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Báo cáo " Influence of cooling rate on the properties of Fe73.5Si13.5B9Nb3Au1 ribbons " docx
... has influenced on the crystallization, magnetic properties and magnetocaloric effect of the ribbons The increase of cooling rate leads to increasing crystallization activation energy and crystallization ... Vu, N Chau, Influence of Cr substituted for Fe on structure, crystallization and magnetic properties of Fe78-xCrxSi4Nb5B12Ag1 ribbons, Proceedings of the fifth National Solid state Physics Conference, ... structure of amorphous ribbons is high As we well know, TC of the ferromagnetic material 40 m /s depends on exchange interaction and coordination number Exchange interaction depends on electron...
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Báo cáo " Influence of intradot Coulomb interaction on transport properties of an Aharonov-Bohm interferometer " ppt
... interaction effects are captured In this paper, we not consider the Kondo effect Thus, the truncation up to the second order of U can be acceptable (if the Kondo effect is expected to include, ... level, one electron from the ring should jump into the dot Conclusion In conclusion, we obtained the current expression as a function of the intradot Coulomb interaction and the AB phase The AB oscillations ... provides clues to understanding the electronic properties of a variety of materials where the interactions between electrons are particularly strong The Kondo effect only occurs when the defects are...
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Influence of the support on the physicochemical properties of Pt electrocatalysts: Comparison of catalysts supported on different carbon materials
... gas chromatography The determination of deconvolutions was calculated by using Origin software Results and discussion 3.1 Characterization of carbon supports Carbon materials proposed as catalyst ... of platinum particles This effect was more significant in catalysts supported on oxidized CMK-3 carbons due to their higher content of oxygen groups (Fig 8c) Conclusions Carbon nanofibers and ordered ... mesoporous carbons have been proposed as alternative supports that could replace carbon blacks in the preparation of commercial electrocatalysts for lowtemperature fuel cells The use of these non-conventional...
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influence of DC magnetron sputtering parameters on the properties of amorphous indium zinc oxide thin film y s jung
... increase of resistivity because of the decrease of carrier concentration and Hall mobility The refractive indices and extinction coefficients were changed depending upon process conditions such as ... 300 8C was lowest for vacuum condition Consequently, vacuum was the best for low resistivity at 300 8C 3.4 Optical properties The indices of refraction (n) and extinction coefficients (k) of IZO ... n-type conduction is due to free electrons from oxygen vacancies Moreover, they reported that electrical conductivity decreased as the temperature increased, which is typical of degenerate semiconductor...
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Báo cáo sinh học: " Influence of helium-ion bombardment on the optical properties of ZnO nanorods/p-GaN light emitting diodes" pot
... electronic and optoelectronic devices Its excellent properties combined with the easiness of growing it in the nanostructure form have made it one of the most attractive and versatile semiconductor ... irradiation with moderate fluences Conclusion In summary, the influence of He+ ion irradiation on the optical properties of ZnO nanorods has been investigated as a possible candidate for space applications ... Wendler E: Electrical characterization of He+ irradiated n-ZnO Physica Status Solidi (b) 2007, 244:1544–1548 [20] Fang T-H, Chang W-J, Water W, and Lee C- C Effect of gas concentration on structural...
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báo cáo hóa học: "Influence of a portable audio-biofeedback device on structural properties of postural sway" potx
... Muscle activity and co-activation in subject #8 Muscle activity and co-activation in subject #8 The antithetic behaviour of subject #8 for muscles activity (Fig 6B), and for muscles co-activation ... significant effects of ABF on Acc-RMS (p = 0.0009) AccRMS was reduced by ABF across all subjects, as shown in Table (last column) Average reduction of Acc-RMS was 17.2% (Figure 2) Columns and of ... Effect of2 Effect of ABF on sway The percent change of using ABF on the sway parameters is shown COP-RMS and F95% were extracted from the AP COP displacement according to [24] Acc-RMS was extracted...
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báo cáo hóa học:" Influence of helium-ion bombardment on the optical properties of ZnO nanorods/p-GaN light emitting diodes" pdf
... electronic and optoelectronic devices Its excellent properties combined with the easiness of growing it in the nanostructure form have made it one of the most attractive and versatile semiconductor ... irradiation with moderate fluences Conclusion In summary, the influence of He+ ion irradiation on the optical properties of ZnO nanorods has been investigated as a possible candidate for space applications ... Wendler E: Electrical characterization of He+ irradiated n-ZnO Physica Status Solidi (b) 2007, 244:1544–1548 [20] Fang T-H, Chang W-J, Water W, and Lee C- C Effect of gas concentration on structural...
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Báo cáo hóa học: " Influence of structure of iron nanoparticles in aggregates on their magnetic properties" ppt
... Authors’ contributions DR carried out the study of influence of structure of nanoparticles in aggregates and drafted the manuscript JŠ contributed to conception of the study and to interpretation of ... magnetic forces on aggregation of zero-valent iron nanoparticles Nanoscale Res Lett 2010 Votrubík V: Theory of the Electromagnetic Field, [in Czech] Praha: Czechoslovak Academy of Science Publication; ... JE, Pecher K, Wang C, Linehan JC, Matson DW, Penn RL, Driessen MD: Characterization and properties of metallic iron nanoparticles: spectroscopy, electrochemistry and kinetics Environ Sci Technol...
