... scientists and engineers often require the properties of gases and liquids The chemical or process engineer, in particular, finds knowledge of physical properties of fluids essential to the design of many ... THE PROPERTIES OF GASES AND LIQUIDS CHAPTER ONE THE ESTIMATION OF PHYSICAL PROPERTIES 1-1 INTRODUCTION The structural engineer cannot design a bridge without knowing the properties of steel and ... temperature and density The correlation of a and b in terms of other properties of a substance is an example of the use of an empirically modified theoretical form Empirical extension of theory can often...
Ngày tải lên: 17/03/2014, 14:01
properties of gases and liquids
... review of various estimation procedures for a limited number of properties of gases and liquids: critical and other pure component properties; PVT and thermodynamic properties of pure components and ... properties of gases and liquids The chemical or process engineer, in particular, finds knowledge of physical properties of fluids essential to the design of many kinds of products, processes, and ... THE PROPERTIES OF GASES AND LIQUIDS Bruce E Poling Professor of Chemical Engineering University of Toledo John M Prausnitz Professor of Chemical Engineering University of California...
Ngày tải lên: 01/04/2014, 10:10
... and 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 ... on the physical properties of pulp [Tamolong 1967; Zamuco et al 1969] Aging of a bamboo culm influences physical, chemical, and mechanical properties, and consequently its processing and utilization ... bending properties, along longitudinal and radial directions of one, three, and five year old bamboo and determine the correlation between SG and bending properties, and (5) compressive strength of...
Ngày tải lên: 22/02/2014, 09:20
PREDICTION OF CHEMICAL REACTIVITY PARAMETERS AND PHYSICAL PROPERTIES OF ORGANIC COMPOUNDS FROM MOLECULAR STRUCTURE USING SPARC pptx
... 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 Also, SPARC has been used ... 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 through ... Effect 3.4.3.3 Temperature Effect 3.4.4 Results and Discussions 3.4.5 Conclusion PHYSICAL PROPERTIES 4.1 Estimation of Physical Properties 4.2 Physical Properties Computational Approach 4.3 SPARC...
Ngày tải lên: 22/03/2014, 14:20
gallant rb and jay railey physical properties of hydrocarbons
Ngày tải lên: 02/04/2014, 16:04
Báo cáo hóa học: " Structural and physical properties of antibacterial Ag-doped nano-hydroxyapatite synthesized at 100°C" pptx
... image and EDAX (Figure 4) spectrum of Ca10-xAgx(PO4)6(OH)2, with x = and 0.2, are shown The morphology of the nanoparticles of HAp and Ag: HAp was investigated by SEM SEM images provide the Page of ... 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 doping of ... and composition of the samples Figure shows the survey XPS narrow scan spectra of Ag:HAp (x = 0.2) nanopowder obtained at 100°C and XPS narrow scan spectra of Ag element In the XPS spectrum of...
Ngày tải lên: 20/06/2014, 23:20
Synthesis and Physical Properties of Polyester Amides Derived from Lipid-Based Components
... 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 versus ... biodegradability of PEAs with varying ratios of ester to amide groups Increase the molecular weights of the synthesized PEAs to further improve the thermal and mechanical properties (such as ... increased elasticity The increase of ester to amide ratio in PEA structure will diminish the mechanical strength of the polymer Synthesis of the PEA Step 1: Synthesis of different diols from oleic...
Ngày tải lên: 02/07/2014, 13:01
Báo cáo lâm nghiệp: "Comparison of physical and mechanical properties of tension and opposite wood from ten tropical rainforest trees from different species" pptx
... models of wood behaviour, a low value for MFA should result in (i) a high value of specific modulus of elasticity, (ii) a higher value of tangential and radial shrinkage, (iii) a low value of longitudinal ... decided to select 10 trees presenting clear sectors of reaction wood, with the widest possible diversity and to measure the physical and mechanical properties in the tension wood sector as compared ... Wood properties from tropical species 505 Figure Localization of specimen (disk and rods) used for the experiments 2.5 Air dry longitudinal modulus of elasticity The longitudinal modulus of elasticity...
