Báo cáo hóa học: "Preparation of Aligned Ultra-long and Diameter-controlled Silicon Oxide Nanotubes by Plasma Enhanced Chemical Vapor Deposition Using Electrospun PVP Nanofiber Template" potx
Báo cáo hóa học: "Preparation of Aligned Ultra-long and Diameter-controlled Silicon Oxide Nanotubes by Plasma Enhanced Chemical Vapor Deposition Using Electrospun PVP Nanofiber Template" potx
... 283123NANO EXPRESSPreparation of Aligned Ultra-long and Diameter-controlled Silicon Oxide Nanotubes by Plasma Enhanced Chemical Vapor Deposition Using Electrospun PVP Nanofiber TemplateMing Zhou•Jinyuan ... preparation of aligned ultra-long and the synthesis of diameter-controlled SiOx nanotubes array by plasma- enhanced chemical vapor deposition (PECVD) process using electrospun- suspended polymer fiber ... diameter of nanotubes can be controlled by simply baking electrospun PVP fibers. Although the innerdiameter of the nanotubes can also be tuned by control of the diameter of template fiber by simply...
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Báo cáo hóa học: " Preparation of Pt Ag alloy nanoisland/graphene hybrid composites and its high stability and catalytic activity in methanol electro-oxidation" potx
... rate of 50 mV s-1.Results and discussionCharacterization of Pt Ag alloy nanoisland/graphenehybrid compositesFigure 1 shows the SEM images of graphenes, EDXspectra of graphene oxide (GO), and ... thecourse of graphene preparation, PVP was used and remarkably increased the stability of graphene sheetsbecause of strong hydrophobic interactions between gra-phene sheets and PVP [10]. After ... Outlaw RA, Zhao X, Manos DM, Holloway BC: Synthesis of carbon nanosheets by inductively coupled radio-frequency plasma enhanced chemical vapor deposition. Carbon 2004, 42:2867-2872.22. Li XL,...
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Báo cáo hóa học: " Preparation of monolayers of [MnIII6CrIII]3+ singlemolecule magnets on HOPG, mica and silicon surfaces and characterization by means of noncontact AFM" pptx
... EXPRESS Open AccessPreparation of monolayers of [MnIII6CrIII]3+single-molecule magnets on HOPG, mica and silicon surfaces and characterization by means of non-contact AFMAaron Gryzia1, ... as: Gryzia et al.: Preparation of monolayers of [MnIII6CrIII]3+single-molecule magnets on HOPG, mica and silicon surfaces and characterization by means of non-contact AFM. Nanoscale ResearchLetters ... explained by a neutralization of charge of [MnIII6CrIII]3+caused by the mirror-charge effect in thefirst layer but by anions in the other ones (Figure 10c).Mica on the other hand is an...
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Báo cáo hóa học: " Preparation of Highly Crystalline TiO2 Nanostructures by Acid-assisted Hydrothermal Treatment of " ppt
... supported by the NationalNatural Science Foundation of China (Grant No. 20903034,10874040) and the Cultivation Fund of the Key Scientific and Technical Innovation Project, Ministry of Education of ... content of anatase decreased and the content of rutile increased in the range of 1–5 M HCl solutions. Amaximum of content of rutile can be obtained in the 5 MHCl solutions. Then the content of anatase ... nano-particles and aligned nanorods. The lattice images of nanoparticles and nanorods were clearly observed, whichindicated that these nanoparticles and nanorods had highdegrees of crystallinity and phase...
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báo cáo hóa học:" Preparation of TiO2 nanotube/nanoparticle composite particles and their applications in dye-sensitized solar cells" doc
... Abstract Efficiency of dye-sensitized solar cells [DSSCs] was enhanced by combining the use of TiO2 nanotubes [TNTs] and nanoparticles. TNTs were fabricated by a sol-gel method, and TiO2 powders ... of dye adsorption on TiO2 in the form of nanorods and nanotubes is expected because of the high surface area of these nanostructures. It is expected that the photoelectrical performance of ... Preparation of TiO2 nanoparticles and nanotubes The TiO2 main layer was prepared using the sol-gel method. Nano-TiO2 was synthesized using titanium(IV) isopropoxide [TTIP] (Aldrich Chemical, ...
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Báo cáo hóa học: " Preparation of Ultrafine Fe–Pt Alloy and Au Nanoparticle Colloids by KrF Excimer Laser Solution Photolysis" docx
... pre-vented not by the repulsive force of nanoparticle chargesbut by the steric hinderance of dispersing agent of PVP. PVP concentrations less than two times concentrations of the sum of Fe and Pt complex ... prepared by photochemical or other syntheticmethods [25–27]. Synthesis of nonspherical particles (nano-rods or nano-wires) of WO3 by laser pyrolysis and analysis of their formation by the solid -vapor- solid ... doi:10.1021/la070078uFig. 10 Size distributions of Au nanoparticles with laser pulsefrequencies of 2 Hz and 5 Hz (a), and 10 Hz and 20 Hz (b) (160 mJ,0.32–3.2 W)Fig. 11 Comparison of size distributions between...
