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Preparation and photoluminescence of high density siox nanowires with fe3o4 nanoparticles catalyst
Preparation and photoluminescence of high density siox nanowires with fe3o4 nanoparticles catalyst
... Preparation and photoluminescence of high density SiOx nanowires with Fe3O4 nanoparticles catalyst X.J. Wanga,⁎, B. Dongb, Z. ZhouaaSchool of Electronics Engineering and Computer ... 2009PACS:81.05Y78.55Keywords: SiOx nanowires Photoluminescence Large scale, high density SiOx nanowires have been synthesized using a novel Fe3O4 nanoparticles catalyst. The lengths of SiOx nanowires are in the range of ... (III)acetylacetonate with 1,2-dodecandiol in the presence of oleic acid and oleylamine. The growth of SiOx nanowires was conducted in ahorizontal tube furnace with a quartz tube. The mixture of Fe3O4liquid-drops...
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preparation and characterization of high surface area nanosheet titania with mesoporous structure
... images of the nanosheet TiO2calcined at 600 and 700 °C showed almost nanoparticles with a mixture of anatase and rutile TiO2structure (about 10–50 nm in diameter, at600 °C, Fig. 6(g–h)), and ... Yoshikawaa,⁎aInstitute of Advanced Energy, Kyoto University, Uji, Kyoto, 611-0011, JapanbDepartment of Materials and Metallurgical Engineering, Faculty of Engineering, Rajamangala University of Technology ... IntroductionThe synthesis and characterization of nanostructured materi-als (nanotubes, nanorods, nanowires, and nanosheet) havereceived considerable attention due to their unique properties and novel applications...
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Báo cáo Y học: Biophysical characterization of the interaction of high-density lipoprotein (HDL) with endotoxins doc
... addition of LPS Re and LBP (B), after incubation with LPS Re and subsequent addition of HDL and LBP (C), and afterincubation with a preincubated mixture of LPS and HDL and sub-sequent addition of ... types of examinations. Preincubation of the cells with LPS Re (30 min at 37 °C) and following addition of HDL, pre-incubation of the cells with HDL and subsequent addition of LPS Re, and incubation ... three types of experiments with LPS Re and HDL have been carried out. Preincubation of the cellswithLPSRe(30minat37°C) and following addition of HDL, preincubation of the cells with HDL and followingaddition...
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Preparation and photoluminescence properties of amorphous silica nanowires
... Preparation and photoluminescence properties of amorphoussilica nanowires X.C. Wu*, W.H. Song, K.Y. Wang, T. Hu, B. Zhao, Y.P. Sun, J.J. DuLaboratory of Internal Friction and Defects ... of the nanowires at a diameter of 60±110 nm and a length up to hundreds micrometers. Besides most smooth-surface polyp-shaped nanowires, two other forms of nanowires, named amoeba-shaped and frog-egg-shaped ... low-threshold current density and high gain [4]. GaN nanowires may be fabricatedinto one-dimensional nanoscale luminescence di-odes [5]. With the development of mesoscopicscience and the advances...
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hydrothermal synthesis and photoluminescence of tio2 nanowires
... of the nanowires aggregated into bundles in the solutionFig. 1. XRD pattern of the as-prepared nanowires (A and Brepresent anatase and brookite, respectively).Fig. 2. A typical SEM image of ... and 545 nm underexcitation at 413 and 473 nm. The PL intensity of TiO2 nanowires excited at 413 nm is relativelyFig. 3. (a) A TEM image of a single anatase TiO2nanowire with a diameter of ... range (465 and 520 nm band) and attributed them to the oxygen vacancies. Jin et al.[19] observed two peaks at 488 and 510 nm fromanatase TiO2film with the addition of ZnFe2O4 and ascribed...
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Preparation and characterization of the PVDF-based composite membrane for direct methanol fuel cells
... polymerization and phase inversion, and all of the other reagents were analytical grade. 2.2 Preparation of the PVDF-based composite membrane The PVDF powders were basified firstly, and the double ... (DMAc) firstly, and then styrene, divinylbenzene (DVB) and benzoyl peroxide (BPO) were added to the solution and stirred with water bath at 343 K. The dosage of PVDF, styrene, DVB and BPO was that ... immersed in deionized water for 48 h, and then the sulfonated copolymer washed with deionized water and dried for usage. The sulfonated copolymer with weight of 15 g and 2.5 g polyvinyl pyrrolidine...
