vacuum concentration 中文意思是什麼

vacuum concentration 解釋
真空濃縮
  • vacuum : n (pl vacuums vac ua )1 真空;空處,空虛,空白。2 〈美口〉吸塵器(= vacuum cleaner)。vi vt 〈...
  • concentration : n. 1. 集中。2. 【化學】提濃,蒸濃,濃縮;濃度;稠密度;【礦物】汰選,選礦,富化。3. 集中注意,專心。
  1. Use of a rotary vacuum evaporator will expediate the concentration steps in the procedure.

    使用一座旋轉真空蒸發器將會加快操作手續的濃縮過程。
  2. Vacuum membrane distillation for concentration of motherwort extract

    益母草提取液真空膜蒸餾濃縮實驗研究
  3. The experiments results showed that when concentration of solid substance of the waste aqueous solution was condensated to 13 % ( w / v ) on vacuum, 95 % alcohol ( 1 : 1, v / v ) was added to the condensated solution to sedimentate polysaccharose, sedimentation was centrifugalized, repeated above treatment, and filtrate was collected and condensated on vacuum, then chlorogenic acid crystal of 76 % purity was obtained

    多次實驗結果表明,浸提液濃縮到固形物含量在13 %時,加入浸提濃縮液體積1倍量的95 %的乙醇沉澱並過濾掉多糖,反復處理兩次,濾液再經真空濃縮得到純度76 %左右的綠原酸。
  4. The result showed that non - enzymatic browning of greengage juice could be inhibited and natural primrose yellow could be kept in the plasming of greengage by adding 0. 2 % ( mass fraction ) sodium erythorbate ; non - enzymatic browning of greengage juice was restrained more remarkably by vacuum concentration than by normal pressure concentration ; the non - enzymatic browning of greengage juice increased and the color darkened with the increase of concentration and processing temperature ; non - enzymatic browning of greengage juice in the storage could be inhibited under the condition of low temperature, and frozen storage was the best store method of greengage concentrated juice

    摘要結果表明:在青梅果打漿時加入質量分數為0 . 2 %的異抗壞血酸鈉,可防止果汁氧化褐變而保持天然淡黃色澤;減壓濃縮較常壓濃縮明顯抑制了非酶褐變的發生;隨著果汁含量和加工溫度的提高,非酶褐變加快,色澤加深;低溫有利於青梅濃縮汁的貯藏,冷凍貯藏是最佳的貯藏條件。
  5. The method of concentrating the decoloration solution of tylosin is usually carried out by thin film vacuum concentration. in this experiment, the concentration process is modified by using the nanofiltration membrane technique which is free from corrosive due to the extractant solvent and in the same time, heating and decomposition of the antibiotic are eliminated, the concentration course ia also distinctly shortened. in this process the small molecule can be filtered by water, and the quality of the product such as, the tyramine content, the solubility of the product, improved significantly. in addition, the membrane filtration process could save consumption of steam and cooling water

    泰樂星提煉過程中原工藝脫色液用薄膜真空濃縮,本試驗改進為耐溶媒納濾膜濃縮,料液不需要加熱即可濃縮,防止了料液的高溫分解破壞,濃縮收率明顯提高在濃縮的同時,部分小分子雜質可以隨水分子一起通過納濾膜而除掉,成品質量明顯提高,解決了用原工藝成品酪胺、溶解度不合格的質量問題省去了原工藝濃縮中費用較高的蒸汽、冰鹽水,經濟效益可觀。
  6. With the software of simulating low - pressure vacuum carburizing process and computer control system, carburizing process parameters are controlled accurately. the minimum error of carburizing layer depth, the optimal distribution of carbon concentration in carburizing layer and the minimum distortion are insured

    均勻布置鼠籠狀加熱元件和多組滲碳氣氛噴嘴,並對滲碳參數進行精確控制,可保證零件最小的滲層深度誤差最佳的滲層碳濃度分佈。
  7. The radish red by the mustard family plant party loyalty radish after squeezing, filters, withdraws, the vacuum concentration, spray drying but, assumes the scarlet red indefinite powder, the easy absorption of moisture, after the absorption of moisture to form massive, but does not affect the use effect, the taste micro acid, is easy to dissolve in the water, does not dissolve in the absolute ethyl alcohol, serves as the food coloring, is suitable in the acidic drink, the luster bright, is transparent, general amount used 0. 02gkg

    蘿卜紅由十字花科植物紅心蘿卜經壓榨、過濾、提取、真空濃縮、噴霧乾燥而得,呈深紅色無定型粉末,易吸潮,吸潮后結成塊狀,但不影響使用效果,味微酸,易溶於水,不溶於無水乙醇,用作食用色素,適用於酸性飲料,色澤鮮艷、透明、一般用量0
  8. Alpine orchard to apple for the quality of raw materials, the introduction of britain, germany, italy and other advanced production equipment and technology, the high - pressure cleaning, squeezing, enzymatic hydrolysis, instantaneous heat disinfection, ultrafiltration clarification, vacuum concentration, aseptic filling process from contain human needs of the various vitamins, amino acids and zinc, iron, copper and other trace elements, and maintain the natural juice taste, nutritional value high

