膜滲作用 的英文怎麼說
中文拼音 [móshènzuòyòng]
膜滲作用
英文
membrane activity-
A plastic membrane serves as selective diffusion barrier.
一層塑料薄膜起著選擇性滲透屏障的作用。When separated by a semipermeable membrane ( e. g. a cell membrane ) water moves by osmosis into the hypertonic solution from the hypotonic solution
當用半透膜(如細胞膜)將兩種溶液隔開,水分就會在滲透壓的作用下從低滲一側向高滲溶液流動。According to the feature that deformation resulted from water absorption and mildew appear mainly on the rabbet surface of ccf, this paper adopts rsst to spray a special waterproof sealant on rabbet surface of ccf, so that the sealant can get into fiberboard to certain extent by means of capillarity and penetration, blockage the holes between fibers and capillary, cut up passage of water and change the properties of soakage and sorption to water in capillarity and fiber. at the same time, solidified sealant can form a compact waterproof pellicle on rabbet surface so as to prevent water and humidity from fiber ' s expansion and mildewing
針對吸水變形、霉變主要發生在地板企口表面的特徵,採用企口表面全封閉法,在復合強化地板企口表面噴塗特殊的防水封閉劑,使其依靠毛細管作用及滲透作用進入板內一定深度,堵塞木纖維之間的空隙及毛細孔通道,截斷水分傳遞的渠道,並改變毛細孔壁及纖維的表面性質以不利於水的浸潤與吸附,同時其固化后能在企口表面形成一層緻密的憎水薄膜,防止水分、濕氣從企口侵入板內引起木纖維膨脹變形、發霉等現象。Aluminum coagulation pretreatment enhances the uf removal of ha and greatly ameliorates the effect of ha on the membrane flux decline. at ph = 7. 0 the mechanism is adsorption of ha on the amorphous solid - phase al ( oh ) _ 3 ( s ), while at ph = 5. 0 the mechanism is charge - neutralization. in terms of the removal of ha ( toc, uv _ ( 254 ) ) and the membrane flux decline, the effect of coagulation under ph = 7. 0 condition turns out to be much better than that under the condition of ph = 5. 0
Ph = 7 . 0條件下的混凝預處理機理主要是鋁鹽高分子水解產物對腐植酸的吸附網捕作用, ph = 5 . 0時的機理主要是帶正電荷低分子鋁鹽水解產物吸附電中和作用,從toc和uv254的去除率以及膜滲透通量的變化情況來看, ph = 7 . 0條件下的混凝預處理優于ph = 5 . 0 。The membrane properties were found to be dependent upon the content of styrene. the membrane physic - chemical properties compare to nafion 117 except that their chemical stability has to be further improved to make them acceptable for practical use in the proton exchange membrane fuel cell. the proton transport through the membrane follows the " liquid - like " proton conductivity mechanism y and the water balance is important for the working condition of the fuel cell
對磺化膜的研究分析表明:膜的性能參數如離子交換容量、吸水率、水合系數、形體穩定性、導電性能、化學與熱穩定性等依賴于膜中苯乙烯含量,且接枝苯乙烯相互間的位阻效應對膜性能影響很大;膜的性能可與nafion膜相比較;質子在膜中的傳導遵循「似液體」質子傳導機理;電滲析與擴散作用使膜保持水平衡。Results showed that the muskrat musk increased the weight of unmatured mouse, enhanced weights of prostagland and sperm restore bladder, resisted hemolysis of red cell in higher or lower osmotic solutions, stabilized red cell membrane obviously, improved the activity of sod in the liver
本研究發現:麝鼠香具有促進未成齡小白鼠體重增長、增加小白鼠前列腺貯精囊的重量的作用;對抗小白鼠紅細胞在高滲和低滲液中溶血穩定紅細胞膜作用明顯,增強小白鼠肝臟中超氧化物歧化酶( sod )的活性。By the relationship between d, 18o, br / cl and cl ' s consistency, explain that the film percolation effect is not the major factor controlling oil gas water in the jurassic system
利用川西前陸盆地侏羅系氣田水d 、 ~ ( 18 ) 0 、 br cl與cl ~ -濃度的關系,說明薄膜滲濾作用不是控制其成因的主要因素。The reverse osmosis device is an equipment to purify the saline water with the action of pressure difference of semi premeable membrame. it is called reverse osmosis, as it is counter to natural penetration direction. different materials have different osmotic pressures
反滲透裝置是利用半透膜在壓力差的作用下使含鹽水脫鹽純化的設備,它自然滲透的方向相反,故稱為反滲透,亦稱逆滲透。The high sensitivity and good selectivity were accomplished in the determination of the dopamine due to the selective penetration and the accumulative effect of the. polyglycine membrane
利用聚甘氨酸膜的選擇滲透性和富集作用,研製了高靈敏度和高選擇性的多巴胺生物傳感器。The oxide film of zirconium on the sdses conceals its high hydrogen permeability because of its self passive effect with oxygcn, which limits its application as high h - permse1ective membran
