specific surface area method 中文意思是什麼

specific surface area method 解釋
地表面積法
  • specific : adj 1 特殊的；特有的；特定的，專門的。2 明確的，具體的。3 【生物學】種的；【細菌】專性的。4 【醫...
  • 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...
  • area : n. 1. 面積；平地；地面。2. 空地；〈英國〉地下室前的空地。3. 地區，地方；〈比喻〉區域；范圍。
  • method : n 1 方法，方式；順序。2 （思想、言談上的）條理，規律，秩序。3 【生物學】分類法。4 〈M 〉【戲劇】...
  1. Method for specific surface area of chrysotile asbestos

    溫石棉比表面積測定方法
  2. 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 。
  3. Carbon black used in rubber products - determination of specific surface area - ctab test method

    橡膠用炭黑比表面積測定
  4. A rapid and simple method, stearic acid method was also developed to prepare nanostructured tio2 composites. microstructure of the samples was investigated by xrd, ft - ir, tem and bet specific surface area measurement and the results were compared with those obtained by conventional sol - gel method. it was found that nanocrystalline powders with good dispersity, high crystallinity and large specific surface area were successfully prepared by stearic acid method

    採用硬脂酸法快速、方便地制備了微結構可控的al _ 2o _ 3 、 sno _ 2復合納米tio _ 2 ，並與sol - gel法產物相比較， xrd 、 ft - ir 、 tem結果表明：硬脂酸法制備的復合納米tio _ 2表面貧羥基，具有良好的分散性、更高的比表面積，且可通過改變復合量對摘要博士論文產物晶型和粒徑進行控制。
  5. Using the dyeing method, the surface area of xi ' an loess particles is firstly determined ; the result is clay particles have a huge specific surface area

    首次利用染色法測定了西安黃土顆粒的表面積，表明粘土顆粒具有巨大的比表面積。
  6. Determination of the pore size distribution and the specific surface area of mesoporous solids by means of nitrogen sorption - method of barrett, joyner and halenda

    氮吸附法測定中孔性固體的孔徑分佈和表面積比. barret
  7. Abstract : a method for preparation of rare earth oxides with high specific surface area was described. hydrazine - containing rare earth oxalates as the precursors were synthesized by using rare earth oxalates and hydrazine. the specific surface area of rare earth oxides made by the method described in this paper is higher than that by the usual method

    文摘:利用肼（或肼鹽）易分解同時釋放大量的熱和氣體這一特點，將肼（或肼鹽）添加到草酸稀土中去，熱分解含肼稀土草酸鹽可制得比表面積較常法制備的大得多的稀土氧化物。
  8. Ultrafine a - ahoa powder with average crystalline size of 27nm and spherical secondary partical shape of 40nm has been prepared by the method of adding dispersant before reaction. after discussing the agglomeration mechanism, the paper studies the way to eliminate the hard agglomeration. it thinks that main reasons to lead to agglomeration are larger specific surface area and high reactivity of nanopowder

    認為導致團聚的主要原因是：納米粉體顆粒的表面有許多斷鍵，相互之間或與其它物質之間容易產生毛細管力、氫鍵、化學鍵等多種作用力，在採取措施消除團聚的過程中必須全方位考慮，實現全程式控制制。
  9. Determination of specific surface area of solids by adsorption of nitrogen ; single - point diffenrential method according to haul and duembgen

    用氮的吸收法測定固體比表面面積. haul及duembgen的單
  10. Standard test method for single - point determination of specific surface area of catalysts and catalyst carriers using nitrogen adsorption by continuous flow method

    連續流動法單點測定用氮吸附的催化劑和催化劑載體比表面積的標準試驗方法
  11. The dispersion of the modified nano - sized caco3 in the pvc matrix was observed in tem ( transmission electron microscope ). the influences of surface treatment and the contents of nano - sized caco3, extrusion technology and other additives on the properties of the composites were investigated. the results show that the surface treatment of the nano - sized caco3 particles with wet method enlarged the specific surface area and reduced the surface energy of the particles, and made the particles dispersed at the nanometer level in the pvc matrix, which improved the mechanical properties of the composite

    本課題為了解決納米caco _ 3在pvc中的分散問題，對納米caco _ 3粒子進行了濕法處理，採用雙螺桿擠出法制備出具有良好性能的pvc -納米caco _ 3復合材料；對復合材料的力學性能和加工性能進行了測試；利用tem （ transmissionelectronmicroscope ，透射電子顯微鏡）觀察了納米caco _ 3粒子在pvc基體中的分散情況；討論了納米caco _ 3的表面處理方法、納米caco _ 3的含量、復合材料的制備工藝以及各種助劑對復合材料各項性能的影響。
  12. Standard test method for metal powder specific surface area by physical adsorption

    物理吸收法測定金屬粉末特定表面積的標準試驗方法
  13. Standard test method for advanced ceramic specific surface area by physical adsorption

    用物理吸收法測定高級陶瓷比表面積的標準試驗方法
  14. Determination of specific surface area of uranium dioxide powder by multipoint bet method

    二氧化鈾粉末比表面積測定多點bet法
  15. Determination of the specific surface area of powders solids by gas adsorption method

    氣體吸附法測定粉末固體的特定表面面積
  16. Determination of the specific surface area of solids by gas adsorption using the bet method

    氣體吸附bet法測定固態物質比表面積
  17. Measuring methods for the specific surface area of fine ceramic powders by gas adsorption using the bet method

    Bet法進行氣體吸附測定細陶瓷粉末表面積的方法
  18. Several kinds of carbon - black were compared. superconductive carbon - black of ideal structure, larger specific surface area and fewer ash were selected as main conductive filler. at the same time, experiments were made on the different formulations, and the methods of mixing were compared. finally, a reasonable processing method, which kept a stable and even conductivity of the plastic product, was confirmed

    通過對幾種炭黑性能進行分析，選擇了結構性高、比表面積大及灰份含量少的超導炭黑做為主要導電填料進行配方系列化實驗，又對其共混方法進行比較，選擇合理的工藝路線使產品的電性能均勻穩定。
  19. Bet determination of the specific surface area of powders - bet method of gas adsorption for solids including porous materials

    粉末比表面積的測定.第1部分:氣體表面吸附
  20. Metallic powder - determination of the specific surface area - method of nitrogen adsorption

    金屬粉末比表面積的測定氮吸附法
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