physical properties and structures of acyl compounds

... (n=3) TE D Figure Effects of incubation method on dissolution rate of tablets of NT at 120 ºC and CE P 3.2 Flow properties and morphology of MR Bulk and tapped density of different formulations ... Modification of rice Four varieties of glutinous rice were milled and sieved by 500 μm sieve Then, 15 g of NU each type of glutinous rice was dispersed in 150 mL of distilled water and incubated ... compressibility index and the Hausner ratio were calculated to provide a NU measure of the flow properties and compressibility of MR powders However, firstly bulk MA and tap densities of MRs were determined

Ngày tải lên: 14/12/2017, 17:50

... 5.8%, 6.8%, and 7.9% of bulk soil, >0.25 mm aggregate, and 0.25 mm and 0.25 mm aggregate, and 0.25 mm aggregate by 11.3%, and 0.25 mm aggregate, and 0.25 mm Carbon restoration in soil profile The ... sustainability, and environmental quality (Stevenson, 1994) of soil physical properties under integrated nutrient management system Thus, the balance and imbalanced use of nutrients through and organic ... NPK+FYM and NPK in the 0–90 cm soil profile were ∼745 and 529 kg ha−1 yr−1 However, C sequestration rates in the 0–90 cm soil profile for NPK and NPK+FYM treatments were only ∼167 (31% of the

Ngày tải lên: 28/09/2020, 17:26

... AFEXtreated corn stover and wheat straw and the impact of AFEX pretreatment on pellet physical properties The authors indicated that high quality pellets in terms of density and durability can be ... that of corn grain and durability was 99%, which exceeds the standard durability (97.5%) set for handling and transportation of pellets (BSI, 2010) Bals et al (2013) went a step further and did ... objectives of this study were to determine the impact of grind size (4 mm, mm), die speed (40, 50, 60 Hz), and preheating (none, 70 °C) on physical properties of pellets (unit, bulk and tapped

Ngày tải lên: 02/11/2022, 09:24

... CONICET and Agencia Nacional de Promocio ´ n Cientı ´ fica y Tecnolo ´ g- ica. M. F. Drincovich and C. S. Andreo are mem- bers of the Researcher Career of CONICET, and V. A. Campos-Bermu´ dez and ... for Pta-F2 and Pta-F1. (B) Activation of the acetyl phosphate synthesis activity of E. coli Pta by different concentrations of pyruvate and PEP. Results are presented as percentage of activity ... 7.4, and calibrated using molecular mass standards (Sigma-Aldrich, St Louis, MO, USA). The sample and the standards were applied separately in a final volume of 50 lL at a constant flow rate of 1

Ngày tải lên: 06/03/2014, 11:20

... K + ions. A number of isoforms of the a and b subunits has been isolated from various tissues of numerous species, and it has been repeatedly demonstrated that the function of Na + / K + -ATPase ... carbonyl groups of Val304, Ala305, and Ile307 (M4) and through the side-chain oxygen atoms of Asn796 and Asp800 (M6) and Glu309 (M4) [26]. A similar situation could be assumed for the coordination of cations ... distributed isoform, there is the b2 isoform that is found in excitable tissues (muscle and nervous tissue), the b3intestes,adrenal ,and brain, and the bm in skeletal and heart muscle. In view of the

Ngày tải lên: 24/03/2014, 00:21

... percolation of the filler particles and the fractal nature of filler distribution in non- Properties and Applications of Silicon Carbide204 whisker particulate composites and related it to the ac and ... whisker defects. Many of these will be considered in this section, and a discussion of interface effects and SiC w defects is given in Section 3.8. Properties of the Al 2 O 3 and sintering additives ... whisker defects. Many of these will be considered in this section, and a discussion of interface effects and SiC w defects is given in Section 3.8. Properties of the Al 2 O 3 and sintering additives

Ngày tải lên: 20/06/2014, 04:20

... active oxidation of SiC and contemporary partial evaporation of SiO 2 . Properties and Applications of Silicon Carbide240 Fig. 6. SEM micrographs of a) cross-section and b) surface of the sample ... dealt with the thermal stability and physical properties of ultra-refractory MB 2 -based ceramics in oxidizing environments, and highlighted the role of composition and microstructure on the mechanisms ... production of dense materials by mean of pressure assisted sintering, and to investigate the influence of a variety of additives, including carbon and silicon carbide, on the processing and oxidation

