... 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
... ACHING IN THE UPPER JAW AND TEETH The maxillary (cheek) sinuses are located just above the teeth. In fact, the roof of the mouth, in the location of the dental roots) is the floor of the maxillary sinuses. While it is not uncommon for dental problems to lead to ... information from CT scans of patients with sinus disease. This information includes the status of the bony walls, the nature of material within the sinuses, and the status of the adjacent normal structures such as the eye, brain, and midface. The status of the bony walls of the sinuses is important both in benign sinus disease and also in sinus ... of substances that are meant to fight the presence of these particles. These include the release of histamine and other substances that create an inflammatory response. These responses were designed as a defense against the “foreign intruder” for instance, the dustmite particles. However, this allergy response has the unfortunate ...
Ngày tải lên: 19/02/2014, 08:20
Tài liệu Dynamic Resource Allocation for Database Servers Running on Virtual Storage pptx
... the buffer pool level Then, we vary the quota allocations for the two caches and the disk bandwidth for the application, to all possible combinations in the model For each quota setting, we then ... determined by the accesses that miss in the buffer pool and either i) hit in the storage cache or ii) miss in the storage cache, hence access the disk 76 Assuming that the access latency for a hit/miss ... intuitive For example, if the entire disk was given to the application, i.e., ρd = 1, then the storage access latency is equal to the underlying disk access latency On the other hand, if the application...
Ngày tải lên: 19/02/2014, 12:20
Tài liệu A Sense of Wonder, aris rising from Aesthetic Experiences, should be the hould be the Starting Point for Inquiry in Primary Science ppt
... are the seeds that later produce knowledge and wisdom, then the emotions and the impressions of the senses are the fertile soil in which the seeds must grow The years of early childhood are the ... prepare the soil Once the emotions have been aroused a sense of the beautiful, the excitement of the new and the unknown, a feeling of sympathy, pity, admiration or love then we wish for knowledge ... His call for the need to move the findings of this research into school practice is still relevant today and provides justification for the further exploration of the role of wonder in the science...
Ngày tải lên: 19/02/2014, 17:20
Tài liệu Evidence-Based Guidelines for Migraine Headache in the Primary Care Setting: Pharmacological Management of Acute Attacks doc
... diagnosing migraine, the physician excludes any secondary causes of the patient’s headache In addition, the physician determines whether the patient has other coexisting primary headache (e.g., ... patient responses to these therapies are not always predictable Therefore, management is often indivudalized The choice of treatment should consider, among other characteristics, the frequency and ... manage their disease Aims of the Guideline The objective of the US Headache Consortium is to develop scientifically sound, clinically relevant practice guidelines on chronic headache for the primary...
Ngày tải lên: 21/02/2014, 12:20
Báo cáo khoa học: The N-terminal cysteine pair of yeast sulfhydryl oxidase Erv1p is essential for in vivo activity and interacts with the primary redox centre doc
... growth therefore depends on the expression of the genes from the plasmids The data in Table demonstrate that under these conditions only the wild-type protein supports growth at 36 °C, the restrictive ... of the flexible C-terminal arm in the related Erv2p [11] In one conformation, this arm brings the CGC close to the redox-active centre of the other monomer, while in the second conformation the ... reaches out to the open space Thus, the CGC motif on the flexible arm might exchange the de novo synthesized disulfides from the CXXC motif of the primary redox-active centre and passes them on to...
Ngày tải lên: 17/03/2014, 10:20
Prepared Statement of the Federal Trade Commission before the Internet Corporation for Assigned Names and Numbers (“ICANN”) Meeting Concerning Whois Databases Marrakech, Morocco June 2006 ppt
... Statement of the Federal Trade Commission on The Integrity and Accuracy of the ‘Whois’ Database,” before the Subcommittee on Courts, the Internet, and Intellectual Property of the Committee on the Judiciary, ... the importance of Whois data for consumers IV Other Legitimate Uses of Whois Data There are other legitimate private users of Whois databases whose views and concerns should be reflected in the ... Whois Databases and Privacy Concerns about the privacy of domain name registrants have driven much of the Whois debate The FTC, as the primary enforcement agency for U.S consumer privacy and data...
