有效比表面積 的英文怎麼說

中文拼音 [yǒuxiàobiǎomiàn]
有效比表面積 英文
effective specific surface area
  • : 有副詞[書面語] (表示整數之外再加零數): 30 有 5 thirty-five; 10 有 5年 fifteen years
  • : Ⅰ名詞(效果; 功用) effect; efficiency; result Ⅱ動詞1 (仿效) imitate; follow the example of 2 ...
  • : Ⅰ動詞1 (比較; 較量高下、 長短、距離、好壞等) compare; compete; contrast; match; emulate 2 (比...
  • : Ⅰ名詞1 (外面;外表) outside; surface; external 2 (中表親戚) the relationship between the child...
  • : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
  • : Ⅰ動詞(積累) amass; store up; accumulate Ⅱ形容詞(長時間積累下來的) long standing; long pending...
  • 有效 : effective; valid; efficacious
  • 表面積 : superficial area
  • 表面 : surface; superficies; boundary; face; rind; sheet; skin; outside; appearance
  1. 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: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;使用較大的鐵網陽極;保持陽極室中適宜濃度的濃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 、觀陽極電流密度300a m ~ 2 、單位電解速度6 . 0a / l 。
  2. For hoods with shutters in four sides, the results show : 1 ) the hoods positively placed boards are called hoods used for venting airflow ; hoods negatively placed boards are called hoods used for leading airflow ; 2 ) among the hoods used for venting airflow, the most effective hoods should have positive declining angle value of 30, the ratio 4 of areas between the four windward faces and the gular section ( fy / fj = 4 ), the value of b range from 70 mm to 120 mm and the value of b / h range from 0. 5 to 0. 6 ; 3 ) the most effective hoods should have negative declining angle value of 60, the ratio 4 of areas between the four windward faces and the gular section ( fy / fj = 4 ), the value of b range from 100 mm to 170 mm ( the optimum value is 120 mm ) and the value of b / h range from 1. 4 to 2. 2 ( the optimum value is 2. 0 )

    對於四設百葉型風帽,計算明: l )正裝傾斜擋板的百葉型風帽可認為是排風型風帽,倒裝擋板傾斜的百葉型風帽可認為是進風型風帽; 2 )排風型風帽中,擋板正裝30 」 、風帽四個迎風fy和風管凈斷fj的值( fy腸)為4 、擋板寬度b在70inln到120inln之間、板間距值隴在0 . 5到0 . 6的百葉型風帽排風果最好; 3 )進風型風帽中,擋板倒裝裝60 「 、風帽四個迎風和風管凈斷值( fy例)為4 、擋板寬度b在100咖到170mm之間( 120mm為最佳) 、板間距值隴在1 . 4到2 . 0的進風型風帽( b爪= 2 . 0為最佳)的百葉型風帽進果最好。
  3. Carbon nanotube ( cnts ), as a kind of nano material, can produce special catalytic action to some materials because of its small particle diameter and large surface area

    碳納米管作為一種納米材料,由於小粒徑、大應,可對某些物質的電化學行為產生特的催化應,常用於酶傳感器的構建。
  4. Nanotubes have a narrow size distribution which dismeter is about 30nm with several analysis methods such as hrtem, eels, xrd, saed and so on the nanotubes " structure was characterized which can be regards as k ^ nbeon structure. according to the saed pattern, the axis of nanotubes can be determined which is along the crystal direction [ 100 ]

    鈮酸鉀是一種的具光催化功能的材料,光催化的果與催化劑的很大關系,納米管的一個顯著特點就是與粒狀結構的材料相,它具大的,從理論上講它應該鈮酸鉀顆粒具更好的催化果。
  5. However, when the samples have different effective contact areas, the degrees of dissolution may depend on the swing of the pendulum between the dissolution velocity and their effective contact area

    但當樣品在水巖反應過程中不同的時,溶蝕作用的強弱或快慢就取決于巖石溶蝕速率與水巖反應接觸的消長關系。
  6. Ceramic grain filters ard made of refined pottery clays added with certain modifiers, and processed of grinding, mixing, shaping and high temperature sintering. they do not contain any substances that harmful to people or environment. they are hard and rough in surface, porous inside the structure, and have the advantages of high mechanical strength, large specific surface area and porosity. when used in water treatment, they behave a activated surface property, a great amount of pollutant entrapment, less water head loss in the filter bed, lower consumption of back - flush water, stable in chemical and gbiologic property, and long service life, ceramic grain filters is a new and efficient filter material to increase the water yield, upgrade the water quality, and save chemicals and energy

