unique properties of photonic crystal fibers
Electronic transport properties of single crystal silicon nanowires fabricated using an atomic force microscope
Ngày tải lên :
16/03/2014, 15:15
... average resistivity of all heavily doped (1019 cm−3 ) nanowires is found to be 83 m cm, a value higher by a factor of 14 than expected from the design data of m cm (a factor of for the largest ... than a threshold of −2:7 V [11,12] The ambient humidity is kept constant at a level of 30 – 40% Applying a tip voltage while the tip is scanned over the silicon surface at speed of 0.1– m=s leads ... single -crystal silicon top layer (typically 15 –20 nm) were used One advantage of this technology is that it ensures a very sharp interface top silicon layer–silicon dioxide (see inset of Fig...
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Báo cáo hóa học: " Wet chemical synthesis and magnetic properties of single crystal Co nanochains with surface amorphous passivation Co layers" pdf
Ngày tải lên :
21/06/2014, 04:20
... of 8.86 Å (5 × 1.772 Å) is consistent with that of the [200] planes of single-crystalline face-centered Co, which is compatible with the data of XRD The SAED patterns (see the inset in Page of ... the removal of the residual solvent through evaporation in vacuum at 500 K The yield of the as-prepared Co specimens is about 60% according to our calculation We noticed that no sign of oxidation ... temperature dependence of magnetization and room temperature (RT) hysteresis curves were carried out by means of vibrating sample magnetometer (VSM, Model HF) and physical properties measurement...
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Báo cáo vật lý: "Effect of Treated and Untreated Filler Loading on the Mechanical, Morphological, and Water Absorption Properties of Water Hyacinth FibersLow Density Polyethylene Composites" pdf
Ngày tải lên :
07/08/2014, 14:20
... addition of isocyanate (6% by weight of fibers) reduced the water uptake of LDPE composites reinforced with pineapple-leaf fibers It was found that the presence of a silane Journal of Physical ... percentage of organic content, WI is the initial weight of the water hyacinth fibers and WF is the weight of the fibers after heating The level of organic content in the water hyacinth fibers was ... properties of the composite In addition, the properties of the composite will be unlike those of the pure polyethylene because of variations in the filler types, shape, dimension, percentage of filler...
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Báo cáo khoa học: Crystal structure and enzymatic properties of a bacterial family 19 chitinase reveal differences from plant enzymes pdf
Ngày tải lên :
07/03/2014, 11:20
... mg of ChiG per liter of culture) Tests with several substrates showed that removal of the His tag by tobacco etch virus NIa protease (TEV-protease) did not affect the catalytic properties of ... hypothesis is not confirmed by the present analysis of enzymatic properties of ChiG, or by our analysis of the ChiG and ChiC structures Despite the deletion of the B-loop, the two putative catalytic residues ... the exploitation of chitinous substrates as a source of nutrition Production of multiple enzymes with varying properties (endo-action or exo-action, processive or not, presence of additional substrate-binding...
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Photonic Properties of Er-Doped Crystalline Silicon
Ngày tải lên :
16/03/2014, 15:28
... al.: Photonic Properties of Er-Doped Crystalline Silicon For Si:Er [5], [6], the interest has been fueled by prospective applications for Si-photonics, in view of the full compatibility of Er ... Restrictions apply 1273 Vinh et al.: Photonic Properties of Er-Doped Crystalline Silicon Fig Secondary ion mass spectroscopy profile for oxygen and erbium concentrations of the investigated SMBE-grown ... apply Vinh et al.: Photonic Properties of Er-Doped Crystalline Silicon (Bx[ is the position of the line in the spectrum) This value is in good agreement with the separation of lines L2 , L2 ,...
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Báo cáo khoa học: Crystal structure of the halotolerant c-glutamyltranspeptidase from Bacillus subtilis in complex with glutamate reveals a unique architecture of the solvent-exposed catalytic pocket docx
Ngày tải lên :
22/03/2014, 21:20
... significance of Structure of B subtilis c-glutamyltranspeptidase the absence of the lid-loop sequence and the presence of the extra residues at the L-subunit C-terminus, we embarked on a crystallographic ... present Elucidation of the structural factors related to the salt tolerance of B subtilis GGT may help in the development of better-engineered GGT Here, we report the crystal structure of B subtilis ... purification and properties J Bacteriol 168, 1325–1331 27 Kabsch W (1993) Automatic processing of rotation diffraction data from crystals of initially unknown symmetry and cell constants J Appl Crystallogr...
