w surface 中文意思是什麼

w surface 解釋
w曲面
  • w : （pl W s w s ）1 英語字母表第二十三個字母。2 W 字形物。3 〈W〉 【化學】元素鎢 （wolfram） 的符號...
  • 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...
  1. The microemulsion - mediated synthesis of hydroxyapatite offers the unique ability to control particles size, morphology and surface properties. aot / isooctane / water microemulsions admit to form spherical water cores, which in diameter depends linearly on the water content w ( water - surfactant molar ratio )

    Aot異辛烷水體系可以產生穩定的球形的水核，並且其水核的直徑與體系的含水量w （水與表面活性劑aot摩爾濃度之比）呈對應關系。
  2. According to the i - t curves of potential step, it was revealed that electrocrystallization of ni - w - b alloy on glassy carbon followed the mechanism of instantaneous nucleation and three dimensional growth with diffusion controlled. the crystal nucleus number on the surface of electrode raised by the increase of over potential

    根據電位階躍的i t曲線分析得知，在玻摘要碳電極上ni wb合金電結晶過程遵從擴散控制瞬時成核三維成長模式進行，且隨著過電位的增加，電極表面上晶核數增多。
  3. The components, microstructure, luminousness, thickness and surface topography of the films were analysised via xrd, uv ? vis, xps, ellipsometric examination and stm. the photocatalytic properties of these fims are characterized by the decomposition rate of methylene blue or rhodamine b. the effect of sputtering power, temperature, o2 mass flow, bias, w - doping and sputtering time on photocatalytic properties are discussed

    採用x射線衍射儀、紫外-可見光分光光度計、 x光電子能譜儀、薄膜厚度測試儀及掃描探針顯微鏡等測試手段，研究分析了薄膜的組分、結構、透光率、膜厚和表面形貌等。
  4. To dive from a stationary floating position while at the water surface, use the mouse to face downward and press w

    當你漂浮在水面上準備潛水時，需要你將頭低下並按w鍵才能成功。
  5. To dive from a stationary floating position while at the water ? surface, use the mouse to face downward and press w

    當你漂浮在水面上準備潛水時，需要你將頭低下並按w鍵才能成功。
  6. By taking advantages of epipolar line features and depth discontinuities in reference 中國科學院 軟件 研究所 博士 學位 論文 基于 圖 象 的 快速 繪制 技術 的 研究 images ， an efficient inverse wmping algorithm is pfoposed in chapter 3 for gcnerating nagcs of novel views by combining multiple eference images 帆 enhm different vie 呷 oints because continuous segnents determi 。 d by pairs ofedge pixels at co 。 spending epipolar lines are order kept ， only pairs of edge pixels in the reference 渝 明 e e necess 叨 口 cowute to obtain generalized disparity of all points in the desired image as a result ， sighficant acceleraion could be made in the endering pfo 比 鴕 two accelerating techiq 此 s e presented in this algori 山 mb accelerate the hole illing process his algorithm extends the reference images rom projection of single col ： ii ’ ected surface in previously developed nvnverse w 出 下 er to ima 驢 s captured rom complex scene in chapter 4 ， an 《 dent ibr method is prese 庇 仙 y takn ull 訕 antage of 呷 bies c 咖 the method can simulate the 3d details on sllri ： ace of object successfully he 。 叩 proach ， called rered ature mopmp consists of two pans at fst ， an origi 。 ltexture with orthogonal displacements per pixel is deco 啊 osed into a series of new t6 刀 mfcs with each 他 lug a given displacement per pixel ， called ae ， ea atures ， or lt hen hese lt e used to render the novel view by conventional texture mapping d avoid gaps n the endered hlla 驢 ， some phels are to be interpolated nd extended in the 廠 kaccoding to the depth differe eee between two neighbor pixels in the original texture as these ltlt fc … e much storage nd therefore much time is equired to install ltlt into the text ’ ufc buffec an 舊 thod is pfoposed to co 呷 fcss the ltlt ， nd the cottcspondingfclldering method is given experimental esults show that the new method is efficient ， especially n rendering those objects with a smaller depth rnge compared withtheir size ， such as relief surfaces of building

