表面體積 的英文怎麼說

中文拼音 [biǎomiàn]
表面體積 英文
surface volume
  • : 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...
  • : 體構詞成分。
  • : 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...
  • 表面 : surface; superficies; boundary; face; rind; sheet; skin; outside; appearance
  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/液吸附系,首次提出了根據吸附分子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活性劑分子的膠團吸附.由此,吸附質的相濃度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/固系分配系數等,為溶質吸附的熱力學研究奠定了基礎
  2. The catalyst vendors came out with a catalyst incorporating a low surface area, high purity alumina carrier.

    催化劑出售商供應了一種具有小,純度高的氧化鋁載催化劑。
  3. Construction of a mass concrete is in the construction process, because of cement let out in large quantity hydration heat and surface of a mass concrete let out heat, make its temperature, humidity cause to ascend and descend, and it causable constringency transform will be unavoidable

    混凝土結構在施工過程中,由於混凝土中水泥熟化時放出大量的水化熱及其隨后的散熱,使其溫度、濕度出現升降變化,並由此而引起的收縮變形將是無法避免的。
  4. That is the premise of the bg / ha electrophoresis codeposition. the laws of the electrophoresis deposition of the bg and ha partic les were found by the study on each of their deposition under the different conditions. the electrophoresis codeposition of the bg and ha particles had been studied and the bg / ha graded coating, which is compact in the bottom layer and porous near the surface layer, had been prepared on the surface of the dental implant after the low temperature heat treatment ( about 740 ) and fast firing ( 50 - 80 / min, heat preservation time was 5 - 8min. )

    以bg微粉和ha微粉作為塗層原料,通過研究bg和ha微粉在非水介質中的分散情況和帶電特性,選擇冰醋酸為介質,使分散在其中的bg顆粒和ha顆粒均帶上正電荷,為電泳共沉提供前提條件;通過對不同條件下bg 、 ha各自電泳沉的研究,探索出了兩者電泳沉的規律;通過對bg和ha在冰醋酸中電泳共沉以及后續低溫( 740左右)快燒( 50 ? 80 min ,保溫5 ? 8min )熱處理的研究,在鈦合金牙根種植上成功制備出了底層緻密而層多孔的bg ha梯度塗層。
  5. Crista ( pl. cristae ) the structure formed by folding of the inner mitochondrial membrane, giving a large surface area for electron transport

    嵴(嵴膜) :線粒內膜向內室褶疊形成的結構,可以為電子傳遞提供更大的
  6. This film is deposited on the surface of the glass by evaporating crystals, use of cryolite or magnesium fluoride, in a vacuum.

    塗敷薄膜時,通常是將玻璃置於真空之中,然後使冰晶石或氟化鎂晶氣化,令其沉于玻璃上。
  7. The film is deposited on the surface of the glass by evaporating crystals, usually of cryolite or magnesium fluoride, in a vacuum.

    塗敷薄膜時,通常是將玻璃置於真空之中,然後使冰晶石或氧化鎂晶氣化,令其沉于玻璃上。
  8. Demonstsatos for showing the edge liness and the area of the cuboid

    長方棱長與演示器
  9. Nitridation of large silicon surfaces at low temperatures by electron cyclotron resonance plasma

    等離子對硅的低溫大氮化
  10. Because the skin excretes melanin, which will come out absorb the uv rays from sun and darken the skin, but the hair doesn ' t, it can only decompound melanin

    答案一,人會在皮膚增加黑色素的沉,阻擋陽光中的紫外線深入皮膚內層,但是頭發沒這本事,只會分解黑色素。
  11. For electrodeposition by dc methods, the metals deposite uninterrupted and the particles were also embeded uninterrupted into the coatings ; for electrodeposition by pc method, the particles with biggish volume were desorbed from the coatings and returned to the electrolyte again owing to the presence of pulse interval ; for electrodeposition by prc method, the particles carried positive charges are much more easy to desorb from the coatings owing to the effecf of reverse pulse current combined with pulse interval, in addition, the reverse pulse current also could dissovle the metals, further accelerates the desorption of particles, thus the particles size embeded in the coatings by prc method is the least

