while content validity depends on a theoretical basis for assuming if a test is assessing all domains of a certain criterion face validity relates to whether a test appears to be good measure or not
Tài liệu Lecture 14: The Theoretical Basis for Data Communication: pptx
... levels is the decibel (dB) A decibel is not an absolute measurement It is a relative measurement The decibel level indicates the relationship of one power level to another The formula for calculating ... Shanon Theorem: Mathematical guidelines have been established to determine the maximum theoretical data transfer over a channel based on the channel's bandwidth and Signal -to- Noise ratio This is ... a Signal -to- Noise ratio of 30 dB or more is satisfactory Signal -to- Noise ratio = signal level in dBm - noise level in dBm So, for a 10 dBm signal (10 mW) the noise level has to be less than -20...
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Báo cáo hóa học: " Flexible IZO/Ag/IZO/Ag multilayer electrode grown on a polyethylene terephthalate substrate using roll-to-roll sputtering" doc
... thickness because the sheet resistance of the IAIA multilayer was mainly dependent on thickness of the Ag layers In addition, all IAIA multilayers show an amorphous structure and a very smooth surface ... plates To prevent increase of the resistance caused by the formation and propagation of cracks in the clamped IAIA region, we employed tilted Cu plates By repeated linear motion of the Cu plates, ... on the PET substrate at constant DC powers of 800 W for the Ag target and 350 W for the IZO target, an Ar flow rate of 30 sccm, a working pressure of mTorr, and a rolling speed of 0.5 m/min To...
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Immobilizing topoisomerase I on a surface plasmon resonance biosensor chip to screen for inhibitors pptx
... motif, forming γH2AX [30] γ-H2AX is predominantly mediated by an ataxia telangiectasia mutation (ATM) through continued phosphorylation proximal to DNA breakage sites which spreads to adjacent areas ... http://www.jbiomedsci.com /content/ 17/1/49 SPR assay of covalent complex formation The SPR assay was used to measure the formation of the DNA-TopI cleavage complex This assay differs from the gel assay by its ... interactions was successfully established Immobilization of biotinylated linear or circular DNA on the sensor surface for TopI and topII kinetic assays was performed using an SPR analysis [27-29]...
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Báo cáo y học: " Theoretical basis for reducing time-lines to the determination of positive Mycobacterium tuberculosis cultures using thymidylate kinase (TMK) assays" ppt
... Moreover, easier platforms such as chemilumniscence or fluorescence photodetection may be incorporated into these bioassays, thereby making them more affordable than the aforementioned existing methods ... microbial division and proliferation, monitoring "DNA synthesis" may predict microbial growth changes well before the visible manifestation of actual microbial growth in culture Second, phosphorylation ... to the G1 stage when a need for reproduction, proliferation or regeneration arises [17] Various environmental factors are known to initiate such deeper states of dormancy in microbes and eukaryotes...
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báo cáo hóa học: "Evaluation of the impact of fibromyalgia on patients'''' sleep and the content validity of two sleep scales" pptx
... recall period Many of these participants noted that it was too difficult to remember and /or give an accurate answer over a period of a week Discussion and conclusion Similar to previous qualitative ... gotten Ease of administration and response scale Participants generally responded positively to the format of the Sleep Quality NRS, stating that it was easy to understand and complete, and several ... were originally included to assess breathing-related sleep disorders in the general population Additionally, evaluation of a shorter recall period and employing a 4- or 5- http://www.hqlo.com /content/ 7/1/64...
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báo cáo hóa học: " Locomotor adaptation to a powered ankle-foot orthosis depends on control method" ppt
... positive negative RMS orthosis work orthosis work Figure Adaptation rates Adaptation rates Adaptation rates expressed as time in minutes to steady state for ankle angle correlation common variance, ... the orthosis and then recall that motor memory on a later date The controller used did not seem to affect this formation or recall of the motor memory The results from this study may have been altered ... condition) A linear fit of active versus passive ankle angle was calculated for each minute, and a R2 correlation value was found for each linear fit Positive and negative work allowed us to evaluate...
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báo cáo hóa học:" Evaluation of the impact of fibromyalgia on patients'''' sleep and the content validity of two sleep scales" ppt
... recall period Many of these participants noted that it was too difficult to remember and /or give an accurate answer over a period of a week Discussion and conclusion Similar to previous qualitative ... gotten Ease of administration and response scale Participants generally responded positively to the format of the Sleep Quality NRS, stating that it was easy to understand and complete, and several ... were originally included to assess breathing-related sleep disorders in the general population Additionally, evaluation of a shorter recall period and employing a 4- or 5- http://www.hqlo.com /content/ 7/1/64...
