查询词典 evaporation

Have been investigated by changing temperature of PVDF resolution, types of solvent, molecular weight of PVDF, weight of additive, time of solvent pre-evaporation and so on.

在完成膜蒸馏通量测试装置的基础之上，本课题对PVDF复合膜的脱盐性能进行了研究，考察了料液温度，料液盐浓度，料液流量，操作压力，操作时间，气隙距离，支撑体种类，料液中离子种类对蒸馏通量，除盐率及蒸发效率的影响规律。

It's result that the parameters for good performance should be as follow:17% the concentration of PS,5% the concentration of PVP,20S for pre-evaporation time and 4% DMAC contration in the coagulation bath.

此次实验结论是在聚砜含量17%，PVP含量5%，预蒸发时间20S和凝固浴浓度4%的条件下，制备出的聚砜平板膜的性能良好、表面具有较高孔隙率。

The effects of some important factors on structure, pore size, porosity, flux, weight of vapor transfer, etc. have been investigated by changing temperature of PVDF resolution, types of solvent, molecular weight of PVDF, weight of additive, time of solvent pre-evaporation and so on. The optimal process of making membrane and recipe of solution were made out.

然后通过改变PVDF溶解温度，铸膜液的溶剂，PVDF的分子量，PVDF用量，添加剂氯化锂用量，涂膜时预挥发时间，凝固浴温度以及凝固浴中无机盐氯化钠、溶剂丙酮等影响因素，考察这些因素对膜形态结构及孔径，孔隙率，水通量，透湿量等性能的影响规律，初步确定了铸膜液配方及涂膜工艺条件。

C or less of saturated compressed air into the dryer of the pre-cooling device, in the pre-cooling device in heat exchange with the ambient air, high temperature air pre-cooling fan part of the heat is taken away, after pre-cooling the compressed air into the to the pre-evaporator refrigeration system with secondary refrigerant vapor heat exchange, allowing the temperature dropped close to the refrigerant evaporation temperature, and flows through the pre-filter to remove large amount of liquid water, oil mist and dust.

小于等于80°C的饱和压缩空气进入干燥机的预冷器，在预冷器中与环境空气进行热交换，高温压缩空气的一部分热量被预冷风机带走，预冷后的压缩空气进入到制冷系统的前置蒸发器，与冷媒蒸气进行二次热交换，使本身温度降到接近于冷媒的蒸发温度，并流经前置过滤器除去大量的液态水，油雾和尘埃。

In the model, the total heat transfer coefficient, evaporation temperature and pressure loss of evaporator are measured, the pressure head of fan is from instruction book, the physical property parameters of shelves and insulated layers are assigned by themselves, the air of display case is still simulated by traditional K-ε model.

其中，蒸发器的总换热系数、蒸发温度和压力损失按实测处理；风机的压头按样本确定；搁架和保温层的物性参数按实际数值赋值；拒内空气部分仍按传统的K-ε模型模拟。

Evaporation quantum of liquid is expressed as mass source for vapor in vapor mass conservation equation, while it is dealt with mass sink for itself.

在建立多孔介质各相质量守恒方程时，液体蒸发量相对于蒸汽相而言为质量源，对液相本身而言为质量汇。

Used for determine the oil content of wool or synthetic samples etc.by solvent percolation and evaporation.

产品介绍：用于各种纤维所含油脂的快速提取，以测定油脂含量。

The radiator cap serves not only to prevent the colant from splashing out the filler opening,but also to prevent evaporation of the coolant.

幅射器盖帽不仅用于得防止colant 飞溅在补白开头之外，而且防止蓄冷剂的蒸发。

There are two vacuum plating methods. One is CVD. The other is PVD. PVD includes evaporation plating (arc, electronic gun and resistance wire) and sputtering plating (DC magnetron Mid-frequency and RF).

真空镀膜技术中经常使用的方法主要有：蒸发镀膜（包括电弧蒸发、电子枪蒸发、电阻丝蒸发等技术）、溅射镀膜（包括直流磁控溅射、中频磁控溅射、射频溅射等技术），这些方法统称物理气相沉积，简称为PVD。

The evaporation source is constructed by electroplating metal,such as cobalt,nickel or chromium,onto a Tungsten wire bent into a U-shape.

该蒸发源是将过渡金属Co，Ni或Cr电镀到一个由W丝弯成的U形加热器上构成的。

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％。