1幾個納米厚的氧化鋯膜掩蓋了其本體的滲氫性能,使其在作為高選擇滲氫膜的應用上受到限制。A solid - waste containment system can be simplified as a slope which contains a layer of geomembrane ( which is simplified as interlayer slope in the rest part ). shaking table model test and numerical analysis have been done to study the seismic stability of interlayer slope based on the two - part wedge theory in this paper. many factors which affect the slope stability ratio, including horizontal seismic coefficient, slope angle, soil - geomembrane interaction coefficient, slope length, layer thickness and soil character, have been took into consideration
填埋場防滲基坑的邊坡可以簡化成含土工膜夾層的土坡(以下簡稱夾層土坡) ,本文根據「雙滑楔體」理論思想,對夾層土坡的地震穩定性問題進行了較為系統的模型試驗和數值分析,著重考慮了水平地震系數、夾層土坡坡角、土工膜與覆蓋層土體摩擦系數、夾層邊坡長度和厚度、夾層土坡覆蓋層土體性質等因素對土坡安全系數的影響,並對地震作用下夾層土坡的永久變形進行了初步的研究,給出了對實際工程設計有參考價值的結論。It shows the nanometer particles have automation to make the friction surface in a comparatively even state. 4 ) through tribology chemistry function, the nanometer cacoj and cao particles form a deposited film on the wear scar ' s surface or strengthen the surface through a small amount of metal ca ' s diffusion to improve the friction surface ' s a
( 4 )納米碳酸鈣和納米氧化鈣粒子通過摩擦過程中的摩擦化學作用在磨斑表面上形成了沉積膜,少量金屬鈣通過擴散作用滲透到鋼基體表面,形成表面強化層,提高了表面的耐磨性。As a new type of impervious wall material, the geomembrane is to be used in the central core earth and rockfill dams. in this thesis, the engineering characteristics of geomembrane are mainly investigated. the reliability of impermeability, the durability, the deformation adaptability and the proper application range of geomembrane are discussed
本文重點研究了土工膜作為一種新型防滲材料應用於土石壩防滲心墻的工程特性,探討其在土石壩擋水運行期間防滲的可靠性、耐久性、變形能力及其適用范圍。By using ec membrane material as column packing, double - distilled water as mobile phase, the retention times ( tr " ) are measured with suitable inorganic and organic compound as solutes. 3. complying with the retention times, the partition coefficient of the solute ( ka " ) and the ratio of the surface excess concentration of solute ( ) with the concentration of the parent fraction ( cab ) are calculated
利用物理改性的方法研製了乙基纖維素( ethylcellulose ,簡稱ec )膜材料,並將其作為高效液相色譜柱的固體填料,以高效液相色譜模擬反滲透實驗平衡條件,以水為流動相,選擇合適的無機物和有機物作為溶質,測定乙基纖維素對它們的相對保留時間及平衡分配常數k _ a 。Combining theory with experiment together, the engineering example that composite geomembranes are used to act as anti - seepage material are enumerated in the paper. 1 introducing the species and characteristics of the geomembranes and introducing the geomembranes " application in hydraulic engineerings
本文理論和試驗相結合,列舉了利用復合土工膜防滲的工程實例,主要做了下面幾項工作: 1 、介紹了土工膜的品種特性,列舉了土工膜在水利工程中的應用實例。( 2 ) the permeation process in the flat - sheet supported liquid membrane under intermittent operation is investigated
( 2 )採用平板型支撐液膜,測定各種操作條件下的滲透系數p 。Secondly, the permeation coefficient in the flat - sheet supported liquid membrane under batch operation was measured
( 2 )採用平板支撐液膜,間歇操作,測定各種操作條件下的滲透系數。Under middle level drought condition mosuchun can increase content of soluble organic osmoticum ( pro, amino add and sugars ) maintain or raise the activity of sod and cat, and decrease permeability of plasma and content of mda
在乾旱條件下摩素淳能增加游離氨基酸、可溶性糖和脯氨酸3種有機滲透調節物質的含量,維持或提高sod和cat活性,降低膜相對透性和mda含量,防止或降低了膜脂過氧化作用對膜的傷害。Microfilltration within stationmary tubular membrane elements with rotating flow is one of the most efficient method to enhance crossflow microfiltration, but its flow field characteristics are far from understanding and its filtration characteristics are also had to reseach, because the rotating flow field are superposed by rotating shear flow and axial flow and radial permeate flow
旋轉流靜止管式膜微濾是十字流強化微濾的有效方法之一,但由於其受到旋轉剪切流、軸向剪切流及徑向滲透流的三維流場作用,其流場特性有待探索,其分離特性也有待深化認識。On the basis of the preferential sorption - capillary flow mechanism proposed by sourirajan, the membrane interfacial equilibrium condition in reverse osmosis can be simulated by the hplc experiment. the hplc data on retention times can be used for quantitatively characterizing the dynamic nature on solid polymer membrane surface and physicochemical properties of polymer - solution interface. the experimental technique in this paper can offer definite guidelines for the choice of appropriate membrane material and the better understanding of reverse osmosis separation mechanism
本論文根據索里拉金( sourirajan )提出的「優先吸附?毛細孔流」機理作為選擇膜材料的理論依據,用高效液相色譜為手段,模擬反滲透實驗平衡條件,確定乙基纖維素固膜材料界面的動力學參數以及求得表徵高分子材料在溶液界面上的特性參數,為預測膜材料的化學性質和探討反滲透分離機理提供了有效手段。分享友人