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Báo cáo hóa học: " Preparation of Fe3O4 Spherical Nanoporous Particles Facilitated by Polyethylene Glycol 4000" docx
... in the presence of polymer PEG 4000 by thermaldecomposition of iron acetylacetonate. The morphology of product can be tuned by the amount of PEG 4000. When theconcentration of PEG 4000 is decreased, ... theabsence of an external magnetic field. The bulk phaseMo¨ssbauer spectrum of Fe3O4is composed of two sets of magnetic sextets at room temperature [26]. The spectrum of our sample is composed of ... Mo¨ssbauerspectrum using a least-squares method. The spectrometerwas calibrated using a standard 25-lm a-Fe foil.Results and DiscussionThe crystalline structure of the black product was charac-terized by...
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Báo cáo hóa học: " Preparation of Pectin–ZnO Nanocomposite" pdf
... peak of ZnO, originating from stretching mode of the Zn–O bond [14]. The remaining peaks in pectin–ZnO composite are induced by pectin, which is confirmed by comparing of the IR spectrum of the ... that of the pectin [15]. The peak at 1030 cm-1is assigned toC=O or C=C double bond of pectin. The absorption peaksat 1388 and 1633 cm-1are related to stretching bands of COO-groups of pectin. ... two oxygen atoms of zinc hydroxide are highlyrepulsive since they all have lone pair of electrons. Thismakes the dehydration of zinc hydroxide quite quickly atlow temperature and facilitates...
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Báo cáo hóa học: "Comparison of anti-CD3 and anti-CD28-coated beads with soluble anti-CD3 for expanding human T cells: Differing impact on CD8 T cell phenotype and responsiveness to restimulation" pot
... CD27, and CCR7 (at week 2 with gradual disappearance by weekFigure 8 Evaluation of the interrelationship between the type and timing of the second stimulus and expansion of restimulated CD4(A and ... ameliorated by reducing theconcentration of anti-CD3 on the bead surface or by the presence of irradiated autologous MNCs at the time of restimulation.Figure 7 Compar ison of C D4 (A) and CD8 (B) ... downregu-lating CD45RA and CCR7 by day14 post stimulation. By contrast, a subset of anti-CD3 treated CD8 cells retainedCD45RA, CD27, and, to lesse r extent, CCR7 and CD28expression at day 14. By studying...
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báo cáo hóa học: " Prevalence of stress, anxiety and depression in with Alzheimer caregivers" ppt
... and indirect costs of care also play a majorrole in influencing the social, psychological and physicalwellbeing of the caregiver and of his/her family. Caring isheld to be very demanding and ... psycholog-ical condition, and, therefore, anxiety and depression of the caregiver, are closely related to the values of theMMSE, ADL, IADL and to the several phases of the cogni-tive and physical deterioration ... caregiversrecruited by random selection. Data were collected by means of a carefully designed questionnaire whichincluded specific instruments for cognitive and behav-ioural appraisal and evaluation of stress...
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Từ khóa: Nghiên cứu sự hình thành lớp bảo vệ và khả năng chống ăn mòn của thép bền thời tiết trong điều kiện khí hậu nhiệt đới việt namNghiên cứu tổ chức pha chế, đánh giá chất lượng thuốc tiêm truyền trong điều kiện dã ngoạiGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitGiáo 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 LPWANĐỒ ÁN NGHIÊN CỨU CÔNG NGHỆ KẾT NỐI VÔ TUYẾN CỰ LY XA, CÔNG SUẤT THẤP LPWANPhối hợp giữa phòng văn hóa và thông tin với phòng giáo dục và đào tạo trong việc tuyên truyền, giáo dục, vận động xây dựng nông thôn mới huyện thanh thủy, tỉnh phú thọPhát hiện xâm nhập dựa trên thuật toán k meansNghiên cứu về mô hình thống kê học sâu và ứng dụng trong nhận dạng chữ viết tay hạn chếĐịnh tội danh từ thực tiễn huyện Cần Giuộc, tỉnh Long An (Luận văn thạc sĩ)Tìm 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 XIXKiểm sát việc giải quyết tố giác, tin báo về tội phạm và kiến nghị khởi tố theo pháp luật tố tụng hình sự Việt Nam từ thực tiễn tỉnh Bình Định (Luận văn thạc sĩ)Giáo án Sinh học 11 bài 15: Tiêu hóa ở động vậtGiáo 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 vậtTÁI CHẾ NHỰA VÀ QUẢN LÝ CHẤT THẢI Ở HOA KỲ