您要查找的是不是:
- The microstructure and the properties of nickel diffusion layer were also investigated. 同時,對擴散層的組織和性能進行了研究。
- Thermal diffusion Crust: make use of the top grade aluminum alloy of the curst, faster scatter thermal diffusion. 散熱外殼:採用高檔鋁合金外殼,更加快速散熱。
- We report a new chemical thermal diffusion method for permeating 45 steel with zirconium. 本文首次報道了用氣相法對45鋼表面滲鋯。
- The characteristics of so-called silicon diffusion layer were analyzed through EPMA and hardness test. 通過成分分析(EPMA)和硬度測試, 分析了硅擴散層的特徵。
- SO_4~(2-) ions can hardly enter into Stern layer and SO_4~(2-) ions adsorbed byC-S-H surface distribute in the diffusion layer for the main. SO_4~(2-) 離子很難進入吸附層,被吸附的SO_4~(2-)離子主要分佈在擴散層中。
- A noninvasive method of measuring the blood flow rate in the cutaneous tissue by the thermal diffusion between the skin and a metal is described. 介紹了一種利用人體皮膚和接觸導體的熱傳遞來無創測量局部皮膚組織中血液流速的方法。
- The gas diffusion layer of air electrode was prepared by the rolling method with acetylene black and 60% PTFE emulsion as raw materials. 以乙炔黑、60%25PTFE乳液為原料,用輥壓法製備空氣電極的氣體擴散層。
- Until now, there have been many attempts to increase fuel cell performance by developing or modifying the gas diffusion layer (GDL). 直到現在,已有許多研究證實,改良氣體擴散層的碳微孔層性質可以促進燃料電池的性能提升。
- Moreover,metallograph examination and hardness measuring are made for the specimens and electronic probing imposition for the diffusion layer. 結果表明,在共析溫度以下進行催滲氮碳共滲,具有滲速快、滲層硬度高的特點;
- The application of laser technique in checking nanometer material is introduced,and amethod for checking the thermal diffusion rate of nanometer material is given. 介紹激光技術在檢測納米材料中的應用,給出了檢測納米材料熱擴散率的一種方法。
- Gas diffusion layer (GDL) is one of the most important electrode components in proton exchange membrane fuel cell (PEMFC). 在質子交換膜(PEM:Proton Exchange Membrane)燃料電池中,氣體擴散層(GDL:Gas Diffusion Layer)是電極的重要組成部分,其結構和性能參數對電池的綜合性能有重要的影響。
- Thermal diffusion sherardizing is widely used by its good rust-resistance, whichwas developed as a new metal surface disposal technology at beginning of last century. 熱擴散滲鋅作為上世紀初發展起來的一項金屬表面處理技術,以其良好的耐腐蝕性而得到廣泛應用。
- By using the larger porosity of the gas diffusion layer, it can effectively prevent the anode side of the membrane from being dry, the cathode side of the membrane from flooding. 當使用孔隙度較大的氣體擴散層,可以防止薄膜靠陽極側乾化,薄膜靠陰極側淹水,並可把各層達穩態的時間縮短。
- In materials marked by low thermal diffusivity, the absorption is good. 熱擴散率低的物質吸收性好。
- The sublayer sandwiched between gas diffusion layer (GDL) and cat alyst layer can reduce water saturation in the catalyst layer and optimize gas and water transport. 在催化層和擴散層之間加入的擴散亞層能夠減小催化層的水飽和度,優化擴散層中的水和氣傳輸。
- The results show that the catalytic cementation nitrocarburizing below the eutectoid temperature has a rapid penetrating rate and high hardness for the diffusion layer. 化合物層隨催滲溫度升高而增厚,緻密性提高;
- Influence of Stress on Thermal Diffusivity by Laser Photothermal Technique[J]. 引用該論文 王培吉;張仲;范素華.
- The relationship of the process parameters to the depth of diffusion, concentration of titanium in the diffusion layer and the microstructure of titanizing layer are studied. 探討了工藝參數與滲層厚度的關係,滲鈦層組織特徵,滲層鈦濃度分佈。
- Nanoscale biological systems operate in the presence of overwhelming viscous drag and thermal diffusion, thus invalidating the use of macroscopically oriented thinking to explain such systems. 本研究目標為設計與製作一機器人,使其能騎乘一般自行車,此機器人包含骨架部分、傳動機構、肢體連桿部分及控制系統。