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Analysis and performance of high efficiency synchronous reluctance machines
... poor compared with that of the controlled cageless type, with some form of position sensing. Although, the majority of synchronous reluctance motors International Journal of Energy and Environment ... Analysis and performance of high efficiency synchronous reluctance machines M. Nagrial, J. Rizk, A.Hellany University of Western Sydney, School of Engineering, Power Conversion and Intelligent ... rotor can result in high saliency ratio and not the amount of insulation and magnetic material. It is worth mentioning that the amount of magnetic material is kept the same with all the different...
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Tài liệu Báo cáo " Preparation and characteristics of LiF:Mg,Cu,Na,Si thermoluminescent material " pptx
... dosimetric properties of the powder werestudied. The main dosimetric peak of LiF:Mg,Cu,Na,Si appeared in the range of 227− 247oC and the ratio of the height of the main peak to that of the other small ... Journal of Science, Mathematics - Physics 23 (2007) 225-231In the present work, we prepared LiF powders activated with Mg, Cu, Na and Si and studiedthe dependence of the glow curve and the ... that doping with activators has strongly affected the TL intensity and the glowcurve structure of the powder. Fig. 8 illustrates glow curves of LiF TL powders undoped and doped with different...
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Tài liệu Báo cáo "Preparation and characterization of nanocomposite TiO2/SnO2 films " pdf
... TiO2 photosensitivity and SnO2 conductivity. 2. Experimentals Preparation of TiO2 films: The principle of TiO2 preparation in this work was based on pyrolysis of chloride salts. The ... constant with the help of an electronic digital controller. Under an open-air environment and at high temperature, hydrolysis of Ti salt solutions takes place, resulting in the formation of TiO2 ... RD/RL spectra of TiO2 prepared at 400oC impregnated and annealed at 325, 375 and 425oC. 3. Discussion TiO2 belongs to dielectric materials. With a wide band gap of 3.2 eV, at room...
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Tài liệu Detection, Evaluation, and Treatment of High Blood Cholesterol in Adults pdf
... detection, evaluation, and treatment of persons with high blood pressure.160,161Follow U.S. Department of Health and Human ServicesClinical Practice Guideline: Treating Tobacco Use and Dependence.621Promote ... avoidance or cessation of cigarettesmoking, reduction of intakes of saturated fats and cholesterol, achieving and maintaining a healthy bodyweight, regular physical activity, and routine medicalcheck-ups ... emphasisshifts to management of the metabolic syndrome and itsassociated lipid risk factors (elevated triglycerides and low HDL cholesterol). A high proportion of patients with the metabolic syndrome...
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Từ khóa: Nghiên cứu sự biến đổi một số cytokin ở bệnh nhân xơ cứng bì hệ thốngNghiên cứu tổ chức pha chế, đánh giá chất lượng thuốc tiêm truyền trong điều kiện dã ngoạiBiện pháp quản lý hoạt động dạy hát xoan trong trường trung học cơ sở huyện lâm thao, phú thọGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitĐỒ ÁN NGHIÊN CỨU CÔNG NGHỆ KẾT NỐI VÔ TUYẾN CỰ LY XA, CÔNG SUẤT THẤP LPWANNGHIÊN CỨU CÔNG NGHỆ KẾT NỐI VÔ TUYẾN CỰ LY XA, CÔNG SUẤT THẤP LPWAN SLIDEPhát triển du lịch bền vững trên cơ sở bảo vệ môi trường tự nhiên vịnh hạ longNghiên cứu tổng hợp các oxit hỗn hợp kích thƣớc nanomet ce 0 75 zr0 25o2 , ce 0 5 zr0 5o2 và khảo sát hoạt tính quang xúc tác của chúngNghiên cứu khả năng đo năng lượng điện bằng hệ thu thập dữ liệu 16 kênh DEWE 5000Tìm hiểu công cụ đánh giá hệ thống đảm bảo an toàn hệ thống thông tinSở hữu ruộng đất và kinh tế nông nghiệp châu ôn (lạng sơn) nửa đầu thế kỷ XIXChuong 2 nhận dạng rui roBT Tieng anh 6 UNIT 2Giáo án Sinh học 11 bài 15: Tiêu hóa ở động vậtGiáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtGiáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtGiáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtBÀI HOÀN CHỈNH TỔNG QUAN VỀ MẠNG XÃ HỘIĐổi mới quản lý tài chính trong hoạt động khoa học xã hội trường hợp viện hàn lâm khoa học xã hội việt namTÁI CHẾ NHỰA VÀ QUẢN LÝ CHẤT THẢI Ở HOA KỲ