chemical and physical properties of the vitamins
A review of the chemical and physical mechanisms of the storage stability of fast pyrolysis bio oils
... 38 v A REVIEW OF THE CHEMICAL AND PHYSICAL MECHANISMS OF THE STORAGE STABILITY OF FAST PYROLYSIS BIO-OILS ABSTRACT Understanding the fundamental chemical and physical aging mechanisms ... during pyrolysis • The extent of vapor dilution in the reactor • The time and temperature history of the vapors in the reactor • The time and temperature history of the vapors in the heated transfer ... volume” of the solute, solubility is predicted This is satisfied if the distance from the center of the solvent sphere to the center of the solute sphere (Rij) is smaller than the radius of the solute...
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Tài liệu PHYSICAL, CHEMICAL, AND MECHANICAL PROPERTIES OF BAMBOO AND ITS UTILIZATION POTENTIAL FOR FIBERBOARD MANUFACTURING docx
... utilization The physical and mechanical properties of bamboo vary with the age of the bamboo and the height of the culm [Chauhan 2000] In general, SG and the properties of bamboo drop from the top ... fiberboard and evaluate water soaking, modulus of elasticity (MOE), modulus of rupture (MOR), and internal bond (IB) properties of the panels and compare the age effect on the physical and mechanical properties ... focuses on the utilization of bamboo fibers to MDF This chapter investigated the effects of age of bamboo fibers and the resin content level on the physical and mechanical properties of the manufactured...
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PREDICTION OF CHEMICAL REACTIVITY PARAMETERS AND PHYSICAL PROPERTIES OF ORGANIC COMPOUNDS FROM MOLECULAR STRUCTURE USING SPARC pptx
... contributions of the OH with either the =N or the nitro groups making the pKa1 extremely acidic On the other hand, the field effect of the negatively charged groups (SO3- and O-) and the H-bond of the ... chemical and physical properties to Program Offices (e.g., Office of Water, Office of Solid Waste and Emergency Response, Office of Prevention, Pesticides and Toxic Substances) and Regional Offices ... databases The strength of the electrostatic interaction between S and C depends on the magnitude and relative orientation of the local fields of S and C and the dielectric properties and distances...
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research on fabrication and the physical properties of the multi-component ceramics based on pzt and the relaxor ferroelectric materials
... materials The objective of the thesis is: (i) Fabrication and research the effects of Pb(Zr0,47Ti0,53)O3 on the structure, microstructure and the physiscal properties of xPb(Zr0,47Ti0,53)O3 - ... To study the effect of Zr/Ti ratio in PZT on the structure, and the properties of the PZT - PZN - PMnN ceramics, determine PZT content which ceramics have good electrical properties and the relaxor ... The thesis is a fundamental research have oriented applications The systematic research of the dielectric, piezoelectric and ferroelectric properties contribute further understanding of the physical...
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A comparative study of the biological and physical properties of viscosity enhanced root repair material (VERRM) AND MTA
... 1998a), the principal component of MTA is Portland Cement There are kinds of MTA available: one is Gray MTA and the other is White MTA The main difference between the two is the lack of the aluminoferrite ... by Holland et al (1999a), and Holland et al (2001b), that the mode of action of MTA was similar to Calcium hydroxide The basis for the biologic properties of MTA was due to the production of hydroxyapatite ... super-EBA by implanting them in the mandible and tibia of guinea pigs After anesthetizing the guinea pigs, tissue flaps were raised and bony cavities drilled in the mandible and tibia The materials were...
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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
... complexes of GGH, where the a carbon of the His residue is the sole source of chirality [10] However, while positions of the component dd bands and of CT transitions are relatively constant, their ... albumins On the other hand, the direct thermodynamic and kinetic characterization of Ni(II) binding at site I in HSA and BSA was obtained These data can be very useful in further studies of the toxicologically ... values) of Ni(II) and Cu(II) complexes of peptides at I = 0.1 M (KNO3) and 25 C Standard deviations on the last digits are given in parentheses EPR The X-band EPR spectra of Cu(II) complexes of VIHN...
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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
... comparison of the electronic absorption and RR spectra of the wild type and Thr171Ser either in the presence of the aromatic donor BHA or at alkaline pH Addition of saturating amounts of BHA did ... between the magnitude of the changes in Fe-His band frequencies and the redox potential values This is exemplied by the case of CCP and its mutants D235E, D235N and D235A [27] The H-bond between the ... between the proximal His and Asp residues that is weakened at alkaline pH Therefore, on the basis of their sensitivity to pH, the bands at 220 and 247 cm)1 are assigned to two m(Fe-Im) modes The band...
