methods for evaluation of risk factors

... despite the lack of testing standards for many of the methods The development of testing standards is critical for proper application and expanded use of NDT methods for evaluation of concrete constructions ... (3.1) for values of the acceptable error E equal to 0.05, 0.075, 0.10, and 0.15 and for two risk levels Fig 3.2.1(a) is for a risk level NONDESTRUCTIVE TEST METHODS of 0.10, and Fig 3.2.1(b) is for ... the advantages and limitations of stress-wave methods for deep foundations 2.4—Nuclear methods 2.4.1 Introduction—Nuclear methods for nondestructive evaluation of concrete can be subdivided into...

Ngày tải lên: 24/10/2014, 17:44

... 0–2 risk factors were classified as low risk and those with 3–5 risk factors were grouped as high risk for a diagnosis of diabetes This paper will focus on respondents with type diabetes, low risk ... low risk (0–2 risk factors) , and high risk (3–5 risk factors) EQ-5D The EQ-5D was used as a measure of respondents' HRQoL and utility values The EQ-5D provides a simple descriptive profile and a ... >75% of each cohort (5,639 of 7,403 for low risk, 5,370 of 6,742 for high risk, and 3,849 of 5,000 for type diabetes) The sociodemographic characteristics of the baseline respondents who completed...

Ngày tải lên: 18/06/2014, 22:20

... Several methods were used for evaluation of the success of extraction of the volitional EMG The basic one was by visual inspection of the approximated signal which, despite not providing information ... and out of the process in various combinations * Butterworth, 4th order, with cut-offfrequency of 15 Hz ** Butterworth, 4th order, with cut-off frequency of Hz Page of 11 (page number not for citation ... Despite the many methods for the elimination of the ESinduced component, providing the volitional only EMG component, most of them not provide an evaluation of the accuracy of the extraction...

Ngày tải lên: 19/06/2014, 10:20

... proportion of patients from institutional settings Interestingly, heterogeneity between institutional settings is noted Data from the Office of National Statistics showed a Risk Ratio (RR) of 8.0 for ... should be offered to high risk patients identified by appropriate risk stratified techniques, based on the risk factors noted in results My literature review has shown the overall scarcity of literature ... ‘bug-bear’ of a surgical practice: reducing the incidence of MRSA surgical site infections Annals of the Royal College of Surgeons of England 2006, 88(2):222-3 Gray JW, George RH: Is the incidence of...

Ngày tải lên: 20/06/2014, 04:20

... knowledge of the ecology of a species affects not only the realism of model simulations, but also of higher tier risk assessments or the use of field studies in risk assessment Therefore, for a detailed ... fields) Speed of detection of resources Number of nectar and pollen foragers Time and frequency of foraging trips Number and proportion of eggs, larvae, pupae and adults per season Life span of adults ... reaches, for example, 95% of the density of the control simulations While the use of a threshold may seem to be an easy and straightforward approach, the amount of effect being acceptable will vary for...

Ngày tải lên: 20/06/2014, 20:20

... knowledge of the ecology of a species affects not only the realism of model simulations, but also of higher tier risk assessments or the use of field studies in risk assessment Therefore, for a detailed ... fields) Speed of detection of resources Number of nectar and pollen foragers Time and frequency of foraging trips Number and proportion of eggs, larvae, pupae and adults per season Life span of adults ... reaches, for example, 95% of the density of the control simulations While the use of a threshold may seem to be an easy and straightforward approach, the amount of effect being acceptable will vary for...

Ngày tải lên: 20/06/2014, 20:20

... knowledge of the ecology of a species affects not only the realism of model simulations, but also of higher tier risk assessments or the use of field studies in risk assessment Therefore, for a detailed ... fields) Speed of detection of resources Number of nectar and pollen foragers Time and frequency of foraging trips Number and proportion of eggs, larvae, pupae and adults per season Life span of adults ... reaches, for example, 95% of the density of the control simulations While the use of a threshold may seem to be an easy and straightforward approach, the amount of effect being acceptable will vary for...

