garti1 and martin e leser2 emulsification properties of hydrocolloids polymers for advanced technologies 12 2001 p 123 135
Mechanical properties of solid polymers Constitutive modelling of long and short term behaviour pptx
... stress and temperature dependence While in the case of a single process the influence of stress and temperature was comparable, this does not hold for two processes since the molecular processes ... uniaxial extension at Hz, and temperatures ranging from -150 to 200 ◦ C Stress relaxation experiments were performed on a Frank 81565 tensile tester, while tensile and creep experiments were performed ... representation of the linear creep compliance versus time for a polymer glass at a fixed temperature The form of the time dependence of relaxation modulus and creep compliance can be captured by a mechanical...
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Báo cáo khoa học: "Exploiting Aggregate Properties of Bilingual Dictionaries For Distinguishing Senses of English Words and Inducing English Sense Clusters" ppt
... has some similarities to the techniques presented here in that it considers topological properties of the graph of synonymy relationships between words The current paper can be distinguished on ... this topology can be interpreted as indicating that e2 and e3 exemplify differing senses of e1 We decided to investigate and apply it with more generality This will be discussed in the next section ... aggregate evidence of synonymy between deposit and sell is weak, limited to languages, and is most likely the result of a word polysemy restricted to a few Germanic languages Different Senses:...
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Báo cáo Y học: Effect of ibuprofen and warfarin on the allosteric properties of haem– human serum albumin A spectroscopic study potx
... of ibuprofen and warfarin on the EPR spectroscopic properties of ferrous HSA–haem-NO X-band EPR spectra of ferrous HSA– haem-NO were obtained in the absence (spectrum a) and in the presence of ... Fig Effect of ibuprofen and warfarin on the electronic absorption spectroscopic properties of ferric HSA–haem Electronic absorption spectra of ferric HSA–haem were obtained in the absence (spectrum ... and 2173 8C X-band EPR spectra of ferrous HSA–haemNO (3.0 Â 1024 M ) in the absence and presence of ibuprofen and warfarin (5.0 Â 1022 M ) were collected on a Bruker ESP 300 spectrometer, operating...
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evaluation of shape and size effects on optical properties of zno pigment
... Microscopy (FE-SEM) at an accelerating voltage of 15 kV The diffuse reflectance spectra of prepared powders were measured by JASCO V-670 UV–vis Spectrophotometer (in the range of 220–2200 nm) The specific ... microscopy (AFM) measurements for ascertaining the surface roughness of the scale-like and nanoparticle-decorated pigments were performed by atomic force spectroscope (AFM; DME Dualscope DS-95-200 -E; ... of ice particles [33] The higher surface roughness of nanoparticle-decorated ZnO led to multiple scattering and increasing of the reflectance Presence of nanoparticles on the pigment surface enhanced...
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Báo cáo hóa học: " Effect of Purity and Substrate on Field Emission Properties of Multi-walled Carbon Nanotubes" pdf
... are influenced by the purity of the MWNT and by the presence of the graphitic layer between the MWNT and the substrate (carbon paper) The field emission properties have been studied and the results ... between the nanotubes and carbon paper in Sample C The absence of the graphitized layer between the MWNT and carbon paper in samples B and D adversely affects their performance Moreover, for samples ... samples, due to the purity of the carbon nanotubes and the presence of the graphitic layer which provides better adhesion between the CNTs and the substrate It shows excellent field emission properties...
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THERMAL PROPERTIES OF GREEN POLYMERS AND BIOCOMPOSITES doc
... type DSC, the temperature difference between the sample and reference is measured as a function of temperature or time, under controlled temperature conditions The temperature difference is proportional ... temperature difference is detected between the sample and reference, due to a phase change in the sample, energy is supplied until the temperature difference is less than a threshold value In heat ... order to measure the mechanical properties of green polymers Force was applied by either elongation or compression methods The tensile method was applied to films, sheets and plates and the compression...