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Báo cáo hóa học: "Influence of structure of iron nanoparticles in aggregates on their magnetic properties" pptx
... Authors’ contributions DR carried out the study of influence of structure of nanoparticles in aggregates and drafted the manuscript JŠ contributed to conception of the study and to interpretation of ... magnetic forces on aggregation of zero-valent iron nanoparticles Nanoscale Res Lett 2010 Votrubík V: Theory of the Electromagnetic Field, [in Czech] Praha: Czechoslovak Academy of Science Publication; ... JE, Pecher K, Wang C, Linehan JC, Matson DW, Penn RL, Driessen MD: Characterization and properties of metallic iron nanoparticles: spectroscopy, electrochemistry and kinetics Environ Sci Technol...
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Báo cáo hóa học: " The influence of the dispersion method on the electrical properties of vapor-grown carbon nanofiber/epoxy composites" pot
... Abbreviations CNT: carbon nanotubes; CAS: chemical abstract service; SEM: scanning electron microscopy; VGCNF: vapor-grown carbon nanofibers Acknowledgements Foundation for Science and Technology, ... dispersion method on the overall electrical properties of a VGCNF/ epoxy composite Four methods were used for the VGCNF dispersion, and the conductivity and dielectric constant of each composite ... dispersion concepts can be found in [3] Figure shows the AC conductivity at kHz (left) and the DC conductivity (right) for different volume fractions Depending on the method of composite preparation,...
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Báo cáo hóa học: " Influence of surface properties on the electrical conductivity of silicon nanomembranes" pot
... problem of the influence of surfaces on charge transport in semiconductor nanosystems Background The influence of the surface condition on silicon nanomembrane conductivity has been dramatically ... re-oxidation kinetics Conclusions Semiconductor nanomembranes offer an excellent platform to investigate small changes in surface chemical and structural differences, if appropriate electronic transport ... highly sensitive and selective detection of biological and chemical species Science 2001, 293:1289-1292 Nikolaides MG, Rauschenbach S, Bausch AR: Characterization of a siliconon-insulator based thin...
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Báo cáo hóa học: " Influence of Landau level mixing on the properties of elementary excitations in graphene in strong magnetic field" docx
... perpendicular magnetic field, the motion of electrons along cyclotron orbits acquires zerodimensional character and, as a result, electrons fill discrete Landau levels [11] In semiconductor quantum ... question about convergency of such calculations upon increasing a number of involved Landau levels have been raised We performed calculations of magnetoexciton energies at rest with taking into account ... Magnetoplasmons Magnetoplasmons are collective excitations of electron gas in magnetic field, occurring as poles of density-todensity response function In the random phase approximation, dispersion of...
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Báo cáo lâm nghiệp:"Influence of basic density and temperature on mechanical properties perpendicular to grain of ten wood tropical species" pot
... evolution of one criterion respect to temperature seems that the softening phenomenon is not completed at 80 C Regarding the experimental conditions, the drastic change of mechanical properties can ... of species on one criterion: ER measured from compression tests Figure presents the evolution of ER in function of temperature for each wood species C Tg ( C) sd Dq ( C) sd C0 /C1 sd Radial compression ... the choice of these wood species is not neutral Actually, it exists a relation between basic density and lignin percentage of these species, so we can not conclude about influence of chemical composition...
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Báo cáo khoa học: "Influence of decaying wood on chemical properties of forest floors and surface mineral soils: a pilot study" pptx
... an ecosystem-specific approach to study the influence of DW on soils The experimental approach adopted was a comparative analysis of paired pedons with each pair consisting of pedon with accumulation ... vegetation 3) High concentrations of lipids, humic acids and fulvic acids are the forest floor constituents responsible for eluviation and illuviation 4) The spatial pattern of DW on a site corresponds ... that of understory vegetation and humus form and accounts for much of the variation in the chemical properties of the surface mineral soil CONCLUSION wood to have affected Decaying appeared properties...
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Effect of newly developed lignosulphonate superplasticizer on properties of cement pastes and mortars
... curves C2 S di-calcium silicate 2CaO.SiO2 C3 A tri-calcium aluminate 3CaO.Al2O3 C3 S tri-calcium silicate 3CaO.SiO2 C4 AF tetra-calcium aluminoferrite 4CaO.Al2O3.Fe2O3 CH calcium hydroxide Ca(OH)2 C- S-H ... weight by cement (swbc) Classification Common Name Typical Dosage#, % Increase in Slump, mm ASTM Specification C4 94 C4 94, C1 017 Table 1-2 Classification of WRAs According to ASTM C4 94 Type of WRA ... summary, cement hydration is a complicated process that includes a number of exothermic chemical reactions The characteristics of the heat of hydration are unique for each concrete mix under each environmental...
