The invention relates to a method for preparing negative temperature coefficient heat-variable powder body-the method of hydro-thermal chemical reaction.
本发明涉及一种负温度系数热敏粉体的制备方法――水热化学反应的方法。
The heat-variable negative recording imaging element coating and dried surface layer have the excellent hydrophilicity, but the water or fountain solution cannot remove it from the plate base.
该热敏阴图记录成像元件涂布和干燥后表面层具有极好的亲水性，但是水或润版液都不能将它从版基上除去。
The sun, is also variable over a long term: its heat output goes up and down in cycles, the latest trend being downward.
太阳在长期内也是变化的：它的热量输出在周期中有上升，也有下降，最近的趋势是下降。
Applying the correction coefficient of heat load, the formula on supply and return water temperature in variable temperature control with varied flow is corrected.
应用热负荷修正系数，对变流量质调节供回水温度公式进行了修正。
A new experimental procedure is proposed based on instrumental variable method for analyzing wall surface heat transfer process and deducing wall surface heat transfer coefficient.
首次提出了用辅助变量法分析建筑墙体外表面换热过程及推导墙体外表面换热系数的实验方法。
Results show that the heat radiation level in cylinder is variable under different operation condition.
研究表明，在不同的运转工况下，发动机缸内的辐射热量是变化的。
The effect of variable properties on natural convection heat transfer in horizontal concentric circular annulus was studied.
研究了变物性对水平同心套管夹层中自然对流换热的影响。
The simulative variable load food test chamber is designed according to the constant change of heat load in the process of food refrigeration.
针对食品冷冻冷藏过程中货物热负荷不断发生变化的情况，设计了模拟变负荷食品试验箱。
Specific heat has little influence on the temperature field which may be the reason why specific heat is not regarded as a variable in many sophisticated injection modeling CAE programs;
比热容对温度场的影响不是太大，这是一些比较成熟的注射成型CAE软件没有把比热容看成是变量的原因。
At present, in order to analyse the temperature and smoke in the tunnel fire, we use numerical simulation to calculate the variable, which are all based on the fire heat release rate (HRR).
目前，运用火灾模拟程序进行定量计算，分析失火隧道内的温度、烟气生成量等参数时，都是以火灾热释放率(HRR)为基础的。
The power consumption of variable speed heat pump loop and fixed speed heat pump loop are compared through calculation, on the basis that the spacecraft has the same heat load.
在保证航天器废热排放量的基础上，通过计算对比分析了固定转速热泵回路热控系统和变速热泵回路热控系统的耗电量，结果证明后者比前者节能20%左右。
The chillers adopt large temperature difference and variable flow, the heat pumps adopt large temperature difference and fixed flow and part heat recovery.
该系统采用了大温差变流量冷水机组、大温差定流量带部分热回收土壤源热泵机组与锅炉的组合；
The heat transfer coefficient is a perfect object variable to optimize.
在工艺参数优化时，换热系数是一个理想的目标变量。
The experiment has studied the heat transfer characteristic inside U shaped variable cross-section channels with different rib pitches, The channel is the middle part of a gas turbine blade.
本实验选取航空发动机涡轮叶片中段内部冷却通道为研究对象，对不同肋间距的横肋变截面U型通道的换热特性进行了研究。
The results suggest that the effects of buoyancy force, variable physical properties of the fluid, and duct geometric characteristic on flow and heat transfer can be very significant.
研究表明，流体剧烈变化的热物性、浮升力以及三角管的几何特征对管内流动换热的影响非常明显。
In the heat-supply system with distributed variable frequency pump, there exists a zero pressure difference, at which supply and return water pressures are equal.
分布式变频泵供热系统中存在零压差点，该点供回水压力相等。
The configuration and variable frequency adjusting speed of water circulation pump in city heat-supply system are introduced, and the effects of energy saving are analyzed.
对城市供热系统中循环水泵的配置及变频调速进行了介绍，分析了其节能效果。
The control system for heat-recovery process from circulating cooling of sintering machine is introduced. In this system small- sized DCS, PLC and variable frequency speed adjuster are composed.
介绍在烧结机环冷余热回收工艺中应用小型DCS、PLC与变频调速器所构成的控制系统。
The regulation mode of variable flow heat-supply system where the plate heat exchanger is used as heat exchange device in substation is discussed.
探讨了采用板式换热器作为热力站换热设备的变流量供热系统的调节方式。
The variable volume and pressure compensated design simplifies circuit design, and reduces heat buildup and noise.
采用多流量、压力补偿设计简化了电路设计，降低了热堆积和噪音。
This paper presents a numerical prediction of natural convection heat-transfer from inclined channels formed by slates of shutter with variable fluid-property in refrigerating engineering.
本文对百叶窗式叶片形成的倾斜通道，在制冷工程范围内变物性条件下，自然对流换热进行了数值预测。
Using the variable transformation method, the formulae of the axial symmetrical wall temperature distribution during steady heat conduction of a hollow cylinder are derived in this paper.
采用坐标变换法导出了圆筒空间轴对称问题稳态热传导温度分布的关系式。
The heat transfer performance of plate fin and staggered heat sink is comprehensively analyzed by the use of quality factor "F" which is a non-dimensional variable.
本文引用无量纲品质因数F，分别对平板和叉排散热器的换热性能进行了综合分析。
A two-stage compression variable frequency air source heat pump (TV-ASHP) has been developed combining variable frequency technology with two-stage compression cycle.
将双级压缩和变频技术有机结合，提出一种适用于寒冷地区双级压缩变频空气源热泵系统。
A two-stage compression variable frequency air source heat pump (TV-ASHP) has been developed combining variable frequency technology with two-stage compression cycle.
将双级压缩和变频技术有机结合，提出一种适用于寒冷地区双级压缩变频空气源热泵系统。
应用推荐