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báo cáo hóa học:" Crystal structure and electrical properties of bismuth sodium titanate zirconate ceramics" pdf
Ngày tải lên :
21/06/2014, 17:20
... partly due to the effect of a different crystal structure in this series of materials Hence, this study showed that the observed dielectric and ferroelectric properties of BNTZ ceramics largely ... values in the range of 5.8 to 6.1 g/cm3 as shown in Table which corresponded to the relative densities of around 95% of the theoretical densities For the 0.20 mole fraction of Zr, the sample was ... seemed to support the possible lowering of the melting point of these solid solutions The εr and tan δ of Bi0.5Na0.5Ti1-xZrxO3 ceramics, at · the frequency of 100 kHz, are tabulated in Table In...
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Unique glass formation and mechanical properties of zr cu based alloys
Ngày tải lên :
14/09/2015, 14:11
... Table of Contents Acknowledgments i Table of Contents iii Summary v List of Tables viii List of Figures ix List of Publication ... .107 viii List of Figures Figure 1. 1 Schematic diagram of glass formation by rapid quenching of a liquid without crystallization. Line 1 corresponds to crystallization at low ... image (a) of cross‐section of La74Al14(Cu,Ni)12 BMG matrix composites with 50% in volume fraction of crystalline phase and representative tensile stress‐strain curves of monolithic ...
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single crystal growth and magnetic properties of rrhin5 compounds
Ngày tải lên :
14/01/2016, 13:46
... Discussion 5.1 Magnetic properties and CEF scheme in RRhIn5 5.2 Fermi surface and magnetic properties of PrTIn5 (T: Co, Rh and Ir) 5.3 Unique magnetic properties of RRhIn5 (R: Nd, Tb, ... 2, the fundamental 2.1 Magnetic Properties of Rare Earth Compounds Magnetic properties of rare earth ions and metals First we will explain the magnetic properties of rare earth atoms (ions) Rare ... 2.1 Magnetic properties of rare earth ions and metals 2.2 Crystalline electric field (CEF) effect 2.3 Kondo effect and heavy fermions 2.4 Magnetic properties of RIn3 and RRhIn5...
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THE INFLUENCE OF COBALT ON CRYSTAL STRUCTURE AND MAGNETIC PROPERTIES OF nimnsbb2 HEUSLER ALLOYS
Ngày tải lên :
24/06/2016, 12:58
... General principles of X-ray diffraction method of determining the crystal structure bases on the different effects of crystal size to diffraction In each crystalline, the position of the atoms are ... intrinsically show MCE, although the intensity of the effect depends on the properties of each material The physical origin of the MCE is the coupling of the magnetic sub lattice to the applied magnetic ... possibility of ordered and disordered variants Figure 1.5 Crystalline structure of Perovskite familiar ABO3 14 Thesis Vu Thi Huong Figure 1.6 Comparing the crystalline structure of Perovskite...
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Properties of Convolution
Ngày tải lên :
13/09/2012, 09:49
... operations Chapter 7- Properties of Convolution 127 2.0 a Original signal Amplitude 1.0 0.0 -1.0 FIGURE 7-3 Example of calculus-like operations The signal in (b) is the first difference of the signal ... curve of the form: sin(x)/(x) , is used to separate one band of frequencies from another c Sinc 0.3 Amplitude Amplitude 0.3 0.2 0.1 0.0 -0.1 -20 -15 -10 Sample number Chapter 7- Properties of Convolution ... affect any of the output signal values As shown by the examples in Fig 7-6, the impulse response of a causal system must have a value of zero for all negative numbered samples Think of this from...
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FOAMING PROPERTIES OF PROTEINS.pdf
Ngày tải lên :
16/12/2012, 15:10
... summary of the independent parameters the modified foaming apparatus FOAMING PROPER TIES used far experi- Nature Fixed Diameter Porosity Volume Volume Mass of of sparging disc of sparging disc of ... = Tw Did = = percent of gas initially in 70 ml of foam (gas Flow Rate) - ml/min of nitrogen time to fill the column with foam volume of liquid in the foam initially volume of liquid drained from ... characteristics of protein i.e the foaming capacity of protein and the stability and strength of the foam Foaming ability i.e Gi denotes the amount of gas retained in the foam reflecting the potential of...
