液膜溫降 的英文怎麼說
中文拼音 [yèmówēnjiàng]
液膜溫降
英文
fluid-film drop-
The photocatalytic activity of the samples was evaluated by the photocatalytic oxidation of nitrogen monoxide in the gaseous phase and the photocatalytic decolorization of methyl orange solution in the aqueous phase, respectively. the titania thin films on fused quartz were prepared by lpd method and then calcined at different temperatures
用液相沉積法在石英玻璃上制備了二氧化鈦薄膜,並在不同的溫度下進行熱處理,用甲基橙水溶液的降解脫色評價二氧化鈦薄膜的光催化活性。Taking the lest total internal losing exergy for target function, the distribute of difference in temperature among the three - effect is also acquired. an experimental device for three - effect falling - film evaporation was designed and constructed. the experiments of potassium carbonate solution was finished under different temperature of vapor and different input material liquid volume
建立了三效降膜蒸發的實驗裝置,以碳酸鉀溶液為原料進行了不同加熱蒸汽溫度、不同進料量的實驗研究,得到了實驗設備的(火用)損分佈,並研究了各部分損失的(火用)及有效利用的(火用)值與加熱生蒸汽溫度與進料量的關系。Using diethanolamine as aminating agent and glacial acetic acid as neutralizing agent, aminated epoxy acrylic cationic resin was prepared. the effect of technology of aminated epoxy acrylic resin on properties of eletrodeposition was studied by conductivity meter and electrophoresis apparatus. it was shown that, conductivity firstly decreased, and then increased with aminating temperature increase. in contrast with putting polyacrylic resin into thin acetic acid solution, the more compact film could be achieved by neutralizing polyacylic resin with glacial acetic acid and then add it into water. when neutralizing temperature was enhanced, the speed of electrodepsidon was found to increase, and the film was also more compact. increasing the dn leads to enhanced conductivity and smaller particle size. when dn equaled to 80, the smoothest film could be achieved
以二乙醇胺為胺化劑、冰醋酸為中和劑,合成了胺化環氧丙烯酸陽離子樹脂.採用電泳儀和電導率儀,研究了胺化環氧丙烯酸樹脂合成工藝對陰極電泳塗料電沉積性的影響.結果表明,隨著胺化溫度的增加,電泳液電導率先下降後上升.將冰醋酸加入樹脂中中和,後用水稀釋,比樹脂在醋酸稀溶液中中和,電沉積性能更好.電沉積速率隨著中和溫度的上升而增加,電沉積膜緻密性相應增加.中和度( dn )愈高,電泳液電導率愈大,粒徑越小,而塗膜外觀在中和度為80時達到最佳As the temperature increases, the water flux first decreases evidently, then increases slightly and the clearance rates of low - molecular weight substances first increase, then decrease shaply
隨著鑄膜液溫度的上升,水通量先是明顯下降,然後略有上升。膜對低分子物質的去除率先是增加,然後急劇下降。The enthalpy change on dsc curve suggests that the transition is one from low - ordered state to a higher - ordered state. a stacking mood that the 4 - trifluoro - methyl - 2, 3, 5, 6 - tetrafluorophenylmserts in between two perylene - macrocycles is confirmed by theoretical quantum calculation, such an insertion effect leads to the inversion of ( 0, 0 ) and ( 0, 1 ) absorption features under low temperature and the dramatic decrease of exciton coupling, which contributes to the spectral similarity in solution and the solid state
量子化學的計算結果支持氟取代的苯環嵌入兩個相鄰的?環之間的分子堆砌方式,使得在常溫到150左右f - ptcdi固體薄膜的紫外-可見吸收光譜的( 0 , 0 )和( 0 , 1 )性狀的強度對比發生「反轉」 ;氟取代苯環的嵌入大大降低激子耦合,使固體吸收光譜性狀與溶液類似。Various attempts have been made to study the effect of electrochemical polymerization processes including temperature, electrolyte composition and the deposited location on the strength and brittle - tough properties. by the mechanical measurement and testing, we found, compared with the mixed electrolyte composition of isopropyl alcohol ( ipa ) + 5 % boron trifluoride diethyl etherate ( bfee ) + 5 % polyethylene glycol ( peg ), the better mechanical properties of conducting ppy films were given by the mixed electrolyte compositon of ipa + 5 % bfee + 5 % deg
