surface concentration 中文意思是什麼

surface concentration 解釋
表面濃度
  • surface : n 1 表面；地面；水面；廣場，空地。2 外觀，外表，皮毛。3 【幾】面；切口；【航空】翼面。adj 表面的...
  • 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. A method to calculate quantitatively the adsorption volume or adsorption space of per mass of adsorbent derived from both the adsorbed molecule volume and the maximum adsorbance of a solute in an adsorption isotherm under a given experimential condition is presented firstly for a solid / liquid adsorption system of the solute in a dilute aqueous solution. this method is suitable for not only mono - layer adsorption, but also mani - layer adsorption and micelle adsorpion of surfactant constructed by hydrophile and lipophile groups. therefore, the surface concentration of the adsorbate, cs, deduced from the adsorption volume is possessed of the meaning of true concentration, and the value of the patition coefficient of the adsorbate between solid and liquid phass, p, attained by the cs and the c, solution concentration of the adsorbate, can be accurate. the foregoing a set of calculations are presented for the solid - liquid adsorption systems consisted of the wool fiber and separately dodecyltrimethyl - ammonium bromide ( dtab ) and hexadecyltrimethyl - ammonium bromide ( ctab ) in this paper. this provides a strong basis for adsorption thermodynamic investigation of adsorbate

    對稀溶液中溶質的固/液吸附體系，首次提出了根據吸附分子體積和實驗條件下吸附等溫線中的最大吸附量計算單位質量吸附劑的吸附體積或吸附空間的方法.此法適用於單層吸附，也適用於多層吸附和具有親水親油結構的表面活性劑分子的膠團吸附.由此，吸附質的表面相濃度cs具有真實濃度的含義，相應地，計算得到的溶質的固/液分配系數p就有了準確值.分別計算由溴代十二烷基三甲銨（ dtab ）和溴代十六烷基三甲銨（ ctab ）與羊毛纖維構成的液/固體系分配系數等，為溶質吸附的熱力學研究奠定了基礎
  2. Adsorption is the concentration of one substance very near the surface of another.

    吸附作用是一種物質非常接近地集中在另一種物質的表面。
  3. The results suggested that the ph value, the type of monomers, the type, concentration and surface properties of inorganic nanoparticles, the type and concentration of emulsifier have a great influence on the encapsulating emulsion polymerization and the obtained latex stability. if selecting cationic emulsifier ( ctab ), low water soluble monomers ( such as ba, st ) and hydrophobic nano - silica, the inorganic nanoparticles would be encapsulated by polymers through ultrasonic irradiation successfully under alkalescent condition

    系統研究了ba 、甲基丙烯酸甲酯（ mmal苯乙烯舊t ）以及它們的共聚體系在超聲輻照作用下包裹聚合的主要影響因素，結果表明： ph值、單體的種類、無機納米粒子的種類、濃度及表面性能、乳化劑的種類及濃度等對超聲輻照包裹乳液聚合以及復合體系的穩定性有較大的影響。
  4. To study the biogeochemical cycle of phosphorus, it is very important to accurately determine the concentration of orthophosphates in the surface of oceans, especially oligotrophic open - oceans

    痕量活性磷分析是探索海洋，特別是寡營養海區生物地球化學過程的關鍵。
  5. The primary results showed : using m199 as diluents containing 20 % bovine serum, it is better to freeze the cells slowly freezing at fist then increase freezing speed ( for example, from 0 to - 6 freezing speed is about - 0. 05 a minute, from - 6 to - 40, freezing speed is about - 0. 5 a minute ), studies on effect of various concentration of dmso demonstrate that about 12. 5 % dmso gave the highest post - thaw percentage of viable cells. the concentration of bovine serum had no different effect on the percentage of the viable embryo cells of misgurnus auguillicaudatus. the embryo cells derived 6 from the later stage of blastula offish is more resistant to the cryogen than the cells of early stage of blastula. the cells preserved in liquid nitrogen at - 196 were thawed and cultivated, a few cells were found adhere to the surface of culture vessel when the percentage of viable cell was more than 30 %. the cells in only two culture vessels were found to proliferated and gave rise to many small morphologically undifferentiated cells

    研究初步表明:以細胞培養液m199 （含2既的小牛血清，常規量雙抗）為凍存稀釋液對泥鰍胚胎細胞冷凍保存宜採取先慢后快的方式（例如，從0一一6 ，凍存速度為一0 . 05 / min ，再以一0 . 5 / min的速度從一6一一40 ） ; dmso的保護效應濃度為12 . 506左右;小牛血清的濃度對泥鰍胚胎細胞的成活率影響不明顯;囊胚晚期細胞抗凍性比中早期強;通過對不同批次的凍存細胞解凍培養，解凍后成活率為30 %以上細胞培養數天後均有少數細胞貼壁，但只發現兩瓶培養細胞有明顯增殖現象產生許多未分化的小細胞。
  6. Surface tension of the calcium hydroxide solution is higher than that of water when the concentration of additive is the same