Ngày tải lên: 07/08/2014, 16:21
research on fabrication and the physical properties of the multi-component ceramics based on pzt and the relaxor ferroelectric materials
... systematic research of the dielectric, piezoelectric and ferroelectric properties contribute further understanding of the physical properties of the multi-component ceramics based on PZT and the relaxor ... fabrication and the physical properties of the multi-component ceramics based on PZT and the relaxor ferroelectric materials The objective of the thesis is: (i) Fabrication and research the effects of ... EFFECTS OF CuO, Fe2O3 ON PROPERTIES OF PZTPZNPMnN CERAMICS 4.1 Effect of Fe2O3 on properties of PZT-PZN-PMnN ceramics To improve the mechanical quality factor Qm and dielectric loss tan of PZT-PZN-PMnN...
Ngày tải lên: 04/12/2014, 02:54
A comparative study of the biological and physical properties of viscosity enhanced root repair material (VERRM) AND MTA
... Portland Cement 2.2 Physical properties of MTA 2.3 Biological Properties of MTA 13 2.4 Comparison of White and Gray MTA 20 2.5 Comparison between MTA and ... STUDY OF THE BIOLOGICAL AND PHYSICAL PROPERTIES OF VISCOSITY ENHANCED ROOT REPAIR MATERIAL (VERRM) AND MTA PALLAVI UPPANGALA (BDS RGUHS, India) A THESIS SUBMITTED FOR THE DEGREE OF MASTER OF SCIENCE ... antimicrobial and antifungal properties similar to that of super-EBA and ZOE (Torabinejad et al 1995d, Al-Nazhan & Al-Judai 2003) The cytotoxic properties of MTA were lower than that of IRM and super-EBA...
Ngày tải lên: 15/09/2015, 22:51
Tài liệu Báo cáo khoa học: Interleukin-1-inducible MCPIP protein has structural and functional properties of RNase and participates in degradation of IL-1b mRNA doc
... mRNA and also of its own transcript For this reason, the level of mRNA for the wildtype form of MCPIP and the level of mRNA for IL-1b (Fig 5A, lane 3) were lower in comparison to the level of mRNA ... clarify the dynamics and features of this protein Role of MCPIP in regulation of the endogenous IL-1b transcript level After identification of a PIN domain in the MCPIP by use of bioinformatics, ... lanes 2,3 and 4, lower band) The levels of mutant and wild-type MCPIP mRNAs were higher when these vectors were co-transfected with a vector overexpressing IL-1b (Fig 5, lanes and 4, upper bands)...
Ngày tải lên: 18/02/2014, 14:20
Báo cáo khoa học: Origin and properties of cytoplasmic and mitochondrial isoforms of taurocyamine kinase pptx
... mitochondrial isoform (referred to henceforth as MiTK) as described below The cDNA for the cytoplasmic TK consists of 1811 bp with an ORF of 1098 bp and 5¢ and 3¢ untranslated regions of 21 and 692 bp, ... other hand, mitochondrial TK showed activity for taurocyamine, lombricine (30% of that of taurocyamine) and glycocyamine (7% of that of taurocyamine) Recombinant Arenicola MiTK was incapable of phosphorylating ... Alignment of mitochondrial targeting sequences of vertebrate and invertebrate MiCKs and Arenicola MiTK Sequences correspond to ubiquitous (uMiCK) and sarcomeric (sMiCK) MiCKs from man and chicken and...
Ngày tải lên: 07/03/2014, 21:20
Báo cáo Y học: Molecular cloning, bacterial expression and properties of Rab31 and Rab32 docx
... lg of platelet protein and 0.5 lg of GST and GST±Rab proteins; (B) an [a-32P]GTP overlay [17] of a nitrocellulose blot of a gel containing 40 lg of platelet protein, 0.5 lg of GST and 0.5 lg of ... form of Rab32 (see Discussion) Fig Puri®cation and properties of wild-type and mutant Rab31 and Rab32 expressed as GST±fusion proteins Samples of platelet particulate fraction protein and of puri®ed ... immunoblot of a gel containing 20 lg of platelet protein and 0.1 lg of GST and GST±Rab proteins, using a : 1000 dilution of anti-Rab31 antiserum; (D) a similar immunoblot using a : 1000 dilution of anti-Rab32...
Ngày tải lên: 08/03/2014, 16:20
Báo cáo khoa học: Stability and fibril formation properties of human and fish transthyretin, and of the Escherichia coli transthyretin-related protein potx
... both in shape and in dimension to the fibrils of hTTR and sbTTR formed by heating The thick and straight morphology of heat-induced fibrils of hTTR, sbTTR and ecTRP is similar to that of amyloid fibrils ... Stability and fibril formation of TTR and TRP Fig DSC profiles of hTTR, sbTTR, and ecTRP The melting temperatures (Tm) were 97.8 °C for hTTR, 93.0 °C for sbTTR, and 66.7 °C for ecTRP Fig Analysis of tetramer ... that of TTRs and TRPs (Fig 1) In the current study, the fibril-forming and amyloidforming properties of three representatives from the TTR and TRP families were investigated Amyloidogenic properties...