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Báo cáo khoa học: Effects of cardiomyopathic mutations on the biochemical and biophysical properties of the human a-tropomyosin docx
... for the wild type (WT) and mutant Tms The uncertainties listed are the standard errors of the mean and included the uncertainty in the determination of protein concentrations The values are the ... parameters for the thermal-induced unfolding of wild type (WT) and mutant Tms The values are the mean ± standard deviation of at least three experiments Tm1 is the midpoint of the thermal transition ... indicate that the main effects of mutations A63V, K70T and E180G are mainly related to the overall stability of the protein as a whole, rather than on the position of the mutation in the polypeptide...
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Báo cáo khoa học: H NMR study of the molecular structure and magnetic properties of the active site for the cyanomet complex of O2-avid hemoglobin from the trematode Paramphistomum epiclitum pdf
... is the angle between the projection of the tilt of the z axis on the xÂ, y plane (dened direction of tilt of z and the x axis), and j % a + c denes the location of the rhombic (x, y) axes The ... The two structures of WT metHb and rWT metHbH2O, exhibit signicant differences in the interaction of the FG loop with the heme and in the position of the B-helix, with Tyr32(B10) closer to the ... of WT and the other of rWT metHb, exhibit differences that include important portions of the protein that we have characterized above Thus parts of the FG corner move away from the heme and the...
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Báo cáo khoa học: Structural aspects and biological properties of the cathelicidin PMAP-36 pot
... to other cathelicidins such as SMAP-29, BMAP-27 and BMAP-28 The amidated form would further increase the charge of the dimer to +28 (see Table 1) Here we further investigated the expression of ... on the surface of both the E coli and S aureus cells The dimeric peptide, in particular, can be seen to have caused the complete collapse of the membrane in E coli, and severe disruption of the ... at the proform level of the cathelicidin [21], and this structure is likely to persist in the mature peptide Indeed, it may explain the different activity spectra and potencies observed for the...
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chemical and biological properties of food allergens
... transported to the nearest lymph nodes and then—in the blood—to other organs (Bjorksten et al., 2001) The next stage is the mode of presentation of the antigen to Th0 cells and biochemical and functional ... Chemical and Biological Properties of Food Allergens Chemical and Functional Properties of Food Components Series SERIES EDITOR Zdzisław E Sikorski Chemical and Biological Properties of Food ... to activate their functions Therefore, it seems that the character and volume of stimulation are determined by the type and dose of an antigen, the mode of presentation in terms of costimulatory...
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Báo cáo hóa học: " Structural and physical properties of antibacterial Ag-doped nano-hydroxyapatite synthesized at 100°C" pptx
... agreement with the results of XRD and TEM, the FTIR and FT-Raman spectra of the HAp show the absorption bands characteristic of hydroxyapatite XPS results provide the additional evidence for the successful ... information about the size and typical shape of the as-prepared samples The results suggest that the doping Ag+ has little influence on the morphology of the HAp The samples prepared at the atomic ratio ... (AgNPs) [31] The exact antibacterial action of AgNPs is not completely understood [32] On the other hand in the literature, the studies on the preparation and characterization of the silver-doped...
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Báo cáo hóa học: " Characterization and Optical Properties of the Single Crystalline SnS Nanowire Arrays" pot
... analysis reveals that the product is composed of stannum and sulfur, and the ratio of the S atom and Sn atom is 1:0.985, which just accords with the stoichiometric ratio of SnS The representative ... clusters of nanowires The clusters may result from the situation that the nanowires not cover by the framework of AAO template but stand free incompletely When the alumina on the top of AAO template ... From these figures it can be estimated that the length of the nanowires is about several tens of micrometers It corresponds with the thickness of the AAO template which we used TEM images of SnS...
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Báo cáo khoa học " In vitro cytostatic and immunomodulatory properties of the medicinal mushroom Lentinula edodes " pdf
... (ANOVA), and calculations were done by the EP16 programme Results and discussion Chemical and FTIR analyses The analytical characteristics of the extracts isolated from the fruit body and mycelium of ... solution In the incubation chamber the gas mixture consisted of 5% CO2 and 95% air Furthermore, the humidity was adjusted to 85%, so as to diminish evaporation of the culture medium and the consequent ... directly and act as co-stimulators in the presence of the T-mitogen, PHA The SIcomit/SImit ratio was $2 In accord with the interpretation of the comitogenic test the ratio indicated adjuvant properties...
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Synthesis and Physical Properties of Polyester Amides Derived from Lipid-Based Components
... decrease of thermal stability a The increase of ester to amide ratio did not impact dramatically the thermal degradation of the PEAs b The increase of ester to amide ratio decreased the thermal ... temperature) Study the effects of crystallinity on the physical properties of the PEAs Prepare a PEA with an ester to amide ratio of 4:1 in order to model the trend observed in the physical properties ... groups Increase the molecular weights of the synthesized PEAs to further improve the thermal and mechanical properties (such as changing the amino acid to polypeptide or increasing the reaction...
