查询词典 heat exchange

A series of heat and mass exchange equations are established to study the cooling performance of cooling towers.

为了研究冷却塔的冷却特性，首先根据热湿交换的理论建立了热湿交换的相关方程，并据此计算了在不同条件下在逆流式冷却塔内单个下落的水滴与周围空气所进行的热湿交换的效果，并对计算结果逐项进行了分析。

FTU generally adopts a high-performance single-chip as CPU, with functions of isolated photoelectric switch of input and exchange of sampling; functions of equirements of Distr time setting , mation for Communica fixed value and calling the distance; functions of fault detection and reporting; functions of anti-environment (heat, cold, lightning, rain, dust, etc.).

mation for Communica FTU 一般采用高性能单片机作为 CPU mation for Communica ，具有带光电隔离的开关量输入和交流采样功能，具有对时功能和定值远方下装和召唤功能；具有故障检测和上报功能；具有抗恶劣环境（高温、严寒、防雷、防雨、防尘等）功能。

On the other hand, too much evaporation or excessive air exchange at low temperatures results in a considerable loss of heat.

在另一方面，太多的蒸发量或过量空气交换在低温下的结果在相当大的损失热。

The surface temperatures are determined by the exchange of heat radiation between the sun and the earth.

地表温度决定于太阳和地球之间的热辐射交换。

The procedure of generate electric in Proton Exchange Membrane Fuel Cell is need to heat and to humidify the fuel so that the testing machine is contained gas flow control and humidification devices. The system is too huge to use for a portable device.

摘要 质子交换膜燃料电池发电过程需要对燃料加温和增湿，因此测试系统包含了气体流量控制器及增湿装置，系统体积庞大无法应用在可携式行动装置上。

Sensible and latent heat fluxes exchange between surface and atmosphere is a hot topic in eco-environmental research recent years.

地气间热通量是近年来生态环境研究的热点。

The low voltage breaker is composed of electric conducted system,extinguish-arc room, heat tripper and electric magnetism wink-moved mechanism.The functions of move mechanism directly impact the reliability of breaker's move. This topic is imported by using the exchange module of multibody dynamics simulation software automatic dynamic analysis of mechanical system,and then its movement was simulated by applying ADAMS,with the design and the optimization of DW16 Low-voltage breaker's ususal mechanical movement.

摘 要：低压断路器由导电系统、灭弧室、热脱扣器和电磁式瞬动机构组成，其中操动机构的性能直接关系断路器动作的可靠性，本课题利用Pro/E对操动机构进行三维实体造型，然后将利用多体动力学仿真软件ADAMS进行仿真，完成对DW16型低压断路器的常用操动机构的设计和优化。

The main physical processes in the East China Sea include the Kuroshio and water flux of the Taiwan strait and Tsushima strait, the thermohaline structure and its seasonal variation by exchange of heat and water on sea surface and mixing of tide, as well as the tide and tidal current, and circulation and its seasonal variation.

黑潮及其台湾海峡、对马海峡的水体输送；通过海面热和水气交换以及潮流混合作用下的海水温、盐分布与结构的四季演替过程；潮流潮汐过程；环流的季节性变化等。

The cyclonic stress on the sea surface and the strong mixing processes forced by the typhoon play an important role in the processes of the heat, energy and mass exchange between the upper ocean and the deep ocean. Therefore, the study of the ocean response to the typhoon is an important scientific issue.

台风产生的海面气旋式风应力以及强烈的混合过程，对上层海洋与深层海水之间的热量、能量和物质交换产生重大影响，因此研究海洋对于台风过程的响应特征具有重要的科学意义。

In addition,the effects of louver angle and the exchange zone length on the pressure drop and the heat transfer coefficient are studied for louvered fin optimization design.The results show that the louvered angle has distinct effect on th...

在深入揭示百叶窗翅片流动机理的基础上，进一步比较了百叶窗翅片开窗角度La和换向区长度S对其传热和流动阻力的影响，分析结果为百叶窗翅片的模具制作及其优化设计提供了依据。

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。

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。