    與己有的三維變換方法相比較，該方法不但成功地填補了由於投影區域擴張而產生的第一類空洞，而且成功地填補了由於空間深度非連續物體相互遮擋而產生的第二類空洞，從而方便地實現了虛擬環境中的漫遊；基於物體表面深度的連續性，本文提出了一個位移預測方法? ?此方法可以從單幅參考圖象獲得逆映射過程中所需要的目標圖象的位移信息，從而大大提高了演算法的效率：與通常的正向映射演算法相比，此演算法克服了多幅參考圖象所帶來的計算量成倍增長等問題，而且誤差較小。 2 ）基於極線幾何的快速逆映射演算法。利用參考圖象的邊界信息與隱含的遮擋關系，以及極線幾何的性質，本文第三章提出了一個基於極線幾何的快速3 『一中國科學院軟體研究所博士學位論文基於圖象的快速繪制技術的研究逆映射演算法，從多幅參考圖象精確合成當前視點目標圖象。
  7. is the plane-wave propagation factor in the uppermost medium and w is the propagation factor of the surface wave.

    是最上部介質中的平面波傳播常數，而w是表面波傳因子。
  8. Three models are employed to analyze the aerodynamic characteristics of a wing above sea - wave. those are ( 1 ) curve surface effect ( c. e. ), ( 2 ) wavy air motion effect ( w. e. ) and the coupled effect a. e

    研究了曲壁面效應，波動效應以及壁面和波動綜合效應三種影響模式對二維和三維機翼在風浪中飛行時的氣動力性能的影響規律，指出了二維和三維機翼氣動力特性的共性和區別。
  9. A quantitative analysis on the surface of the plate composite membranes with various polymerization tune was made on the basis of the feature absorption to ir by means of attenuated total reflection - fourier transform infrared spectroscopy. the results showed that polyamide functional layer grew thick with the polymerization time going on. this indicates that the polyamide functional layer formed on the interface cannot separate the w / o phases to stop the reaction

    利用衰減全反射-傅立葉變換紅外（ ftir - atr ）對不同聚合時間的平板復合膜表面進行了特徵吸收定量分析，研究發現，聚酰胺功能層隨聚合時間不斷增厚，這說明已形成的聚酰胺功能層不能屏障兩相而終止反應，相反由於哌嗪單體的分子量遠低於納濾截留分子量的范圍，很易擴散穿過功能層達到兩相界面，繼續與有機相單體酰氯反應。
  10. Compared w ith t he c alculated r esults and monitoring data, to verify i f the p resent parameters can accord with the real situation of nanjing. the distribution of surface settlement trough is obtained by one - dimensional wave theory and calculation. the range of surface settlement trough coefficient is retrofitted

    通過對比peck法計算值和實測值，驗證現有的經驗參數是否能很好地滿足南京地區的實際情況，通過對實測曲線的擬合和數值計算得到沉降槽半寬度，從而改進了南京地區橫向地表沉降槽寬度系數k的取值范圍，有助於盾構法在南京地區的推廣和應用。
  11. The result shows the high performance concrete ( hpc ) with low w / b normally has denser surface, consuming the ca ( oh ) 2 by pozzolanic reaction and low permeability, which are allowed to restrain effectively the neutralization to decrease the cracking for better durability on concrete

    結果顯示，以低水膠比之高性能混凝土，介面頗為緻密，卜作嵐反應消耗氫氧化鈣，低滲透性等直接有效的抑制混凝土的中性化，可減低裂縫機率，進而提升混凝土的耐久特性。
  12. The usual measuring method, that is, to use the water temperature of 1 meter under water surface to adjust the spinning speed of the sounding device, will result in greater measuring errors. this article put forwards the mathematical model of water temperature with the vertical water temperature that was measured at the deepest site of six sections. after adjusting the sounding device w