    陶粒濾料是以精製陶土為主要原料,摻加適量改性劑,經粉碎,混練,成型和高溫煅燒而製成的,不含任何對人體和環境害的物質.其堅硬,粗糙,內部疏鬆,多孔,具機械強度高,大,孔隙率大的特性.用於水處理中,具性狀好,截污能力強,過濾水頭損失小,反沖洗耗水量低,化學穩定性和生物學穩定性好,使用壽命長的特點.陶粒濾料是一種能增加水產量,提高出水質量,節省藥劑和能耗的新型高過濾材料
  7. Too much cnts contributed no effect in the improvement of overall performance of the batteries. the batteries with nano - scale coo shows better active properties, the addition of nano - scale coo further the conductivity of the nickel electrode, thus lower the internal resistance of the batteries, higher discharge voltages are achieved accordingly. for the formation of the better conductive net of coooh, the effectivity of discharge rise, that contributes positive effect to the high rate capability of the batteries

    浙江人學碩十學位論文摘要正極添迦納米coo的ni / mh電池具較好的活化性能,納米coo更好地增強了鎳正極的導電性,進一步減小了電池的內阻;正極添迦納米coo的ni / mh電池還具較高的放電平臺;由於納米coo的納米結構,以及相對于普通c00更大的,會在堿液中溶解形成更均勻緻密的co0oh導電網路,從而提高了放電率,對電池的高倍率性能也極的影響。
  8. On the other hand, under the force of mechanical, the carbon and cao & sio2 superfine powder are obtained ; the specific surface area of these particles is increased. the tem photos indicated that, the carbon particles are composites on the surface of the melting superfine particles uniformly

    另一方,在機械力作用下,碳黑及cao sio _ 2的熔融顆粒被超細粉碎,增大,同時tem照片顯示,中超碳黑均勻地復合於超細熔融顆粒,並逐步嵌入的趨勢,提高了碳的利用率,降低了保護渣的熔化速度。
  9. Microporous materials have caught more and more attention because of its large specific surface area, high adsorption capability and chemical modification of the surface

    摘要微孔材料因其具、對低濃度痕量物質的高吸附及化學可修飾性而越來越受到煙草科技工作者的青睞。
  10. T. media cv. hicksii seedling " s total leaf area, specific leaf area, biomass, blade ' s thickness, apparent quantum efficiency ( aqy ) and the activity of hill reaction in one - layer shading are biggest. it shows that the ability using weak light is the strongest, which is favour of the accumulation of assimilating outgrown, and that it grows suitably at the place in shading

    一層遮蔭下生長的植株葉、葉片厚度、生物量、葉綠素含量、觀量子率及hill反應活力最大,說明它利用弱光的能力最強,利於同化產物的累,適宜於在遮蔭處生長。
  11. As far as the metal bo are concemed in this thesis, na +, k + in the thet main any, mgl in the second main any and miz + of the transient elements in the fourth period are of tather good therovement to the ffe - fodrig propeny of mse. ( 3whth the teehnology of lb, the monolayer of hise was deposited on to caf2 with hydrophilic sums on ultiapure water subphase, thus y - type lb fllm of transfer raho approaching to l is obtained. the lb film is demonstrated with ft - ir spectrum

    ( 3 )利用lb技術將二次水亞相上的hise單分子膜沉到具親水的caf _ 2基片上,得到轉移接近1的y ?型lb膜,並用ft - ir光譜對lb膜進行了徵,發現hise的紅外吸收峰在製成lb膜前後沒發生位移,隨著lb膜膜厚的增加,吸收峰呈現增強的趨勢,明lb膜可、均勻地沉
  12. In the design and fabrication of biosensor, the development of a simple and effective strategy for the construction of sensitive membrane on the electrode is a crucial step. nano - crystalline particles, exhibiting a large surface area with diameter less than 100 nm, high surface - activity, good biocompatibility, strong adsorption and great efficiency of catalysis, might be favorable for constructing biosensor

    納米材料,因其具大的、高的活性、強吸附力及高催化率等優異特性,可在增加生物分子(酶、抗原或抗體等)的吸附量和穩定性的同時提高生物分子(酶)的催化活性,使傳感器的響應靈敏度得到提高。
  13. Inorganic nanoparticles have lots of special properties due to their surface effect, dimension effect, interface effect and quantum effect. nanogold is one of such particles which have high surface ratio, strong absorptive ability and good biocompatibility, so it is widely used in the fields of molecular recongization, gene analysis and catalysis

    無機納米粒子的尺寸應、量子應、應和界應使其具許多獨特的性質,其中,納米金具大、吸附力強、生物相容性好等物理化學特性,在分子識別和標記、基因分析及催化等領域得到廣泛應用。
  14. Pt desulfurizer is a new and effective product with high surface area. sulfur capacity, crushing strength and free volume and low pressure drop. which is widely used in the fine desulfurization of purification process of oil and gas material in synthetic ammonia, methanol and hydrogen making industries

