poly vinyl aldehyde s poly vinyl ketone s and phosphorus containing vinyl polymers
Handbook of Polymer Synthesis Second Edition Episode 10 pps
Ngày tải lên :
13/08/2014, 16:21
... homo- and copolymers are tested as polymeric reagents, polymeric complexing agents, and polymeric carriers Poly( acrolein) microspheres can easily be bound to antibodies, proteins, and drugs containing ... potassium, sodium and lithium Potassium was the most active metal and gave a conversion of 90% after 20 h reaction Lithium, sodium and potassium gave rise to crystalline, possibly isotactic polymers during ... [435] Names in parentheses are those used in this chapter The polymerization behavior of Schemes (81a), (81b) and (81c) is similar to that of unsubstituted monomers [384] Copolymers of Schemes (81a),...
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research on fabrication and the physical properties of the multi-component ceramics based on pzt and the relaxor ferroelectric materials
Ngày tải lên :
04/12/2014, 02:54
... research and explains the survey results of physical properties of materials such as: ferroelectric phase transition, hysteresis loops, domain ferroelectric Some characteristics of the PZT based ... cleaners The layout of the thesis: The thesis is presented in four chapters including 118 pages Chapter LITERATURE REVIEWS Chapter presents literature reviews in dissertation research, as a basis ... temperature of several tens of degrees still have spontaneous polarization and hysteresis loops [5], [5], [58], [81] Recently, the materials scientists have been intensively investigating the...
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Báo cáo hóa học: "Influence of Cobalt Doping on the Physical Properties of Zn0.9Cd0.1S Nanoparticles" docx
Ngày tải lên :
22/06/2014, 00:20
... device (SQUID) magnetometer (QD MPMSXL) Results and Discussions Determination of phase composition, structure and particle size are very important for the discussions on the physical properties EPMA ... positions inside nanocrystals can affect physical properties of doped nanocrystals Homogeneously substitutional doping is one of the most important goals for achieving novel physical properties ... and CdS in the alloyed nanocrystals We also believe that there is no signature of CoS or other impurity phases in our samples XRD does not show any detectable signal of Co or CoS, which means...
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Báo cáo lâm nghiệp: " Selected physical properties of initial soils on the outside spoil bank of the Bełchatów brown coal mine" pot
Ngày tải lên :
07/08/2014, 03:22
... was composed of medium sands (light and strong) The loose and coarse sands accounted for 25.5% of these horizons, and loams only for 14.5% While 50.9% of Can horizons was composed of loose and ... northern slope of the outside spoil bank of the Bełchatów brown coal mine consisted of the following formations: sands (loose and coarse), medium sands (light and strong), and loams to a lesser extent ... and coarse sands, 20.4% of medium sands, and 12.7% of loams In 30% of the studied plots the horizon II Can was also identified, which was made up of loams in 52.9%, of loose and coarse sands in...
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A comparative study of the biological and physical properties of viscosity enhanced root repair material (VERRM) AND MTA
Ngày tải lên :
15/09/2015, 22:51
... interest due to its superior sealing ability and biocompatibility Although MTA possesses superior sealing ability and is less cytotoxic compared to traditional root-end filling materials such as Super-Ethoxy ... Animal test- this is where the material is placed in animals such as guinea pigs, rats, hamsters, or ferrets • Usage test- this is conducted in humans or animals (ISO 10993-1: 2003) There are several ... midline, under sterile aseptic conditions The mandibular bone on one side of the symphysis was exposed after careful dissection of the superficial soft tissues and a cylindrical hole was prepared...
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Thermal properties of the vernacular buildings envelopes: the case of the "Sassi di Matera" and "Trulli di Alberobello
Ngày tải lên :
05/09/2013, 14:58
... sources, it is possible to assure the least indoor comfort levels This is mainly owing to the seasonal-type heat storage in these structures (in winter, mass releases the heat stored in summer), ... analysis of these structures needs measurements in situ as well as numerical dynamic simulations Figure Dynamic simulation of indoor/outdoor temperatures of the “Sassi” buildings Conclusion The ... interesting result was the constant seasonal trends of the inside temperatures with values oscillating between 10 and 12°C during winter and between 25 and 26°C during summer Such values, during summer...
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Tài liệu Linux Device Drivers-Chapter 16 :Physical Layout of the Kernel Source ppt
Ngày tải lên :
21/01/2014, 07:20
... drivers/scsi is the IDE SCSI emulation code, a software host adapter that maps to IDE devices It is used, as an example, for CD mastering: the system sees all of the drives as SCSI devices, and ... used in MIPS DECstations) Whereas sbus includes both SBus support functions and drivers for some SBus devices, the others include only support functions Hardware drivers based on all of these ... interface standards The former class includes drivers/sbus, drivers/nubus, drivers/zorro(the bus used in Amiga computers), drivers/dio(the bus of the HP300 class of computers), and drivers/tc (Turbo...