Ngày tải lên: 23/03/2014, 03:20
Published quarterly by the Research Collaboratory for Structural Bioinformatics Protein Data Bank ppt
... thinking about the structures themselves One of the goals of establishing the rubric is to introduce users to critical thinking concerning the 3D data they encounter Some items in the rubric directly ... experimental data that were available at that time Coordinate data are available in PDB, mmCIF, and XML formats The date and time stamp of each file indicate the last time the file was modified The script ... Academy Princeton The Lawrenceville School Cherry Hill East and their prebuild model of hemagglutinin A rubric was used to award points for the accuracy of the model and for the addition of materials...
Ngày tải lên: 29/03/2014, 09:20
Báo cáo khoa học: "Big Data versus the Crowd: Looking for Relationships in All the Right Places" docx
... measure the quality using held-out data from Freebase We randomly partition both Freebase and the corpus into two halves One database-corpus pair is used for training and the other pair for testing ... We evaluate the precision over the 103 highest-probability predictions on the test set In Figure 5, we vary the size of the corpus in the train pair and the number of human labels; the precision ... those of the author(s) and not necessarily reflect the view of DARPA, AFRL, or the US government We are thankful for the generous support from the Center for High Throughput Computing, the Open...
Ngày tải lên: 30/03/2014, 17:20
Economic Analysis of the House Budget Resolution by the Center for Data Analysis at The Heritage Foundation pot
... Baseline The economic projections in the CBO Long-Term Alternative Fiscal Scenario forecast are the same as those underlying the CBO Long-Term Extended Baseline Scenario forecast.10 For the 10-year ... subsidies for health insurance coverage” which is not assumed in the CBO long-term AFS Therefore, the assumption underlying the spending in Medicaid, CHIP, and Exchange subsidies accounts for the percent ... (expanding the labor force).24 The change in the labor supply variables were adjusted by the macro-labor elasticity of two, which is a middle estimate of the ranges The adjustment to the add factors...
Ngày tải lên: 31/03/2014, 07:20
báo cáo hóa học: " The Psychosocial Screen for Cancer (PSSCAN): Further validation and normative data" pptx
... with the logo of the university as a gift in exchange for their time In addition to completing the PSSCAN, they also indicated their age and gender, and responded to the question of whether or ... 2b shows the ROC curves of the PSSCAN depression subscale with the clinical cutoff of the HADS as the criterion This resulted in an AUC of 91 (P < 001) The corresponding ideal cutoff on the PSSCAN ... curve analyses were performed for the anxiety and the depression subscales of PSSCAN and the corresponding validated measure namely the HADS anxiety and depression subscales The resulting ROC curve...
Ngày tải lên: 18/06/2014, 19:20
Báo cáo sinh học: " Novel data storage for H.264 motion compensation: system architecture and hardware implementation" pdf
... in the reference image there is a high overhead when retrieving useful data; • increased number of read commands on the address bus toward the memory The vectorized data storage scheme is further ... from the memory Based on the new data organization, it is easily observable that only one row of the SDRAM memory needs to be accessed to get all the requested data The data are requested from the ... data from the memory The same addressing system is kept for the × Chroma blocks They are saved in an interlaced way in the memory as used also in [2] The data are vectorized using the proposed...
Ngày tải lên: 18/06/2014, 22:20
báo cáo hóa học:" Novel data storage for H.264 motion compensation: system architecture and hardware implementation" doc
... in the reference image there is a high overhead when retrieving useful data; • increased number of read commands on the address bus toward the memory The vectorized data storage scheme is further ... from the memory Based on the new data organization, it is easily observable that only one row of the SDRAM memory needs to be accessed to get all the requested data The data are requested from the ... data from the memory The same addressing system is kept for the × Chroma blocks They are saved in an interlaced way in the memory as used also in [2] The data are vectorized using the proposed...
