查询词典 temperature coefficient

In this thesis, the principle that the charge technique of coated nitramine and energy increased propellant with low temperature sensitivity improves the muzzle velocity and decreases ballistic temperature coefficient is studied.

本文研究了低温感硝胺及增能发射药装药技术提高火炮初速和降低弹道温度系数的原理及其对膛压和初速变化规律的影响，阐述了提高低温感。。。

Therefore, the author established the experimental data of psychrometric coefficient A related to temperature and wind velocity in temperature and humidity control room.

为此，在温度、湿度控制室内，获得了干湿球系数与风速、环境温度相关的试验数据。

In existing intelligent psychrometric humidity sensors, the influencing factors have not been considered completely, and the functions have not been designed flexibly, thus on the basis of accurately determine the temperature measuring coefficient, wind speed and environmental temperature, the new design method of an intelligent psychrometric relative humidity sensor is proposed.

针对现有智能干湿球法测湿传感器影响因素考虑不够全面、功能设计不够灵活等问题，在精确界定测湿系数和风速、环境温度的基础上，提出了一种新的智能干湿球相对湿度传感器的设计方案。

It was found that the quenching diameter of porous media is a multi-parametric complicated function, related to the mixture flow speed, the premixed gaseous laminar flame velocity, the pipe flow Reynolds numbers, the coefficient of temperature conductivity, the equivalence ratio and the soUd temperature.

为缓解能源结构不合理造成的环境污染问题，我国加快了天然气的使用力度，发展高效、低污染排放的天然气燃烧技术具有非常重要的现实意义。

The glass and crystalline glass-solders of Li2O-ZnO-SiO2 system were prepared by conventional melt technology. The various factors effecting on glass ceramics and glass were investigated,which include glass chemical composition and heat-treatment and so on. And then by means of XRD, DTA, IR and SEM, the structure and properties of the glass and glass-ceramic were studied. The coefficient of linear expansion , transform temperature and soft temperature wer measured. And then the factors that effect the mechanical strength of glass-ceramic were discussed and the fluxion property was determined and the crystallization course and mechanism were discussed, which can provide certain therial reference value for practice producing and glass seals to glass, ceramics and metal.

用高温熔融法制备了Li_2O-ZnO-SiO_2系统玻璃及其结晶型玻璃焊料，探讨了各种因素(包括玻璃组成、热处理制度等)对微晶玻璃的结构和性能的影响；利用X射线衍射分析、DTA、红外光谱分析以及扫描电镜等现代测试手段，对玻璃的结构与性能进行研究，测定了玻璃及微晶玻璃的线膨胀系数、转变温度和软化温度，同时对影响微晶玻璃的强度的因素进行了探讨，并对该体系玻璃的流散性进行了测定，对它的析晶过程和析晶机理进行探讨，为实际生产和与玻璃、陶瓷及金属封接提供了一定的理论参考价值。

In this thesis, the phase diagram of Zn-Al binary system on 10~69.5 w% was reinvestigated by using differential scanning calorimeter, X-ray diffraction and pushrod dilatometer. The process of isothermal transformation during the aging of high-Aluminum-Zinc-based alloy was studied by using differential scanning calorimetry, and the aging behavior of the alloy was analyzed at the aspect of thermal analysis kinetics. The change of microstructure which the alloy was being heated was observed on high-temperature metallurgical microscope. The microstructure and wear-friction properties were compared among the alloys treated with several different heat treatment processes, and a model for heat treatment processes was proposed based on artificial neural network,so as to predict the relationship between friction coefficient and parameters of aging treatment such as aging temperature and time.

本文采用高温X射线衍射、示差扫描量热分析、热膨胀等方法重新测定含锌量范围为10％～69.5％的Zn-Al系二元相图，利用示差扫描量热分析法，研究高铝锌基合金时效等温转变过程，并从热分析动力学的角度分析高铝锌基合金合金时效行为；使用高温金相显微镜观察合金加热时的组织变化；比较几种不同热处理工艺对高铝锌基合金显微组织与耐磨性能的影响并利用人工神经网络建立高铝锌基合金热处理工艺模型，预测合金摩擦系数随时效温度及时间变化规律。

The control system includes the 8031 single chip microprocessor and Circuits of restituting position,circuits of exportation and importation, Circuits of translation code, transmission and induction system of temperature, the interface of coefficient, circuits of showing, stashing equipment and circuits of interface. The temperature is the controlled variable and a closed loop system is constructed.

该系统由8031单片机及其复位电路，晶振电路，总线收发电路，译码电路，温度传感器与系数接口，显示电路，存储器及接口电路组成控制器，以温度为被控制量的闭环控制系统，适用于大功率的电阻锅炉。

The result shows that the cooling capacity increases with increasing generator heat transfer. The coefficient of performance of the system increases when the quantity of the generator heat transfer is increased from 6 kW to 7 kW, however it decreases in the range of 7 kW-9 kW. When the fan frequency increases, the temperature of liquid ammonia leaving condenser decreases, while the cooling capacity and the COP of the system increases. When the flow rate and inlet temperature of water/glycol increases, the evaporator takes more heat away and the cooling capacity and COP of the system increases.

其结果可发现当发生器加热量增加，系统温度增加系统冷冻能力增加，但其COP於6 kW-7 kW 系统COP会有先增加，於7 kW-9 kW，系统COP会有下掉的趋势；在冷凝器方面，当风扇频率增加，冷凝器温度降低时，冷凝器出口冷媒随之降低，系统冷冻能力会有所提高，COP亦增加；在蒸发器方面，蒸发器卤水出口温度及卤水流量增加，可以使蒸发器带走更多的热量其系统冷冻能力及COP也就会相对增加。

The temperature influence of a diaphragm pressure gauge is relative to expansion coefficient of theseals working fluid, rigidity of the diaphragm, and temperature

隔膜式压力表其温度的影响量与密封液膨胀系数隔膜刚度及受压部位的温度有关。

A exergy analysis of an ammonia vapour compression refrigeration cycle in a cold store was presented under a constant state temperature,the physical properties of ammonia was simulated using linear method of fitting both under constant and change condensing temperature. Exergy destruction of the various components of the refrigeration system,exergetic efficiency and coefficient of the system were analysed and calculated. The results indicated that the exergy destruction in the evaporator is highest,followed by the compressor and condenser.

通过对一定环境温度条件下的高温冷库中的氨蒸汽压缩系统进行分析，利用线性拟合的方法对氨的物性进行模拟，并对定冷凝温度和变冷凝温度时，制冷系统的各部件的炯损失和系统的效率进行计算分析，得出在冷库氨蒸汽压缩系统中的蒸发器中的损失最大，压缩机和冷凝器次之的结果。

There had been a moment during the breakfast meeting, though, after the backslapping and the small talk and when all of us were seated, with Vice President Cheney eating his eggs Benedict impassively and Karl Rove at the far end of the table discreetly checking his BlackBerry, that I witnessed a different side of the man.

那次早餐会期间，在表示过关心和寒暄以后，我们所有人坐了下来，我注意观察了一下，副总统切尼面无表情地吃着班尼迪克蛋（Eggs benedict，源自美国，以英式松饼、火腿、水煮蛋以及荷兰酱组合而成），卡尔。罗夫在餐桌的远端谨慎地经常查看他的黑莓手机，我目睹了他所不为人知的一面。

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