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Tài liệu Psychometric properties of the quality of life scale Child Health and Illness Profile-Child Edition in a combined analysis of five atomoxetine trials pdf
Ngày tải lên :
12/02/2014, 19:20
... loadings [0.30 are presented) Items Sub-domains Domains SH Satisfaction SH Satisfaction SH Satisfaction SH Satisfaction PC Comfort SS SS 0.54 0.41 0.31 0.31 0.52 0.44 Satisfaction 0.50 0.33 Satisfaction ... consistency of domains and subdomains was robust against single missing items, except for changes in the TA sub-domain and the AP subdomain Results from those sub-domains should only be used ... States This large sample size together with the longitudinal assessment of the questionnaire makes this analysis unique Previous evaluations of the CHIP-CE used only cross-sectional samples and...
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Tài liệu Báo cáo khoa học: Toggle switches, pulses and oscillations are intrinsic properties of the Src activation/deactivation cycle doc
Ngày tải lên :
18/02/2014, 11:20
... analysis shows that up to three different s1 values can correspond to a single si value This Z-shaped plot of this first QSS curve, s1 versus si, is illustrated in Fig (see also the Fig S1 ) The second ... increases in (a) b ¼ K4 =Stot ; (b) the ratio n of quasi steady-state concentrations s2 and s1 ; and (c) the rate constants k3 and k7 (see, Fig S3 C–F) Switches, pulses and oscillations in Src signaling ... progression along a Z-shaped QSS curve in the (si, s1 ) plane shown in Switches, pulses and oscillations in Src signaling Fig A larger variety of Src responses to changes in [RPTP] is observed...
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Tài liệu Báo cáo khoa học: Properties of the recombinant glucose⁄galactose dehydrogenase from the extreme thermoacidophile, Picrophilus torridus ppt
Ngày tải lên :
19/02/2014, 16:20
... use of an expression strain supplying tRNAs for these codons, and the E coli Rosetta strain was tested as such a host As an alternative, another expression vector was constructed, p24-glucose ... Assay system (Bio-Rad Laboratories, Hercules, CA, USA) with bovine serum albumin as a standard Assay for glucose dehydrogenase activity and enzyme kinetics Glucose dehydrogenase activity was assayed ... passage through a French Press Cell Strains and growth conditions Picrophilis torridus DSM 9790 was obtained from the Deutsche Sammlung fur Mikroorganismen und Zellkulturen ¨ (DSMZ) and was grown...
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Tài liệu Báo cáo Y học: Electrochemical, FT-IR and UV/VIS spectroscopic properties of the caa3 oxidase from T. thermophilus docx
Ngày tải lên :
21/02/2014, 15:20
... discussed oxidases The study of these aberrant systems is important to understand the principles of these enzymes The cytochrome c oxidase from T thermophilus studied in this work lacks a key residue ... processes such as proton transfer can be expected to manifest themselves in the spectra In the following paragraph the difference spectra will be described and discussed Tentative assignments will ... bands, we used deuteration of the sample and FT-IR spectra studies in the presence of the inhibitor cyanide support our tentative assignments Tentative assignments of difference signals to polypeptide...
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Tài liệu Báo cáo Y học: Short peptides are not reliable models of thermodynamic and kinetic properties of the N-terminal metal binding site in serum albumin doc
Ngày tải lên :
22/02/2014, 04:20
... with HSA alone The similarity of rates between HSA and BSA suggests that this process may be common for albumins possessing site I However, a rather vague theory that the spectroscopic and kinetic ... 3.4 and 1.9, respectively, vs 3.1 and 2.0 for analogous phosphate complexes [33] In all cases 1st order kinetic curves were seen Table presents the corresponding constants kobs, obtained by leastsquare ... concentrations of peptides and metal ions The intensities of CD bands of 4N complexes (constructed by adding intensities at extremes of dd bands and normalized to molar fractions) are overlapped as d symbols...
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Tài liệu MECHANICAL PROPERTIES OF THE HEART AND ITS INTERACTION WITH THE VASCULAR SYSTEM ppt
Ngày tải lên :
22/02/2014, 09:20
... greatest pressure on the loop also represents the greatest pressure in the aorta, and this is called the systolic blood pressure (SBP) One additional pressure, the endsystolic pressure (Pes) is identified ... this relationship should be linear, it is simply an experimental observation Ees stands for end systolic elastance Elastance means essentially the same thing as stiffness and is defined as the ... constant As TPR is increased, the slope of the Ea line increases and intersects the ESPVR at an increasingly higher pressure and higher volume Thus, increasing TPR increases MAP but decreases SV (and...
