strains of pineapple radio
List the components of a radio system
... (continued) 2 Objectives • List the components of a radio system • Describe how different factors affect the design of a radio system • Explain the radio frequency spectrum 17 Multiple Access ... level of noise – Interference can take place • To reduce the interference of noise – Boost the strength of the signal – Use of filters when receiving the signal • Attenuation – A loss of signal ... (continued) 27 Radio Frequency Spectrum (continued) 5 Mixers • Combine two radio frequency inputs to create a single output – Output is in the range of the highest sum and the lowest difference of the...
Ngày tải lên: 13/09/2012, 10:52
Criteria for Acceptability of Medical Radiological Equipment used in Diagnostic Radiology, Nuclear Medicine and Radiotherapy potx
... meters must be capable of measuring the activity of a particular radionuclide (gamma or beta emitting) accurately over a wide range of energies for correct determination of the radioactivity to be ... recommendations of scientific, medical or professional bodies. Where international or national standards are not available or are out of date, advice is often available from professional bodies, ... acceptability to new types of installations. In diagnostic radiology, the range of systems available has been greatly extended (e.g. computed radiography, digital radiography, digital fluoroscopy,...
Ngày tải lên: 17/03/2014, 14:20
Variation of Chest Radiographic Patterns in Pulmonary Tuberculosis by Degree of Human Immunodeficiency Virus–Related Immunosuppression pot
... pulmonary TB, patterns of chest radiographic / 9c38$$au42 07-21-97 13:51:29 cida UC: CID 242 Variation of Chest Radiographic Patterns in Pulmonary Tuberculosis by Degree of Human Immunodeficiency ... Statistical aspects of the analysis of data from A. Active pulmonary tuberculosis in patients with AIDS: spectrum of retrospective studies of disease. J Natl Cancer Inst 1959;22:719 – 48. radiographic ... occurrence of cavitary disease. How- in and support of this study and to other members of the CPCRA 019/ACTG 222 protocol team: Keith Dawson, Marjorie Dehlinger, ever, because of the small number of...
Ngày tải lên: 29/03/2014, 03:20
Báo cáo khoa học: Structure and function of the 3-carboxy-cis,cis-muconate lactonizing enzyme from the protocatechuate degradative pathway of Agrobacterium radiobacter S2 pdf
... crystal structure of the A. radiobacter S2 ArCMLE1 was determined. ArCMLE1 is very sim- ilar to PpCMLE (rmsd of 1.6 A ˚ for 1192 Ca atoms of a tetramer and 1.44 for 306 Ca atoms of a monomer). This ... The crystallization drop consisted of 1 lLof protein solution (10 mgÆmL )1 ), 1 lLof4mm 3SM and 1 lL of well solution. Crystals appeared after several weeks of incubation at room temperature. For ... activ- ity of 9.4 UÆmg )1 of protein was determined. In con- trast, no conversion of 3CM was found in cell extracts of E. coli JM109, which did not harbor the plasmid. Kinetic parameters for A. radiobacter...
Ngày tải lên: 30/03/2014, 10:20
báo cáo hóa học:" Structural and optical properties of a radio frequency magnetron-sputtered ZnO thin film with different growth angles" pdf
Ngày tải lên: 21/06/2014, 17:20
Acetic Acid Bacteria - screening of LAB strains
... than 50% of the studied L.plantarum strains are active producers of Exopolysaccharide while 40% of the studied L.fermentum, 50% of L.delbrueckii, Leu. mesenteroides ssp dextranicum, 20% of Leu.mesenteroides ... Author: Dr. Bukola C. Adebayo-tayo, Department of Microbiology, University of Uyo. Uyo Akwa Ibom State, Nigeria 741 Screening of Lactic Acid Bacteria Strains Isolated from Some Nigerian Fermented ... and Abiodun A. Onilude 1 2 Department of Microbiology, University of Uyo, Uyo Akwa Ibom State, Nigeria 1 Department of Botany and Microbiology, University of Ibadan, Ibadan, Oyo State Nigeria 2 Abstract:...
Ngày tải lên: 16/09/2012, 23:45
Báo cáo khoa học: "The clinical value of daily routine chest radiographs in a mixed medical–surgical intensive care unit is low"
... daily routine radio- graphs instead of on-demand radiographs did not change the results. Radiologists were not blinded to the expectations of the clinical fellows, residents, or interns; radiologists ... routine chest radiographs). b Absolute number of patients (% of all patients with daily routine chest radiographs). -, not scored for; ICU, intensive care unit. Table 4 Incidence of new expected ... by the radiologist Unexpected abnormalities found by the radiologist Abnormalities resulting in a change in therapy Total number of abnormalities 137 8 29 11 Total number of chest radiographs...
Ngày tải lên: 25/10/2012, 10:39
Báo cáo y học: "Utility of routine chest radiographs in a medical–surgical intensive care unit: a quality assurance survey"
... Utility of routine chest radiographs in the surgical intensive care unit. Arch Surg 1995, 130:764-768. 2. Price MB, Chellis Grant MJ, Welkie K: Financial impact of elimi- nation of routine chest radiographs ... the utility of routine chest radiographs (CXRs) in clinical decision-making in the intensive care unit (ICU). Design A prospective evaluation of CXRs performed in the ICU for a period of 6 months. ... changes resulting from the CXR were adjustment of a medical device, and the diagnosis and treatment of CHF. Furthermore, 46% of the medical patients and 26% of the surgical patients with an ICU stay ≥...
Ngày tải lên: 25/10/2012, 10:45
Báo cáo y học: "In vitro bactericidal activities of Japanese rice-fluid against Helicobacter pylori strains"
... observed against other four strains of E. coli, five strains of S. aureus, S. epidermidis, E. faecalis and P. aeruginosa, and three strains of K. pneumoniae and two strains of K. oxytoca, respectively ... that any kind of Rice-fluid was proved to be devoid of bactericidal activity against 5 strains of E. coli, S. aureus, S. epidermidis, E. faecalis and P. aeruginosa, and 3 strains of K. pneumoniae ... antimicrobial activities of the three kinds of Rice-fluid against various species of microorganisms including H. pylori strains by the time- kill-curve assay [14, 16]. Every kind of Rice-fluid derived...
Ngày tải lên: 31/10/2012, 17:03
Báo cáo y học: "Monte Carlo Commissioning of Low Energy Electron Radiotherapy Beams using NXEGS Software"
... between the 90% of maximum and 50% of maximum points on the profile. • δ 2 : for points in the high dose gradient region of the penumbra of primary axis profiles, the displacement of isodose curves ... limits defined on seven measures of error to assess the performance of the program, finding that, regardless of the composition of commissioning sets, mean values of the seven confidence limits ... commissioning of low energy electron beams of a medical linear accelerator for Monte Carlo dose calculation using NXEGS software (NXEGS version 1.0.10.0, NX Medical Software, LLC). A unique feature of...
Ngày tải lên: 03/11/2012, 10:05
Radio Link Performance of Third Generation (3G) Technologies For Wireless Networks
... One source of co- channel interference, de-correlated in time with 0 frequency offset. One source of adjacent channel interference, de-correlated in time with 200 kHz of frequency offset. One ... One source of co-channel interference, de-correlated in time with 0 frequency offset. One source of adjacent channel interference, de-correlated in time with 200 kHz of frequency offset. One ... One source of co- channel interference, de-correlated in time with 0 frequency offset. One source of adjacent channel interference, de-correlated in time with 200 kHz of frequency offset. P1...
Ngày tải lên: 26/04/2013, 11:15
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