Materials Literature
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This project presents a new method to characterize porous silicon (PS) from the scanning electron microscope (SEM) image. Conventionally, the porosity from the PS film is able to be determined by using gravimetric or quasi-gravimetric method. However, the gravimetric method requires various stages of processing to obt…
A statistical-mechanical analytical equation of state has been employed successfully to alkali metals, alkaline earth metals, aluminum, bismuth and lead. There exist three temperature dependent parameters in the equation of state; the second virial coefficient, an effective molecular volume, and a scaling factor for t…
摘要： 以高强钢为试验材料，采用CO2激光-熔化极活性气体保护焊(Metal active gas arc welding，MAG)复合焊接方法，研究原位内生TiC对高强钢焊接接头组织和性能的影响。研究结果表明：原位内生TiC颗粒能够细化焊缝组织，对高强钢焊接接头的综合性能有很大的提高，其中wCNT∶wTi=15%的焊缝上部中心区主要由树枝晶组成，二次枝晶平均宽度为8.4 m。焊缝下部主要由大量的等轴晶组成。而未加粉焊缝上部中心区主要由大量柱状晶组成，柱状晶平均宽度为13.25 m焊缝下部主要由大量细小柱状晶组成。通过断口分析知，wCNT∶wTi=15%焊缝处的断口处产生大量细小韧窝，焊接接头主要是韧性断裂，而未加粉的焊接接头…
Polyaza-macrocyclic ligands are recently utilized to bind some radioisotopes for application in medicinal chemistry (60–64,67Cu, 66–68Ga, 86,90Y, 111In) [1,2] and the formed metal complexes of high thermodynamic stability and kinetic inertness are required for their use in vivo for medical purposes. Several copper(II)…
Detaching droplets from a solid surface is an important process in digital microfluidics, electrowetting can become a very handy tool in achieving this goal.When a droplet spreads under applied voltage, it stores interfacial energy through deformation.When the voltage is turned off, the conversion of interfacial energ…
In this research the effect of sulphuric acid concentration on the inhibiting action of 0.001M adenine solution during the corrosion of AISI 304L has been investigated. The research was achieved by using 0.001M concentration of adenine solution and varied sulphuric acid concentration of 0.1M, 0.3M. 0.5M, 0.7M, 0.9M an…
Mesothelin (MSLN) is a cell surface protein overexpressed in ovarian, pancreatic, liver, lung, and triple-negative breast cancer cells, with very limited expression in healthy tissues (Chang et al., 1996). This expression makes MSLN a promising biomarker for tumor detection and targeted therapy. Our research aims to e…
Neste trabalho foi realizado um estudo comparativo entre juntas dissimilares produzidas pelo processo FSpW sem e com a utilização de Zn como metal intermediário tendo a finalidade de investigar a eficácia da adição deste metal no comportamento mecânico das juntas, bem como avaliar sua influência nas características mi…
Silicon nanoparticles (Si NPs) have received much attention for their versatile applications in cell biology and medicine as in vivo molecular and cellular fluorescent markers. Recent studies have reported conversions of red-emitting silicon nanoparticles to blue-emitting particles. While blue emission is characterist…
O celebre efeito Hall quântico semi-inteiro no grafeno e uma consequencia direta dos niveis de Landau caracteristicos previstos pela equacao de Dirac. Apesar de se saber que os niveis de Landau devam ser tao estreitos quanto possivel para que os efeitos de mecânica quântica relativistica sejam realcados, pouca informa…
Este trabalho apresenta um estudo do processo metalurgico de tratamento termico para fabricacao de rodetes, que sao engrenagens utilizadas para transmitir torque entre eixos de moendas de usinas sucroalcooleiras, com enfase nos tratamentos de normalizacao, tempera e revenimento. Diante disso, foi desenvolvida uma anal…
© The Royal Society of Chemistry 2015. Carbon nanotubes (CNTs) can be fabricated with an ordered microstructure by controlling their growth process. Unlike dispersed carbon nanotubes, these vertically-aligned arrays have the ability to support or inhibit bacteria biofilms. Here, we show that by treating the carbon nan…
摘要： 为确定合理的临界预紧力，保证预紧组合结构横梁的整体性，提出采用等效梁长法修正传统Airy应力函数计算结果，从而得到更准确的临界预紧力。基于平面应变理论，建立临界预紧力的理论计算模型，通过叠加原理，分别得到弯曲模型和压缩模型中间截面x方向应力的傅里叶三角级数形式解，分析误差原因；采用等效梁长法进一步修正，结合临界开缝判据，得到临界预紧力理论计算公式。试验结果表明：等效梁长法修正的临界预紧力理论计算结果与试验结果最小误差为10.1%，最大误差为13.5%，与试验结果吻合较好，能够为大型成形设备的预紧组合结构横梁的设计提供理论依据。
This PhD project is a part of Center for Nanostructured Graphene (CNG) activities. The aim of the project is to develop a new lithography method for creation of highly ordered nanostructures with as small as possible feature and period sizes. The method should be applicable for graphene nanostructuring and allow elect…
Import 04/11/2015
Objective Cortical spreading depression (CSD) is a phenomenon associated with migraine attack, which can cause cerebral hyperemia and activation of the trigeminovascular nociceptive system. Alpha-lipoic acid (ALA) was reported to have the potential of reducing attack frequency in migraine patients. However, the underl…
Poisoning by Botulinum Neurotoxins (BoNTs) leads to the severe neuroparalytic illness known as botulism, which is characterized by flaccid paralysis, respiratory failure, and death. BoNTs are the most acutely toxic substances on the planet, so detection at physiologically relevant concentrations is difficult. Because…
Waste derived fuels such as Solid Recovered Fuel (SRF) are increasingly being used in the cement industry as a means to reduce cost [1]. SRF is produced by separating the combustible fraction from industrial or municipal solid waste (MSW). The recovered fraction has a higher content of combustible materials such as pl…
Author(s): Jalali Heravi, Neshat | Advisor(s): Mecartney, Martha L | Abstract: Monoclinic LaPO4 (monazite) is a chemically stable compound with a high melting temperature, high radiation damage resistivity, and very low solubility in water; it has various applications arising from its unique structure. Low temperature…
Tato diplomova prace se věnuje vývoji a charakterizaci nanonosiců protinadoroveho leku doxorubicinu, pro využiti v cilene distribuci leciva.Pro vypracovani prace byly využity dva vzorky nanocastic a jejich nasledne porovnani. Imobilizace chemoterapeutika na povrch nanocastice je podminěn morfologii a chemickou skladbo…