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Báo cáo khoa học: Structure analysis of the flavoredoxin from Desulfovibrio vulgaris Miyazaki F reveals key residues that discriminate the functions and properties of the flavin reductase family pdf
Ngày tải lên :
07/03/2014, 02:20
... was used as a positive control in activity measurements, has a cysteine (Cys147) and three histidine (His15, His20 and His45) residues, which could be candidates for ferric ion-binding FEBS Journal ... (a14), two 310 helices (31012) and 12 b strands (b112) as secondary structural elements; it also has a Greek key motif with seven anti-parallel b strands (Figs and 2A), which is also found in DvMF ... peaks at each of these sites These densities were assigned as zinc ions derived from the crystallization solution as an additive The zinc ion closest to FMN, Zn201, is coordinated by the Sc atom...
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Báo cáo khoa học: Effect of oculopharyngeal muscular dystrophy-associated extension of seven alanines on the fibrillation properties of the N-terminal domain of PABPN1 pot
Ngày tải lên :
07/03/2014, 11:20
... presence of different concentrations of N-(+7)Ala seeds (seeding) and N-WT seeds (cross-seeding) Rate constants were calculated by assuming a first order reaction Standard deviations are based ... by N-WT seeds may also be due to less active N-WT seeds, cross-seeding experiments were performed As seen upon the addition of homologous seeds, incubation of N-(+7)Ala with N-WT seeds resulted ... arrangements of the b-strands inside the fibril 350 Whether the bead-like structure is caused by twist repeats or similar substructures, as reported for the SH3 domain of phosphatidyl inositol-3¢-kinase...
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Báo cáo khóa học: Structural properties of the protein SV-IV potx
Ngày tải lên :
07/03/2014, 14:20
... lacking disulfide bridges and possessing nine lysine and seven arginine residues, which represents a large number of potential hydrolysis sites for trypsin For this reason, we selected this protease ... decay tandem MS Structure predictions and modeling Software and databases publicly available on the net were used for the sequence analyses and structure predictions BLAST [29] was used to search ... of SV-IV are reported in the inset Each spectrum represents an average of five scans The SV-IV samples are in 50 mM Tris/HCl, pH 7.2 Results Conformational study of SV-IV Structural modifications...
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Báo cáo khoa học: Spectroscopic and kinetic properties of the horseradish peroxidase mutant T171S Evidence for selective effects on the reduced state of the enzyme potx
Ngày tải lên :
07/03/2014, 21:20
... stretches at 233 and 249 cm)1 This is a rather anomalous hybrid peroxidase, that exhibits the spectroscopic characteristics and substrate preferences of both class I and class III peroxidases ... reduced state of the enzyme We hypothesize that this residue imposes a degree of rigidity to the structure of the reduced state of class III peroxidases Results and Discussion Table shows some of ... 8.9 The pH sensitivity of these frequencies is a common characteristic of all peroxidases and is a consequence of the strong H-bond between the proximal His and Asp residues that is weakened...
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Báo cáo Y học: Properties of the Na+/H+ exchanger protein Detergent-resistant aggregation and membrane microdistribution potx
Ngày tải lên :
08/03/2014, 16:20
... were used and were prepared and subjected to SDS/PAGE essentially as previously reported [10] The standard buffer used for solubilization of Na+/H+ exchanger containing samples contained 2% SDS, ... [27] and for human testisenhanced gene transcript [28] It has been suggested that proteins susceptible to SDS-resistant aggregation retain a significant level of structure in the presence of SDS ... 5–40% discontinuous sucrose gradient was formed above by placing mL of 30% sucrose solution above the mL sample (40% sucrose) and then mL of 5% sucrose solution above the 30% sucrose solution...
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Báo cáo Y học: Electrostatic properties of the structure of the docking and dimerization domain of protein kinase A IIa doc
Ngày tải lên :
08/03/2014, 22:20
... subunits and possesses C2 symmetry Tables and summarize the structural statistics of the ensemble of 24 structures, the lowest energy and the best (smaller rmsd from the mean) structure of RIIa ... addition, we discuss the role of charges in function of RIIa D/D MATERIALS AND METHODS Sample preparation and NMR spectroscopy Sample preparations and the types of experiments and conditions used have ... open ˚ ˚ symbols possess NOE violations greater than 0.3 A up to 1.6 A Structures #47 and #48 possess dihedral angle violations greater than 5° up to 11° The vertical dashed line corresponds to the...
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Mechanical properties of solid polymers Constitutive modelling of long and short term behaviour pptx
Ngày tải lên :
09/03/2014, 00:20
... same stress dependence In this section, the stress-strain relations of Eq (2.17) are verified by constant strain-rate experiments (uniaxial tensile tests) at different strain rates, and stress ... post-yield range, the approaches based on stress activated spectra of relaxation times predict a constant flow stress, whereas in reality the stress changes due to intrinsic strain softening and ... SIMPLE MATERIALS The stress dependence of the single relaxation time is best demonstrated in creep tests at different stress levels At low stresses, the relaxation time of the element is constant,...
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