effect of chemical structure on polymer properties
Báo cáo vật lý: "The Effect of Triethylene Diamine on the Properties of Waste Paper Foam Composites" ppsx
... The effect of filler content on the hardness of PS foam produced with and without a TEDA catalyst CONCLUSION The effect of TEDA as a catalyst and waste paper filler content on the mechanical properties ... demonstrates the effect of filler content of the PS foam with and without the presence of the catalyst on the resulting compressive strength, and Tables 2, and present the chemical composition of ... needed to catalyse the crosslinking of the isocyanates with the hydroxyl groups at ambient conditions.8–9 In this paper, the effects of TEDA on the properties of waste paper foam composites are...
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![black and kim - 2011 - the effect of board structure on firm value - a multiple identification strategies approach using korean data [kcgi]](https://media.store123doc.com/images/document/2015_01/06/small_kxY7zGKWkx.jpg)
black and kim - 2011 - the effect of board structure on firm value - a multiple identification strategies approach using korean data [kcgi]
... trillion won; horizontal line below trillion won shows mean CMAR for control firms with assets from 0.5–1 trillion won (mean = by construction), longer (shorter) horizontal line above trillion won ... (0.25 trillion won < assets < trillion won), respectively - 43 - 600 550 Large-plus (1 trillion won < assets < trillion won) 500 Mid-sized (0.5 trillion won < assets < trillion won) 450 400 350 ... 1–4 trillion (1–1.5 trillion won) Panel A: Change in CMAR at trillion won = 0.1594 (t = 2.24 from pooled regression of CMARs on constant and large-plus dummy (=1 if assets > trillion won) for broader...
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Toxicology and pharmacology investigation of 2 phenylaminophenylacetic acid derived NSAIDs implication of chemical structure on biological outcomes
... (Ionescu and Caira, 2005a; Khojasteh et al., 2010) Major Phase II conjugation reactions include glucuronidation, sulfation and acetylation (Ionescu and Caira, 2005b) Of all the Phase II reactions, ... reactions, glucuronidation, which involves conjugation of the parent aglycone to a α-Dglucuronic acid sugar moiety, is the major route of conjugation and mainly occurs in the liver (Ionescu and Caira, ... large population of patients Thus, often than not, type B reactions are the underlying cause of withdrawals of newly approved drugs Type C reactions result from the formation of certain chemical features...
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Effect of secondary structure on biological activities of antimicrobial peptides
... the importance of a lack of structure in nondenaturing conditions but an inducible structure in the presence of the hydrophobic environment of the membrane, (ii) the presence of a positively ... order to demonstrate the effect of the secondary structure of the helical amphipathic peptides on their cytotoxic activity and antimicrobial specificity, peptides with different secondary structures ... Serial dilutions of the peptides were added into 96-well microtiter plates in a volume of 90µl/well, followed by the addition of 10µl of bacteria to give final inoculums of x 105colony-forming...
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Effect of Secondary Structure on Biological Activities of Antimicrobial Peptides
... the importance of a lack of structure in nondenaturing conditions but an inducible structure in the presence of the hydrophobic environment of the membrane, (ii) the presence of a positively ... the importance of a lack of structure in nondenaturing conditions but an inducible structure in the presence of the hydrophobic environment of the membrane, (ii) the presence of a positively ... order to demonstrate the effect of the secondary structure of the helical amphipathic peptides on their cytotoxic activity and antimicrobial specificity, peptides with different secondary structures...
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Tài liệu Báo cáo " The effect of cobalt substitution on structure and magnetic properties of nickel ferrite " pptx
... yields monotonic increase in the saturation magnetization of Niferrite which may be due to the substitution of Ni2+ ions by Co2+ on the octahedral sties Therefore, the increasing Co2+ concentration ... indications of the presence of a spinel cubic structure The diffraction lines corresponding to a cubic, spinel-type and crystalline phase provides clear evidence of the formation of solid solution ... expression corresponds to the contribution of magnetocrystalline anisotropy of material, the second one is given by shape anisotropy of crystalline particles (domains) and the third one is orginated...
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Báo cáo khoa học: Effect of valine 106 on structure–function relation of cytosolic human thymidine kinase Kinetic properties and oligomerization pattern of nine substitution mutants of V106 ppt
... was eluted as a mixture of a dimer and a tetramer For further investigation of the role of size, conformation and polarity of amino acid 106 for the function and structure of human TK1, we created ... dimer–tetramer transition by cloning the putative interface fragment of human TK1, rLy-TK166)136, and investigating the influence of the V106M mutation on the oligomerization properties of this fragment ... previously [14,18] A 200-lL portion of thrombin cleavage fraction stored at )80 °C at a protein concentration of lgÆmL)1 was mixed with 100 lL of the equilibration and elution buffer B (50 mM imidazole/HCl,...