    Pt氧化鋅脫硫劑是一種新型高脫硫劑,具大,穿透硫容高,機械強度高,堆空隙大,床層壓降小的特性,廣泛應用於合成氨、甲醇和制氫等工業原料氣、油的濃度脫硫凈化過程。
  15. It was found that the introduction of ca2 + enhanced the sinterability of the material. the relative density of sintered specimens increase with the content of ca2 + in the composition range of 0 < x < 0. 3. it was confirmed that a high relative density can be obtained at relatively low sintering temperatures by using uniform, high surface area la1 - xcaxcro3 powders, which modifies the crystalline structure and microstructure of ceramic specimens

    研究結果明, a位ca ~ ( 2 + )的引入在一定程度上能夠降低材料的燒結緻密化溫度:細小、均勻、高的粉料能夠降低材料的燒結緻密化溫度;燒結溫度的降低可以減少la _ ( 1 - x ) ca _ xcro _ 3中液相含量和鉻氧化物的揮發,利於材料晶體結構、顯微結構的改善。
  16. As the temperature of pyrolysis and the soak time increasing, the carbon materials become more stacked, the specific surface area reduces, both reversible capacity and irreversible capacity decrease, the initial coulumbic efficiency increases, and the hysteresis in the voltage profile between charge and discharge is cut down

    隨著熱處理溫度的升高和恆溫時間的延長,所得炭材料的序化程度增加,減小,可逆嵌鋰容量與不可逆容量均減小,首次充放電率增大,電壓滯后現象得到抑制。
  17. It ' s resolve dispersion intensity and operation time. by testing sample of precipitated calcium carbonate and testing sample with particle size and distribution, specific surface area, particle configuration, coated percentage, accumulated density and absorb oil quantity, which indicated that the dispersion and surface modification effect of tri - rotor continuum surface modification equipment are fulfilled the demand of powders applied industry completely, also the system working continuously, realizing produce scale. the performance of the test equipment is much better than others dry machinery in our country, and as well as overseas dry machinery and wet machinery, also it has the advantage of the produce cost low

    通過對樣品?輕質碳酸鈣的性能試驗,同時對試驗樣品進行了粒度及粒度分佈、、顆粒形貌、包覆率、堆密度和吸油值的檢測,明三轉子連續改性機的分散和改性果完全能夠滿足粉體應用行業的需要,同時系統連續作業,實現了規模化生產;通過與其它改性裝置的對試驗明本試驗裝置性能優于國內其它干法改性裝置,達到國外干法和濕法改性裝置的水平,同時又具生產成本低的優勢。
  18. It has discovered for the first time that the precursor b - ni1 - xcox ( oh ) 2, with pluffy and dendritic morphology, high specific surface area and low tap density, is the best starting material to produce lini1 - xcoxo2 materials, but not the presently thought that high density and spherical particle of ni ( oh ) 2 is fitting for the preparation of ni - cathode materials. using our own precursor can greatly reduce the degree of cation mixing ; improve the electrochemical properties of the aimed materials

    發現蓬鬆、高和密度低、呈枝晶狀排列的- ni _ ( 1 - x ) co _ x ( oh ) _ 2前驅體具較高的化學活性,制得的目標材料可抑制陽離子混排產物的生成,而非目前廣泛認為的高密度球形ni ( oh ) _ 2適合作鎳系正極材料的前驅體。
  19. The decrease of active surface area in the anode caused by co2 accumulation is reduced through treating the diffusion layer and catalyst layer with ptfe, resulting in increased dmfc performance

    通過對陽極擴散層和催化劑層的疏水處理,降低了陽極產生的co2導致的催化活性損失,地提高了電池性能。
  20. Since the novel m41s mesoporous materials ( particularly mcm - 41 ) was firstly reported by mobil ' s researchers, much attention has been paid to this kind of materials. they have not only larger surface area, uniform pore structure and huge pore volume, which can reduce bottleneck phenomenon in molecular diffusion, but also higher mechanically and chemically stability as new inorganic materials. these materials have been widely used as catalysts, sorbents and separation materials as they were synthesized firstly

    介孔材料作為一種新型功能材料,由於其具較大的、長程序的孔道結構、較大的孔容、良好的擴散性能和能夠減小分子擴散中的瓶頸應等特點,以及作為無機材料所具的機械和熱穩定性,所以自1992年mobil公司開發研製了以mcm - 41為代的m41s系列介孔材料以來,被廣泛應用於催化、吸附和分離等領域。
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