Ngày tải lên: 21/06/2014, 17:20

... http://ccforum.com/content/7/3/R7 Table Table Univariate analysis of various factors for predicting severe corrected QT prolongation in 100 SAH-patients Multivariate analysis of various factors for ... first day of SAH In the present prospective study, we assessed various possible risk factors for the QTc prolongation that is observed in SAH patients in order to examine independent risk factors ... from the beginning of the QRS complex to the visual return of the T wave to the isoelectric line, and were corrected for heart rate using the Bazett formula: QTc = QT/(square root of RR interval)...

Ngày tải lên: 12/08/2014, 19:22

... Study of Risk Factors for Autism Spectrum Disorders in the Faroe Islands Eva Kočovská School of Medicine College of Medical, Veterinary and Social Studies A thesis submitted in part fulfilment of ... British as part of the defence against Nazi Germany and at present forms part of the NATO alliance The Faroe Islands were alone in the heart of the North Atlantic for millions of years before the first ... stability of clinical ASD diagnosis was perfect for AD, good for ―atypical autism‖/PDD-NOS, and less than perfect for Asperger syndrome (AS) Stability of the diagnoses made by means of research...

Ngày tải lên: 22/12/2014, 16:45

... of terms 10 1.2.2 Prevalence of HIV-related lipodystrophy 12 1.2.3 Impact of HIV-related lipodystrophy 15 1.2.4 Risk factors and pathogenesis of HIV-related lipodystrophy 16 1.2.4.1 16 Risk factors ... reflux 15 1.2.4 Risk factors and pathogenesis of HIV-related lipodystrophy 1.2.4.1 Risk factors of HIV-related lipodystrophy Many studies have been conducted to investigate the risk factors associated ... Calibration of different machines with standard soft tissue phantom 4.5 108 Summary 109 110 vii CHAPTER EVALUATION OF REPRODUCIBILITY AND ACCURACY OF 3-DIMENSIONAL LASER SCANNING FOR ESTIMATING...

Ngày tải lên: 12/09/2015, 10:58

... proportional to the square of the distance The corresponding charge injection limit (for 0.975 ms pulses) is displayed for both electrode sizes Page of 10 limit of 0.35 mC/cm2 was chosen for our study considering ... an indication of the importance of proximity between the electrode array and the retina for a successful retinal implant Resolution of the implant can be estimated for Estimation of resolution ... the sum of half of electrode-retina distance and radius of the electrode For a point source (or very small electrodes), the graph would cross the origin of the graph Kasi et al Journal of NeuroEngineering...

Ngày tải lên: 19/06/2014, 08:20

... for the electrical conductivity of water The concentrations of these ions are very small At −7 25°C, for pure water, there is a concentration of × 10 mole per liter of the hydronium ion and of ... portions of the sample Each of these portions is inoculated into a set of five replicate tubes For example, for the 10-mL portion, each of five fermentation tubes is inoculated with 10-mL portions of ... concentration of coliforms using the Poisson distribution Nitrobacter—Genus of bacteria responsible for the conversion of nitrite-nitrogen to nitrate-nitrogen Nitrosomonas—Genus of bacteria responsible for...

Ngày tải lên: 19/06/2014, 16:20

... end of crest to gage point B = axial length of converging section C = width of downstream end of flume D = width of upstream end of flume E = depth of flume F = length of throat G = length of diverging ... Beveled edge of crest of weir FIGURE 3.2 Schematic for derivation of weir formulas is, the contraction is suppressed This happens when the weir is extended fully across the width of the channel, ... Using the equation of continuity in the form of (π D /4)V1 = (π d /4)V2, where D is the diameter of the pipe and d is diameter of the throat, the above equation may be solved for V2 to produce...

