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- Determination of gas diffusion coefficient of rock in the condition of water-saturated 飽和水條件下天然氣在巖石中擴散系數的測定
- Study on the measurement of coal particale gas diffusion and diffusion coefficient 煤粒瓦斯擴散及擴散系數測定方法的研究
- Keywords gas diffusion model;third kind boundary condition;Biot's criterion of mass transmission;diffusion coefficient;Fourier's criterion of mass transmission; 瓦斯擴散模型;第三類(lèi)邊界條件;傳質(zhì)畢歐準數;傳質(zhì)傅立葉準數;
- Keywords gas diffusion through coal particles;the third Kind boundny condition;mass transfer biot criterion;diffusion coefficient;surface mass transfer coefficient; 煤粒瓦斯擴散;第三類(lèi)邊界條件;傳質(zhì)畢歐準數;擴散系數;表面傳質(zhì)系數;
- Because natural gas and water have different relaxation time and diffusion coefficient,we can use DSM and SSM to identify them. 由于天然氣和水的弛豫時(shí)間和擴散系數的差異,可以利用差譜分析法(DSM)和移譜分析法(SSM)來(lái)識別天然氣。
- The moisture diffusion coefficient was increased at the early drying sta... 隨后,隨含水率逐漸降低呈逐步減少趨勢。
- The diffusion coefficient of RaA atoms,being 0.071cm~2/s,was determinedusing two-filter wall deposition method. 采用壁沉積方法;測得 RaA 的擴散系數 D=0.;071cm~2/s。
- A dynamic model of gas diffusion without wind is established according to the Grads Theory. 在限定容器中氣體介質(zhì)是中性氣體的情況下，由于中性氣體在擴散過(guò)程中各向同性，擴散方程獲得了簡(jiǎn)化。
- The longer time and the bigger convection and diffusion coefficient was,the bigger the polluted region. 作用時(shí)間越長(cháng),擴散系數越大,污染物影響范圍越大,質(zhì)量濃度值越高。
- The PTFE is effective as a binder and imparts hydrophobicity to the gas diffusion regime of the electrode. 聚四氟乙烯是有效的粘合劑和柔軟劑疏水的氣體擴散制度的電極。
- Results Increasing vascular permeability coefficient P and the drug diffusion coefficient D, AUC will increase. 結果增大腫瘤間質(zhì)中毛細血管對藥物的通透性P，提高藥物在腫瘤間質(zhì)的擴散系數D，AUC的值均增大。
- There it is transformed into uranium hexafluoride, which in turn is sent to gas diffusion plant to be enriched. 在那里它被轉化為鈾的六氟化物，再被送進(jìn)氣體擴散工廠(chǎng)作富集處理。
- The effective diffusion coefficient and rate constant of intraparticle transport were calculated. 求出了顆粒內有效擴散系數和顆粒內擴散速率常數。
- Diffusion coefficient can be deduced from matano method using electronic microprobe. 采用電子顯微探針?lè )?，“俁野”數值方法推導出擴散系數。
- It was found that the shape of absorption signal was controlled by the property of the analyte, the sample vaporization rate and the gas diffusion rate. 結果表明,吸收信號形狀由被測元素的性質(zhì)、樣品氣化速率和原子蒸氣擴散速率決定。
- The impurity concentration profile depends on epitaxy growth velocity, growth time and impurity diffusion coefficient. 如果雜質(zhì)的擴散系數很小，雜質(zhì)在外延層中的深度分布是均勻的。
- Acid red B (ARB) solution was electrolyzed in a single-chamber cell and a two-chamber cell using Pt/C gas diffusion electrode (GDE) as cathode. 采用Pt/C氣體擴散電極(GDE)為陰極;對酸性紅B溶液進(jìn)行單室電解和雙室電解.
- The effective diffusion coefficient of water-solubility chloride ion in GBC concrete is 17% of that in the OPC. GBC混凝土比普通混凝土具有更強的抗氯離子擴散性能，其水溶性氯離子有效擴散系數只有普通混凝土的17%25。
- 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,用輥壓法制備空氣電極的氣體擴散層。
- At the same sintering temperature, the diffusion coefficient during the PCH process is larger than that of HP. 燒結溫度越高，元素的相對擴散系數越大；相同燒結溫度下，PCH樣品的相對擴散系數要高于HP樣品，即PCH過(guò)程中原子擴散要快于HP過(guò)程。