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THE INFLUENCE OF COBALT ON CRYSTAL STRUCTURE AND MAGNETIC PROPERTIES OF nimnsbb2 HEUSLER ALLOYS
... Applications Physical properties of interest to materials science among perovskites include superconductivity, magnetoresistance, ionic conductivity, and a multitude of dielectric properties, which ... of A cations, B cations or both are reduced Tilting of the BO6 octahedra reduces the coordination of an undersized A cation from 12 to as low as Conversely, off-centering of an undersized B cation ... Magnetocaloric effect 1.1.1 Concept of magnetocaloric effect The magnetocaloric effect (MCE) [2] is a magneto thermodynamic phenomenon in which a temperature change of a suitable material is caused...
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Influence of adsorption on the photocatalytic properties of tio2 AC composite materials in the acetone and cyclohexane vapor photooxidation reactions
... rates of acetone removal (WAc ) and CO2 accumulation (WCO2 ) became less In the other words the higher AC content corresponded to higher adsorption capacity and lower photocatalytic activity Acetone ... Kinetics in the static reactor Water, CO2 and CO were detected as products of cyclohexane PCO Final concentration of evolved CO in the static reactor was about 60–80 ppm whereas the final CO2 concentration ... characteristic of photocatalytic process is the time of maximum contaminant level (MCL) establishment (tMCL ) in static conditions According to Russian sanitary regulations the cyclohexane MCL...
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Báo cáo y học: "The Influence of Hyperbaric Oxygen Treatment on the Healing of Experimental Defects Filled with Different Bone Graft Substitutes"
... interaction of a bone graft substitute with the host tissue under normobaric conditions may not be indicative of the similar process under hyperbaric environment Conclusion HBOT has led to an increase ... intracellular components of the periosteum with no apparent clinical signs of inflammation or infection In contrast, the β-TCP particles had acceptable integration with periosteal cells These interesting ... material had came in contact with the periosteum and the periosteal cells had cytoplasmic process protruded through the bone graft On the contrary, the ultrastructural investigation of CPCBB groups...
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Báo cáo y học: "Influence of Cyclodextrin Complexation with NSAIDs on NSAID/Cold Stress-Induced Gastric Ulceration in Rats"
... was calculated Due to the low concentration of drug in each phase, the partition coefficients of each drug in the absence and presence of CDs could be estimated by the ratio of the drug concentration ... pathological conditions, continuous release of prostaglandins usually contributes to certain physiological functions in both humans and animals These include inhibition of gastric acid secretion, ... tion, reduction of gastric glutathione, and local production of free radicals [15,16] Table Effect of β-CD and HP-β-CD on indomethacin and piroxicam induced ulcers Treatment HP-β-CD alone provide...
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Báo cáo y học: "HLA-DR regulation and the influence of GM-CSF on transcription, surface expression and shedding
... with a fluorescein isothiocyanate (FITC) conjugate, clone L243 (Becton Dickinson, UK) and with a mouse IgG anti-human CD14 R-phycoerythrin conjugate (R-PE), clone M5E2, (Becton Dickinson, UK) to ... for activating monocytes and restoring functional indicators is granulocyte macrophage colony stimulating factor (GM-CSF) GM-CSF is a 22-kDa glycoprotein cytokine secreted by mononuclear leukocytes ... lymphocytes ex vivo has been shown to restore function in anergic monocytes [2] It has been shown that GM-CSF induces monocyte activation [17] and can protect monocytes from becoming apoptotic [2]...
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Tìm thêm: xác định các mục tiêu của chương trình khảo sát các chuẩn giảng dạy tiếng nhật từ góc độ lí thuyết và thực tiễn khảo sát chương trình đào tạo của các đơn vị đào tạo tại nhật bản xác định thời lượng học về mặt lí thuyết và thực tế tiến hành xây dựng chương trình đào tạo dành cho đối tượng không chuyên ngữ tại việt nam điều tra đối với đối tượng giảng viên và đối tượng quản lí điều tra với đối tượng sinh viên học tiếng nhật không chuyên ngữ1 khảo sát thực tế giảng dạy tiếng nhật không chuyên ngữ tại việt nam nội dung cụ thể cho từng kĩ năng ở từng cấp độ xác định mức độ đáp ứng về văn hoá và chuyên môn trong ct các đặc tính của động cơ điện không đồng bộ đặc tuyến hiệu suất h fi p2 đặc tuyến mômen quay m fi p2 đặc tuyến tốc độ rôto n fi p2 đặc tuyến dòng điện stato i1 fi p2 động cơ điện không đồng bộ một pha phần 3 giới thiệu nguyên liệu từ bảng 3 1 ta thấy ngoài hai thành phần chủ yếu và chiếm tỷ lệ cao nhất là tinh bột và cacbonhydrat trong hạt gạo tẻ còn chứa đường cellulose hemicellulose chỉ tiêu chất lượng theo chất lượng phẩm chất sản phẩm khô từ gạo của bộ y tế năm 2008 chỉ tiêu chất lượng 9 tr 25