Ngày tải lên: 20/06/2014, 04:20
Báo cáo toán học: " Novel data storage for H.264 motion compensation: system architecture and hardware implementation" pot
... in the reference image there is a high overhead when retrieving useful data; • increased number of read commands on the address bus toward the memory The vectorized data storage scheme is further ... from the memory Based on the new data organization, it is easily observable that only one row of the SDRAM memory needs to be accessed to get all the requested data The data are requested from the ... data from the memory The same addressing system is kept for the × Chroma blocks They are saved in an interlaced way in the memory as used also in [2] The data are vectorized using the proposed...
Ngày tải lên: 20/06/2014, 21:20
Báo cáo hóa học: " Research Article An ML-Based Estimate and the Cramer-Rao Bound for Data-Aided Channel Estimation in KSP-OFDM" pdf
... matrix For data detection, the known samples are first subtracted from the received signal Then, the ν samples of the guard interval are added to the first ν samples of the data part of the block, ... of the observation Therefore, the presence of the data symbols will have almost no influence of the GCRB, resulting in the GCRB to be independent of N In Figure 7, we show the GCRB for both the ... dB), the GCRB of the total observation coincides with the low SNR limit of the (G)CRB At high SNR, the GCRB reaches the GCRB (27) for the subset observation Further, it can be observed that the...
Ngày tải lên: 22/06/2014, 19:20
Báo cáo khoa học: "Primary undifferentiated embryonal sarcoma of the liver mistaken for hydatid disease" pptx
... depends on the size and location of the hydatid lesion [9-11] Complete resection followed by adjuvant chemotherapy is the current standard of care for hepatic UES, however due to the rarity of the disease, ... contributions WF drafted the manuscript, NEM and DM participated in the design of the study, AcS assisted with the collection of data and conceived of the study, MK and AlS participated in the design and ... chemotherapy If a percutaneous track cannot be resected, radiotherapy should be considered to reduce the risk of recurrence Page of Consent Written informed consent was obtained from the patient for...
Ngày tải lên: 09/08/2014, 03:21
Báo cáo y học: "A cluster randomized trial of standard quality improvement versus patient-centered interventions to enhance depression care for African Americans in the primary care setting: study protocol NCT00243425" doc
... feedback regarding their interviewing skills (either during or at the end of the study), and $200 paid to them or their organization Subsequently, the principal investigator explained the study to ... the duration of the 12month intervention The common goals of the standard and patient-centered DCMs were to provide needs assessment (five core areas for the standard DCM, 11 core areas for the ... intensive, and presents the relatively small possibility of cross contamination of the patient intervention among patients within the same clinician cluster Therefore, for this study, the investigators...
Ngày tải lên: 11/08/2014, 05:21
báo cáo khoa học: "BRAD, the genetics and genomics database for Brassica plants" ppt
... selected from the six annotation datasets as described above Clicking on the selected records will then lead users to genes with annotations related to the keyword A further click of the gene ID ... B nigra and B napus) when they are available In addition, new data will be processed first and then appropriately integrated or linked to the existing datasets The data types listed below will ... as well as the use of the information from the model plant A thaliana Aimed at helping scientists and breeders to fully and efficiently use the information of genomics and genetics datasets of...
Ngày tải lên: 11/08/2014, 11:21
Báo cáo y học: " Integrating mental health into primary care for displaced populations: the experience of Mindanao, Philippines" doc
... contributions YM analyzed the data and drafted the manuscript CR, TG, RTM and SC conceived the data collection system, and contributed to the data interpretation and the revision of the manuscript RFG ... (57%) of the patients did not come back for a scheduled visit (dropouts) before being discharged by the team Data collected by the CHW showed that 35 to 40% of the dropouts had moved to another location ... Methods Setting The Mindanao conflict in the Philippines first flared in the 1960s when the Moros, the Muslim minority, began an armed struggle to regain their ancestral homeland in the southern island...
Ngày tải lên: 13/08/2014, 15:21