表面與體積比 的英文怎麼說

中文拼音 [biǎomiànyǔtǐjībǐ]
表面與體積比 英文
surface to volume
  • 表 : Ⅰ名詞1 （外面;外表） outside; surface; external 2 （中表親戚） the relationship between the child...
  • 面 : 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...
  • 體 : 體構詞成分。
  • 積 : 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...
  • 比 : Ⅰ動詞1 （比較; 較量高下、 長短、距離、好壞等） compare; compete; contrast; match; emulate 2 （比...
  • 表面 : surface; superficies; boundary; face; rind; sheet; skin; outside; appearance
  1. The structures and characteristics of several graphite samples are measured by means of powder x - ray diffraction ( xrd ), brunauer - emmer - teller ( bet ) surface area measurement, inductively coupled plasma ( icp ) spectroscopy, particle size analysis and electrochemical measurements. the effects of origin, structure, impurity, particle size, specific surface area of carbon materials on the electrochemical characteristics are studied. a synthetic graphite with abundant resources, low cost and favorable performance is determined as the raw material for modification of graphite

    採用xrd 、 bet 、 icp 、激光粒徑分析及電化學性能測試等方法，對國內外多種典型石墨樣品的結構與性能進行比較，研究石墨材料的來源、晶體結構、雜質含量、顆粒大小、比表面積等因素對其充放電性能的影響，確定一種性能較好、價格低廉、來源廣泛的普通人造石墨粉作為熱處理與摻雜改性、以及復合結構炭材料研究的原材料。
  2. There are many adaptive changes in the two research subjects ( artemisia. songarica schrenk. and seriphidium. santolinum ( schrenk ) polijak. ) in morphology and anatomy, such as with the increase of the daily age, the root - shoots ratio increased ; the root became stronger ; the ratio of leaf volume and leaf area increased ; the volume of epidermic cell decreased ; the cut - icle and phellem layer on the surface of root thickened. stoma caved in leaf ; epidermal hair of leaf and stem well - developed, palisde tissue developed well, the cell gap decreased ; the spongy tissue disappeared ; leaf is kinds of isolateralthat is the typical xeromorphic structure ; crystal cell and fibric cell increased ; conducting tissue and mechanical tissue developed well ; bundle sheath appeared

    實驗研究的兩種菊科（ compositae ）植物（準噶爾沙蒿（ artemisiasongaricaschrenk ）和沙漠絹蒿（ seriphidiumsantolinum （ schrenk ） poljak . ） ） ，形態解剖方面的變化表現為：隨日齡增加，根長/株高比值日益增大；根系逐漸發達；體積與葉面積比逐漸增大；表皮細胞體積變小；角質層增厚；根外部出現加厚的木栓層；氣孔下陷；葉、莖部的表皮毛密布，柵欄組織日益發達；而細胞間隙日漸變小；海綿組織逐漸消失；葉面結構常為典型旱生結構? ?等葉面；晶細胞及纖維細胞數目增多；輸導組織、機械組織日漸發達；具有維管束鞘等等。
  3. The physicochemical properties of cx - 2 correspond to cytodex - 3 mc produced by pharmacia, including of color, loss of drying, area, density, size, soakage, dilation, stability, size distribution, mechanical strength, surface structure, etc., but its cost of manufacture is lower than cytodex - 3 " s

    通過優化工藝制備的cx - 2微載體，在色澤、乾燥失重、比表面積、成球率、密度、直徑、吸水量、溶脹度、粒度分佈、表面結構、機械強度、穩定性等理化指標與pharmacia公司cytodex - 3微載體相當，但成本價格要低得多。
  4. On the basis of theory analysis, the average transmitted light intensity ( correspond to dc value ) was determined as characteristic parameter of raw water using photoelectric method for monitoring the fluctuation of transmitted light and photometric dispersion analyzer ( pda ). the dc value was closely related to both particle concentration and surface area of sand clay simultaneously. the experimental results shows that there is an exponential function relation between dc and surface area of sand clay in unit volume water ( sp ) : dc = asbp in which a and b are empirical coefficients. then the formula of macromolecule flocculant dosage is found to be d = f ( dc ) = e ( dc ) f in which e and / are empirical coefficients and the average correlation coefficient equal to 0. 981. so the model of automatical control system of water treatment plant was established using the formula

    應用透光率脈動檢測技術和光散射顆粒粒度分析儀（ pda ） ，通過理論分析，將pda的輸出信號之一? ?平均透光強度（對應于dc值）作為原水的特性表徵參數， dc值可以同時反映顆粒濃度和比表面積因素的影響，試驗結果證明， dc值與單位體積水中泥沙顆粒總表面積s _ p之間具有很好的冪函數關系： dc = cs _ p ~ d ，式中c 、 d為經驗系數，進而得到了以dc值為參數的高分子絮凝劑投藥量公式： d = f （ dc ） = e （ dc ） ~ f ，式中： e 、 f為經驗系數，平均相關系數達0 . 981 ，利用所建立的公式，建立了前饋? ?后饋聯合控制的在線自動投藥模型。
  5. 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
  6. 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
  7. The dynamic mechanical thermal analysis suggests that the loss modulus of pp / fe composites increased with cycles of milling