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Báo cáo vật lý: "Structural and Dielectric Properties of the Mn-Doped BaO-Nd2O3-4TiO2 System" ppt
... 0.8 μm The lengths of the rod-like grains were of 2.0 to 2.5 μm As the temperature was increased to 1300oC, the grains became slightly larger, with diameters of 1.0 to 1.2 μm The lengths of the ... capacitance comprises the capacitance of the grain and air in the pores It is well known that the capacitance of air is very much less than that of the grains.17 Therefore, the less dense sample has a ... patterns for all the compositions fit well with the orthorhombic 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,...
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Báo cáo y học: "Reliability and psychometric properties of the Greek translation of the State-Trait Anxiety Inventory form Y: Preliminary data" pps
... Distribution of the total score for the Trait subscale of the STAI Figure Distribution of the Trait and State scores of the STAI in normal subjects Distribution of the Trait and State scores of the STAI ... the study Translation and back translation were made by two of the authors; one of whom did the translation and the other who did not know the original English text did the back translation The ... In 20 of the patients the instrument was re-applied 1–2 days later tions may provide an impression of the stability of results over time Also, the means and the standard deviations of the differences...
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Báo cáo y học: " Preliminary data concerning the reliability and psychometric properties of the Greek translation of the 20-item Subjective Well-Being Under Neuroleptic Treatment Scale (SWN-20)" pdf
... regardless of the improvement in their psychotic symptoms The current study reports on the reliability and the psychometric properties of the Greek translation of the SWN-20 Methods Study sample The ... KNF designed the study and participated in the analysis of the data, interpretation and writing of the manuscript MS, KM, EP, SM, IC, KA, AC and SD participated in the gathering of the data, interpretation ... between the two groups [25] In any case, the assessment of the patient's subjective experience may be of use in the evaluation of the differential effects of antipsychotics and their dose in SWB and...
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Báo cáo y học: " Dimensionality and scale properties of the Edinburgh Depression Scale (EDS) in patients with type 2 diabetes mellitus: the DiaDDzoB study" pot
... participated in the design of the study, and helped in writing the manuscript; FP participated in the design of the study, and helped in writing the manuscript All the authors have read and approved the ... one factor and items and load on the other factor, and a onefactor model with items to 10 (having removed items and 2) Comparison of the fit indices for the two -factor model and the eight-item ... property enables direct comparison of the psychometric properties of the EDS between males and females from the parameter estimates To test the goodness -of- fit of the estimated GRM, we used a graphical...
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Báo cáo y học: "Biophysical and enzymatic properties of the simian and prototype foamy virus reverse transcriptases" pptx
... is the reverse transcription of the genomic RNA into double stranded (ds) DNA For formation of dsDNA, the RT catalyzes RNAand DNA-dependent DNA polymerization to synthesize the (-) and (+)-strand, ... substrate containing a fluorescent dye on the 3’ end of the RNA and a quencher on the 5’ end of the DNA Upon cleavage of the RNA the fluorescent dye is released from the quencher resulting in an increase ... detection of the fluorescence emission of the RNA template strand at 670 nm upon excitation at 633 nm The cleavage sites are indicated on the left The first nucleotide of the RNA hybridized to the...
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Tìm thêm: xác định các mục tiêu của chương trình khảo sát các chuẩn giảng dạy tiếng nhật từ góc độ lí thuyết và thực tiễn xác định thời lượng học về mặt lí thuyết và thực tế tiến hành xây dựng chương trình đào tạo dành cho đối tượng không chuyên ngữ tại việt nam điều tra đối với đối tượng giảng viên và đối tượng quản lí điều tra với đối tượng sinh viên học tiếng nhật không chuyên ngữ1 khảo sát thực tế giảng dạy tiếng nhật không chuyên ngữ tại việt nam nội dung cụ thể cho từng kĩ năng ở từng cấp độ xác định mức độ đáp ứng về văn hoá và chuyên môn trong ct phát huy những thành tựu công nghệ mới nhất được áp dụng vào công tác dạy và học ngoại ngữ mở máy động cơ lồng sóc các đặc tính của động cơ điện không đồng bộ hệ số công suất cosp fi p2 đặc tuyến hiệu suất h fi p2 đặc tuyến tốc độ rôto n fi p2 động cơ điện không đồng bộ một pha sự cần thiết phải đầu tư xây dựng nhà máy phần 3 giới thiệu nguyên liệu chỉ tiêu chất lượng theo chất lượng phẩm chất sản phẩm khô từ gạo của bộ y tế năm 2008 chỉ tiêu chất lượng 9 tr 25