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The liquid that leaves the bottom plate of the column enters the reboiler, where it is partially vaporize d

离开塔底板的液体流入再蒸器,并在其中部分地被蒸发。

The liquid that leaves the bottom plate of the column enters the reboiler, where it is partially vaporized

离开塔底板的液体流入再蒸器,并在其中部分地被蒸发。

To 700?. There are several advantages of this new system, including good crimp property, wide coating amplitude, fast coating speed, small straight deviation, firm and even coating. Thus, a newly reelable vacuum aluminium coating system was developed for the deep processing of agricultural and food products.

并具有卷取性能好、镀膜幅度宽、镀膜速度快、跑偏量小、镀膜层牢固、均匀等特点,为食品和农产品深加工提供了一种新型的卷绕蒸发式高真空镀膜机。

Fire-fighting foam is an aggregate of air-filled bubbles formed from aqueous solutions and has a lower density than that of flammable liquids. It is principally used to form a cohesive floating blanket over flammable and combustible liquids and prevents or extinguishes fire by excluding the air and cooling the fuel. It also prevents from reignition by suppressing formation of flammable vapors. Therefore, Fire-fighting foam can be used as a fire prevention, control, or exposure protection for flammable liquid fire hazards.

消防泡沫是一种填充空气的泡沫水溶液集合体,其密度比易燃性液体低,并可粘著、覆盖於易燃性与可燃性液体表面而达到隔离空气、冷却燃料及防止燃料持续蒸发引燃等功用,所以消防泡沫常使用在易燃性危险液体之预防火灾、制压火势及防阻延烧上。

Make up 40% sugar juice now, using sugar volume and raw material to compare is 1: 0.7, 0.2% citric acid are added in sugar juice, because watermelon skin organization is harder, can appear candy law to heat with boil make, cast the watermelon skin that cent has cut into to boil make, it is OK to begin big a crucial moment heats, make its fast evaporate moisture, boil raw material to become transparent all the time, when sugar juice concentrates ceaselessly and showing syrup, should be to use small fire to undertake heating, lest produce anxious saccharify to make product darkly Brown, determine sugar juice chroma is achieved 70% when should stop to heat.

现配制40%糖液,用糖量与原料比是1:0.7,在糖液中加入0.2%柠檬酸,因西瓜皮组织比较坚硬,可用一次透糖法加热煮制,把分切好的西瓜皮投进一起煮制,开始可以大火候加热,让其快速蒸发水分,一直煮到原料变得透明,糖液不断浓缩而呈糖浆时,应是用小火进行加热,以免产生焦糖化使产品呈黑褐色,测定糖液浓度达到70%时就应停止加热。

The sol gel materials are prepared through the hydrolysis and polycondensation of tetramethoxy silicane.

溶胶 凝胶技术是将金属醇盐等原料配制成均质溶液,在饱和条件下经水解缩聚等化学反应,生成物聚集成溶胶,再经蒸发、干燥转变为凝胶,这是一项在低温下制备纳米粉末或多孔玻璃的技术[1] 。

Namely, with respect to Changxing Formation in the region of interest, the most favorable facies belt is reef-shoal dolomite facies, the more favorable facies belt is restricted platform facies-platform evaporate facies; the most favorable microfacies belt is subordinate organisms and sparry grain dolomite microfacies, the more favorable microfacies belt is non-lamina dolomite mudstone microfacies.

因此长兴组最有利储集相带是礁滩云岩相带,较有利相带是局限台地-台地蒸发岩相带;最有利微相类型是生物粘结云岩微相和亮晶颗粒云岩微相,较有利的微相类型是非纹层纯云泥岩微相。

A mathematical model ,with the heat of surface evaporation and respiration as interior heat resource,has been established to calculate the precooling time of spheral fruit by pressure-difference method.

通过将表面蒸发、呼吸热作为内热源加入到传热数学模型中,对单体球形果蔬压差预冷过程建立数学模型,并且简化边界条件,提出一种计算预冷所需时间的简便方法。

Stomata : mainly at lower epidermis, for gases exchange and water loss by transpiration.

气孔 :主要在叶底表皮,用作气体交换和水分的蒸发。

In the first stage (230—300℃) the sulphatization of oxides on the one hand and the prevention of acid evaporation loss on the other should be both satisfied.

第一阶段(250—300℃)应滿足使氧化物硫酸化和阻止硫酸蒸汽蒸发逸散損失的双重要求。

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This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。

There is no differences of cell proliferation vitality between labeled and unlabeled NSCs.

双标记神经干细胞的增殖、分化活力与未标记神经干细胞相比无改变。