surface density 中文意思是什麼

surface density 解釋
表面積密度
  • 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...
  • density : n. 1. 稠密；濃厚。2. 【物理學】濃度；密度；比重。3. 愚鈍，昏庸。
  1. Antigen density on the tumor cell surface influences the cytotoxic sensitivity.

    瘤細胞表面的抗原密度影響細胞毒的敏感性。
  2. The results showed that the fluorescent intensity of dph decreased and the fluorescent intensity of mc540 increased under sound stimulation, which indicated that the vesicles got looser, the charge density of membrane surface and the plasmalemma hydrophobicity decreased but the membrane fluidity increased

    結果表明，聲波刺激使標記質膜的dph熒光偏振值降低、 mc540熒光強度增加。表明一定強度和頻率的聲波刺激使質膜變的疏鬆，膜表面電荷密度降低，疏水性降低，流動性增加。
  3. 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 。
  4. Michell computed that a body 500 times the radius of the sun and of the same density would have at its surface an escape velocity equal to the speed of light, and therefore would be invisible

    米切爾計算一個500倍太陽半徑而且具有相同密度的物體就會具有它的表面逃逸速度等於光速，而因此不可見。
  5. Surface magnetic flux density

    表面磁通密度mt
  6. The brightness temperature is highly related to the density of ice hydrometeor. since the convective cloud system is tilted, and the viewing angle is oblique, the area displacement between ice hydrometeor and the surface rainfall rate makes the relation between tb and surface rainfall rate is relatively small

    但亮溫和地面降水強度之間的相關性較弱，這是由於該對流系統為傾斜的，冰相粒子和地面降水強度之間存在著位置上的不一致，並且觀測角為傾斜的。
  7. Abstract : the effect of correction of self - consistent potential on electronic structure in simple cubic nanocrystal particles is calculated by means of the green ' s function method in the tight - binding approximation, taking only the nearest neighbor matrix elements into account. the numerical results show that the electronic energy spectrum is shifted, the chemical potential is not equal to the atomic energy level, the electronic density at each lattice point is changed, and the variation of electronic density at surface lattice point is the largest

    文摘:在緊束縛近似下，只計及最近鄰的矩陣元，採用格林函數計算了自洽勢修正對簡立方納米晶體顆粒的電子結構的影響，發現電子能譜發生了移動，化學勢不等於格點原子能級，各格點的電子密度也發生了變化，其中以表面格點的電子密度變化最大。
  8. Then, the associated search optimal algorithm based on virtual avl tree is promoted to rapidly reconstruct the half - edge topological structure. 3. to rebuild the tooth surface from the littery measure data, the membrane deformation algorithm based on loop subdivision is given to fit density triangle meshes to subdivision surface

    前者巧妙、高效地完成了去除冗餘點的工作，將stl數據的存儲尺寸壓縮為原來的18 % 25 % ;後者完成了數據的半邊拓撲重建，使得后續對于邊界邊搜索、 1環鄰域搜索顯示出較好的優勢，實現了三角網格模型的快速拓撲重建。
  9. The carbon nanotubes ( cnts ) are attractive materials for electrodes of supercapacitors due to their superb characteristics : chemical stability, low mass density, low resistivity, and large specific surface area

    納米碳管導電性好、比表面積大、微孔集中在一定范圍內，從理論上講是製作超級電容器的理想材料。
  10. Piezoelectric sensors, commonly known as quartz crystal microbalance, are sensitive to multiple signals such as the surface mass and the viscosity, density, dielectric effect, conductivity of the liquid

    壓電傳感技術則是一種比較成熟的傳感技術，可響應石英晶體表面的質量變化及溶液粘度、密度、介電常數、電導率等參數。
  11. It is found that mld based on a temperature change from the ocean surface of 0. 5 degree celsius is deeper, especially from jan. to apr., while mld based on a variable density change from the ocean surface with a temperature change of 0. 5 degree celsius is shallower

    分析表明，基於溫度階躍0 . 5得到的mld較深，尤其在1 4月，這可能主要是因為沒考慮mld此時受到的鹽度變化的影響；基於溫差為0 . 5對應的密度定義的mld最淺。
  12. Using water - soluble carbodiimide as condensation agent, biomacromolecules such as gelatin, collagen and chitosan were covalently grafted on the plla - g - pmaa membranes. solution of the biomacromolecules was further coated on the above membranes to increase the surface density of the biomacromolecules. this technology was designated " grafting and coating " method

    為了將生物大分子化學接枝于plla膜表面，首先在plla膜表面接枝pmaa ，將羧基引入plla表面，利用水溶性碳化二亞胺edac作為縮合劑，與含有氨基的生物大分子反應，可將生物大分子如明膠、膠原和殼聚糖化學接枝在plla膜表面。
  13. Their antistatic performances were determined using methods of electrification voltage by friction and surface density of charge

    採用摩擦起電電壓法和電荷面密度法，對其進行了抗靜電性能測試。
  14. Experimental results indicated that surface density of charge of the acrylic fabrics contained 7. 68 % of the stainless steel filament decreased by 96. 11 % as compared with the pure acrylic fabric

    與純腈綸織物相比，加說7 . 68 %不銹鋼長絲的腈綸織物的電荷面密度降低96 . 11 % 。
  15. The main crack of tiaohu formation are straight oblique - cracks and level crack, there are many scores in the crack. the length of cracks is long, and they cut across several layers. the average surface density of the cracks is 0. 101 slips / m. the cracks in lucaogou formation is mostly net cracks, and there are solution on crack surface

    條湖組的裂縫多為平直的斜交縫和水平縫，縫面多見擦痕，延伸長度大，切穿多套地層，裂縫面密度平均為0 . 101條米；蘆草溝組裂縫多為網狀裂縫，縫面有溶蝕現象，多存在於碳酸鹽巖內，裂縫面密度平均為0 . 143條米。
  16. Eight concrete samples of different compound ratio of artificial lightweight aggregate ( coarse aggregate of expanded shale ) and ordinary aggregate, water - reducing admixture, expanding admixture, etc, are compounded firstly, based on the research of main properties such as agitating property, strength, dry surface density and deformation, an optimum compound ratio of the concrete with high strength ( cl40 ), light density ( 1800 ) and slight expand is achieved

    首先，採用人造輕骨料（頁巖陶粒）及普通骨料，加入減水劑、膨脹劑等，配製出了八種不同配合比的輕骨料砼與普通砼，並對其和易性、強度、干表觀密度、變形等主要性能進行了試驗研究，得到了強度等級cl40 ，密度等級1800的輕骨料中高強度微膨脹砼最佳配合比。
  17. The surface density of galaxies in a cluster can be measured from photographs.

    一個星系團中星系的表面密度可從其照片上測得。
  18. Textiles. tests for fabrics. method for the determination of the surface density

    紡織品.織物試驗.表面密度的測定方法
  19. . aluminium and aluminium alloys - anodizing - determination of mass per unit area surface density of anodic oxidation coatings - gravimetric method

    鋁和鋁合金.陽極氧化.陽極氧化塗層單位面積
  20. . en 12373 - 2 aluminium and aluminium alloys. anodizing. part 2 : determination of mass per unit area surface density of anodic oxidation coatings. gravimetric method

    鋁和鋁合金.陽極化.第2部分:陽極氧化物層單位面積質量的測定
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