空气温度

Rna - Rns, see "Partitioning of net radiation", for multiple plants the fraction of radiation to each plant is calculated in the radiation section, see "Partitioning of radiation between plants", es is the vapour pressure at saturation, ea is the actual vapour pressure,ρa is air density, cp is the specific heat of air at constant pressure, Lν is the latent heat of vaporisation,Δ is the slope of saturated vapour pressure versus temperature curve,γ is the psychrometer "constant", rs is an "effective" surface resistance and ra is the aerodynamic resistance.

潜在蒸腾量 Etp 根据Monteith(1965)给出的彭曼联合方程形式计算：式中： Rn 为对于蒸腾的有效净辐射量(也就是 Rna - Rns ，见&净辐射划分&-Partitioning of net radiation，对于多重植被，每一株植物的辐射比率的计算见辐射一节的&植物间的辐射划分&Partitioning of radiation between plants)； es 为饱和水气压；ea 为实际水气压；ρa 为空气密度； cp 为常压下的空气比热；Lν为汽化潜热；Δ为与温度曲线饱和水气压关系曲线斜率；γ为干湿球湿度计&常数&；rs 为&有效&表面阻力；ra 为气动阻力。

A heater is provided in the air distribution channel for heating convected air therein to a temperature of up to about 75 DEG C.

加热装置(25)设置于空气分布通道中，用于将其中对流的空气加热一直到大约75℃的温度，以提供循环于淋浴间中的热干空气流。

Elaboration has been made on the design concept, construction and characteristic of a thermal type gas massflowmeter, which has the advantage of being capable of testing air mass flow and automatically counterpoising the effect oftemperature and pressure variations on air flow, and features high testing accuracy .

介绍能够测定空气质量流量，且可自动补偿温度及压力变化对空气流量影响，测量精度高的热膜式气体质量流量计的原理、构造和性能。

It can be driven by low grade energies, such as waste heat and solar energy. In this work, a novel energy efficient air-conditioning system utilizing liquid desiccant is introduced, after the author sums up the previous researches. At first, fresh air from the atmosphere is dehumidified by direct contact with strong liquid desiccant in the dehumidifier; after being cooled by the evaporative cooling sub-system the process air is blown into the air-conditioning space.

在该系统中，环境空气作为新风进入除湿器与除湿溶液接触时被除去部分的水分；干燥的空气再通过蒸发冷却子系统处理，降低温度后送入空调房间达到对室内降温、调湿的目的；吸湿后的除湿溶液被喷入再生塔，在热源作用下再生，这样溶液就可以循环利用。

The influence of the inlet solution concentration, solution flow rate, inlet air flow rate and temperature, air humidity on the absorbed process were studied for different liquid desiccants (calcium chloride, lithium chloride and calcium chloride mixture), and the dehumidifying effects of various mixture ratios on lithium chloride and calcium chloride mixture were also analyzed. The results show that the CELD (Cost-Effective Liquid Desiccant, the mixture ratio is 1:1) is more economical than pure lithium chloride solution, while its dehumidifying performance is better than calcium chloride solution.

针对不同的实验工质：氯化钙溶液、不同混合比的氯化钙和氯化锂混合溶液，研究了除湿器入口溶液浓度、入口空气流量、溶液流量及空气入口温度、湿度变化对除湿器除湿量的影响；以及氯化钙和氯化锂的混合质量比分别为1：1.5、1：1、1.5：1时的除湿效果；实验结果表明：用氯化钙和氯化锂混合质量比为1：1时的除湿溶液代替氯化锂溶液能节省费用，同时也改善了用纯氯化钙浓溶液作除湿剂时的除湿性能。

Then the secondary electron emission yield of MgO film were measurement on the dynode structures. We successfully demonstrated that primary electron energy effect the curve of SEE yield according to previous study. We found that the magnitude of the secondary electron em....

驱动的原理是以集热板吸收太阳热能，透过热管快速传递热量的特性将收集到的热能快速而高效的传递到远端的散热鳍片，鳍片温度上升高后，以自然对流的方式驱动鳍片周遭的空气上升，进而使建筑物内的空气来递补，。。。。

According to the aforementioned features and basing a new the oretical framework of measurement on ice-thickness and beneath-ice-surface water levels by distinguishing the physical characteristics of air, ice and water, the paper analyzes the laws of the resistance and capacitance of ice with conductive impurity, mixture of ice and water, water and air change as temperature changes, draws conclusions such as ice as a weak conductor, monotonic feature of ice and water, and introduces the design of the structure of a new-type of ice-thickness sensor, its measurement method, and its application in practice.

基于这一特点，笔者提出了利用空气、冰与水的物理特性差异实现对冰层厚度及冰下水位接触式检测的新思路，对含有导电杂质的冰、冰－水混合物、水、空气的电阻、电容特性随温度的变化规律进行了初步分析，并得到冰的弱导电性质和冰与水的电容区间单调特性，据此提出了冰层厚度传感器结构及其冰厚检测原理，介绍了新型冰层厚度传感器在实践中的应用。

Both the desiccant brine (12) and air are heated in the air drier (17), and the hot brine when in the vacuum chamber (11) has a temperature above atmospheric, which provides a higher vapour pressure and its water is readily vaporised.

脱水剂盐水（12）及空气在空气干燥器（17）中加热，在真空室（11）中热盐水有高于大气的温度，其提供更高的蒸汽压，其水分容易蒸发。

The RDF produced in laboratory is used to study the gas-phase combustion specific properties after RDF particle is continuously fed to the pyrolyzer in which the RDF partially combusts in little amount of air and pyrolyzes partially at low temperature, then the pyrolysis product gas burns with secondary air at high temperature in the upper comlustor.

RDF颗粒连续加入到热解室中，实现了在少量空气作用下部分燃烧并在较低温度下部分热解，热解气体与二次空气在上部燃烧室中高温燃烧。

Model SRZ and SRL screw wing radiator manufactured by our factory is mainly used for heating air in the system of dry and is main drying equipment in hot air device. The conducted heat medium adapted in radiator may be steam or hot water or heat conducting oil.

我厂生产的SRZ和SRL型螺旋翅片式散热器，主要用于干燥系统中空气加热，是热风装置中的主要设备，散热器采用的热介质可以是蒸汽或热水，也可用导热油，蒸气的工作压力一般不超过0.8Mpa，热空气的温度在150℃以下。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。