    直流電沉時,基質金屬的沉連續進行,粒子在電極不間斷嵌入鍍層;單脈沖電沉由於脈沖間歇的存在使得具有較大的粒子會脫附,重新回到溶液中;採用周期換向脈沖時,反向脈沖電流使荷正電的較大的粒子更易從電極脫附,同時,反向脈沖電流對基質金屬的溶解作用,也會促進粒子的脫附,因此鍍層中復合粒子尺寸最小。隨著鍍層中粒子復合量的增加,三種鍍層的晶粒都明顯細化,說明al _ 2o _ 3的存在阻止了晶粒的長大,提高了電沉過程中晶核的形成速率。
  12. By infrared spectrum study, the limonite ( feooh nh2o ) can be considered the main colorating mineral in the yellow and red jadeite, and the hematite is another colorating mineral in the red jadeite. the difference of color tone is due to the n value in the molecular formula feooh nh2o and the content of crystal water and adsorbent water. the iron ion came from the effloresced and eroded rocks, and formed fe ( oh ) 3 colloid reacted with the surface water

    周圍礦床的風化蝕變為生水提供了鐵質,形成弱酸性的含fe ( oh ) _ 3膠的水溶液,生水流經翡翠礦石時, fe ( oh ) _ 3膠附著在巖石的,經過脫水結晶和吸附,形成褐鐵礦膠,褐鐵礦膠沿裂隙或鬆散的礦物顆粒進入翡翠巖石中,逐漸累沉澱,形成次生色層。
  13. 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;使用比較大的鐵網陽極;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。具工藝參數是: 14 16mol / lnaoh溶液、溫度303 308k 、觀陽極電流密度300a m ~ 2 、有效單位電解速度6 . 0a / l 。
  14. Tensile properties and impact properties measurements were done at room temperature. the volume resistivity of rectangular samples was measured using a zc36 electrometer and a high 240a voltage supply, for samples with a low resistivity level a dt - 9205b digital multimeter was used, silver paint was applied to ensure complete contact between sample and electrodes, namely, to eliminate the contact resistance. the phase morphology of blends was also studied using a jeol jsm - 5900lv scanning electron microscope ( sem )

    電阻率的測定:當r _ v 10 ~ 8時,製成100 100 4mm板材,用zc36型高阻儀測量;當r _ v 10 ~ 8時,用dt - 9205b型數字式萬用測試試樣的電阻,為了減小接觸電阻對測試的影響,採用銀導電膠將銅片粘接在試樣的兩個端上,靜置24小時,待銀導電膠凝固,試謝長瓊:熱拉仲對pet / pe / cb復合導電系形態和性能的影響樣的電阻穩定后再測量。
  15. 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、晶結構、雜質含量、顆粒大小、比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。
  16. 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 . ) ) ,形態解剖方的變化現為:隨日齡增加,根長/株高比值日益增大;根系逐漸發達;與葉比逐漸增大;皮細胞變小;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;葉結構常為典型旱生結構? ?等葉;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。
  17. For same mineral, desorption of 125i " on it was weaker than 125io3 ", and sorption of 125i i25io3 " on galenite is irreversible. apparent diffusion coefficient da of 125i " in the mixed material were determined by the pass - through diffusion way, da values under atmosphere was given : da = 7. 29x10 - 12m2 ? s - 1

    大氣條件下,隨系固液比的減小,固相的量相對在下降, 125i -在礦物材料上的kd值減小;隨材料粒度的減小,材料的比增加, 125i -在礦物材料上的kd值有所增加。
  18. The potential energy surface scan tells us that the lithium into or out of the graphene layers is the charge - discharge process of li - ion secondary batteries which concurs with the continuous charge transfer between lithium and the graphite layers which synchronizes with the shift of the graphite layer stacking sequences between the abab type and the relatively stable aaaa type

    計算結果顯示,鋰離子嵌入碳層的過程中同時伴隨著鋰和石墨間發生電荷連續轉移,同時石墨碳層堆方式由aaaa型變為abab型,二者協同進行,最終嵌鋰石墨相對于鋰在石墨系較穩定。
  19. The coating nano - metal materials are prepared by physical adsorption, surface deposition, arc discharge, plasma polymerization, laser cvd and emulsion polymerization

    其制備方法主要有物理吸附法、法、電弧放電法、等離子聚合法、激光化學氣相沉法、乳液聚合法等。
  20. This course covers sediments in the rock cycle, production of sediments at the earth ' s surface, physics and chemistry of sedimentary materials, and scale and geometry of near - surface sedimentary bodies, including aquifers

    本課程涉及到巖石循環中的沉物,在地球物的產生,沉物的物理和化學性質,和近地的規模和形狀,包括含水層。
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