Báo cáo hóa học: " Preparation and properties of copper-oil-based nanofluids" ppt
Báo cáo hóa học: " Preparation and properties of copper-oil-based nanofluids" ppt
... in Figure 2b, the bands of C-H and O-CH2are also observed in the surface-modified Cu nano-particles, while the absorption peaks of P = S and P-Sshifts, and the bands of N-H mostly disappear.Figure ... additives in oils.Viscosities and thermal conductivities of nanofluidsThe effects of both temperature and mass fraction of thenanoparticles on the viscosities of the nanofluids wereinvestigated. ... =νρ(1)where r and ν arethedensityandkinematicviscosity of the nanofluid, respectively, at the same temperature.Measurements of the thermal conductivities of Cunanofluids were performed by means of a...
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Báo cáo hóa học: " Preparation and characterization of superhydrophobic surfaces based on hexamethyldisilazane-modified nanoporous alumina" pptx
... measurements and the analysis of the spectra and carried out the analysis of the water contactangles on nanoporous alumina. AK and CE participated in the design of thestudy and coordination of the ... reaction of HMDSwith the alumina surface occurs by the dissociative che-misorption of HMDS via reaction of coordinativelyunsaturated Al+ and O-sites. Subsequent reaction of pendant -O-SiM e3 and ... coordination of the work. All authors contributed to interpretation of the results and drafting of the manuscript and they read and approvedthe final version.Competing interestsThe authors declare...
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Báo cáo hóa học: "Preparation and evaluation of novel mixed micelles as nanocarriers for intravenous delivery of propofol" potx
... HS15/propofol of 10/1/5 by weight, averagemicelle size of about 101 nm and PDI of 0.12 as shownin Figure 2. The LC of mixed micelles was about 32.4%, and the content of propofol in the preparation ... of propofol to mPEG-PLA and Solutol HS15, which allowed for the best propofol solubili-zation, a series of propofol-loaded mixed micelles was pre-pared with different weight ratios of propofol ... molar ratio of Solutol HS15 to mPEG-PLA (5:5), and the propofol micellization efficiency by each of theTable 1 Effect of Solutol HS15 content on the properties of the copolymer and polymeric...
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Báo cáo hóa học: "Preparation and characterization of carbon nanofluid by a plasma arc nanoparticles synthesis system" pot
... manufacturing of carbon/water nanofluids.IntroductionAs industrial and technological products demand higherstandards of function and capacity, the problem of heatdissipation from electrical ... viscos-ity of c arbon/wat er nanofluid is much higher than that of the water. When the carbon/wat er nanofluid wasapplied to heat exchange, pressure drop of pipeline and energy consumption of pump-related ... SiC, and carbon nanotube nanofluid. In general,two-step syntheses are more suitable for the preparation of oxide nanofluids, but are less appropriate for the pre-paration of metallic nanofluids....
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Báo cáo hóa học: " Preparation and characterization of spindle-like Fe3O4 mesoporous nanoparticles" pot
... the a rrangement of cations produces pairs of Figure 5 N2adsorption and desorption isotherms of Fe3O4NPs.Figure 6 Magnetic hysteresis loops of a-Fe2O3NPs (curve 1) and Fe3O4NPs ... thus=MV,andM = As· S,wherer is thedensity of the sample; M, S and V are the mass, surfacearea and volume of one Fe3O4particle, respectively; Asis the BET surface area of the sample. ... physicochemical properties of samples arerelated to their morphologies and structures, the mag-netic hysteresis loops of the samples (S1 and S4) weremeasured by VSM at room temperature, and the resultsare...
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Báo cáo hóa học: "Preparation and Characterization of Silica-Coated Magnetic–Fluorescent Bifunctional Microspheres" ppt
... the surface of Fe3O4nanoparticles, such as the ratio of water to surfactant (R),the amount of ammonia, and the amount of tetraethoxysi-lane, on the photoluminescence properties of MPQDs werestudied. ... solutions and then dried in vacuum.Synthesis of Fe3O4NanoparticlesFe3O4nanoparticles were synthesized as reported byMassart et al. [28]. A mixture of 5.406 g of FeCl3Á6H2O and 2.780 g of ... maximum (FWHM) of the dif-fraction line, and h was the diffraction angle. Based on theFWHM of (3 1 1) Fe3O4 and (111) zinc blende reflection,the averaged crystallite sizes of Fe3O4 and Mn2±:ZnS/ZnSwere...
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Báo cáo hóa học: " Preparation and Characterization of Covalently Binding of Rat Anti-human IgG Monolayer on Thiol-Modified Gold Surface" ppt
... (&) Á L. Deng Á G. ChenKey Laboratory of Biorheological Science and Technology,Ministry of Education, and Institute of Biochemistry and Biophysics, College of Bioengineering, Chongqing University,400044 ... different surfaces, and the thick-ness of the MHA film and the protein monolayer wasestimated to be 1.51 and 5.53 nm, respectively. The GI-XRD 2h degrees of the MHA film and the protein mono-layer ... discrepancymay be due to tilting of the MHA molecules [31] and system error of AFM. The thickness of rat anti-human IgGFig. 4 GIXRD spectra of the bare gold (a), the MHA film (b) and theprotein monolayer...