結果發現,當添加劑peg的濃度不變時,改變bfee的濃度可以改變薄膜材料的性能,其中以30的bfee濃度為最佳;當固定電解液中bfee濃度不變時,改變添加劑的濃度對制備的薄膜性能參數影響不明顯,但以peg100為臨界;降低溫度,可以使薄膜生長減緩,有利於得到性能更好的薄膜。With a decreasing cellulose concentration of casting solution or an increasing temperature of coagulation bath, the mean pore ssze becomes larger, resulting in higher pure water flux and lower rejection of bsa
隨著鑄膜液濃度的降低或凝固浴(純水)溫度的升高,膜的水通量有較大的提高,但截留率會明顯下降。It was founded that the flux increases as the feed temperature, concentration and flow rate increase, and increases as the downstream pressure decreases. the separation factor increases as the feed flow rate and downstream pressure increase, and decreases as the feed temperature increases
由試驗結果表明,溫度升高,增大料液濃度,降低冷側壓力,以及增加料液流速,膜蒸餾通量增大;同時流速提高,溫度降低,以及增大冷側壓力,分離因子增大。The common method used by domestic and foreign scientists is removing the cobalt from the surface of the substrate by etching substrate using thin acid solution at room temperature. but the internal co will still overflow during mpcvd
為降低成核及成膜過程中鈷的副作用,國內外通常採用的方法是將硬質合金基體在室溫下用稀酸溶液浸泡一定時間,從而除去基體表面的鈷。10 with arc sources cooling system, it can not only absorb the heat of the arc sources but also can filter out some large liquid and raise the quality of the plating
10帶有弧源降溫系統不但可以降低弧源蒸發過程中生成的熱量,而且可以過濾部分大顆粒的液滴,使鍍膜質量進一步提高。Exerting the model of two mechanism heat transfer, the formulation for heat transfer coefficient of liquid film which in smooth tube and equipped with spring inserts is given in this paper. heat transfer coefficient is presented which not only has relation to reynolds number, temperature difference, liquid characteristic, but also is greatly influenced by structure parameter of the spring inserts. experiments indicate the heat transfer coefficient of tubes equipped with spring inserts is 25 % higher than smooth tube
實驗表明,傳熱系數和液膜雷諾數、傳熱溫差、料液物性參數利彈簧插入物的結構參數有關,實驗條件下,安裝有彈簧插入物的豎管降膜蒸發液膜側的傳熱系數比光管的傳熱系數可高達25左右,但某些結構參數的彈簧插入物會造成傳熱的惡化。The influence of difference in temperature, reynolds number of film and prandtl number to the heat transfer performance on the evaporation side was discussed via the uniform wall temperature experiments. by analyzing above influence factors, the character of umbrella - plate evaporator which is fit for evaporation under little difference in temperature and fit for evaporating heat sensitivity materiel could be obtained
通過恆壁溫實驗探討了傳熱溫差、液膜雷諾數、普朗特數這些主要因素對傘板式降膜蒸發器傳熱性能的影響,通過對以上影響因素的分析,得出了此種結構的蒸發器特別適用於小溫差情況下的蒸發,而且特別適用於熱敏性物料的蒸發等特性。By using atomic force microscopy ( afm ) investigation on the membrane surface, different separation properties can be explained very well according to the data of pore size. increasing temperature or nmmo concentration of coagulation bath or decreasing concentration of casting solution leads to larger skin pore size, wider pore size distribution and higher values of the roughness parameters
用原子力顯微鏡( afm )對膜表面形態的分析表明:膜表面孔徑隨著鑄膜液濃度的降低、凝固浴溫度和濃度的升高而逐漸變大,且孔徑分佈變寬。And then the method to reduce the optics loss was discussed too in this paper. the research indicated that the crystallized phase and degree of orientation were dependent on annealing temperature
研究了各生長條件如退火溫度、前驅溶液、襯底類型、緩沖層( ksbn 、 mgo )等參數對sbn薄膜性能的影響以及降低光學損耗的措施等。It was found that the decompose efficiency to solution associated with the number of films layer ; calcine temperature and ph value. some analyses have been performed. tio _ 2 films were also synthesized by reactive sputtering and chemical vapor deposition
通過溶膠凝膠法制備了tio _ 2薄膜對其進行光催化反應實驗,發現膜層厚度、薄膜煅燒溫度和溶液ph值對降解效率都有直接的影響,並對結果進行分析。With an increase of nmmo concentration of coagulation bath or concentration of casting solution, the crystallinity of membrane increases. however, an increase of temperature of coagulation bath is accompanied by a decrease of crystallinity of membrane
膜的結晶度隨鑄膜液濃度、凝固浴濃度、刮膜速度的增加而增大,隨凝固浴溫度的升高而降低。分享友人