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- Molecular dynamics simulations have been carried out for mixtures of Lennard-Jones fluids. Selfdiffusion coefficients and mutual diffusion coefficients have been obtained for Ar and Ar/Kr mixture. 採用分子動力學(MD)模擬的方法;計算了模型流體氬及氬/氪溶液的自擴散係數和互擴散係數;及其與溫度的關係.
- Prediction of mutual diffusion coefficients in polymer solutions using UNIFAC-relat-ed activity coefficient model UNIFAC-ZM活度係數模型預測聚合物溶液中溶劑擴散係數
- The moisture diffusion coefficient was increased at the early drying sta... 隨後,隨含水率逐漸降低呈逐步減少趨勢。
- Since a mutual diffusion between adhesive layer and matrix and a innerstress on interfaces exist,there is a optimal thickness of adhesive layer in composites. 由於聚合物粘接層和基體聚合物的相互擴散以及界面內應力的存在,複合材料中存在一個最佳的聚合物粘接層。
- The diffusion coefficient of RaA atoms,being 0.071cm~2/s,was determinedusing two-filter wall deposition method. 採用壁沉積方法;測得 RaA 的擴散係數 D=0.;071cm~2/s。
- The longer time and the bigger convection and diffusion coefficient was,the bigger the polluted region. 作用時間越長,擴散係數越大,污染物影響範圍越大,質量濃度值越高。
- Results Increasing vascular permeability coefficient P and the drug diffusion coefficient D, AUC will increase. 結果增大腫瘤間質中毛細血管對藥物的通透性P,提高藥物在腫瘤間質的擴散係數D,AUC的值均增大。
- The effective diffusion coefficient and rate constant of intraparticle transport were calculated. 求出了顆粒內有效擴散係數和顆粒內擴散速率常數。
- Diffusion coefficient can be deduced from matano method using electronic microprobe. 採用電子顯微探針法,「俁野」數值方法推導出擴散係數。
- The impurity concentration profile depends on epitaxy growth velocity, growth time and impurity diffusion coefficient. 如果雜質的擴散係數很小,雜質在外延層中的深度分佈是均勻的。
- 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係數只有普通混凝土的17%25。
- At the same sintering temperature, the diffusion coefficient during the PCH process is larger than that of HP. 燒結溫度越高,元素的相對擴散係數越大;相同燒結溫度下,PCH樣品的相對擴散係數要高於HP樣品,即PCH過程中原子擴散要快於HP過程。
- To calculate distribution of sediment concentration in vertical under wave and current, a model of silt diffusion coefficient distribution in vertical is set up. 為了計算波流共同作用下含沙量沿垂線的分佈,建立了沿垂線分佈的泥沙擴散係數模型。
- Aim: To explore apparent diffusion coefficient (ADC) in the diagnosis of infarction core and ischemic penumbra(IP) affter acute cerebral infarction. 探討磁共振表觀擴散係數(adc)值對急性期腦梗死核心和缺血半暗帶(IP)的診斷價值。
- The experimental results show that surface mortar layer can significantly reduce the chloride ion diffusion coefficient of concrete. 結果表明,緻密的表面砂漿層能顯著地降低混凝土本體的氯離子擴散係數。
- The chemical diffusion coefficient DLi Versus lithium content x in CoFe3Sb12 has been examined by EIS for the first discharge. 採用交流阻抗方法研究了Li~+在CoFe_3Sb_(12)電極中的擴散係數D_(Li)。 。
- In case of Newtonian flow, the effective diffusion coefficient obtained by this method is perfectly in agreement with the result by Aris. 在牛頓流體情況,本方法得到的等效擴散係數和Aris的結果完全相同。
- Because natural gas and water have different relaxation time and diffusion coefficient,we can use DSM and SSM to identify them. 由於天然氣和水的弛豫時間和擴散係數的差異,可以利用差譜分析法(DSM)和移譜分析法(SSM)來識別天然氣。
- According to Fick's law under the constant carbon potential and diffusion coefficient D that has nothing to do with the distribution of ... 根據菲克定律,在恆定攻勢、擴散係數D與聯濃度分佈無關且為常數的條件下,給出了滲層政濃度分佈的數學模型。
- Purpose: To retrospectiely assess the apparent diffusion coefficient (ADC) for prediction of malignancy and prognosis of malignant astrocytic tumors. 目的:回顧性分析表觀彌散係數預測惡性星形細胞瘤的分級與預後方面的價值。