    本文依據實測的6個斷面深泡點處的垂線水溫建立了水溫輔助測深數學模型，依據該模型即可得到保證回聲儀測深精度的水溫值，用該水溫值校正回聲儀后，便可得到斷面對應于各起點距處的水深值，從而解決了丹江水庫三維模型建立的關鍵問題。
  13. Dispersibility of w species on the surface of w tio2 catalysts

    2催化劑表面上鎢的分散性
  14. The surface dispersion of w species on w al - clm and w - al2o3 catalysts

    3催化劑上鎢的分散性能
  15. 2. the severe erosion is due to the bad skeleton intensity and isolated w particals, which results from the poor reduce of w surface oxidation. when the arc works, the capillary iv is poor, so cu is splitting greatly

    （ 2 ）嚴重燒損是由於w粉表面的氧化膜在燒結過程中不能很好的還原，致使骨架的燒結強度不高，大部分w顆粒以孤立的狀態存在，毛細作用微弱， cu很容易噴濺，在反復的開斷后， w顆粒剝離造成。
  16. Because the tungsten from the phosphotungstic acid could pull out and deposit on the surface of catalyst, and the electronegativity of mo - o is smaller than that of w - o. the smaller the electronegativity is, the higher oxidation activity is. thus phosphomolybdic acid shows better catalytic oxidation activity than phosphotungstic acid

    由於磷鎢酸中的鎢可以脫出並少量沉積到催化劑表面，而且從電負性來說mo - o的鍵能小於w - o ，鍵能小的雜多酸有較強的氧化性，所以鉬系雜多酸催化活性要好於鎢系雜多酸。
  17. The w or y, with three legs, have a total surface area of 113 square inches

    型或者是y型，有三段，則輻射面積為113平方英寸。
  18. ( 2 ) making use of some measure methods of field and indoor, the geostress status in the engineering rockmass has been ascertained and the systematic recognition of the geostress field in the area has been attained : the direction of a l in the area is n50 ? ~ 86 ? w, and the included angle between the direction of o, and the horizontal surface is 25 - 45 ? on the whole

    （ 2 ）通過現場和室內測試，查明了工程區巖體的空間應力狀態，獲得了整個隧道工程巖體內地應力的空間發育分佈規律的系統認識。研究表明，本區最大主應力_ 1的（水平投影）方向為n50 ? 86 w ，與水平面的夾角總體上介於25 - 45之間。
  19. Consideration of the poor cytocompatibility of pla materials and excellent properties of polymeric particles, pla materials were modified by embedding with polymeric particles and the cytocompatibility of modified pla materials was studied in this work. polymeric microspheres or nanospheres with a core - shell structure and different surface characters were prepared by using different materials as the surfactants and low - molecular - weight pla as the core materials via o / w solvent evaporation

    本文針對聚乳酸組織工程材料存在的生物相容性問題以及聚合物微球的優異性能，從一種新的設計手段出發，採用聚合物微球表面改性聚乳酸組織工程材料，構建得到功能微球改性聚乳酸組織工程材料表面，並研究改性后的聚乳酸組織工程材料表面的細胞相容性。
  20. In this dissertation, first, based on the theory of w - n gearing, characteristic of tooth profile as well as the processing principle of helical bevel gear, a cutting meshing analysis about double circular arc profile bevel gear was carried out, the equation of meshing in the process of cutting tooth, the surface equation of generating gear as well as the general tooth surface equation of double circular arc profile bevel gear were obtained

    本論文首先根據雙圓弧齒輪傳動的嚙合理論，結合其齒形特點和弧齒錐齒輪的加工原理，進行了雙圓弧弧齒錐齒輪的切齒嚙合分析，得到了切齒嚙合過程中的嚙合方程、產形輪齒面方程以及雙圓弧弧齒錐齒輪的通用齒面方程，為下一步生成雙圓弧弧齒錐齒輪的三維模型打下了基礎。
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