Diffusion相关论文
为了得到优化的扩散工艺,通过改变扩散时间来改变Ⅱ类单晶硅片电池发射区的掺杂浓度和结深,研究了扩散时间对太阳电池性能的影响。通......
针对彩色图像加密运算量大、空间需求较大和安全性低的问题,提出一种基于新型混沌的彩色图像加密算法。将彩色图像的三维矩阵转换......
通过对Oncell触摸屏工艺(TSP)Bubble的定性分析与产生机理研究, 发现液晶扩散不足和玻璃基板形变量大是不良产生的直接原因, 并分......
In this paper, the mathematical model of distribution of the injected compound in biological liquid flow has been descri......
随机激光器达到阈值的方式并不是通过谐振腔,而是通过光子在增益随机散射介质中的多次散射带来的光学反馈实现的。将液晶用作散射......
从理论上研究了在CO2激光器中双电极对对激光感生介质扩散的影响,讨论了激光感生介质的扩散系数、传播速率以及感生介质密度,并采用......
A noise erosion operator based on partial differential equation (PDE) is introduced, which has an excellent ability of n......
微焦点X射线源是微计算机断层扫描技术设备的核心部件。研究了电子束在靶材中的横向扩散引起的透射式微焦点射线源的焦点尺寸和强......
A correlative study between AQP4 expression and the manifestation of DWI after the acute ischemic br
...
On the capillary water absorption of cement-lime mortars containing phase change materials: Experime
Nowadays, the use of phase change materials (PCMs) represents a novel technique employed for retrofitting facades in exi......
Diffusion of ions in an electrostatic stochastic field and a space-dependent unperturbed magnetic fi
We calculate the diffusion coefficients for ions moving in a prescribed electromagnetic field.The field is considered to......
目的通过与单光子发射计算机断层扫描成像(Spect)比较,探讨全身弥散加权成像(Wb-dwi)在骨转移瘤诊断中的应用价值。方法对20例骨转......
目的探讨磁共振磁敏感加权成像(SWI)联合扩散加权成像(DWI)序列在肝脏局灶性病变诊断中的应用价值。方法选取行1.5 T磁共振(MRI)肝......
磁共振背景抑制弥散成像(DWIBS)技术已广泛应用于肿瘤筛查、良恶性肿块的初步鉴别以及评估肿瘤的治疗效果.目前国内外有许多关于DW......
MICRO-DESCRIPTION OF THE SOLUTE-FIELD AND THE PHASE-FIELD MODEL FOR ISOTHERMAL PHASE TRANSITION IN B
A new phase field method for two-dimensional simulations of binary alloy solidification was studied. A model basing on s......
The oxidation behavior of a nickel-based superalloy GH738 was studied by isothermal oxidation tests in still air at diff......
First-principles calculations of stability of graphene-like BC3 monolayer and its high-performance p
With increasing demand for renewable energy,graphene-like BC3 monolayer as high performance electrode materials for lith......
Diffusion and Adsorption of Tetralin Hydrocracking Reaction on Different Zeolites by Molecular Simul
Three different zeolite catalysts with different pore sizes (MFI-type, BEA-type, and FAU-type zeolites) have been prepar......
An energy approach is proposed to describe electromigration induced void nucleation based on phase transformation theory......
Numerical simulation of laser-induced plasma in background gas considering multiple interaction proc
Laser-induced plasma is often produced in the presence of background gas,which causes some new physical processes.In thi......
Helium diffusion in mantle minerals is crucial for understanding mantle structure and the dynamic processes of Earth's d......
等级孔分子筛是一类具有两种或多种以特定形式排布的孔结构的分子筛材料.多层等级的孔结构使得分子筛孔道内的分子扩散得到显著改......
Interface microstructures of Cu-Ni-Si/Al-Mg-Si clad composite wires during isothermal annealing from 623 to 773 K were i......
目的比较磁共振扩散张量成像(diffusion tensor imaging,DTI)在健康志愿者与无症状成人三叉神经部分各向异性(fraction anisotropg......
以08型WC与Co制成WC-10%Co试样条,脱蜡后分别于1 200﹑1 250﹑1 300﹑1 350℃进行烧结并分别保温1 h和5 h。采用扫描电镜观察烧结过程中W......
Examining the applicability of empirical models using short-term VOC emissions data from building ma
Chamber testing is a common method to evaluate volatile organic compound (VOC) emissions from building materials.Empiric......
Presented here is the influence of membrane pore size and dissolved organic matters on the diffusion coefficient (D) of ......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
应用三维元胞自动机模型模拟了Al-3Cu-1Mg合金的树枝晶组织,研究了溶质互扩散对枝晶组织的影响。采用两种方式处理溶质扩散系数:(1......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
Nanofiltration separation has become a popular technique for removing large organic molecules and inorganic substances f......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
Analysis of pH-dependent Structure and Mass Transfer Characteristics of Polydopamine Membranes by Mo
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
Multiple linear equation of pore structure and coal-oxygen diffusion on low temperature oxidation pr
This work aimed at studying the feasibility of calculating the coal–oxygen diffusion properties during the low temperat......
Production of succinic acid in basket and mobile bed bioreactors-Comparative analysis of substrate m
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
建立了守恒性好且能贴体模拟工程区域的二维潮流-污染物扩散数学模型,采用三角形网格划分计算区域,有限体积法求解控制方程,运用的......
目的研究南水北调东线工程输水河道漂浮物漂流规律和水体钉螺扩散的潜在风险。方法采用打捞法和稻草帘诱螺法对南水北调东线工程输......
目的 观察高血压灌注心搏骤停猪自主循环恢复(ROSC)后脑功能的变化.方法 采用电刺激建立猪心室纤颤(室颤)模型,室颤4 min后给予标......
Mild hypothermia for treatment of diffuse axonal injur y:a quantitative analysis of diffusion tensor
Fractional anisotropy values in diffusion tensor imaging can quantitatively relfect the consistency of nerve ifbers afte......
针对不同的自然图像去噪,现有方法的处理结果往往都含有吉布斯效应,目前很难找到非常理想的方法来进行处理。文中提出了一种基于图像......
介绍了纳米级ZSM-5分子筛的制备方法,分析了纳米尺度ZSM-5分子筛的优缺点.指出开发优异的甲醇制丙烯ZSM-5分子筛的关键在于控制一......
The controllable wire bonding of individual Ag nanowires onto a Au electrode was achieved at room temperature. The plast......
High-yielding low-cost vanadium oxide nanotubes were prepared by hydrothermal self-assembling process from vanadium pent......
The eco-material composition is not well-distributed in preparation. The eco-material samples were taken for computer im......
采用直流磁控溅射制备AlON/TiAlON(LMVF)/TiAlON(HMVF)/Cu型太阳能光谱选择性吸收薄膜,并对其光学性能及高温下的衰减机理进行研究......