    但同濃度下，石灰水溶液的表面張力要高於水溶液的表面張力。
  7. The complex formed by cnbr - activated alginate and antibody is aggregated to the surface of the paraffin - graphite - chitosan electrode by electrostatic adsorption ( coacervation ). the concentration of sjag can be detected by determining the redox current of o - aminophenol, which oxidized by h2o2 in the presence of hrp. moreover, the immunosensor shows some improved performances including high sensitivity, selectivity and less non - specific adsorption

    褐藻酸鈉?抗體復合物通過靜電吸附作用被凝集到含石墨?石蠟?殼聚糖組分的電極表面，然後與抗原和酶標抗原進行競爭反應，以鄰氨基酚為電子媒介，通過測定酶催化下雙氧水對其氧化的電流大小來間接測定抗原的濃度。
  8. On the base of these theory calculations, we passivated the front - surface both of different surface doping concentration solar cells by a thin layer of thermally grown sio2. the results show that the in heavy surface doping concentration cell is lower compared to the cell in light surface doping concentration. the majority of improvement in comes from the emitter surface passivation

    接著採用sio2作為鈍化膜，從實驗上比較了在不同表面濃度下單晶硅太陽電池的鈍化效果，結果表明在高表面濃度下其開路電壓比低表面濃度下的開路電壓低，這開路電壓的提高主要來源於降低了前表面復合。
  9. It not only gains the physical contrastive datum mark, but also improves the blm stability. cyclic voltammetry is used to study the characteristic of blm attached to metal surface, as the forming of blm, the voltammetric characteristics of blm, the selection of ion and measurement of different ki concentration

    就以上提出的處理方法，採用循環伏安法詳細研究了金屬表面所覆blm的基本性質，如：膜形成液的配製、膜的形成、膜電阻、膜的伏安特性、膜的擊穿電壓、離子的識別性及對不同濃度的碘化鉀溶液的測試。
  10. The method of obtaining high concentration of na2feo4 solution by quick electrolysis mainly contains four aspects : adoption of either a diaphragm or an ionic membrane electrolytic cell in which a thin anodic cell lying between the two cathodes, ( 2 ) using an iron anode that has larger specific surface area, ( 3 ) keeping suitable concentration of naoh in the anodic cell, adoption of lower current density and higher electrolyzing speed. the practical technique parameters follow a s below : the naoh solution of 14 - 16mol / l, the temperature of 303 - 308k, the surface anodic current density of 300a / m2, the unit electrolyzing speed of efficiency larger than 6. 0a / l

    快速電解獲取高濃度na _ 2feo _ 4溶液的方法，主要包括四個方面：採用兩陰極室夾一厚度較小的陽極室的隔膜（或離子膜）電解槽；使用比表面積較大的鐵網陽極；保持陽極室中有適宜濃度的濃naoh溶液；採用較低的電流密度和較高的電解速度。具體工藝參數是： 14 16mol / lnaoh溶液、溫度303 308k 、表觀陽極電流密度300a m ~ 2 、有效單位電解速度6 . 0a / l 。
  11. The relationship between capacitance and corrosion conditions in the enlargement of tunnels justifies the latter competition mechanism the varied etching conditions were implemented by enhancing the passivating characteristics and viscosity, changing the a13 + concentration, temperature of etchants and current pulsation. passivating acid in the etchant is conducive to the instant passivation of exposed areas on the foil surface, and hence sustains the balance of competition between aggressive anions and passivators, providing pit nucleatiori sites continuously

    通過侵蝕液中添加草酸、硫酸、乙二醇，改變侵蝕液al ~ （ 3 + ）濃度和電流紋波等方法，研究了不同的侵蝕條件對隧道孔形貌和比容的影響，結果表明：草酸和硫酸既保護了鋁箔表面又促進了隧道孔孔壁的迅速鈍化，增加發孔密度。
  12. The oxide and reduce potential and the dopant concentration. the experiments of degradation methyl blue a1so showed that the photocatalytic activity could be greatly improved with vzos - loaded tio2, maybe that loading v2o5 would accelerate the electron captured and charge transferring, change the samp1e surface hydrophilic and absorption

