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Multi objective prediction and optimization of control parameters in the milling of aluminium hybrid metal matrix composites using ANN and Taguchi-grey relational analysis

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Defence Technology（防务技术） 2019年第4期15卷 545-556页

作者： S.Ajith Arul Daniel R.Pugazhenthi r.Kumar S.Vijayananth Department of Mechanical Engineering Vels Institute of ScienceTechnology and Advanced Studies

This study aims to optimize the input parameters such as mass fraction and particle size of SiC along with depth of cut,feed and cutting speed in the milling of Al5059/SiC/MoS2.The hybrid metal matrix composites are generally fabricated by reinforcing of different sizes(10,20,40 μm)of SiC with aluminium at a different levels(5%,10%& 15%)whereas the MoS2 addition is fixed as 2%.The effect of each control factor on response variables are analyzed through Taguchi S/N ratio method.Also,the most significant method for prediction of response parameters is satisfied by ANN model than the regression model.Analysis of variance(ANOVA)results envisage that mass fraction of SiC,feed rate is the most domineering factor on response variable.

关键词： Silicon carbide Temperature Surface roughness Cutting forces Artificial neural network Grey relational analysis

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Preparation and characterization of hydrothermally engineered TiO2-fly ash composite membrane

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Frontiers of Chemical Science and Engineering 2017年第2期11卷 266-279页

作者： Kanchapogu Suresh G. pugazhenthi r. Uppaluri Department of Chemical Engineering Indian Institute of Technology Guwahati Assam 781039 India

这个工作指向便宜 TiO 2-fly 灰的准备和描述为油性的废水处理的合成的膜。合成的膜被经由热水的方法在苍蝇灰膜上扔吸水的 TiO 2 层制作，并且它的结构、词法、机械的性质被评估。合成的膜的分离潜力为 100-200 mg 楤? 被评估 ????????... 详细信息

这个工作指向便宜 TiO 2-fly 灰的准备和描述为油性的废水处理的合成的膜。合成的膜被经由热水的方法在苍蝇灰膜上扔吸水的 TiO 2 层制作，并且它的结构、词法、机械的性质被评估。合成的膜的分离潜力为 100-200 mg 楤? 被评估 ?????????????? 吗？？

关键词： TiO 2-fly 灰膜油性的废水犯规 microfiltration

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Investigation of Structural, rheological and Thermal Properties of PMMA/ONi-Al LDH Nanocomposites Synthesized via Solvent Blending Method: Effect of LDH Loading

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Chinese Journal of Polymer Science 2016年第6期34卷 739-754页

作者： Samarshi Chakraborty Manish Kumar Kelothu Suresh G.pugazhenthi Department of Chemical Engineering Indian Institute of Technology Guwahati

This article addresses the synthesis of organically tailored Ni-A1 layered double hydroxide （ONi-A1 LDH） and its use in the fabrication of exfoliated poly（methyl methacrylate）（PMMA） nanocomposites. The pristine Ni-AI LDH was initially synthesized by co-precipitation method and subsequently modified using sodium dodecyl sulfate to obtain ONi-A1 LDH. Nanocomposites of PMMA containing various amounts of modified Ni-A1 LDH （3 wt%-7 wt%） were synthesized via solvent blending method to investigate the influence of LDH content on the properties of PMMA matrix. Several characterization methods such as X-ray diffraction （XrD）, transmission electron microscopy （TEM）, Fourier transform infrared spectroscopy （FTIr）, rheological analysis, differential scanning calorimetry （DSC） and thermo gravimetric analysis （TGA）, were employed to examine the structural, viscoelastic and thermal properties of PMMA/OLDH nanocomposites. The results of XrD and TEM examination confirm the formation of partially exfoliated PMMA/OLDH nanocomposites. The FTIr results elucidate that the characteristic bands for both pure PMMA and modified LDH are present in the spectra of PMMA/OLDH nanocomposites. rheological analyses were carried out to examine the adhesion between polymer matrix and fillers present in the nanocomposite sample. The TGA data indicate that the PMMA nanocomposites exhibit higher thermal stability when compared to pure PMMA. The thermal decomposition temperature of PMMA/OLDH nanocomposites increases by 28 K compared to that of pure PMMA at 15% weight loss as a point of reference. In comparison with pure PMMA, the PMMA nanocomposite containing 7 wt% LDH demonstrates improved glass transition temperature （Tg） of around 3 K. The activation energy （Ea）, reaction orders （n） and reaction mechanism of thermal degradation of PMMA/OLDH nanocomposites were evaluated using different kinetic models. Water uptake capacity of the PMMA/OLDH nanocomposites is less than that of the pure PMMA.

关键词： Ni-A1 LDH PMMA XrD FTIr TGA Kinetic model.

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Can palliative radiotherapy influence prostate-specific antigen response in patients with castrate-resistant prostate cancer treated with systemic therapy(chemotherapy or abiraterone)?——a report of three cases

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Cancer Biology & Medicine 2015年第1期12卷 60-63页

作者： Mohan Hingorani Sanjay Dixit Pattu pugazhenthi Simon Hawkyard Andrew robertson richard Khafagy Department of Clinical Oncology Castle Hill HospitalHull and East YorkshireNHS TrustCottinghamEast Riding of YorkshireHU16 5JQUK Department of Urology Scarborough District General Hospital

Palliative radiotherapy(prT) is primarily employed for palliation of bone pain in patients with castrate-resistant prostate cancer(CrPC). However, evidence that p rT influences prostate-specific antigen response in patients with CrPC on systemic therapy is lacking. We describe three cases of CrPC progressing after treatment with docetaxel(n=2) and abiraterone(n=1), who responded unusually after p rT for bone pain with the development of a significant biochemical response and restoration of response to systemic therapy. The possibility of p rT influencing metastatic disease in CrPC has not been previously reported, and raises the possibility of radiation-induced modulation of anti-tumor immune response mechanisms that may play a role in the restoration of response to systemic treatment.

关键词：全身治疗特异性抗原前列腺癌报告处理患者抗性去势比特

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