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Báo cáo lâm nghiệp: "End-use related physical and mechanical properties of selected fast-growing poplar hybrids (Populus trichocarpa × P. deltoides)" potx
... The latter crossing was rejected earlier in the selection stage due to lower disease resistance and eccentric stem form Some of the variations in wood properties, have nevertheless, been interpreted ... the trend of increasing density 3.4 Veneer quality – Density and mechanical properties of plywood Figure gives an overview of the e ciency of the veneer processing as well as the different yield ... lower degree of heartwood discoloration The mother clone of ‘Beaupré’ and ‘Hoogvorst’ appears to have a negative influence on the whiteness of the veneer sheets The influence is lower in ‘Beaupré’...
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Thermal Properties of Green Polymers and Biocomposites Part 1 ppt
... spectrometry NaCS Sodium cellulose sulfate OHV hydroxyl group value PCL polycaprolactone PEG polyethylene glycol PEP polyester polyol PPG poly(propylene glycol) PSt polystyrene PU polyurethane PVA poly(vinyl ... received particular attention, since people have become more environmentally conscious During the last fifty years, green polymers have sometimes been neglected compared to more high profile research ... derivative thermogravimetry derivative thermal decomposition temperature electron spin resonance activation energy dynamic storage modulus Thermal Properties of Green Polymers and Biocomposites x E ’...
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Thermal Properties of Green Polymers and Biocomposites Part 4 doc
... used In the power compensation type DSC, if a temperature difference is detected between the sample and reference, due to a phase change in the sample, energy is supplied until the temperature ... difference is less than a threshold value In heat flux type DSC, the temperature difference between the sample and reference is measured as a function of temperature or time, under controlled temperature ... Instron type mechanical testing machine in order to measure the mechanical properties of green polymers Force was applied by either elongation or compression methods The tensile method was applied to...
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Thermal Properties of Green Polymers and Biocomposites Part 5 pot
... preparation; see Figure 3-16 caption Measurement; Power compensation type DSC (Perkin Elmer) Temperature increased abruptly from room temperature to each pre-determined temperature and exothermic trace was ... amount of amorphous region (see Table 3-1) and change of mechanical properties were observed Thermal Properties of Cellulose and Its Derivatives 67 Figure 3-34 (A) Relationship between free water ... representative papers are cited in the references [4-18] Crystallinity of natural cellulose depends on the original plants The values Thermal Properties of Cellulose and Its Derivatives 41 of...
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Thermal Properties of Green Polymers and Biocomposites Part 7 pptx
... elongation versus temperature curves, two peaks are observed for DL and one peak for KL It is clear that temperature dependence of tensile properties accords well with viscoleastic properties Lignin ... Lignin 191 Figure 5-24 The temperature dependence of the tensile properties of lignin supported by filter (cellulose) paper Solid line: DL, Dotted line: KL Samples; Dioxane lignin (DL) and Kraft lignin ... absolute temperature (K-1) The T1 value decreases in a temperature higher than 250 K where a minimum value is observed When temperature exceeds the minimum value, T1 increased with decreasing temperature...
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Thermal Properties of Green Polymers and Biocomposites Part 8 ppt
... 653 and 703 K The above temperatures correspond to the temperatures where DTd1 and DTd2 are observed As seen from Figure 6-16, the changes of the peak intensities corresponding to C-O-C, C=O and ... with the presence of a small amount of DBTDL ALPCL and KLPCL sheets were prepared by heat-pressing the synthesized polymers at 430 – 450 K under ca 10 MPa A schematic chemical structure of LigPCL ... Figure 6-8 shows representative E curves of CAPCL with various CL/OH ratios measured at frequencies from Hz E (Pa) gradually decreases from 120 to 220 K and a steep decrease is observed at temperatures...
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Thermal Properties of Green Polymers and Biocomposites Part 9 pdf
... temperatures (Tg’s) with PEP and PPG contents of PU’s prepared from the PEP-PPG-MLP-MDI system [12] Figure 7-21 shows DSC curves of PU’s prepared from the PEP-PPGMLP-(MDI/TDI) system As seen from the ... curves of PU’s prepared from the PEP-PPG-MLP-MDI system Symbols and PPG / PE / MLP ratio (%) are shown in Table 7-5 Measurements; see Figure 224 caption (Chapter 2) Table 7-5 Symbols and PPG/ PEP ... contents of PU’s prepared from the PPG-MLP-MDI system [12] Figure 7-30 shows the change of MR723 with PPG and PEP contents in PU’s prepared from the PEP-PPG-MP-MDI system MR723 values not change...