    納米tio _ 2 - v _ 2o _ 5復合光催化劑對次甲基藍的降解實驗表明，復合v _ 2o _ 5后tio _ 2可以加速電子捕獲和電荷遷移速率，改變了樣品表面吸附親合力，使降解效率相比純tio _ 2有很大提高。
  13. The processes of surface elevation, current velocity in the compound fluid model and suspended sediment concentration in the suspended sediment transport model are verified by observed data of many stations in flood / dry season and in spring / middle / neap tide

    復合流場模型的水位過程、流速過程，以及懸沙模型的含沙量過程則經過了洪、枯季及大、中、小潮的多個站點的實測過程驗證。
  14. The effect of ni + ion on luminescence had not been detected by fluorescence experiments for implanted doped crystals. 5 ) the xe ion peak concentration lies at a depth of about 47nm under the surface. after ion implantations, the two peaks in o1s spectrum merge into a single one

    （ 5 ）注入的xe ~ +在距表面47nm處濃度取得最大值，離子注入使兩種類型氧格點的化學環境變得相似， o _ （ 1s ）譜的兩個峰融合為一個峰。
  15. The fem analysis for the three structures of sling screw - thread - based, namely the circle, rectangle and that with strengthen plate, and the tensile test for sling screw - thread - based in torpedo body show, that the bonding with strengthen frp plate between load - bearing metal parts and frp hull with hatch can reduce the stress concentration and significantly decline the local stress in frp hull with hatch. this structure can also be used in the similar produces. ( 3 ) the effects of parameters for bonding process on the adhesive strength and leakproof are discussed, such as the bonding interface reduce, bonding surface treatment, match of adhesive surface, protect for adhesive seam and so on

    本文通過某型號雷體吊耳螺紋座結構的三種方案，即圓形昂耳螺紋座、長方形吊耳螺紋座、具有增強板的吊耳螺紋座的有限元分析及雷體吊耳螺紋座拉力試驗結果證明：金屬承力件與開口玻璃鋼殼體粘接採用玻璃鋼增強板補強，緩和了應力集中，使開口殼體局部應力明顯降低，類似的水下兵器用金屬承力件與開口復合材料殼體膠接均可採用此種結構形式。
  16. Introduction to general ideas in air pollution control, air pollution effects, design of wall collection devices （ gravity settlers, centrifugal separators, electrostatic precipitators ）, design of dividing collection devices （ surface filters, depth filters, scrubbers for particulate control ）, design of controlling by concentration and recovery （ condensation, adsorption, absorption ）, design of controlling by oxidation （ combustion, biological oxidation, biofiltration ） and the choosing of a control technology

    本課程介紹空氣污染防制概念，空氣污染之影響，壁式集塵設備之設計（重力沉降室、離心分離器、靜電集塵器） ，分隔集塵設備之設計（表面過濾器、深層過濾器、洗滌器） ，以濃縮回收之控制設計（冷凝、吸附、吸收） ，以氧化之控制設計（燃燒、生物氧化、生物過濾） ，以及控制技術之選擇。
  17. From then on, the above two shortcomings had been overcome. impurity concentration and junction depth can be accurately controlled and freely adjusted. both low and high dopant concentration can be gained easily, and ideal distribution of ga in si can also be achieved with uniform surface concentration, good repeatability and high eligibility and excellence ratio, which have greatly improved comprehensive performances of the devices

    此工藝發明以來，克服了上述兩者的弊端，雜質濃度和結深能準確控制而又能任意調整，可進行低、高濃度階段性摻雜，得到元素ga在si中的理想分佈，而且表面濃度均勻一致、重復性好、合格率和優品率高，改善和提高了器件的綜合性能。
  18. A non - driving - force approximation is presented for the description of dynamic response of a spherical porous particle subject to a step change in the surface concentration

    摘要本研究推導用於描述因顆粒表面濃度階梯式改變所導致動態行為之非驅動力近似式。
  19. The pc id has been used in order to analyse the influence of surface recombination on the performance of crystalline silicon solar cell. in different surface concentration, the relation of the surface recombination velocity and the performance ( voc, jsc, g ) of crystalline silicon solar cell is discussed

    採用pc1d就表面復合對太陽電池性能的影響進行理論計算，探討了晶體硅太陽電池不同表面濃度條件下，表面復合速度與太陽電池開路電壓、短路電流以及轉換效率之間的關系。
  20. To produce the " effect " by changing the structure of electric double layer and influence the surface concentration of reaction particle and activation energy of interface reaction, thus affecting the speed of electrode reaction ; c

    通過改變雙電層結構產生「 _ 1效應」 ，影響反應粒子的表面濃度及界面反應的活化能，從而影響電極反? ?西安理工大學碩士學位論文應速度； c
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