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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
... University of Bari in 1979 University Researcher at the of Engines and Energy Institute of the Faculty of Engineering at the University of Bari from 1983 to 1987 Associate professor of Technical ... measure of conductance The analyses, done in the laboratory of Technical Physics of the Polytechnic of Bari, were performed on some samples of calcarenite sandstone and calcareous stone of Fasano ... typologies of building wall: a wall in blocks of calcarenite sandstone assembled with mortar, typical of the constructions of "Sassi of Matera," and a masonry made with dry calcareous stones of Fasano,...
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Effects of time of heatsetting on the tensile properties of ingeo™ poly (lactic acid) (PLA) fabric
Ngày tải lên :
05/09/2013, 16:10
... Figure Effect of time of heatsetting on the linearity of load extension in weft direction of knitted Ingeo™ Poly (lactic acid) Figure Mean effect of time of heatsetting on the linearity of load extension ... Increasing time of heatsetting had effect on tensile properties of PLA at varying times of 30s to 90s at temperature of 130°C Optimum effect on tensile properties occurred at times of 30 – 45s PLA ... types of fibers including monofilaments, multi filaments, bulked continuous filament staple fibers, short-cut fibers and spun bond fabrics by conventional melt spinning machines [17] The fibers...
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Physicochemical properties of polluted water of river Ganga at Varanasi
Ngày tải lên :
05/09/2013, 16:11
... pH Because most of the chemical and biochemical reaction are influenced by the pH it is of great practical importance The adverse affect of most of the acids appear below and of alkalis above ... quality criteria of an aquatic system In the system where rate of respiration and organic decomposition are high ,the DO values remain lower than those of system where the rate of photosynthesis ... growth and activities of microorganism 3.6 Biological Oxygen demand It has been used as a measure of the amount of organic materialism an aquatic solution which support the growth of microorganism...
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Properties of American Derivative Securities
Ngày tải lên :
18/10/2013, 03:20
... owner of the derivative security should exercise it If he does not, then the seller of the security can immediately consume f Vk ! , + r IE Vk+1jF k ! and still maintain the hedge 6.2 Proofs of ... maintain the hedge 6.2 Proofs of the Properties Let fGk gn=0 be a sequence of non-negative random variables such that each Gk is F k -measurable k Define Tk to be the set of all stopping times satisfying ... Lemma 2.18 Proof: Take Vk Gk for every k Tk to be the constant k Lemma 2.19 The process f 1 + r ,k Vk gn=0 is a supermartingale k Proof: Let attain the maximum in the definition of Vk+1 , i.e.,...
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Static properties of granular materials Philippe Claudin
Ngày tải lên :
01/11/2013, 08:20
... a series of captors), and are thus much noisier 250 Static properties of granular materials F r p h z Fig 14.13 Sketch of the experimental set-up of Reydellet et al for the measure of the pressure ... focused on the quasistatic rheology of a granular system, so why is all of this related to the description of its statics? As a matter of fact, the static properties of the studied sample are responsible ... horizontal position of the apex of the pile – also, changing the sign of x changes that of the shear σx z More generally, the stress state of the jammed grain packing is assumed to be of the form σx...
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Tài liệu Nature and Properties of Micro-organisms doc
Ngày tải lên :
12/12/2013, 17:15
... Formaldehyde increases infectivity Viruses DNA or RNA Shell of protein (capsid) surrounding nucleic acid Classification on basis of nucleic acid DNA viruses: eg Herpes simplex virus (HSV) ... body Varicella zoster virus (VZV) VZV: Chickenpox VZV: Shingles Re-activation of latent infection Suppression of cell mediated immunity Bacteria Unicellular, DNA and RNA Binary No prokaryotes ... (transfer of plasmid DNA) Important bacterial products 1: extracellular polysaccharide CAPSULE condensed, well defined layer closely surrounding the cell contributes to invasiveness of pathogenic...
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