3 physical properties of thermotropic liquid crystals

physical properties of aqueous suspensions of goethite nanorods

physical properties of aqueous suspensions of goethite nanorods

... birefringence of ferrofluid suspensions [34 a] and the birefringence of liquid crystals [39 ] We combine here the models for ferrofluids and liquid crystals, since both terms of the magnetic energy of goethite ... a function of the angle θ Taking µ ≈ 1000 µB , V ≈ 3. 7×10− 23 m3 , ∆χ ≈ 3 10−4 , the coefficients µ and ∆χV /2µ0 of the cos θ and cos2 θ terms of equation (10) are of the same order of magnitude ... study of ferrofluid suspensions [34 a, 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...

Ngày tải lên: 20/03/2014, 13:06

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PREDICTION OF CHEMICAL REACTIVITY PARAMETERS AND PHYSICAL PROPERTIES OF ORGANIC COMPOUNDS FROM MOLECULAR STRUCTURE USING SPARC pptx

PREDICTION OF CHEMICAL REACTIVITY PARAMETERS AND PHYSICAL PROPERTIES OF ORGANIC COMPOUNDS FROM MOLECULAR STRUCTURE USING SPARC pptx

... Isoelectric Points 3. 2.7 Conclusion 32 33 33 34 36 41 48 50 3. 3 Estimation of Gas Phase Electron Affinity 3. 3.1 Introduction 51 51 iv 3. 3.2 Electron Affinity Computational Methods 3. 3 .3 Electron ... 5.07 5.00 3. 90 3. 80 4.28 4 .39 4.66 4.79 5.29 5.28 4.77 4.87 4.84 4.78 8 .35 8 .36 8 .34 9. 13 9 .31 8.75 9.40 10.68 11.02 10 .31 10.68 9.17 9.15 10.1 9. 93 4. 43 3.96 3. 75 3. 78 3. 90 3. 87 3. 89 3. 95 4.00 ... 4.07 4. 83 4.9 4. 23 4.12 3. 75 3. 44 9.51 8.67 8 .39 9.40 - Calc 4.20 3. 95 3. 80 3. 80 3. 86 3. 87 3. 86 3. 90 3. 96 3. 95 3. 98 4.61 4.51 4.02 4.12 3. 52 3. 48 9.75 9.91 8.70 8.70 10.1 10.0 9.42 3. 2.5...

Ngày tải lên: 22/03/2014, 14:20

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physical properties of chemical compounds

physical properties of chemical compounds

... nitramine Fluorine Chlorine Bromine Iodine 5.91 5 .37 7.44 7.59 6:72 7 .30 7.51 0.955.967 8.865 13. 900 2.45 3. 21 2.65 3. 59 3. 00 4 .36 2.48 2.47 3. 05 3. 79 3. 93 2.65 2.27 2.71 • This value for one fluorine ... ZO to B ~O.!!_:~ C Ael ZO to B81212" £ Z .37 9 6.9 533 4 134 3.9 43 ZI9 .37 7 I.Z79Z3 6Hv/Te Z Z Z 4 5 5 K c 'It 1T75"'"tot, I Z70 ·C A'I IZ5~ .3 Z3 -0 11760 175 38 0.0 C' A'e B'e to OC Ac I ZOO to BcL.!c ... =:-0::.;.: :0: :0~1.:.05:: j :4! 1I-d.,- to 108.79 30 Z7.49 Z r-:b= _ 30 mm 6Hm calli O ZZ76 0.04Z71 0. 035 5 I 5 Z Z 0 .30 0 3. 333 Z89.45 36 936 Z Z Z Z 0.99ZZ 1.0000 0.9658 o 9596 O Z74 757.5Z...

Ngày tải lên: 01/04/2014, 10:10

535 595 0
Báo cáo hóa học: " Structural and physical properties of antibacterial Ag-doped nano-hydroxyapatite synthesized at 100°C" pptx

Báo cáo hóa học: " Structural and physical properties of antibacterial Ag-doped nano-hydroxyapatite synthesized at 100°C" pptx

... the binding energy of Ca (2p, 34 7 .3 eV), O (1s, 532 .1 eV), and P (2p, 133 .09 eV) can obviously be found (Figure 5A) The peaks of Ag (Ag(3d5/2 ) 36 8.4 eV and Ag((3d3/2 ) 37 4 .3 eV) agree well with ... use J Oral Maxillofac Surg 1998, 56: 130 3- 131 3 12 Park EJ, Lee SW, Bang IC, Park HW: Optimal synthesis and characterization of Ag nanofluids by electrical explosion of wires in liquids Nanoscale ... 2010, 268 :33 4 -34 0 34 Popa NC: The (hkl) dependence of diffraction-line broadening caused by strain and size for all Laue groups in Rietveld refinement J Appl Cryst 1998, 31 :176-180 35 Shanmugam...

