... us the ratio of two power levels, that is it expresses the gain of the system But some time we want to express the exact output power of a system rather than the gain In that case, we compare the ... an absolute measurement It is a relative measurement The decibel level indicates the relationship of one power level to another The formula for calculating decibel is : dB = 10 log Po/Pi = 10 ... such as the output is 20dB The relative power of output to input will tell us the gain of the amplifier, Po/PI = 1000mW/10mW = 100 The unit of measure used to compare two power levels is the decibel...
Ngày tải lên: 10/12/2013, 08:15
... RLI weights their risks only mean one of two things: 1) The control is working, or 2) Even if the control isn’t working, the risk is low and therefore we may not need a control here The results ... in their SAP financial reporting system who were no longer with the organization – a risk many organizations see They felt the risk was low, because they: a) took people’s swipe cards when they ... evaluating risks in their financial controls for compliance requirements such as Sarbanes-Oxley (SOX) or similar legislation With the downturn, the tide swung back to pre-SOX days And since then there...
Ngày tải lên: 18/02/2014, 05:20
A Knowledge-Based Approach to Network Security: Applying Cyc in the Domain of Network Risk Assessment pptx
... on the network runs a daemon (or Sentinel) that gathers information about the software, hardware and status of the machine it is running on The server polls the Sentinels, gathers network information ... by the server; as a result, they can be written for multiple platforms, potentially including dedicated firewall hardware or smart hubs.2 The server translates the information returned by the ... Hacker waits for the user of workstation.testnet.com to enter the account password Step Hypothetical Hacker uses sniffer program to sniff the login information for a user account on the TestNet...
Ngày tải lên: 05/03/2014, 23:20
Báo cáo khoa học: The structural basis for catalytic function of GMD and RMD, two closely related enzymes from the GDP-D-rhamnose biosynthesis pathway pdf
... requires the formation of an initial enzyme–NAD(P)H complex, whereupon the cofactor is oxidized to NAD(P)+ during the reaction Therefore, the reduced cofactor must be replaced from the solution before ... reaction was performed for h, the enzyme was removed by filtration, and then enzyme and cofactor for the second reaction were added To determine the optimal pH for enzyme-catalyzed reactions, the extent ... nearly identical to those reported for GDP-d-Rha [5] On the basis of these NMR findings, compound D was concluded to be GDP-a-d-Rha These results for His6-RMDPa therefore confirm that this enzyme is...
Ngày tải lên: 16/03/2014, 01:20
The Continuum of Health Risk Assessments Edited by Michael G. Tyshenko pdf
... suppress the dependence on year for brevity in the following argument Let be the order of the patient among the patients on which one syringe was used If then there is null risk on him/her For each ... followed them It is important to emphasize that these workers had not declared their ex addiction until they tested positive at the screening test As for the other (58.3%), it was the first time they ... similar to the other case studies dealing with emerging health risks Looking towards the future of risk assessments, the final section deals with improving health risk assessments through the use of...
Ngày tải lên: 23/03/2014, 15:20
THE CONTINUUM OF HEALTH RISK ASSESSMENTSE docx
... suppress the dependence on year for brevity in the following argument Let be the order of the patient among the patients on which one syringe was used If then there is null risk on him/her For each ... followed them It is important to emphasize that these workers had not declared their ex addiction until they tested positive at the screening test As for the other (58.3%), it was the first time they ... similar to the other case studies dealing with emerging health risks Looking towards the future of risk assessments, the final section deals with improving health risk assessments through the use of...
Ngày tải lên: 27/06/2014, 09:20
Báo cáo khoa học: "Natural black pine (Pinus nigra subsp salzmannii) forests of the Iberian eastern mountains: development of the phytoecological basis for their site evaluation *" pptx
... hectares The black pine forests found in the Sistema Ibérico account for two-thirds of the total black pine formations in the Iberian peninsula Together with Pinus sylvestris woods, they represent the ... These sites are located in the transitional zone from the forest of the more continental western sector to the eastern sector, and therefore their characterization is sometimes difficult Furthermore, ... mixed forest is most likely their foreseeable forest type Xeromesophytic pine forests of the eastern section: groups11-13 This grouping includes 33 sites found in the lower elevation areas of the...
Ngày tải lên: 08/08/2014, 19:21
Mixture toxicity of POPs dioxins, PCBs, PBDEs considerations from mechanisms of actions and for risk assessment
... for ci*ng us although oSen with the wrong scien*fic ra*onale! 2010 Evalua*on >1500 cita*ons 2010 Evalua*on ~ 500 cita*ons 14-‐12-‐11 Use of TEFs and TEQs for ... Applica'on these ‘intake or inges'on’ TEFs has limited toxicological relevance and use for risk assessment of environmental matrices Aspects reduced bioavailability, environmental ... Present TEF scheme and associated TEQs for exposure via dietary intake situa*ons (TEFs based largely on uptake studies) Applica'on these ‘intake or inges'on’ TEFs has limited...
Ngày tải lên: 16/04/2015, 08:52
The structure basis for burkholderia pseudomallei hcp induced multinucleated giant cell formation
... proteins that form the shaft and the needle tip respectively 76,96,97 The contraction of TssA/B is thought to be responsible for their ejection into the extracellular milieu 96,98 The export of ... introduced at the 5' end of the forward primer, and a XhoI restriction site at the 5' end of the reverse primer The template DNA was the genomic DNA from B pseudomallei, strain KHW The PCR reaction ... and the actual risk map of melioidosis continues to be redefined 1.1.3 Clinical features The clinical features of melioidosis have been reviewed in detail In summary, these include associated risk...