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Báo cáo khoa học: The oxidative effect of bacterial lipopolysaccharide on native and cross-linked human hemoglobin as a function of the structure of the lipopolysaccharide A comparison of the effects of smooth and rough lipopolysaccharide ppt
... decrease in concentration of oxyHb with time was utilized as a measure of the rate of oxidation of oxyHb RESULTS The effect of pH on the auto-oxidation of cross-linked Hb was studied The rate of decrease ... differences in the starting oxyHb concentrations are the result of an immediate drop in the oxyHb concentration upon addition of the LPS Fig Comparison of the effects of the LPSs of rough S minnesota 595 ... oxidation of the a chains The rates of oxidation are reduced in the presence of chelators of heavy metal cations in most cases An exception is the lack of alteration of the increased oxidation rates...
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Effect of metal spiking on different chemical pools and chemically extractable fractions of heavy metals
... bio-oxidation of organic carbon and consequent acidification effected release of Ni, Cu, and Cd from F5 (residual fraction), of Ni and Zn from F3 fraction, of Zn from F4 and F2 fractions from sludge ... Fractionation and characterization of sewage sludge, J Ecotoxical Environ Monit 12 (2) (2002) 161–165 [19] G Brummer, K.G Jiller, U Herms, P.N Clayton, Adsorption– desorption and/or precipitation–dissolution ... [18] Higher content of the F3 and F5 fractions of heavy metals could explain the lower concentration of heavy metals in F2 and F1 fractions [19] This might be ascribed to the presence of unoxidized...
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Effect of substrate temperature on spontaneous gan nanowire growth and optoelectronic properties
... selection rules for wurtzite GaN The inset in Fig is an expansion of the Raman spectrum in the vicinity of the E2 (high) phonon peak of GaN NWs and the GaN film The E2 (high) phonon line of the ... performed electrochemical CV measurements which confirmed that doping level in GaN NWs is of the order of 1019 cmÀ3 In conclusion, we have studied the effect of growth temperature on GaN NW morphology ... reflects that optical quality of the NWs increased with increase in growth temperature Besides reduction of DAP emission intensity, PL intensity ratio of donorbound exciton peak (D1X) with defect-related...
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effect of processing parameters on pore structure and thickness of anodic
... equilibrium of oxidation and chemical dissolution The dynamic equilibrium of the oxide formation (highly dependent on the acid concentration and availability of oxygen ions) and dissolution (relatively ... sulfuric acid concentration at the same voltage Oxide growth rate and its rate of dissolution partially depended upon concentration of sulfuric acid Higher electrolyte concentration increased oxide ... increase in acid concentration Concentration of the acids also influenced the pore size in a way that higher acid concentration increased the rate of oxidation than dissolution thereby decreasing...
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EFFECT OF STORAGE TEMPERATURES ON THE PHYSIOLOGICAL AND BIOCHEMICAL PROPERTIES OF HYLOCEREUS POLYRHIZUS
... 20 21 22 23 2.6 Effect of Extraction Methods on Antioxidant Activity of Herbs 2.6.1 Effect of Extraction Solvents 2.6.2 Effect of Extraction Time 2.6.3 Effect of Extraction Temperature 24 24 25 ... study on the optimization of extraction conditions on herbs (Chirinos et aI., 2007) Due to optimization of both drying and extraction methods on herb had not being studied, the main ·objective of ... Trend of Consumption of Herbs 2.2 Herb of Limnophila aromatica 2.2.1The Morphology of Limnophila aromatica 2.2.2 The Uses and Benefits of Limnophila aromatica 2.2.3Previous Studies Done on Limnophi/a...
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Báo cáo hóa học: " Effect of growth temperature on the morphology and phonon properties of InAs nanowires on Si substrates" doc
... The one phonon Raman spectrum in microcrystalline silicon Solid State Commun 1981, 39:625 21 Tiong KK, Amirtharaj PM, Pollak FH, Aspnes DE: Effects of As ion implantation on the Raman spectra of ... of the TO, SO, and LO phonon mode of InAs NWs confinement and the relaxation of q = selection rule However, the diameter of our InAs NWs is very large (> 20 nm) and shows almost no quantum confinement ... confinement effect, which cannot explain the observed downshift in phonon frequency of LO and TO phonon peaks Another one is the thermal anharmonicity effect caused by temperature change Anharmonicity...