Ngày tải lên: 16/03/2014, 01:20
First principles optical properties of silicon and germanium nanowires
... EMA models Optical properties of SiNWs and GeNWs In Section of the present paper, we aim to point out the importance of the many-body effects on the optical response of some of the studied nanowires ... in terms of the different geometrical structure of wires grown with different orientation Finally the comparison of the optical spectra of SiNWs and GeNWs with diameters of the order of 0.8 nm, ... Optical gaps in SiNWs and GeNWs: quantum confinement and anisotropy effects In this section, we will describe the electronic properties of hydrogen passivated, free standing silicon and germanium nanowires...
Ngày tải lên: 16/03/2014, 15:33
physical properties of aqueous suspensions of goethite nanorods
... evolutions of the first and ◦ ◦ second moments of the ODF, S1 and S2 , of an isotropic suspension versus magnetic-field intensity depending on the sign of the anisotropy of magnetic susceptibility and ... study of ferrofluid suspensions [34a,43], the birefringence and the magnetization of a suspension of goethite particles can be B.J Lemaire et al.: Physical properties of aqueous suspensions of goethite ... the magnetization and the magnetic birefringence of a monodisperse suspension of particles of size ν, magnetic moment µν and volume Vν Let us give the scaling properties of µν and Vν Since the...
Ngày tải lên: 20/03/2014, 13:06
structural and photocatalytic properties of iron- and europium-doped tio2
... that of TiO2 , suggesting similar Fe and Ti surroundings in the doped and undoped samples In order to verify this statement, the filtered EXAFS of L Diamandescu et al / Materials Chemistry and ... membrane filters and analysed on a DANI GC 1000 gas chromatograph Fig XRD patterns of hydrothermally synthesized doped and undoped TiO2 148 L Diamandescu et al / Materials Chemistry and Physics 112 ... L Diamandescu et al / Materials Chemistry and Physics 112 (2008) 146–153 Experimental Results and discussion 2.1 Hydrothermal synthesis 147 3.1 X-ray diffraction Fe3+ - and Eu3+ -doped and -codoped...
Ngày tải lên: 20/03/2014, 13:08
Báo cáo " The impact of environment on morphological and physical indexes of Vietnamese and South Korean students " docx
... races and physical of Ede’s males in Tay Nguyen” by Mai Van Thin, “Some morphological and physical indexes of learners of Thanh Hoa Teachers Training College” by Mai Van Hung, “ The indexes of morphological ... of Science, Natural Sciences and Technology 24 (2008) 50-55 Conclusions For the reality of anthropometry index of South Korean students: Basic morphological and physical indexes of students of ... between females and males of Korean students Comparison of basic anthropometric indexes of Korean students and Vietnamese students Average basic anthropometric indexes of Korean students and Vietnamese...
Ngày tải lên: 22/03/2014, 09:20
mechanical properties of polymers and composites nielsen doc
... Effect of MokcLil.ir Weight Effect of Cross-linking Effects of Crystallinity and Morphology Effects of Plasticizcrs and Copolymerization Effect of Molecular Orientation Effect of Strength of Intcrmolccular ... in Appendix I, have the widest variety and range of mechanical properties of all known materials Polymers vary from liquids and soft rubbers to very hard and rigid solids Unfortunately, this virtuosity ... dependence on temperature and time of the properties of polymers compared to those of other materials such as metals This strong dependence of properties on temperature and on how fast the ma terial...
Ngày tải lên: 22/03/2014, 12:20
mechanical properties of polymers and composites nielsen pot
... Effect of MokcLil.ir Weight Effect of Cross-linking Effects of Crystallinity and Morphology Effects of Plasticizcrs and Copolymerization Effect of Molecular Orientation Effect of Strength of Intcrmolccular ... in Appendix I, have the widest variety and range of mechanical properties of all known materials Polymers vary from liquids and soft rubbers to very hard and rigid solids Unfortunately, this virtuosity ... dependence on temperature and time of the properties of polymers compared to those of other materials such as metals This strong dependence of properties on temperature and on how fast the ma terial...
Ngày tải lên: 22/03/2014, 13:20