Báo cáo vật lý: "Protonation and Complexation Approaches for Production of Protic Eutectic Ionic Liquids" ppsx

... large-scale processes for commercial and inexpensive ILs and can therefore be used for industrial application. Production of Protic Eutectic Ionic Liquids 16 reserved for ionic melts with melting points ... modification of cellulose in ionic liquids. J. Mol. Liq., 142, 1–5. Journal of Physical Science, Vol. 21(1), 15–28, 2010 15 Protonation and Complexation Approaches for Production of Protic Eutectic ... 1168–1178. Production of Protic Eutectic Ionic Liquids 24 Table 6: PEILs melting points as determined from DSC data for 1:2 molar ratio of hydrochloride salt:urea and 1:1 molar ratio of hydrochloride...

Báo cáo vật lý: "Flexural and Morphological Properties of Epoxy/Glass Fibre/SilaneTreated Organo-montmorillonite Composites Nor Hamidah Mohd" potx

... Materials (ASTM). (2005). Annual Book of ASTM Standards for plastics, vol. 8.01. Pennsylvania, USA: American Society for Testing and Materials. Journal of Physical Science, Vol. 21(2), 41–50, ... (Switzerland). The surface modification of OMMT using a silane coupling agent was carried out as follows: a 205.8g ethanol solution (95% ethanol and 5% water) was stirred before 10.8 ml of silane ... mixture was then stirred for 5 hours using a mechanical stirrer. Next, the mixture was filtered and dried for 4 hours. The amount of 3-aminopropyltrimethoxysilane required for OMMT treatment was...

Báo cáo vật lý: "FORMATION AND MORPHOLOGY OF COLLOIDAL CHITOSAN-STABILIZED COPPER SULFIDES" pdf

... at different ratios of Cu2+:chitosan. For 1:2 ratio of Cu2+:chitosan, the particles formed are of irregular jagged spheres with an average size and size distribution of 118.8 + 28.4 nm. ... composition is a mixture of covellite and chalcocite at an approximate ratio of 1:1. Figure 6: Typical EDX spectrum for copper sulfides mixture 3.2 Mechanism of Formation Dixit ... formed at 10:1 and 20:1 are of similar shape, but as the concentration of chitosan becomes higher, particles are more dispersed and the size becomes smaller with the average particle size and...

Báo cáo vật lý: "AN ANFIS-BASED PREDICTION FOR MONTHLY CLEARNESS INDEX AND DAILY SOLAR RADIATION: APPLICATION FOR SIZING OF A STAND-ALONE PHOTOVOLTAIC SYSTEM" ppsx

... objective of this paper is to investigate the potential of an ANFIS system in the modeling and prediction of the tK, in isolated sites and to assess its performance relative to ANNs, and then for ... temperature, and etc. 7. ACKNOWLEDGEMENT The authors would like to thank the Director of the ONM (Office of National Meteorology of Algiers), for making available the database of solar radiation ... radiation data for different sites, and Prof. A. Guessoum (Head of Signal Processing Laboratory of Blida University) for his remarks. An ANFIS-Based Prediction for Kt 34 8....

Báo cáo vật lý: "Synthesis and Characterization of Bismuth Tantalate Binary Materials for Potential Application in Multilayer Ceramic Capacitors (MLCC)" doc

... Figure 8: Imaginary part of impedance as a function of frequency for BiTaO4 at various temperatures. Figure 8: Imaginary part of impedance as a function of frequency for BiTaO4 at various ... to that of SbTaO4 type and then transformed into triclinic phase at temperature above 870oC.10 The present study focused on the phase formation, thermal and electrical properties of BiTaO4 ... Figure 9 shows the plots of real part of complex permittivity of BiTaO4 ceramics as a function of sintering temperature. The εr increases appreciably with the increase of temperature. The temperature...

Báo cáo vật lý: "Physical and Chemical Characteristics of Citrullus lanatus Var. Colocynthoide Seed Oil" pdf

... used as a source of heat energy for cooking.7 Due to the growth of the importance of oilseeds in the national economy of Sudan, the high demand to look for a new source of oil and the sufficient ... England) was used for determination of moisture and volatile matter under the condition of the test and the temperature was adjusted at 130 ± 2°C. 2.2 Physiochemical Characteristics of the ... mixing of ingredients and as media for heat transfer carrier for fat soluble vitamins. Also, they are a source of essential fatty acids.2 The plants and animals that produce oils and fats...

Báo cáo vật lý: "Structural and Dielectric Properties of the Mn-Doped BaO-Nd2O3-4TiO2 System" ppt

... properties of dielectric materials, including the contents of individual crystalline, secondary phases and the degree of densification. Therefore, a series of experiments was performed to find ... capacitance of a porous sample and a dense sample. For the porous sample, the total capacitance comprises the capacitance of the grain and air in the pores. It is well known that the capacitance of ... phase of standard BaNd2Ti5O14, ICDD No 33–136. The lattice parameters of the XRD show a = 12.20 Å, b = 22.35 Å and c = 3.84 Å. However, detailed observation shows the presence of extra...

Báo cáo vật lý: "Volumetric and Thermodynamic Studies of Molecular Interactions in Ternary Liquid Mixtures at 303, 308 and 313K" pptx

... between ketones and alkanols. The subsequent formation of new hydrogen bonds between the proton acceptor oxygen atoms of the group of DMF and the proton of the – OH group of 1-alkanols 17 ... pressure is a cohesive force, which is the result of attractive and repulsive forces between the molecules. The attractive forces mainly consist of hydrogen bonding, dipole-dipole, and dispersion interactions. ... dipole-dipole interactions, and is of particular interest because of the absence of any significant structural effects due to the lack of hydrogen bonds; therefore, it may work as an aprotic, protophilic...

Báo cáo vật lý: "MODELLING AND SIMULATION STUDY OF VISIBLE EMISSION TRANSMISSIVITY OF SILICON RELATED TO SINGLE AND MULTILAYER ANTIREFLECTION COATINGS" potx

... of Si, SiO2 and Ge for increasing transmittance of Si as active medium in the far red region of 720–750 nm. This paper reports the design and simulation of the transmissivity of single and ... explain the model and basic formula of single and multilayer Modelling and Simulation Study of Visible Emission 18 211REInIn−⎛⎞=⎜+⎝⎠⎟ (1) In our optical model for increasing ... and ek shows the direction of the wave propagation. For simplicity, we consider normal incidence of light with plane polarization (θ = 0). So, N layers of nj can be expressed in terms of...

Tài liệu Báo cáo " DETERMINING FLOW ENERGY AND EROSION COEFFICIENT FOR CLASSIFICATION OF POTENTIAL EROSION IN BINH DINH PROVINCE " ppt

... protection land and the production forest land had been planned for growing forests, so there is no need to take into consideration the means of cultivated slope soil). The total area of the convertible ... erosion potential of the upstream protection land and the production forest land, but we have only considered these levels to categorize the erosion potential of the convertible land area in Binh ... area of 25.690 hectares (28.3% of the convertible land). This group has average centralization level of convertible land and average erosion potential level. + Group 3 of the convertible land...

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