Ngày tải lên: 19/06/2014, 16:20

... flow radially into the side of the chamber circumscribing it, by conveying the flow forward by proper design of the impeller, and by a mix of forward and radial throw of the flow The pump that uses ... elevation of the eye of the impeller or centerline of the pump system; the second is the source tank below the eye of the impeller or centerline of the pump system The flow in flow pipes for the ... the pump At 20°C, Pv (vapor pressure of water) = 2.34 kN/m = 0.239 m of water Assume standard atmosphere of atm = 10.34 m of water Therefore, theoretical limit of pump cavitation = − (10.34 − 0.239)...

Ngày tải lên: 19/06/2014, 16:20

... because of formation of gases, makes solids rise resulting in inefficiency of the basin Thus, in practice, there is a practical range of values of 1.5 to 2.5 h based on the average flow for primary ... of combinations of the values of the elements of Vc[Xc] + Vu[Xc] can occur before the solids reach the critical section of the thickener This combination corresponds to the different speeds of ... the cross section of a grit removal unit consisting of four identical channels to remove grit for a peak flow of 80,000 m /d, an average flow 3 of 50,000 m /d and a minimum flow of 20,000 m /d There...

Ngày tải lên: 19/06/2014, 16:20

... Projected area of paddle blade Sum of projected areas of paddle blades Length of paddle blade Coefficient of drag Width of paddle blade The diameter of the impeller Diameter of vessel Distance of impeller ... length of the paddle blades of the longest compartment to that of the length of the paddle blades of the middle compartment is 2.6:2, and the ratio of the length of the paddle blades of the middle ... to each other, the rate of inflow of air corrected to its value at the surface of the vessel is then (Pi/Pa)Qi Thus, the number of bubbles n formed from a rate of inflow of air Qi is Pi Pi h  ...

Ngày tải lên: 19/06/2014, 16:20

... 0.022(q) 2.22 hd = 0.0133(q) for uniform sand, 1.0 mm diameter 2.10 for uniform anthracite, 1.0 mm diameter 2.10 for uniform anthracite, 1.6 mm diameter 2.10 for uniform anthracite, 2.0 mm diameter ... Proportionality constant for the inertial force Proportionality constant for the shear force Length of bed Expanded bed depth Filter yield Rate of mass inflow into bed Mass of cake per unit volume of filtrate ... Smutzdecke—Layer of dirt that collects on top of slow-sand filters Specific cake resistance—A measure for the resistance of a cake to filtration Uniformity coefficient—The ratio of the size of the sieve...

Ngày tải lên: 19/06/2014, 16:20

... function of the size of the solute molecule • Percentage removal increases as the percent dissociation of the solute molecule increases The degree of dissociation of a molecule is a function of pH, ... MEMBRANE PERFORMANCE CHARACTERIZATION The performance of a given membrane may be characterized according to its product flux and purity of product Flux, which is a rate of flow per unit area of membrane, ... pressure values of various solutes Some generalizations may be made from this table For example, comparing the osmotic pressures of 1,000 mg/L of NaCl and 1,000 mg/L of Na2SO4, the former has about...

Ngày tải lên: 19/06/2014, 16:20

... affinity of the solute to form into a solid An example of this operation is the making of ice from liquid water The formation of snow from water vapor in the atmosphere is also a process of crystallization ... performs an experiment for the purpose of determining the value of β of a particular wastewater The [Cos,w] of the wastewater after shaking the jar thoroughly is 7.5 mg/L The temperature of the ... Therefore, 7.5 β = = 0.89 Ans 8.4 Example 9.5 An environmental engineer performs an experiment for the purpose of determining the value of β of a particular wastewater in the mountains of Allegheny...

Ngày tải lên: 19/06/2014, 16:20

... removed in the form of CaCO3 This is the reason for the use of the second chemical known as soda ash for the removal of the noncarbonate hardness of calcium Thus, another set of chemical reactions ... the number of reference species is moles of positive charges for each of these reactions Thus, the equivalent mass of calcium is Ca/2 and the number of equivalents of the MCa mass of calcium ... hardness of magnesium We will first calculate the amount of lime required for the removal of the carbonate hardness of calcium Let M CaHCO be the mass of Ca ( HCO ) in the carbonate hardness of calcium...

Ngày tải lên: 19/06/2014, 16:20