Ngày tải lên: 20/06/2014, 04:20

... Evaluation of Silicon Carbide Surge Arresters 267 magnets Blocks of SiC gap electrodes and nonlinear resistors Fig Surge arrester of manufacturer A Blocks of SiC Blocks of SiC Fig Surge arrester of manufacturer ... manufacturers A and C, respectively As a general conclusion, it was observed that the surge arresters of manufacturers A and C presented evidence of ingress of moisture and signs of discharges ... moisture and (d) gap electrode: signs of discharge 270 Properties and Applications of Silicon Carbide (a) (b) (c) (d) Fig Surge arresters of manufacturer C, (a) block surface: presence of moisture,

Ngày tải lên: 20/06/2014, 04:20

... exhibit high-strength and relatively high-creep resistance. These properties of boron- and carbon-doped SiC originate from the absence of grain-boundary phases and existence of covalent bonds between ... most of the wood channels. The diversity of wood species, including soft and hard, provides a wide choice of materials, in which the density and the anisotropy are the critical factors of the ... fibroblasts and osteoblasts (Naji and Harmand, 1991) and open porosity of these materials make them great candidates for biomedical applications. 3. Biomedical applications of SiC Silicon

Ngày tải lên: 20/06/2014, 04:20

... of a silicon carbide stent and a long-term release of the desired agent, PLA and PLGA are biocompatible materials useful for a variety of applications, including the design and properties of ... of a silicon carbide stent and a long-term release of the desired agent, PLA and PLGA are biocompatible materials useful for a variety of applications, including the design and properties of ... NCLP profiles were obtained for each surface over a distance of 3.094 mm with a lateral resolution of 1µm using a Gaussian filter and an attenuation factor of 60% at a cut-off wavelength of 0.59

Ngày tải lên: 20/06/2014, 04:20

... as a band gap of approximately twice the band gap of. .. that of GaAs and a saturated carrier velocity equal to GaAs at the high field power (Barrett et al, 1993) The band gap of Si, ... has a unique combination of electronic and physical properties. .. evolution of gases during carbonization and carbothermal reduction of gel precursors and thus exhibit lower densities ... silicon and carbon precursors and they presented a maximum density of 1.86 g /cm3 370 Properties and Applications of Silicon Carbide The porosity of these... aluminum and nitrogen

Ngày tải lên: 20/06/2014, 04:20

... 100 mm/min) and higher (v = 900 mm/min) levels of feed rate.  Examination of the influence of number of passes on jet footprint generation: To understand the influence of number of passes on ... 100 mm/min) and higher (v = 900 mm/min) levels of feed rate.  Examination of the influence of number of passes on jet footprint generation: To understand the influence of number of passes on ... investigation on the physical phenomenon involved in the formation of JFP, (ii) development of models for (a) prediction of geometry, and (b) top width, of the JFP. 2. Experimentation and methodology

Ngày tải lên: 20/06/2014, 04:20

... VIII LIST OF TABLES Table 2.1 Summary of photophysical and electrochemical properties of compounds 24, 2-5 and 2-6…………………… ………………………………………………….35 Table 3.1 Summary of photophysical and electrochemical ... electrochemical properties of ODI and ODICN……………………………………………………………………………………59 Table 3.2 Characteristics of ODI-CN based FET devices………………… …… 65 Table 4.1 Photophysical and electrochemical data of compounds ... mode……………………………………….……………………………… 68 Figure 4.1 Structures of compounds 4-1, 4-2, 4-3, 4-4 and 4-5…………….… … 87 Figure 4.2 UV-vis-NIR absorption (a) and fluorescence spectra (b) of compounds 4-1, 4-2 and 4-3 in dilute toluene...