Ngày tải lên: 10/09/2015, 09:25
The Scientific Basis for Estimating Air Emissions from Animal Feeding Operations
... Sciences, the National Academy of Engineering, and the Institute of Medicine The members of the committee responsible for the report were chosen for their special competences and with regard for appropriate ... research, dedicated to the furtherance of science and technology and to their use for the general welfare Upon the authority of the charter granted it by the Congress in 1863, the Academy has a mandate ... identified for EPA (2001a), only 33 were found by the report's authors to be suitable for use in the model farm construct The committee judged them to be insufficient for the intended use The breadth...
Ngày tải lên: 22/06/2016, 09:40
Clinical Vignettes for the USMLE Step 1 PreTestTM Self-Assessment and Review Fourth Edition pot
... because the antipsychotic counteracts the effects of the calcium channel blocker f Worsening of angina because the lithium antagonizes the effects of the nitroglycerin 26 Clinical Vignettes for the ... enter the skin of her forefinger The area later becomes infected and she removes the thorn, but there is still pus remaining at the wound site Which of the following cells functions in the formation ... journal article for further reading The questions in this book were culled from the seven PreTest Basic Science books The publisher acknowledges and thanks the following authors for their contributions...
Ngày tải lên: 29/03/2014, 08:20
Báo cáo y học: "The clinical assessment study of the foot (CASF): study protocol for a prospective observational study of foot pain and foot osteoarthritis in the general population" docx
... recorded on a paper proforma The Research Assessor performing the ultrasound will be blind to the results of the clinical assessment The scan will take approximately 10 minutes for each participant ... centred at the base of the third metatarsal [24] For lateral projections the participant will stand on a low platform with the detector positioned at the side of the participant’s foot The x-ray ... validity of their conclusions [69] This is especially true of observerdependent methods of data-gathering In the clinical assessment phase of the study, the clinical interview and physical assessment, ...
Ngày tải lên: 10/08/2014, 21:24
báo cáo khoa học: " A new model for the characterization of infection risk in gunshot injuries:Technology, principal consideration and clinical implementation" pptx
... when the shots were fired They were placed on a support directly in line with the rifle so that the shot passed through the middle of the block 5.0 g of barium titanate were then distributed in the ... filter paper was inserted to block the dust chamber from the barrel of the rifle The other end of the dust chamber was directly adjacent to the gelatin block Shortly before a shot was fired, a momentum-like ... along the entire bullet path for both types of projectiles examined In the case of the soft point projectile, there were no significant differences between the size of the temporary cavity and the...
Ngày tải lên: 11/08/2014, 20:21
Systemic risks of genetically modified crops the need for new approaches to risk assessment
... EU Furthermore, the suggestion does not reflect the concept of the EU biosafety legislation saying that the application of gene technologies might lead to new risks and that, therefore, the first ... include other issues than health and environment in the risk assessment procedure Due to the strong linkages between public and private research right from the start of the technology in the USA, the ... Wallingford: Cabi Publishing; 2008 51 OECD: Emerging risks in the 21st century–an agenda for action Paris 2003 52 Raybould A: Problem formulation and hypothesis testing for environmental risk assessments...
Ngày tải lên: 17/02/2016, 11:38
Báo cáo y học: "Clinical Strategy for the Management of Solid Pseudopapillary Tumor of the Pancreas: Aggressive or Less"
... of the pancreas and the mass with preserving the rim of the head and tail portion can be achieved However, for the patient in whom the mass was located within the head of the pancreas, given the ... attempted for three SPT patients in whom the mass was located in the portion of body or tail of the pancreas For tumors of SPT located in the neck and body of the pancreas, resection of the midportion ... routinely performed to rule out pancreatic malignancy Otherwise, for the patients with pancreatic malignancies, a radical surgery should be the reasonable option for curative therapy Aside from the distal...
Ngày tải lên: 25/10/2012, 11:40
Radiological risk assessment for Al-Twuaitha nuclear site in Iraq
... the contribution of individual risk factors to the variance of the target forecast Thus, the question of what are the most important risk factors can be answered depends decisively upon the risk ... were the most influence parameters Conclusion The risk assessment and sensitivity analysis charts shows significant risk for the selected hotspots zones The total risk is dominated by effect of the ... 40K and 90Sr are still eminent in the environment, mainly in the surface soil Therefore, the aim of the present work is to evaluate the risk of radioactivity in the contaminated soil using crystal...
Ngày tải lên: 05/09/2013, 16:10
Tài liệu The Morning Gap, Low Risk Opportunity for the Astute Market Speculator ppt
... high reward but you had to be trading at or near the open to get that low risk short entry which was true for all the gap entries for the week The key is to not look at candles on your screen ... here and there but over time will lose Therefore, we want to be sitting at "D", ready to buy from that novice seller on the gap open If we are wrong, it's a small loss as the risk is low The two ... lines you see on the chart were our targets as they represented price levels where we may have some supply The lower target was the origin of the gap and the higher target is the nearest pivot...
Ngày tải lên: 23/12/2013, 12:16
Tài liệu Báo cáo khoa học: Upregulation of the a-secretase ADAM10 – risk or reason for hope? docx
... partially penetrant, these results give support to the hypothesis that the human gene for ADAM10 plays a role in the aetiology of AD ADAM10 and tumour necrosis factor a (TACE): the ill-matched couple ... intervention within the biosynthetic pathway of ADAM10 is provided by directly interfering with the expression of the gene for ADAM10: the promoter region of the gene for ADAM10 has been characterized ... whether soluble ADAM10 and the transmembrane variant cleave the same substrates and whether they have the same catalytic properties in vivo, this type of regulation has to be elucidated further...
Ngày tải lên: 16/02/2014, 09:20