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Báo cáo lâm nghiệp: "Growth of a poplar short rotation coppice under elevated atmospheric CO2 concentrations (EUROFACE) depends on fertilization and species" ppt
... regression analysis between basal area and total leaf area of each harvested shoot, was used to calculate leaf area for each shoot in a PGP Summarized for each stool, the leaf area was averaged ... Stevens, G Avino, and B Bartoli for field assistance, W Talloen for statistical advice; and all the people involved in maintaining and developing the FACE facility We are also grateful to two anonymous ... where considered significant when the P-value of the ANOVA F -test was < 0.05 An arc-sinus transformation was used to analyse the data of proportion of dead biomass The Shapiro-Wilk statistic (proc...
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Báo cáo toán học: "On the possible orders of a basis for a finite cyclic group" potx
... ρ (A) := min{h : hA = G}, if A is a basis for G, ∞, otherwise (1.2) In the case where ρ (A) < ∞, this invariant is usually referred to as the order1 of the basis A Now let us specialise to the case ... somewhat surprising fact that the range of ρn is asymptotically sparse Corollary 1.2 |{ρn (A) : A ⊆ Zn }| = n→∞ n lim (1.3) Theorem 1.1 is a negative result for basis orders It is not hard to explicitly ... explicitly construct certain bases A of Zn with ρn (A) achieving various special values For instance, it was previously mentioned that n − is realizable as a basis order for every n ∈ N If n 3, we have...
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Báo cáo lâm nghiệp: "Diagnosing plant water status as a tool for quantifying water stress on a regional basis in Mediterranean drylands" pdf
... Erdem U., Land degradation in relation to urbanisation and industrialisation in the West Anataolian region of Turkey, in: Kapur S (Ed.), International Conference on Land Degradation, Cukurova University, ... considered as suitable candidates to natural reforestation of degraded areas of the Mediterranean Basin region Moreover, Carob tree is a species of increasing economic interest for industrial use of ... vegetation, it is related to the total photosynthetic surface area (PhA) Therefore, NDVI is sensitive to the dominant growth form (grass, shrubs or trees) in an area As an example, at equal vegetation...
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Báo cáo y học: "Theoretical basis to measure the impact of shortlasting control of an infectious disease on the epidemic peak" pps
... 44 Itoh Y, Shinya K, Kiso M, Watanabe T, Sakoda Y, Hatta M, Muramoto Y, Tamura D, Sakai-Tagawa Y, Noda T, Sakabe S, Imai M, Hatta Y, Watanabe S, Li C, Yamada S, Fujii K, Murakami S, Imai H, Kakugawa ... H, Kakugawa S, Ito M, Takano R, IwatsukiHorimoto K, Shimojima M, Horimoto T, Goto H, Takahashi K, Makino A, Ishigaki H, Nakayama M, Okamatsu M, Takahashi K, Warshauer D, Shult PA, Saito R, Suzuki ... we can partially address the uncertainty of r0 and a in the parametric assumption of the generation time That is, we adopt constant generation time (i.e delta function) as an alternative assumption,...
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Báo cáo sinh học: " Survival analysis of longevity in dairy cattle on a lactation basis" ppsx
... information is added when analysing longevity on a lactation basis The trait of interest is in both cases the overall risk of failure Applications of survival analysis on a lactation basis can be found ... polynomial estimated separately for first and later lactations, in the same data The rationale for this adjustment was that we assumed (and this was corroborated in the data) that before day 60 ... two different baselines might be enough, one for the first lactation and one for later lactations Therefore, for LACTPL, 313 Longevity on a lactation basis three alternatives were tested: a single...
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Structural basis for the inhibition mechanism of HUman CSE and a study on c CBL complexes
... and ammonia (adapted from Huang et al., 2010) 1.4.3 CSE regulation in vivo CSE is phosphorylated upon DNA damage, probably mediated by ATM (ataxia telangiectasia, mutated) and ATR (ATM and Rad3-related) ... Synchrotron Light Source, Brookhaven National Laboratory using a Q315 CCD detector (Area Detector Systems Corp., Poway, CA, USA) Plate-like crystals of hCSE-PLP appeared after one day and continued to ... regulation through ubiquitination and receptor endocytosis Ubiquitination is a negative feedback mechanism of RTK signalling For example, activated EGFR is rapidly cleared from the surface by covalently...
