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 appli-cation and expanded use of NDT methods for evaluation of concrete constructions ... perform rapid, comprehensive assessments of existing construction; and • specification of NDT methods for quality assurance of deep foundations and concrete repairs This increased use of NDT methods ... summarizesthe advantages and limitations of stress-wave methods fordeep 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

... select suitable evaluation methods and to use evaluation outcomes for better management practice 3 Feasible methods for evaluation of research organizations The analysis of evaluation results ... Actual status of evaluation of research organizations in Vietnam and objectives of development Before promulgation of Law on S&T in 2013, Vietnam has no regulations for evaluation of research ... supports for their efforts The information produced from evaluation works can be Trang 5used for improvement of the structure of S&T systems through the re-structuring or merging measures of low-effective

Ngày tải lên: 02/02/2020, 17:18

... possibility that some of the elements of this document may be the subject of patent rights ISO shall not be held responsible for identifying any or all such patent rights Details of any patent rights ... convenience of users and does not constitute an endorsement For an explanation on the voluntary nature of standards, the meaning of ISO specific terms and expressions related to conformity assessment, ... drawings of parts This annex gives requirements for the brake and also examples of brake designs C.1 Specification of brake device The requirements on the brake system are: — The size of the sockets

Ngày tải lên: 09/03/2024, 15:35

... measured axes of vibration m/s 2 a hv arithmetic mean value of a hv values of runs for one operator for one hand position m/s 2 a h arithmetic mean value of a hv values for all operators for one hand ... reported for the two hand positions NOTE 2 The value of s R is an estimate of the standard deviation of reproducibility of testing performed at different test centres Since there is currently no information ... highest of the a h values reported for the two hand positions For tests using three or more machines, a h values for each hand position shall be calculated as the arithmetic mean of the a h values for

Ngày tải lên: 09/03/2024, 15:35

... Hand-held portable power tools — Test methods for evaluation of vibration emission —  Part 5: Drills and impact drills ISO 28927-5:2009/Amd 1:2015, Hand-held portable power tools — Test methods for evaluation of vibration  ... operation of the machines under type-test conditions and other requirements for the performance of type tests The structure/numbering of its clauses follows that of ISO 20643 The basic principle for ... Description of the family of machines 3 7 Characterization of vibration 5 7.1 Direction of measurement 5 7.2 Location of measurements 5 7.3 Magnitude of vibration 8 7.4 Combination of vibration

Ngày tải lên: 09/03/2024, 15:35

... tests for known risk factors (smoking) and covariates using the methods described in equation 6 Comparison of the graphs of the probability of the global Vesta as a function of EIP and maps for ... second time adjusting for risk factors and covariates using Equation 6 Compar-ison of the results identifies cases for which space-time interaction is explained by the risk factors and covariates, ... unexplained For the local Vesta adjusted for covariates and for the duration-weighted version Here p i denotes the probability of participant i being a case given their vector of risk factors and

Ngày tải lên: 02/11/2022, 11:35

... between UW and DOHEvaluation of stroke risk factors in Da Nang, Viet Nam OBJECTIVES • To assess the situation of stroke and its risk factors in Da Nang • To enhance the capacity of health staff ... Study of Risk Factors for Stroke in Da Nang, Viet Nam Annette L Fitzpatrick, PhD Dept of Epidemiology, Adjunct Global Health University of Washington Quang Van Ngo, MD, MPH Da Nang Department of ... MPH, Department of Neurology Tung T Vo, MD, Department of Health, Da Nang Chien H Pham, Director, Department of Health, Da Nang Da Nang Department of Health Trang 3Contents of PresentationTrang

Ngày tải lên: 04/03/2024, 09:24

... bottom Thus, the size of these holes and the size of theperforations of the septum must not allow the largest grains of the bed to pass through Figure 7.3 shows a cutaway view of a pressure filter ... uniformity coefficient is defined as the ratio of the size of the sieve opening that passes the 60%finer of the medium sample (P60) to the size of the sieve opening that passes the10% finer of ... the effective size and uniformity coefficient of a proposed filter is to be 5(10−2) cm and 1.5, respectively, perform a sieve analysis to transform therun-of-bank sand of Figure 7.9 into a usable