Ngày tải lên: 10/09/2015, 08:38

... of the structural and functional properties of the native proteins and thus may offer a useful basis for the design of agents for therapeutic intervention [7] Studies of different fragments and ... Therefore, the objectives of this study were to analyze (a) the effect of KL4 on the physical properties of membranes, in the absence and presence of Ca2+, using fluorescence anisotropy of 1,6-diphenyl-1,3,5-hexatriene ... as the effect of these lipids on the physical properties of the membrane Effect of KL4 on the lipid order of surfactant-like membranes To evaluate KL4 effects on the lipid order of surfactant-like...

Ngày tải lên: 30/03/2014, 11:20

... blue and red color denote negative and positive charges, respectively 2.2.3 Photophysical and electrochemical properties Both compounds 2-3 and 2-8 are soluble in common organic solvents and 2-3 ... teranthene and quarteranthene derivatives 1-39 and 1-40, moderate to large biradical character and an edge localization of unpaired electrons are confirmed by a combination of physical measurements and ... distribution of the unpaired electrons at the zigzag edges The investigations of the anthene series have paved the way to understand the intrinsic properties of zigzag edged GNRs and the fabrications of...

Ngày tải lên: 10/09/2015, 09:28

... electrochemical properties of compounds 2-3 and 4-3 Table 5.1 Photophysical and electrochemical properties of compounds 5-1 and 5-2 ix List of Figures Figure 1.1 Examples of low band gap PHs Figure 1.2 ... electrochemical properties of compounds 2-3, 2-8 Table 3.1 Photophysical data of ZDI compounds recorded in DCM Table 3.2 Electrochemical data of ZDI compounds Table 4.1 Photophysical and electrochemical properties ... bulb), (c) change of optical density of 2-3 and 4-3 as a function of irradiation time Figure 5.1 Resonance structures of two DBHZ isomers and chemical structures of heptazethrene, 5-1 and 5-2 Figure...

Ngày tải lên: 10/09/2015, 09:30

... voltammograms of model compounds (10-3 M) in 0.1 M TBAHFP CH2Cl2 solution Structure analysis of the model compounds Although we have studied the optical and electronic properties of these model compounds, ... the chemical shift of the azulene protons and the bond alternation To estimate the influence of steric and conjugation effect of the side phenyl groups, a series model compounds and related polymers ... expected structures for these model compounds (a) 245 (b) Figure 8-3 Aromatic region of the 1HNMR spectra of models compounds in CDCl3: (a), M26A, (b), M26B The absorption spectra of these model compounds...

Ngày tải lên: 17/09/2015, 17:19

... optical and electrical properties were studied as model compounds for the corresponding polymers Results and Discussion Model compounds design and synthesis Synthesis and characterization of Monoa and ... excellent candidates for electronic materials.9-12 Thus, to have a better understanding of the polymer structure and properties, we prepared the single-crystals of a series of monomers and oligomers ... Structure of Oligoa and Oligob Single crystal of Oligoa and Oligob were obtained and their molecular structure and atomic numbering are shown in Figure 4-7a The crystallographic parameters for these structures...

Ngày tải lên: 17/09/2015, 17:19

... likely candidates because of their high thermal and environmental stability both in neutral and doped states, variety of molecular designs and wide range of potential applications The properties of ... 5.1.3 The crystal structure of oligomers Knowledge of the structure is of vital important for the proper understanding of all physical properties of polymers The comparison of diffractograms calculated ... Reduction of band gap conjugated polymers As we discussed above, the values of Eg (HOMO-LUMO separation) determines the electrical and optical properties of the resulting polymers, and is therefore of...

Ngày tải lên: 17/09/2015, 17:19

... crystal structure of model compounds 193 UV/vis spectra and MLCT effect in the model compounds 198 Synthesis of hybrids of polymer and ruthenium carbonyl cluster 200 The chromium of ruthenium carbonyl ... protonation, model compounds and their single crystals were xvi prepared and studied Their structures and properties revealed that they are ideal model compounds for the corresponding materials, and in fact, ... sensor and catalysis (Ch.6) Properties of neutralstate polymers correlated to model compounds and their single crystal analysis (Ch.4) Association of conjugation effect to properties of main...

Ngày tải lên: 17/09/2015, 17:19