    產品簡介:以高山果園的優質蘋果為原料,引進英、德、意等先進生產設備和工藝,經高壓清洗、壓榨、酶解、瞬時高溫殺菌、超濾澄清、真空濃縮、無菌灌裝加工而成,蘊含人體需要的各種維生素、氨基酸及鋅、鐵、銅等微量元素,保持了果汁的天然口味,營養價值極高。
  9. The main products includes various steam and electric heating reaction vessel, conduction oil, outer coil reaction vessel, polyester and resin completed equipments, vacuum reducing concentration tank, methanol and ethanol recovery tower, various corrugated stuffing, high effective membrane evaporator, new - type centrifugal drag membrane evaporator, vacuum rake dryer, condensing drum cut - off machine, shell - and - tube condenser,

    本廠主要產品有各類蒸氣電加熱反應鍋,導熱油外盤管反應鍋,聚脂樹脂全套設備,真空減壓濃縮罐,甲醇乙醇回收塔,各類波紋填料,高效薄膜蒸發器,新型離心刮板式薄膜蒸發器,真空耙式乾燥機,冷凝滾筒切片機,列管式冷凝器,螺旋板式換熱器,外循環蒸發器,鋁制槽車貯罐,乳化設備,高速剪切分散機,種子罐,發酵罐,多功能提取罐,並承接各類非標設備。
  10. Abstract : using soy lecithin concentrates as raw material, through ethanol extraction of pc, fractionation of detoxin, vacuum concentration, deoil in acetone, absorbents decoloration, filtration, concentration, the soy lecithin rich in pc was obtained

    文摘:以濃縮大豆磷脂為原料,用乙醇萃取富集卵磷脂餾分,經分離去毒、真空濃縮、丙酮脫油、吸附脫色、過濾、濃縮,得到大豆卵磷脂。
  11. The results showed that : ( 1 ) the application of the above optimization method is feasible in the process of vacuum residue hydrotreating. ( 2 ) shaft power is a small part in the operation fees of the hydrogen system and has little influence on the optimization results. ( 3 ) vent should be decreased to reduce energy consumption because of the high concentration of the cycle hydrogen after rebuilding of the unit

    在pc - 133微機上進行了模擬和優化計算,結果表明: ( 1 )以復合形法為核心的可行路徑序貫模塊法在重油加氫過程中的應用是可行的; ( 2 )壓縮機軸功率在重油加氫的氫氣系統操作費用中所佔比例較小,對優化結果影響不大; ( 3 )裝置經過技術改造后循環氫純度過高,可以減少放空以節省能耗; ( 4 )建立的氫耗模型能夠可靠地計算現有裝置的循環氫濃度、溶解氫總量和裝置氫耗量。
  12. Results showed that the factors include : solvent and concentration of limn204 precursor solution, spin - coating speed, heating speed, sintering temperature and time etc. in the end, techniques of sintering under vacuum conditions were studied

    主要有以下幾方面:溶液中離子總濃度以及分散劑濃度對成膜質量的影響;旋轉塗覆時轉速、熱處理的升溫速度、燒結溫度、燒結時間對薄膜晶型結構及性能的影響。
  13. The demise of this initiative left a vacuum in the area of transparency on market concentration

    十國組織決定不推行這項措施,令有關市場集中情況的資料方面出現真空狀況。
  14. In this paper, an experimental investigation of the removal of volatile organic compounds ( voc ) from dilute aqueous solutions was presented by vacuum membrane distillation ( vmd ). experiments were carried out using aqueous mixtures of ethanol with hollow fiber module. the influences of operating variables such as feed concentration, flow rate, temperature and downstream pressure on the flux and separation factor were investigated

    本文對膜蒸餾脫除水溶液中的揮發性有機化合物( voc )進行了試驗研究;文中以乙醇水溶液為研究對象,採用真空膜蒸餾法,膜材料為中空纖維膜,研究膜通量及分離因子與原料液的溫度、濃度、流速,冷側壓力的關系,並對真空膜蒸餾的傳熱傳質機理進行了初步探討。
  15. This machine adopts high - level siemens plc concentration control, set up with computer controlled gear shifting vacuum gauge, and a three - flow controller, one set of contra - variant bias power and four - route contra - variant arc power supply, four side - installed heating tubes, computer pid automatic temperature control device, 60 and 100 two kinds versatile arc supply

    該設備採用先進的西門子plc集中控制,裝有電腦自動換檔真空計和三路流量控制器,一套逆變偏壓和四路逆變弧電源,邊裝式加熱管四支,電腦pid自動控溫, 60和100兩種弧源通用。
  16. Vacuum concentration tank

    真空濃縮罐
  17. It is suitable for low - temperature vacuum concentration of liquid in pharmaceutical, foodstuff and chemical industries

    適用於制藥、食品、化工等行業部門對液料的濃縮。
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