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Thermal Properties of Green Polymers and Biocomposites Part 10 pdf
... say, the highest mechanical properties are observed when the density of PU composite becomes the highest value 308 Chapter Figure 8-5 DTG curves of wood meal-MLP type PU composites Measurements; ... groups as the reactive site In the polyurethane (PU) preparation, the hydroxyl groups in plant components are effectively used as the reactive site The PU’s prepared from plant components are not only ... geostabilizers in sand and the mechanical and thermal properties of the above geocomposites are considered in this section 3.1 Preparation Three kinds of polyol were prepared; one portion of KL, LS or...
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Synthesis and fine tuning the emission properties of new amphiphilic conjugated polymers
... PPP poly (p- phenylene) PPyrr polypyrrole PPS poly (p- phenylene sulphide) PPSA poly (p- phenylene sulfide-phenyleneamine) PPSAA poly (p- phenylene sulfide-phenyleneamine-phenyleneamine) PPV poly (p- phenylenevinylene) ... poly (p- phenylenevinylene) (PPE),81,151,160-169 (PPV),140,149-159 poly(salphenyleneethylene) poly (p( PSPE) ,126 polythiophene (PT),170-177 poly(3,4-ethylenedioxythiophene) (PEDOT),178-180 polypyrrole (PPyrr),181-185 ... synthesis, processing and applications 4-32 The goal of this chapter is to provide a survey of up-to-date examples of reported conjugated polymers especially poly (p- phenylene)s (PPPs) and poly(m-phenylene)s...
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Effects of compost, mycorrhiza, manure and fertilizer on some physical properties of a Chromoxerert soil
... amendments on soil physical properties such as aggregation, porosity and water-holding capacity In the related literature, effects of separately applied organic matter on soil properties were studied ... classified as an Entic Chromoxerert (Soil Survey Staff, 1994) Some selected properties of the soil at the beginning of the experiment in 1995 are given in Table 2.2 Preparation of compost and mycorrhizal ... analysis of variance for each depth (0–15 and 15–30 cm) was performed to find the effects of treatments on soil physical properties, and the least significance difference test was used to establish...
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DSpace at VNU: Effects of pH and salt concentration on functional properties of rambutan (Nephelium lappaceum L.) seed albumin concentrate
... treatment All experiments were performed in triplicate The experimental results were expressed as means Ỉ standard deviations Mean values were considered significantly different when P < 0.05 One-way ... repulsion promoted the formation of the necessary intermolecular forces between the protein molecules and resulted in better gelation At pH and 10, the LGC increased probably due to increased ... Effects of pH and salt concentration H T H Vuong et al studies reported functional properties and e ects of processing parameters on functional properties of water-soluble proteins from different...
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Federal Implementation Plans to Reduce Interstate Transport of Fi Particulate Matter and Ozone in 27 States; Correction of SIP Approvals for 22 States pptx
... CAIR requirements have remained in place and CAIR’s emission trading programs have operated while EPA developed replacement rules in response to the remand By promulgating the Transport Rule FIPs, ... after several years or even decades and have the potential for long-term adverse impacts on forest ecosystems Ozone damage to the foliage of trees and other plants can also decrease the aesthetic ... later in the preamble d Public Comments EPA received comments on two issues related to the NAAQS regulated under the proposed FIPs A number of commenters believed that EPA’s approach to ozone...
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Báo cáo khoa học: Gain of structure and IgE epitopes by eukaryotic expression of the major Timothy grass pollen allergen, Phl p 1 pdf
... of the recombinant allergen were grown The IgE binding properties of insect cell-expressed Phl p were compared with those of E coli-expressed and natural Phl p by competition studies performed ... insect cell-expressed Phl p was observed A T Ball et al despite preincubation with an excess of E coliexpressed Phl p Whether insect cell-expressed Phl p contains the IgE epitopes of a natural Phl ... from different species Insect cell-expressed Phl p contains the IgE epitopes of natural Phl p A comparison of the IgE binding capacity of E coliand insect cell-expressed Phl p under nondenaturing...
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