Ngày tải lên: 20/06/2014, 23:20

8 527 0
Báo cáo hóa học: "Influence of Cobalt Doping on the Physical Properties of Zn0.9Cd0.1S Nanoparticles" docx

Báo cáo hóa học: "Influence of Cobalt Doping on the Physical Properties of Zn0.9Cd0.1S Nanoparticles" docx

... 0.0045 3. 8 0.0425 5 .39 1 3. 81 0.010 0.0077 3. 8 0.0428 5 .38 7 3. 76 0.015 0.0091 3. 6 0.0 432 5 .38 4 3. 71 0.025 0.0122 3. 5 0.0524 5 .37 6 3. 66 0.050 0.0202 3. 1 0.0876 5 .36 4 3. 60 0.12 0.04 2.2 0.1012 5 .38 3. 29 ... Lett (2010) 5 :32 3 33 1 32 7 Co 0.005 M Co 0.01 M Co 0.015 M Co 0.025 M Absorbance (a.u.) Co 0.05 M Co 0.12 M Co 0.18 M 280 33 0 38 0 430 480 530 580 Wavelength (nm) Fig Absorption spectra of Zn0.9Cd0.1S: ... 1 23 328 Nanoscale Res Lett (2010) 5 :32 3 33 1 (a) 1.5 Magnetic Moment M (emu/gm) (a) 0.5 1.0 Undoped 0.4 0.005 M 0.01 M 0.015 M 0.025 M (α hν )2 0 .3 0.05 M 0.2 0.1 0.5 0.0 -0.5 50 K -1.0 3. 4 3. 6...

Ngày tải lên: 22/06/2014, 00:20

9 422 0
Synthesis and Physical Properties of Polyester Amides Derived from Lipid-Based Components

Synthesis and Physical Properties of Polyester Amides Derived from Lipid-Based Components

... (oC) WL2 (%) TD3 (oC) WL3 (%) TD4 (oC) WL4 (%) PEA (I) 36 7 35 .4 411 33 .7 446 13. 3 461 6.2 PEA (II) 37 1 35 .6 402 29.8 432 25.6 444 4 .3 PEA (III) 38 3 31 .0 410 30 .1 452 28.2 467 3. 5 TD: Decomposition ... 5. 23 19.0 4.65 23. 2 3. 84 6.9 12.72 21.1 4.19 24.7 3. 64 30  Comparison of lipid-based polyester amides Tg (oC) Tm (oC) Tensile strength Elongation 87.8 19.6MPa 12% 30 0 -20 77.4 10.2MPa 14 .3% 30 0 ... -36 to -7 68 to 97 30 109.2 231 to 39 1 -24 to 48 Copolymer 950 3. 18GPa, 3. 94GPa

Ngày tải lên: 02/07/2014, 13:01

40 328 0
Báo cáo lâm nghiệp: " Selected physical properties of initial soils on the outside spoil bank of the Bełchatów brown coal mine" pot

Báo cáo lâm nghiệp: " Selected physical properties of initial soils on the outside spoil bank of the Bełchatów brown coal mine" pot

... porosity, of arising horizons of investigated soils 30 9 c 28.04 b 21.18 35 .04 a 50.78 38 .31 26.65 55.48 20.97 20 40 Macropores (%) 23. 55 60 80 Mesopores 21.68 33 .98 33 . 13 b 20 Macropores 31 0 macropores) ... of water easily available (EA) – the amount of water in the potential range of pF 2.85 3. 2; – retention of water hardly available (HA) – the amount of water in the potential range of pF 3. 2 3. 7; ... of water availability in cm3/100 cm3 to plants in the rock horizon (Can) of studied plots depending on the category of the horizon (for designations see Fig 3) J FOR SCI., 53, 2007 (7): 30 8 31 3...

