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Background: Peripheral arterial disease (PAD) is characterized by atherosclerotic blockages of the arteries supplying the lower extremities, which cause a progressive accumulation of ischemic injury to the skeletal muscles of the lower limbs. Despite revascularization treatment ... Mehr lesen
Polymeric hydrogel is a promising class of drug delivery systems with the controlled release behavior in the body. In-situ forming hydrogels can be injected into the body as a fluid which forms a gel within the body tissue and improve the efficacy of the drugs. Various polymers have been ... Mehr lesen
Targeted drug delivery systems have been wildly studied in cancer therapy due to the toxicity of most of chemotherapeutic drugs. Nanoparticles can be attached to the small molecules of the drugs and serve as drug carriers to deliver the drug molecules into the area of interest. In this ... Mehr lesen
We present quantitative nano-scale analysis of the 3D spatial structure of an anticorrosive aluminium epoxy barrier marine coating obtained by ptychographic X-ray computed tomography (PXCT) [1-3]. We then use COMSOL Multiphysics® software to perform simulations on the acquired real 3D ... Mehr lesen
In the core of Chemical Engineering is the reactor design that includes most of all scientific disciplines. The reactors, in general, are treated ideally. Unfortunately, it is observed in the real world a very different behavior from that expected. Thus, to characterize nonideal ... Mehr lesen
Mathematical description of microwave drying requires the solution of two different physics: electromagnetics in the microwave oven cavity and food material and, transport process (mass, momentum and heat transport) in the food material. Maxwell’s equations for electromagnetics were ... Mehr lesen
Introduction: Singlet oxygen (¹O₂) has a critical role in the cell-killing mechanism of photodynamic therapy (PDT). Therefore, in this study, the distance-dependent reacted ¹O₂ is numerically calculated using finite-element method (FEM). Herein, we use a model [Ref. 1] that has been ... Mehr lesen
Proton Exchange Membrane (PEM) fuel cells are quickly becoming an attractive technology due to their ability to meet increasing energy demands in a cleaner, more efficient way compared to existing methods. A fuel cell is an electrochemical device which converts the chemical energy of a ... Mehr lesen
在可再生能源需求不断增长的背景下，本研究探索了一种新型的湿气发电（Moisture Electricity Generation, MEG）技术。这项技术利用地球上最丰富的资源——水，为环境友好型能源泛在获取开辟了新途径。然而，MEG器件内部的理化过程相当复杂，难以直观分析【2】。为了克服这一挑战，本研究采用了COMSOL Multiphysics®软件进行模拟仿真，以量化阐释这些复杂的动态理化过程。 集成仿真模型结合了多孔介质流、化学反应工程和电磁模块，通过耦合Richards方程、Nernst-Planck方程和Poisson方程 ... Mehr lesen
本工作提出一种双螺旋微波辅助生产生物柴油反应器来克服现有大规模连续流微波加热的局限性。基于隐函数、水平集和任意拉格朗日-欧拉公式（ALE）的算法，建立了一个关于微波加热、化学反应工程和流体搅拌流动的综合模型，通过流动连续性一致对使速度连续。在此模型中甲醇和油酸的摩尔比为6:1，以浓硫酸为催化剂，反应过程中所用的材料参数是关于反应溶液组分和温度的双变量函数。利用该模型，计算了加热过程中管道内部混合溶液温度、生成的油酸质量分数以及反应速率。 Mehr lesen