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Báo cáo hóa học: " Effect of thermal treatment on the growth, structure and luminescence of nitride-passivated silicon nanoclusters" pptx
... annealing steps after deposition to induce diffusion of excess silicon to nucleation sites Conventionally, this has been done using a quartz tube furnace with an ambient gas of N2 or N2 + 5% H2 (i.e ... Laboratory at the University of Western Ontario Finally, X-ray absorption near edge structure (XANES) experiments were performed to obtain information on the electronic structure of the films at the Si ... composition As the silicon content is increased in the films, the absorption edge shifts to lower energies because of the increase of the Si-Si resonance peak at 1842 eV and reduction of the peak...
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Báo cáo hóa học: " Effect of Substrate Morphology on Growth and Field Emission Properties of Carbon Nanotube Films" pptx
... diamond paste containing diamond particles of size *1 lm for h Porous Si substrates were prepared by the electrochemical anodization of the Si-wafer The electrochemical bath consisted of 48% hydrofluoric ... that orientation of nanotubes is largely dependent on the local geometry of the substrate This was further confirmed by the orientation of CNTs near the edge of the substrates Most of the nanotubes ... joints of the two compartments [23] These open edges on the surface of BS-CNTs act as additional emission sites [30, 31, 40] On the other hand, in case of vertically aligned BS-CNTs, conventional...
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Báo cáo vật lý: "Effect of Filler Incorporation on the Fracture Toughness Properties of Denture Base Poly(Methyl Methacrylate)" pptx
... filler type, distribution and composition had a strong effect on fracture toughness, the properties of the polymer matrix may also contribute to enhance KIC Schulze et al.11 concluded that an increase ... The Effect of SBF Exposure on Fracture Toughness The mechanical properties of denture-base polymers could be affected by an aqueous environment in the long term.12 Figure shows the effects of ... micrograph of fracture toughness surfaces of the 10 wt% (BaTiO3-filled) PMMA matrix after 28 immersion days at 10000X Effect of Filler Incorporation on the Fracture Toughness Properties 10 CONCLUSION...
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In vitro and ex vivo effect of hyaluronic acid on erythrocyte flow properties pps
... was fractioned in aliquots (1 ml) The first sample (control; n = 6) was additioned with ml of neutralized elution solution and the other ones with ml of purified HA in rising concentrations, yielding ... vitro effect of several.hyaluronic acid (HA) concentrations on rigidity index (RI) Each sample was fractioned in aliquots (1 ml) The first sample (control; n = 6) was additioned with ml of neutralized ... two fractions One of them (HA group; n = 6) was added with purified HA to reach concentrations similar to those found in serum of RA patients, and the same volume of the elution solution was added...
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báo cáo khoa học: " The effect of experimental warming on leaf functional traits, leaf structure and leaf biochemistry in Arabidopsis thaliana" pdf
... plant respiration probably by affecting mitochondrial number and size Conclusions In conclusion, we investigated the effects of experimental warming on leaf functional traits, leaf structure, and ... the effects of experimental warming on leaf photosynthesis and respiration acclimation, but leaf structure (microstructure and ultrastructure) and biochemical processes were seldom focused on ... corresponding to nonspecific absorption at 600 nm were subtracted The MDA concentration was calculated using its extinction coefficient (155 mM-1 cm-1) The extraction and content determination of...
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Effect of stitch length on Lycra And Without Lycra plain Single jersey fabric dimension & properties
... temperature Hygral expansion is defined as the percentage change in dimensions of relaxed fabric from wet condition to dry condition Impact of Fabric stitch length on Fabric Dimensional Stability Plain ... analyses of variance, it is seen that the effects of stitch length on the dimension and properties of the Plain single fabrics inspected are highly significant Sample fabric production Fabric ... Presentation on Effect of stitch length on Lycra And Without Lycra plain Single jersey fabric dimension & properties Prepared By : Prepared By : Mazadul Hasan...
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Báo cáo y học: " Effect of Weight Reduction on Cardiovascular Risk Factors and CD34-positive Cells in Circulatio"
... examined consisted of severe calorie restriction along with vitamin supplements and administration of human chorionic gonadotropin (hCG), a hormone that encourages metabolic utilization of visceral ... Silveira A, Hansson LO, Pernow J, Ericsson CG, Hamsten A, Tornvall P Relation of hypertriglyceridemia to plasma concentrations of biochemical markers of inflammation and endothelial activation (C-reactive ... Schäfer K Effects of Obesity and Weight Loss on the Functional Properties of Early Outgrowth Endothelial Progenitor Cells Journal of the American College of Cardiology 2010; 55: 357-367 23 Simeons...
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