Ngày tải lên: 07/08/2014, 03:22

6 327 0
research on fabrication and the physical properties of the multi-component ceramics based on pzt and the relaxor ferroelectric materials

research on fabrication and the physical properties of the multi-component ceramics based on pzt and the relaxor ferroelectric materials

... Pb(Zr,Ti)O3(Mn1/3Nb2 /3) O3 (PZT-PMnN) [4], [15], [52]; Pb(Zr,Ti)O3 Pb(Mn1/3Sb2 /3) O3 (PZT-PMS) [5], [60], [80], [ 83] ; Pb(Zr,Ti)O3 Pb(Zn1/3Nb2 /3) O3Pb(Mg1/3Nb2 /3) O3 (PZTPZNPMN) [ 13] ; Pb(Zr,Ti)O3 Pb(Zn1/3Nb2 /3) O3 ... Pb(Zn1/3Nb2 /3) O3 (PZTPZN) [ 23] , [24], [30 ], [31 ], [35 ], [42], [90]; Pb(Zr,Ti)O3(Mn1/3Nb2 /3) O3 (PZT-PMnN) [4], [15], [52]; Pb(Zr,Ti)O3 Pb(Mn1/3Sb2 /3) O3 (PZT-PMS) [5], [60], [80], [ 83] ; Pb(Zr,Ti)O3 ... [5], [60], [80], [ 83] ; Pb(Zr,Ti)O3 Pb(Zn1/3Nb2 /3) O3Pb(Mg1/3Nb2 /3) O3 (PZTPZNPMN) [ 13] ; Pb(Zr,Ti)O3 Pb(Zn1/3Nb2 /3) O3 Pb(Mn1/3Nb2 /3) O3 (PZTPZNPMnN) [29], [34 ], [64], [84], [87] chỳng ỏp ng cỏc yờu...

Ngày tải lên: 04/12/2014, 02:54

52 341 0
Effect of physical properties of cotton on enzyme concentration

Effect of physical properties of cotton on enzyme concentration

... SCOURING EFFECT OF COTTANASE T ON SCOURING EFFICIENCY Sl No Desizing conc (%) Cottonase Conc (%) 1.5 4.5 1.5 3. 0 4.5 1.5 3. 0 4.5 Absorbency (Sec) 4.4 4.2 4.1 3. 7 3. 5 3. 5 3. 0 2.7 2.6 EFFECT OF COTTANASE ... Desizing conc (%) Pectinase Conc (%) 1.5 4.5 1.5 3. 0 4.5 1.5 Absorbency (Sec) 3. 3 2.9 2.8 2.6 2.5 3. 0 4.5 1.8 1.6 EFFECT OF PECTINASE ON SCOURING EFFICIENCY 3. 5 Absorbency (Sec) 2.5 1.5 0.5 1.5 4.5 Pectinase ... fashionable stone wash look of denim garment and other processes – applications of cellulose finishing 21 DENIM WASHING Denim fabric - woven fabric of 3/ 1 twill weave coarse counts of yarn Warp - Indigo...

Ngày tải lên: 21/07/2015, 16:18

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A comparative study of the biological and physical properties of viscosity enhanced root repair material (VERRM) AND MTA

A comparative study of the biological and physical properties of viscosity enhanced root repair material (VERRM) AND MTA

... Material 23 3.1 Aim of this study 23 3.2 Materials and Methods 23 3 .3 Results 26 3. 4 Discussion 46 3. 5 Conclusions 48 Comparison of the ... 4CaO.Al2O3.Fe2O3 + CaSO4 2H2O + Ca (OH)2 → 3CaO(Al2O3,Fe2O3) .3 CaSO4.aq The production of calcium hydroxide (Ca (OH)2 ) is responsible for the high alkaline pH of the cement 2.2 Physical properties of ... • Reaction of dicalcium silicate: 2(2CaO.SiO2) + 4H2O → 3CaO.2SiO2.3H2O + Ca (OH)2 + heat • Reaction of tricalcium aluminate: 3CaO.Al2O3 + 6H2O → 3CaO Al2O3.6H2O + heat • Reaction of the ferrite:...

Ngày tải lên: 15/09/2015, 22:51

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Selection of Thermotropic Liquid Crystalline Polymers for Rotational Molding

Selection of Thermotropic Liquid Crystalline Polymers for Rotational Molding

... Coalescence Model 33 0 Appendix E Physical and Mechanical Properties 33 6 E.1 Apparent Density 33 7 E.2 Dynamic Angle of Repose 33 9 E .3 Average Density 34 0 Table of Contents xi E.4 Tensile Modulus 34 2 E.5 ... Densification Study 131 3. 9.2 Rotationally Molded Samples 132 3. 10 Biaxial Rotational Molding 133 3. 11 References 135 The Role of Transient Rheology in Polymeric Coalescence 136 4.1 Abstract 137 4.2 Introduction ... B.5 Vectra B 950 30 9 Appendix C Coalescence 31 1 C.1 Polypropylene (190k) 31 2 C.2 Polypropylene (250k) 31 3 C .3 Polypropylene (34 0k) 31 4 C.4 Vectra A 950 31 5 C.5 Vectra B 950 31 7 Appendix D Programs...