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Báo cáo hóa học: "Fabrication and Properties of Porphyrin Nano- and Microparticles with Novel Morphology" docx
... porphyrin nano- and micro-particles made up of J- and H-heteroaggregates to date [26]. The photocatalytic and photoelectronic properties of TiO2sensitized with this type of porphyrin nano- and micro-particles ... beams, which is one of the proofs that thepyramids consist of CoTPPS4- and H4TAPP6+.Figure 1c, d shows the images of samples 2 and 3,respectively. In Fig. 1c, the diameter of the spheres is ... the gain and loss of protons of the nitrogen atoms bonded with the center of theH4TAPP6+, and promotes the electron transfer betweenCo(II)TPPS4- and Co(III)TPPS4-.Stability of Porphyrin...
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Báo cáo hóa học: "Preparation and Characteraction of New Magnetic Co–Al HTLc/Fe3O4 Solid Base" pptx
... theseparation and recovery of these solid base mixed oxidesfrom the reaction products are still difficult. So a largeamount of separation energy and cost are consumed for theextra equipment and treatments ... magneticbehavior of Co–Al, Ni–Al, and Mg–Al hydrotalcites, as wellas the mixed oxides obtained after calcination. Trujillanoet al. [9] reported the magnetic properties of a series of layered Cu–Al ... voltage of 20 kV and aworking distance of 10 mm. Thermogravimetry-differen-tial scanning calorimetry (DSC) was performed on aNEZSCH STA 409PC thermoanalyzer in the temperaturerange of 40–600...
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Báo cáo hóa học: " Fabrication and Properties of Ethylene Vinyl Acetate-Carbon Nanofiber Nanocomposites" docx
... increment of 350 and 520% with the addition of 4 and 8 wt.% of CNF, respectively. The elongation at break, onthe other hand, shows steep decrement with the amount of CNF.The effects of various ... Addition of CNFs significantlyimproves the thermal conductivity of EVA even at lowloading (Fig. 5).The thermal conductivity shows an increment of 70 and 188% with incorporation of 1 and 4 wt.% of ... sample.The samples EVA-1FEB and EVA-1Fcexhibit increments of 2 and 7%, respectively, over that of EVA-1F, whereasEVA-1AF and EVA-1SF show improvements of 10 and 29%, respectively. These enhancements...
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Từ khóa: electrochemical preparation and properties of novelbáo cáo môn học hóa dầubáo cáo trường học văn hóa năm 2012báo cáo trường học văn hóaquảng cáo trên báo giấy hoa học tròbáo cáo khoa họcMột số giải pháp nâng cao chất lượng streaming thích ứng video trên nền giao thức HTTPNghiên cứu tổ chức chạy tàu hàng cố định theo thời gian trên đường sắt việt namđề thi thử THPTQG 2019 toán THPT chuyên thái bình lần 2 có lời giảiBiện 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 carôtenôitGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitNGHIÊN CỨU CÔNG NGHỆ KẾT NỐI VÔ TUYẾN CỰ LY XA, CÔNG SUẤT THẤP LPWAN SLIDEPhát triển mạng lưới kinh doanh nước sạch tại công ty TNHH một thành viên kinh doanh nước sạch quảng ninhPhát hiện xâm nhập dựa trên thuật toán k meansThơ nôm tứ tuyệt trào phúng hồ xuân hươngThiết kế và chế tạo mô hình biến tần (inverter) cho máy điều hòa không khíTổ chức và hoạt động của Phòng Tư pháp từ thực tiễn tỉnh Phú Thọ (Luận văn thạc sĩ)Giáo án Sinh học 11 bài 15: Tiêu hóa ở động vậtNguyên tắc phân hóa trách nhiệm hình sự đối với người dưới 18 tuổi phạm tội trong pháp luật hình sự Việt Nam (Luận văn thạc sĩ)Giáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtTrách nhiệm của người sử dụng lao động đối với lao động nữ theo pháp luật lao động Việt Nam từ thực tiễn các khu công nghiệp tại thành phố Hồ Chí Minh (Luận văn thạc sĩ)BÀI HOÀN CHỈNH TỔNG QUAN VỀ MẠNG XÃ HỘIChiến lược marketing tại ngân hàng Agribank chi nhánh Sài Gòn từ 2013-2015HIỆU QUẢ CỦA MÔ HÌNH XỬ LÝ BÙN HOẠT TÍNH BẰNG KIỀMMÔN TRUYỀN THÔNG MARKETING TÍCH HỢP