    30inz哈（碾磨14次的比表面積為4 16mz咆pp與wtr復合形成結合緊密的復合粉體。
  8. The sequence of two patterns presence is changed alternately, that is, one pattern will appear at the second pulse of total pattern in this half cycle if it appears at first pulse in last half cycle. the stability of square pattern was studied by considering the interaction among the wall charges. the discharge moments of individual filament alternate from long one to short in the square pattern, which can been explained by using the breakdown and quench model through considering the wall discharge accumulated on the dielectric layers

    實驗研究了正方網格斑圖與混合氣體的比例及外加電壓的關系，給出了班圖類型隨上述條件變化的相圖；實驗採用光學方法對正方網格斑圖進行了時空動力學測量，發現正方網格斑圖是由兩套正方網格斑圖相互嵌套而成，其中一套的微放電絲位於另一套正方形單元的中心，這兩套微放電絲交替進行放電；考慮到壁電荷之間的相互作用，研究了正方網格斑圖的穩定性；實驗發現正方網格斑圖的微放電絲放電時間間隔是長短交替變化的，考慮到電介質表面積累的壁電荷的作用，使用擊穿?熄滅方程很好的解釋了該現象。
  9. Single - walled carbon nanotubes ( swnts ) were opened and oxidized in the concentrated h2so4 / hno3 mixture ( volume ratio : 3 : 1 ), hydroxyl groups could be brought into the swnts after oxidation modification treatment, and the long - chain silane coupling agent was grafted onto swnts via hydroxyl - silanol route

    摘要採用混酸體系（濃硫酸濃硝酸體積比為3 / 1 ）對單壁碳納米管進行了氧化處理，並通過氧化處理后在單壁碳納米管表面生成的羥基官能團與長鏈硅烷偶聯劑進行反應，制備了表面有機修飾的單壁碳納米管。
  10. The main work is introcuced as follows : ( 1 ) the inorganic - organic nanocomposite of nanogold and chitosan, which have high biocompatibility, was synthesized in situ and used for the immobilization of antibodies. an amplified piezoelectric immunosensor for detection of normal human igg was designed with this nanocomposite film. comparing with self - assembling film of semi - cystamine, the inorganic - organic nanocomposite film could immobilize more antibodies with the activity of antibodis well retained

    與半胱胺自組裝膜比較，納米金-殼聚糖復合物膜較大的比表面積使其可固載更多的抗體，同時可較好地保持抗體的反應活性;納米金的物理吸附作用使更多的沉澱結合於石英晶體表面，以其為載體制備的傳感器具有更大的頻率響應值。
  11. The results showed that the gradation, which designed by volumetric methods, has perfect water - stability and other pavement performance also can meet the demands of expressway. by integrating compaction capacity and pavement performances, the optimal ratio of the structural layer thickness to the maximum particle - size is 2. 5. the water resistance of the mixture added amine type anti - stripping agent attenuates severely after long - term aging, but the mixture added hydrated lime not only can improve obviously the capacity of water resistance, but also has perfect long - term pavement performance

    研究結果表明，採用體積法設計的級配不僅具有較好的水穩定性而且其它路用性能均滿足高速公路面層的要求；綜合考慮壓實性能及路用性能，提出了瀝青路面表面層結構層厚度與混合料最大粒徑的合理比例為2 . 5 ；摻有液體胺類抗剝落劑的瀝青混合料經長期老化后其抗水損害能力衰減嚴重，而摻加消石灰的混合料能顯著提高其抗水損害能力，且長期性能較好，是一種優良的抗剝落劑。
  12. Enhanced heat transfer tube with spiral - surface has simple frame, cheap cost, and wide - ranging purpose. only few dirt can adhere to it and is easy to be washed. it has distinct strengthen effect, and can improve chief heat transfer coefficient at 35 - 40 % comparing with smooth tube exchanger which has same volume and pump power consumption

    螺旋型表面強化管結構簡單，成本低廉，用途廣泛，結垢少且易清洗，其強化效果明顯，與體積、消耗泵功率相同的光管式換熱器相比，螺旋槽管換熱器可以將總傳熱系數提高35 40 ，因而備受人們青睞。
  13. 2 leaflets from plants grown in the increasing salt concentrations ( up to 200mm ) became smaller and thicker, leading to the smaller ratio between superficial area and mesophyll tissue volume. in the same process, the cuticle became thickness significantly increased while stomata became less in number and smaller in area