Ngày tải lên: 29/04/2016, 13:47

400 126 0
Physical properties of alcohol

Physical properties of alcohol

... Structure of alcohol R O H H bond H R H O O H O H bond H O H H R H O R Bonding and Solubility Hydrogen bonding raises the boiling point of alcohols • Ethanol: 78C >Chloroethane( CH3CH2Cl): 12.3C> ethane: ... higher the solubility in nonpolar solvents Methanol Ethanol Propanol infinite solubility in water 23C > Butanol g/ 100mL > Pentanol 2.2 g/100 mL ...

Ngày tải lên: 28/05/2016, 11:30

4 202 1
Tài liệu PHYSICAL, CHEMICAL, AND MECHANICAL PROPERTIES OF BAMBOO AND ITS UTILIZATION POTENTIAL FOR FIBERBOARD MANUFACTURING docx

Tài liệu PHYSICAL, CHEMICAL, AND MECHANICAL PROPERTIES OF BAMBOO AND ITS UTILIZATION POTENTIAL FOR FIBERBOARD MANUFACTURING docx

... (2.4) 2067 (33 9) 50.9 (3. 1) 2776 (36 2) 55.7 (3. 8) 36 58 (464) 86.8 (1.8) 4426 (491) 83. 9 (2.8) 4428 (30 5) 84.0 (3. 3) 4660 (451) 93. 6 (3. 6) 4896 (116) 86.6 (3. 5) 4980 (262) 85.8 (5 .3) 5185 (33 0) 42 ... 254 (71) 17.4 (0.5) 35 9 (75) 33 .0 (1.5) 535 (101) 29.8 (3. 2) 456 (98) 33 .8 (1.2) 606 (80) 34 .1 (2.0) 533 (98) 33 .6 (3. 0) 527(55) 35 .3 (2.1) 552 (81) The compressive stress of bamboo perpendicular ... …………… 34 3. 3 .3 Fiber Length Characteristics …………………………………………………… .35 3. 3.4 Contact Angle ……………………………………………………………… 38 3. 3.5 Specific Gravity ………………………………….……………….…………… 38 3. 3.6 Bending Properties...

Ngày tải lên: 22/02/2014, 09:20

76 580 0
Báo cáo khoa học: Physical properties and surface activity of surfactant-like membranes containing the cationic and hydrophobic peptide KL4 potx

Báo cáo khoa học: Physical properties and surface activity of surfactant-like membranes containing the cationic and hydrophobic peptide KL4 potx

... Biophys J 86, 37 34 37 43 33 Biswas SC, Rananavare SB & Hall SB (2005) Effects of gramicidin-A on the adsorption of phospholipids to the air–water interface Biochim Biophys Acta 1717, 41–49 34 Nag K, ... objectives of this study were to analyze (a) the effect of KL4 on the physical properties of membranes, in the absence and presence of Ca2+, using fluorescence anisotropy of 1,6-diphenyl-1 ,3, 5-hexatriene ... ordering effect of SP-B and related peptides on the polar surface of DPPC ⁄ PG vesicles [ 23, 24] Thermotropic properties of KL4-containing membranes Next, we used the nonperturbing technique of DSC to...

Ngày tải lên: 30/03/2014, 11:20

13 329 0
extraction of liquid crystals from flat panel display devices using both liquid and supercritical carbon dioxide

extraction of liquid crystals from flat panel display devices using both liquid and supercritical carbon dioxide

... 2005 2006 2007 2008 2009 39 39 74 109 134 30 5 1,050 1,050 1,650 2,250 3, 125 5,500 27 27 22 21 23 18 2010 770 10,900 14 Total 1,470 25,525 Although, extraction of liquid crystals with volatile organic ... 13C NMR spectrum of isolated component (A) CONCLUSION Liquid crystal mixtures of high value can easily be extracted with liquid carbon dioxide within 15 minutes At present, fractionation of liquid ... thousand metric tonnes of LCD will be available for recycling in 2010 in the UK alone (Table 1) This equates to a potential recovery of tonnes of liquid crystals with a market value of between 27 and...

Ngày tải lên: 28/04/2014, 10:50

6 308 0
physics of liquid crystals

physics of liquid crystals

... Properties of Liquid Crystals • LC is state of matter intermediate between solid and amorphous liquidLiquid with ordered arrangement of molecules – Molecules with orientation order (like crystals) ... (like crystals) but lack positional order (like liquids) • Next Lecture: Ordering leads to anisotropy of – – – – Mechanical properties Electrical properties Magnetic properties Optical properties ... Typical Liquid Crystal Structure Saleh & Teich • Nematic Liquid Crystals —molecules tend to be parallel but their positions are random – Long range orientation order • Smetic Liquid Crystals...

Ngày tải lên: 28/04/2014, 10:51

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