salinity pressure and the velocity of the acoustic wave

... both the reliability and validity of these measures [34-36] The aim of this study was to determine both the intra and inter-rater reliability of the measurement of toe systolic pressure and the ... sclerosis, causes the hardening and incompressibility of arteries which can affect the accuracy of ABIs [17,18] The hardening of the artery is due to to the stiffening of the elastic layer of the arterial ... limit of the confidence interval of the ICC of 0.67 when compared to rater A and C The lower limit of the confidence interval of the ICC was below 0.70 for both intra and inter-rater reliability of...

Ngày tải lên: 10/08/2014, 21:24

... use the top of the first wave just to see the second wave It just lifted up right in front of you And everything was in motion the boat and the buoys—everything I remember just sitting out there ... figured it was the same one he had seen from the air and set a course that soon put them within earshot of what seemed the loneliest bell on the face of the planet The tiny man-made island was laden ... place? Sets of waves appeared to the northeast of the buoy Sharp approached the edge of the apparent surf zone on pins and needles “We came up real slow,” he says today “We had no idea if there would...

Ngày tải lên: 17/02/2014, 05:20

... of the focus) The wavefronts have a thickness of about mm and propagate in the direction of the focal point at a velocity of approx 1500 m/s After having passed through the focal point, the wavefronts ... as they are considered to be one of the major causes of pain and possible tissue damage The amplitude of the shock wave can be changed by varying the amount of electric energy The spatial pressure ... the physician can adjust the focus of the shock wave to the centre of the X-ray with a sure and quick hand Multifunctional Workstation The MINILITH® developed by STORZ MEDICAL is the result of...

Ngày tải lên: 11/05/2016, 20:23

... allowing flexibility of the gorge for entrance and binding of substrates or inhibitors and exit of reaction products The carboxylic groups of E202 and E450, the hydroxyl group of Y133 and water molecules ... solvent, and it remained active Pressure inactivation of HuAChE and its mutants To test the hypothesis of several intermediates along the pressure denaturation process, pressure inactivation of wild-type ... is the hydrodynamic volume of the protein and subscripts P and refer to values at pressure P and at atmospheric pressure, respectively [23] ANS fluorescence after pressure exposure of AChE in the...

Ngày tải lên: 08/03/2014, 10:20

... Plane Wave: Dispersion relationship, freq., wavelength, wavenumber, slowness, apparent velocity, apparent wavelength Spherical Wave Green’s function, asymptotic Green’s function Energy of an Acoustic ... Outline Plane Wave: Dispersion relationship, freq., wavelength, wavenumber, slowness, apparent velocity, apparent wavelength Spherical Wave Green’s function, asymptotic Green’s ... Perpendicular to wavefront r 2 r= x + y + z r is distance between pt source and observer at (x,y,z) Outline Plane Wave: Dispersion relationship, freq., wavelength, wavenumber, slowness, apparent velocity, ...

Ngày tải lên: 28/04/2014, 14:16

... and angular frequency The wavefield (either the scalar pressure wavefield or the pressurevelocity wavefields) is denoted by the vector u and the source by b (Marfurt; 1984) The dimension of the ... from the dramatic increase of the number of unknowns in the equation 32 The computational cost of the LU decomposition depends on the numerical bandwidth of the matrix, the dimension of the matrix ... involves only the pressure wavefield and the optimized discretization criterion of grid points per wavelength The time and memory costs of the FD and P2-DG methods are of the same order in the two-layer...

Ngày tải lên: 27/07/2014, 23:25

... υa , and ξ are the volume, the crystal density, the acoustic wave velocity, and the deformation potential constant, respectively ε0 is the electronic constant; χ0 and χ∞ are the static and high ... In Eq (27) the signs (±) in the sub-script of ω± correspond to the signs in front of (±) the root and the sings (±) in the superscript of ω± correspond to the other sign pairs → → These signs ... q0 being the wave number for which the resonance is satisfied;υa (υ0 ) is the group velocity of the acoustic (optical) phonon;τa τ0 , are electronic decrease constant of the acoustic and optical...

Ngày tải lên: 30/10/2015, 19:51

... acoustic waves is asymptotic to the Rayleigh wave velocity of the Si substrate as the product of jh approaches zero and decreases to the Rayleigh velocity of the Ge layer as the product of jh increases ... for the first four modes of surface acoustic waves in the case that the Ge/Si(0 1) system is in absence of initial stresses It is noted that the phase velocity for the first mode of the surface acoustic ... substrate as the product of jh approaches the cut-off frequency and decrease to the transverse velocity of the Ge layer as the product of jh increases to infinity The phase velocity shifts for the first...

Ngày tải lên: 03/12/2014, 23:41

... and pressure effects of the four proteins, and summarized in Table In both thermal and pressure unfolding, the Tm, Pm, DGT and DGP values for CPY are higher than those of proCPY, regardless of the ... properties of the precursor form (proCPY) Fig Pressure- induced changes of the centre of the spectral mass of (A) proCPY (d) and Dgly proCPY (s) at 25 °C (B) CPY (d) and Dgly CPY (s) at 25 °C, and (C) ... for the native state, and of the denatured state, respectively The correlation coefficient of the fitting was 0.999 or higher in all cases DH and DS were determined from Eqn (2) and DGT and...

