The interface behavior between essence and ethylene - vinyl acetate copolymer pallets was studied so that necessary data were obtained to guide the preparation of fragrant masterbatch. the adsorption type and wettability between essence and the copolymer pallets were analysed by measurements of fourier transform infrared spectrum, surface tension, contact angle and specific surface area. the technical factors affecting absorptivity such as the charge ratio, temperature, pressure and stirring speed were studied by series of adsorption experiments. the results showed that the adsorption of essence on the surface of ethylene - vinyl acetate copolymer pallets is physical in nature. essence couldn ' t moisten the surface of ethylene - vinyl acetate copolymer pallets absolutely, but it could be soaked into the surface of the pallets partly. adsorptivity could be increased by enhancing the temperature, pressure and stirring speed, but the extension of adsorption time had little influence on adsorptivity
研究了香精與乙烯/醋酸乙烯共聚物粒子之間的界面行為,以便為香型母粒的制備提供必要的理論依據.利用傅立葉變換紅外光譜、表面張力、接觸角及比表面面積等測定手段,分析了香精與載體之間的吸附類型和潤
濕作用.並通過一系列吸附實驗,討論了配料比、溫度、壓力、攪
拌等工藝條件對吸附量的影響.結果表明,香精在乙烯/醋酸乙烯共聚物粒子表面的吸附為物理吸附;香精無法完全潤
濕載體粒子表面,但可以對其形成部分浸潤;提高溫度、壓力、攪
拌速度可以增加吸附量,而延長吸附時間對增加吸附量貢獻不大
Abstract : the interface behavior between essence and ethylene - vinyl acetate copolymer pallets was studied so that necessary data were obtained to guide the preparation of fragrant masterbatch. the adsorption type and wettability between essence and the copolymer pallets were analysed by measurements of fourier transform infrared spectrum, surface tension, contact angle and specific surface area. the technical factors affecting absorptivity such as the charge ratio, temperature, pressure and stirring speed were studied by series of adsorption experiments. the results showed that the adsorption of essence on the surface of ethylene - vinyl acetate copolymer pallets is physical in nature. essence couldn ' t moisten the surface of ethylene - vinyl acetate copolymer pallets absolutely, but it could be soaked into the surface of the pallets partly. adsorptivity could be increased by enhancing the temperature, pressure and stirring speed, but the extension of adsorption time had little influence on adsorptivity
文摘:研究了香精與乙烯/醋酸乙烯共聚物粒子之間的界面行為,以便為香型母粒的制備提供必要的理論依據.利用傅立葉變換紅外光譜、表面張力、接觸角及比表面面積等測定手段,分析了香精與載體之間的吸附類型和潤
濕作用.並通過一系列吸附實驗,討論了配料比、溫度、壓力、攪
拌等工藝條件對吸附量的影響.結果表明,香精在乙烯/醋酸乙烯共聚物粒子表面的吸附為物理吸附;香精無法完全潤
濕載體粒子表面,但可以對其形成部分浸潤;提高溫度、壓力、攪
拌速度可以增加吸附量,而延長吸附時間對增加吸附量貢獻不大
Application of deep mixing cement pile in collapsible loess subgrade
深層攪
拌水泥樁在
濕陷性黃土地基中的應用
Standard specification for mixing rooms, moist cabinets, moist rooms, and water storage tanks used in the testing of hydraulic cements and concretes
水硬水泥和混凝土試驗用攪
拌室
濕氣箱
濕氣室和水貯存罐標準規范
It strengthens the process of heat exchange. at the bottom of drier, the large and damp granule is crushed under the action of stirrer and the granule that is small in particle and contain less moisture will lift accompanied with revolving air stream
在乾燥機底部,較大較
濕的顆粒團在攪
拌器的作用下被機械破碎,
濕含量較低顆粒度較小的顆粒被旋轉氣流夾帶上升,在上升過程中進一步乾燥。
Add egg, basil, salt and pepper and mix well. dampen hands and form meat mixture into a palm - sized patty
加入雞蛋,羅勒碎,鹽和胡椒粉攪
拌均勻。手弄
濕后,將肉糜揉成巴掌大團子。
The dried material is put into the middle of shell, mixing by the rake teeth and the material shaft works back and forth. the indirect heating, equal agitation of rake teeth and grinding of breaking stick makes water in material evaporation. under the effect of vacuum system, the water in the dried material and apparent water are discharged and the vapor water is discharged from outlet of vacuum pump passing dry dust collector, wet dust collector and condenser
被乾燥物料從殼體上方正中間加入,在不斷正反轉動的耙的攪
拌下,物料軸向來回走動,與殼體內壁接觸的表面不斷更新,受到蒸汽的間接加熱,耙的均勻攪
拌,粉碎棒的粉碎,使物料內的水份氣化,在真空系統的作用下,使被乾燥物料內部水份和表面水份更有利的排出,氣化的水份經乾式除塵器
濕式除塵器冷凝器,從真空泵出口處放空。
" modern politics today requires a mastery of television. i ' ve never really warmed up to television and, in fairness to television, it ' s never warmed up to me.
政治形象正如攪
拌水泥。它
濕的時候,你可以隨意擺布和揉捏它,但到一定的時候它固化了,便再也沒有辦法來重塑它了。
2 resin with bad wetness systems, and non - thixotrpic grind materials. operate as following process : add the paint material and the solvent - add surface active agent if adopt - add the pigment stir, make it disperse or grind to the needed granularity
2對于非觸變性研磨性磨料,潤
濕性差的樹脂體系操作如下:加油漆和溶劑混合加入表面活化劑如果採用加入顏料攪
拌分散或研磨分散到所需細度加預凝膠攪
拌分散至所需細度稀釋至所需粘度。
1 resin with bad wetness systems such as epoxy resin, polyester, alkyd, acrylic resin, use compound with the surface active agent, and the thixotropic grind materials can be acceptable. operate as following process : add paint material all kind of resin and the solvent - add the organic bentonite pre - gel, stir enough - add the pigment, stir and disperse enough - dilute
1潤
濕性比較差的環氧,聚酯,短油酸樹脂,丙烯酸樹脂等與表面活化劑合用,且觸變性研磨料科被接受的情況下,按照以下步驟操作:加油漆和溶劑混合加入有機預凝膠充分攪
拌分散加入顏料充分攪
拌分散稀釋。
Wet concrete mix
混凝土濕拌