Ngày tải lên: 19/06/2014, 16:20

... of Formation of Substances of Interest in Stabilization = Trang 611.1.3 ’ S FOR P ERTINENT C HEMICAL R EACTIONS OF THEC ARBONATE E QUILIBRIA Let us now derive the values of the of the various ... smallest of the Ksp’s is that for Hg2CO3 Thus,considering all of the possible candidates that we have written, Hg2CO3 is the onethat will form a dead end for the carbonate equilibria; however, of all ... standard heat of formation At present, none are available for , , CaOH+, and Research is therefore needed to find these values Determination of the Calcium Complexes The whole thrust of the discussion

Ngày tải lên: 19/06/2014, 16:20

... be used Therefore, we now derive the formulas for estimating the volume of sludge produced in coagulation treatment of water Two sources of solids are available for the production of sludge: the ... introduction of the dose, the contents are rapidly mixed at a speed of about 60 to 80 rpm for a period of one minute and then allowed to flocculate at a speed of 30 rpm for a period of 15 minutes ... the competition between two forces at the surface of the colloid particle: the van der Waal’s force of attraction, represented by the lower dashed curve, and the force of repulsion, represented

Ngày tải lên: 19/06/2014, 16:20

... let MCaOFe = kilograms of lime used for the ferrous reaction MNaOHFe = kilograms of caustic used for the ferrous reaction M Cl2 Fe = kilograms of chlorine used for the ferrous reaction MNaClOFe ... reaction Kilograms of chlorine used for the ferrous reaction Kilograms of chlorine used for the manganous reaction Kilograms of Fe(OH)2 precipitated from removal of ferrous Kilograms of Fe(OH)3 precipitated ... has been used for years We will therefore use lime as the precipitant for the removal of iron and manganese The probable use of sulfide in removing iron and manganese could be a topic for investigation

Ngày tải lên: 19/06/2014, 16:20

... occurrence of phosphorus, followed by a discussion on themodes of removal of the element The chemical reactions of removal, unit operations of removal, chemical requirements, optimum pH range of operation, ... orthophosphate forms Thus, as with all the otherphosphorus species, they have to be controlled before wastewaters are discharged Figure 14.1 shows the structural formulas of the various forms of phosphates ... include all the forms of phosphorus 14.2 MODES OF PHOSPHORUS REMOVAL Again, as in previous chapters, the best place to investigate for determining the modes of removal is the table of solubility

Ngày tải lên: 19/06/2014, 16:20

... mass of BOD5 or mass of organisms or cells per unit mass of COD For the case of Ydn, the units used in practice are in terms of mass of the organisms or cells per unit of mass of ... units of Ydn are in terms of moles of organism per unit mole of nitrate nitrogen The units normally used in practice for Yc and Ydc, however, are either in terms of mass of organisms ... of increase of the concentration of the organisms The first term on the right-hand side of Equation (15.71) is the rate of increase of microorganism that corresponds to the rate of

Ngày tải lên: 19/06/2014, 16:20

... DESIGN OF ION EXCHANGERS Generally, designs of ion exchangers should include the following: quantity of exchange materials and regenerants; dimension of the bed (volume of bed); interval of bed ... Q UANTITY OF E XCHANGE M ATERIALS Before discussing quantities of exchange materials, a method of expressing exchange capacity in terms of calcium carbonate is addressed This method of expressing ... exchange capacity of the bed be (X /M ) ult meq/g of bed The equivalents of ion displaced from the bed is equal to the equivalents of displacing ion in solution; therefore, the mass of bed material

Ngày tải lên: 19/06/2014, 16:20

... 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

... 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

... 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

... 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