Ngày tải lên: 07/03/2014, 21:20

... Frequency of occurrence of the impossibility to measure kr with the transient mode of the HPFM (negative correlation between flow and pressure) as a function of the growth substrate and the state of ... sufficient) Then the hydraulic conductance of the shoot was measured with the dynamic mode Leaves were then removed and the same procedure was applied to the defoliated stem The hydraulic conductance of ... calculated The slope of the regression between recorded water flow (the sum of both) and pressure would then be reduced Measurement of hydraulic conductance with the HPFM We also met cases where the...

Ngày tải lên: 08/08/2014, 14:21

... Calculation of the cellular concentration of the solutes In a side experiment on unstressed plants, measured the osmotic pressure of single cells of the different parts of the root (TRA, TRPA and LRA) ... osmometer [12] and the osmotic pressure of the sap of these tissue parts with a vapour pressure osmometer (Wescor 5500) The ratio between cell osmotic pressure and tissue sap osmotic pressure yielded ... contributions to the osmotic pressure similar everywhere in the root system? iii) What are the effects of a potassium deficiency on the distribution of the solutes in the different parts of the root...

Ngày tải lên: 09/08/2014, 04:20

... in the design of the study, and collected the data during the experiments BL and PG analysed the data and performed the statistical analysis VD participated in the design and the coordination of ... inspiratory pause to obtain the value of the inspiratory plateau airway pressure (Pins) and a 10 s expiratory pause to obtain the end-expiratory airway pressure (Pexp) The value of Crs was obtained by ... level of PaO2 was obtained at a PEEP of 20 and 15 cm H2O Because one of the goals of PEEP is to reach an arterial saturation greater than 90% at the lowest possible FiO2, the monitoring of arterial...

Ngày tải lên: 13/08/2014, 11:22

... minutes after the PEEP change and just before the EELV measurement to avoid any influence of the step change in Fio2 required for the nitrogen wash-out/washin test At the time of the EELV measurement, ... N; 26.0, 23.6, and 20.2 ml/kg PBW in group P; and 23.4, 20.6, and 17.2 ml/kg PBW in group S The effect of the stepwise reduction in PEEP on the change in EELV in each patient in the three study ... arterial oxygenation FRC is defined as the relaxed equilibrium volume of the lungs when there is no muscle activity and no pressure difference between alveoli and the atmosphere [13] FRC is determined...

Ngày tải lên: 13/08/2014, 11:23

... that the cell density of the internal region was higher than that of the outer region, and that some of the pressure caused by ablation during the second and subsequent steps could escape into the ... total of 15 elapsed Using the same device, the multi-step method involved expanding onetenth of the length of the electrode tines at first step, and the current was delivered until power roll-off ... roll-off occurred At the second step, immediately following roll-off, twotenths of the length of the tines was expanded and a current was supplied With stepwise expansion of the tines, the ablation was...

Ngày tải lên: 13/08/2014, 13:20

... Figure Correlation between change in EELV and change in dynamic compliance Data are presented as the difference between the lowest PEEP level (5 cmH2O) and 10 or 15 cmH2O PEEP Patients in group ... P had a primary lung disorder, and those in group S had a secondary lung disorder EELV, end-expiratory lung volume; PEEP, positive end-expiratory pressure Page of (page number not for citation ... Pao2/Fio2 ratio in different types of lung conditions at three PEEP levels Patients in group N had normal lungs, those in group P had a primary lung disorder, and those in group S had a secondary...

Ngày tải lên: 13/08/2014, 20:21

... to the diet, but according to the pH of the anterior part of the stomach differences are expected in relation to the nature of the phosphate salt (Velasco et al., 2001) As a component of these ... The objective of the present study was to evaluate the effects of several aqueous magnesium, potassium, and phosphorus on survival, growth, and molting interval of L.vannamei at salinity 2‰ The ... until the next molting cycle Duration of the molting cycle depends on the species and age of the shrimp Molting frequency on white shrimp decreased along with increasing the size of shrimp The...

Ngày tải lên: 22/09/2015, 12:38

... = k Where, the quantity δ is infinitesimal and appears due to the assumption of an adiabatic interaction of the electromagnetic wave (EMW) In Eq (8), the first term on the right-hand side is ... are along the 0z axis, the electromagnatic field of laser wave will polarize parallels the z axis and its strength is expressed as a vector potenal A(t) = Ωc E0 cos(Ωt) (c is the light velocity, ... ,qz ) is the creation operator and annihilation operator of an confined acoustic (optical) phonon for state |m1 , m2 , qz , m1 , m2 are the index confined The electron- confined acoustic and optical...

Ngày tải lên: 30/10/2015, 20:00

... child of Union punishes its mother from within and threatens its father, too, ‘‘across the water’’ () The ‘‘legacy’’ () of force and violence, the poem suggests, is more of the same: the crossing ... suspicious – not of the fact of conquest the poem describes, but of the sexualized and gendered binary it superimposes on the colonial relation, and of its attendant use of rape as a metaphor of imperial ... concerns of theorists and critics working in a wide variety of specific contexts – the creation of otherness as a material agent of imperial rule, the place of language as a site of both domination and...

Ngày tải lên: 21/09/2012, 10:39

... the food stocks, and the mood of the garrison The tactics of the Daily Mail captured the attention of the nation; the newspaper dramatized the situation of the town by emphasizing the danger that ... examine both the role of the press in the formation of public opinion about imperialism and the role of the press in the formation of the concept of public opinion itself Mafeking Night marks the powerful ... powerful beginning of the New Journalism at the same time as it marks the beginning of the end of the New Imperialism The coincidence of these occasions arises from the nature of the South African...

Ngày tải lên: 21/09/2012, 10:54