    （ 2 ）隨鹽濃度增加，葉片整體逐漸變得小而厚，葉表面積與體積的比值小，從而減少蒸騰面積，同時角質層變厚，單位面積上的氣孔數目減少，氣孔器面積減小，都可以使植物盡量降低蒸騰速率，減少體內水分散失。
  14. Designed a program which can use the mean pressure coefficient of jin ’ ao mansion to calculate mean wind load of the whole buildings and local floor. the integral result can apply into the practical design of construction, also can compare with the results of wind tunnel balance test to validate the veracity of this test

    通過自編的程序對金奧大廈表面時均風壓系數進行積分計算獲得其整體和局部樓層的平均風荷載，積分計算的結果一方面可以方便地運用於實際的建築結構設計中，另一方面可以與風洞天平測力結果進行比較驗證動態測壓試驗的正確性。
  15. This thesis, based on a survey on the physique, socio - psychological factor and life style of the scientific and technical staff of nine scientific institutes of shanxi province, makes an investigation on the health condition of the scientific and technical staff of our province, by applying the methods of inquiry, measure and documentation etc. the results show that 79 % of shanxi ' s scientific and technical staff feel, more or less, some problems in their physical mechanism, which proves that their constitution is rather low compared with the average level of taiyuan ' s adult and possesses some obvious professional features. furthermore, the staffs discomforts in mechanism are mainly related with socio - psychological factors

    結果表明：山西省科技人員中有79的人自我感覺有或多或少的機能不適；與太原市城市成年人體質平均水平相比，科技人員體質偏差，且有明顯的職業特徵；此外，科技人員的諸多機能不適主要與社會心理因素有關，心態的積極與否在機能感覺方面差異顯著；體育運動對科技人員的影響主要表現在心理方面，參與運動者精神狀態明顯優于不運動者；科技人員生活習慣較合理，但參與體育鍛煉不科學，在增強體質的效果方面不明顯。
  16. For the image acquisition of optical scan mode, normally, ccd image sensor is used to capture image, but in our system, due to the system request of micromation and high integration, cmos image sensor is adopted as the image collection device, and then the thesis gives a interface circuit between the chip and dsp and a control solution of image collection ; toward the information storage in our solution, dsp is directly linked to usb host chip and it is the dsp that accomplishes the processing of usb protocol and interface control so as to reduce the cost, minimize product cubage and consequently meet the requirement of system micromation ; at the same time, the thesis probes preliminarily into usb otg ( on - the - go ) technology, which offers an approach between embedded machines including pda, mobile phone, printer, digital camera and so on ; in addition, some attempts on the other application area with tms320vc5402 which was commonly used to voice processing and static image processing are done, for example, to arrange the chip to control lcd module directly

    在圖像的光電掃描輸入上，傳統方案大部分採用ccd型圖像傳感器，而在本方案中，根據系統微型化、高集成的特點，使用了cmos圖像傳感器作為攝像器件，並且設計了該晶元與dsp的一種介面電路以及圖像採集控制方案；在信息存儲上，本方案採用dsp直接與usbhost晶元連接，由dsp處理usb協議和介面信息，從而降低了系統成本、縮小了產品體積，滿足了系統微型化的要求；同時本論文也對usb - otg技術進行了初步探討，利用此項技術，不再需要計算機作為主機，就能實現在pda 、移動電話、印表機、數碼相機等嵌入式應用之間直接互聯通信；另外也對廣泛用於語音處理和靜態圖像處理的tms320vc5402其它方面的應用進行了嘗試，比如直接控制液晶顯示器等。
  17. In order to verify the feasibility of the present method, chapter 3 takes the fluid flow of sphere, cylinder and the additive mass of two spheres as three examples, finishes the calculation by disposing the source or sink whose strength is expressed as the format of nurbs and emphatically the processing of the singular integral. it can be drawn from the comparison of the results of present method and the theoretical solution, i. e. a good precision can be gotten under a few collocation points with the method

    為了考查本文方法的可行性，第3章以圓球體繞流、圓柱繞流以及兩個等圓球體在流場中的附加質量作為例子，通過在物體表面布置強度以非均勻有理b樣條表達的源匯和著重對奇異積分的處理后完成了相應的計算，從與理論解的比較可以看出本方法的優越：在數目很少的配置點下數值解可取得十分良好的精度。
  18. Numerical simulations were carried out to investigate the effects of the ratio of surface to volume on the two phenomena

    並研究了微管道表面積與體積之比值對亞堵塞臨界壓比的影響。
  19. 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、比表面積、顆粒形貌、包覆率、堆積密度和吸油值的檢測，表明三轉子連續改性機的分散和改性效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比試驗表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，同時又具有生產成本低的優勢。
  20. The variation rules of grain size and specific surface area of silicon carbide in ultrafine grinding

    碳化硅超細粉碎粉體粒度與比表面積的變化規律
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