane resistance, membrane diffusion coefficient of the F4112 ion exchange membrane were introduced.
介绍了F4112离子交换膜的材料结构、性能参数及膜电阻、膜中扩散系数的测定方法。
A test system of pyroelectric coefficient was designed to evaluate the performance of pyroelectric materials.
设计了一个热释电系数测试系统，用它来评价热释电材料的性能。
High strength bolts are widely applied in engineering practice. The torque coefficient is important evaluation parameter of their performance class.
高强度螺栓广泛地应用于工程领域，扭矩系数是评定其性能级别的重要参数。
The performance of various of cable conduits is analyzed. The inspection of cable conduits and test of friction coefficient is described. The buried depth of cable conduits is calculated.
对各种电缆导管的性能进行了分析，叙述了电缆导管的检验以及摩擦系数的测试，并对电缆导管的埋地深度进行了计算。
The correlation coefficient is proposed as a criterion to determine the optimal parameter, and evaluate the performance of algorithms. The simulation results demonstrates its possibility.
并提出使用相关系数作为算法最优参数选取和性能评价的标准，计算机仿真实验结果证明了该方法的可行性。
The experiment shows that by changing the velocity coefficient , the separation of boundary layer on pump vane can be controlled, and the performance of pump is improved and its hydraulic efficiency.
实验证明通过改变叶片型线参数方程中的速度系数的取值，可以控制边界层的分离，进而改善泵的性能，提高其水力效率。
Changes of sidewall sweep Angle and cowl position can influence inlet performance such as mass capture, total pressure recovery coefficient and uniformity of isolator exit flow field.
侧板后掠角大小和整流罩位置变化时，对进气道的质量捕获、总压恢复系数和隔离段出口流场的均匀性等都有一定的影响。
The intake port performance (swirl number, flow coefficient) has an important effect on power, economy and emissions of diesel engine.
进气道性能(涡流强度、流量系数)对柴油机的动力性、经济性和排放有重要影响。
The design of port is depended on steady flow test to obtain swirl ratio and flow coefficient and use them to evaluate the performance of intake port.
长期以来进气道的设计主要是依靠气道稳流试验测量其涡流比和流量系数来评定气道的性能。
The main menu includes five functional modules: "performance testing", "parameter setting", "coefficient proofreading", "data inquiring" and "system help", which can complete various tasks.
主菜单包括“性能测试”、“参数设置”、“系数校对”、“数据查询”及“系统帮助”五个功能模块，能实现系统要求的各项功能。
The 5% suspension always shows better cooling performance than water with lower wall temperatures and enhanced heat transfer coefficient within the whole range of mass flow rates.
质量浓度为5%的悬浮液在在整个质量流量范围内总是表现出比水好的冷却性能，它对应的是更低的壁面温度以及更好的传热系数。
Aimed to decrease damping coefficient and enhance pump's dynamic performance, a method for reducing the radial plunger pump stator forces was developed by analyzing the type JBP-63 pump stator forces.
为了降低阻尼系数进一步提高泵的动态性能，通过对JBP-63型径向柱塞变量泵定子受力仿真分析，研究了减小径向柱塞液压泵的定子不平衡力的方法。
The disperse coefficient and the volume utilization can be used as criteria to evaluate and compare the performance of hydraulic flocculator.
还提出扩散系数和容积利用率可作为评定絮凝器性能重要指标的观点。
Engineering Practice shows that the coefficient of heat conduction small insulation of the fine, construction performance, stable, non-toxic and non-radioactive pollution characteristics.
工程实践表明，其具有导热系数小，绝热性优良、施工性能稳定、无毒无放射性污染等特点。
Tenth year-end bonus coefficient is set to [0, 2], such as individual company performance is outstanding, can be greater than 2.
第十条年终奖金系数一般设定为[0，2]，如个别公司经营效绩突出，也可以大于2。
As the key parameter in heat transfer analysis of double skin facade system, the convective heat transfer coefficient is very important in considering energy-efficient and economical performance.
该对流换热系数作为双层换气幕墙传热分析的一个关键参数，对考察双层幕墙热工性能、经济性能有着重要作用。
Experimental results show that shot boundary detection methods, based on the shot boundary coefficient model, can improve the performance of shot boundary detection.
实验结果表明，基于镜头边界系数模型的镜头边界检测方法能明显改善镜头边界检测结果。
The cavity pull effect, microwave power shift, light shift and temperature coefficient which mostly influence the performance of RAFS are studied.
研究了腔牵引效应、微波功率频移、光频移和缓冲气体温度系数对铷频标输出频率的影响。
The results show that the parallel-flow cycle yields the highest coefficient of performance among the cycles while the maximum pressure and temperature in the reverse-flow cycle are lowest.
结果显示在不同的循环方式中，平行流系统产生最大的热力系数而逆串联系统的最高发生温度和压力比其他系统都低。
The smaller the synthetic power coefficient is, the better overall performance of propulsion system will be.
综合功率系数愈小，推进系统的整体性能愈好。
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