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Some studies on a probabilistic framework for finding object-oriented information in unstructured data
... and disambiguate different objects 10 Crawler Classifier Paper Extractor Author Extractor Product Extractor Paper Aggregator Author Aggregator Product Aggregator Scientific Web Object Warehouse ... they have different ways of constructing Therefore, these websites also provide their search tool on this data However, all of them have a database for storing all information about the apartments, ... structured information such as location, number of bedrooms, price and area A professor homepage usually contains information about his education, email, department and the university that he is in...
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The 25 most difficult questions you'll be asked on a job interviewThe 25 most difficult questions you'll be asked on a job interview
... prize is a job you don't really want What can you for us that someone else can't? Here you have every right, and perhaps an obligation, to toot your own horn and be a bit egotistical Talk about ... show that you would like to be a part of that team If the company places a great deal of emphasis on research and development, emphasize the fact that you want to create new things and that you ... WWW.RabElMagd.com WWW.RabElMagd.com opinion? Emphasize your interest in establishing a long-term association with the organization, and say that you assume that if you perform well in his job,...
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Consolidation Chareteristics based on a direct analytical solution of the Terzaghi Theory
... study confirms that the identification of the experimental range of primary consolidation that corresponds to the Terzaghi theory is of primary importance for a realistic determination of the ... The actual theoretical one-dimensional consolidation relationship between average degree of consolidation U and the time factor T obtained from the Terzaghi theory may, depending on the range of ... Deformation Rate- Deformation (DRD) Method of the 1995 Discussion on ‘Limitations of Conventional Analysis of Consolidation Settlement’ ASCE Journal of Geotechnical Engineering, 514-515 Lambe,...
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INFLUENCE DISTRIBUTIONS OF ACID DEPOSITION IN MOUNTAINOUS STREAMS ON A TALL CONE-SHAPED ISLAND, YAKUSHIMA
... total organic carbon, dissolved SiO2, inorganic cations and anions were measured as water quality indicators INFLUENCE PATTERNS OF ACID DEPOSITION Yakushima (area of 503 km2) is a tall, circular, ... remote island of Yakushima, a World Natural Heritage Area, Wat., Air & Soil Pollution, 130, 1565-1570 Nagafuchi O., H Kakimoto, S Ebise and M Ukita (2002b) Effects of forests on mountainstream water ... most part to those in other areas, the concentrations of Na+ and Cl- were higher Because the Cl- in the streamwater had an atmospheric origin and was concentrated on the canopy between rainfall...
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Fuel economy improvement based on a many-gear shifting strategy
... of shifting according to engine torque and speed in form of diagonals is adopted as basic form for both Automatic and Automated Manual transmissions Each diagonal defines the shift action point ... economy by to 8% [8] Software modifications, on the other hand are only applicable in Automatic Transmissions (AT), Automated Manual Transmissions (AMT) and Continuously Variable Transmissions (CVT), ... Manual Gearbox 1st Gear Total Ratio 2nd Gear Total Ratio 3rd Gear Total Ratio 4th Gear Total Ratio 5th Gear Total Ratio Final Drive Ratio Automatic Gearbox 1st Gear Total Ratio 2nd Gear Total Ratio...
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Plasmonic Green Nanolaser Based on a Metal SemiconductorStructure
... of laser emission as a function of the emission polarization angle relative to the long axis of nanorods axis The mechanism of the observed polarized emission might result from anisotropic gain ... electric field parallel to the nanorods axis is much larger than that perpendicular to the nanorods axis The observed polarization anisotropy is typically defined in terms of the polarization ratio F = ... curve) to the nanorod axis (the c axis of the wurtzite crystal structure) The measured polarization ratio is 0.3 (b, c) Plots of laser emission at K as a function of the emission polarization angle...
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Tìm thêm: xác định các mục tiêu của chương trình xác định các nguyên tắc biên soạn khảo sát các chuẩn giảng dạy tiếng nhật từ góc độ lí thuyết và thực tiễn khảo sát chương trình đào tạo gắn với các giáo trình cụ thể điều tra đối với đối tượng giảng viên và đối tượng quản lí khảo sát thực tế giảng dạy tiếng nhật không chuyên ngữ tại việt nam khảo sát các chương trình đào tạo theo những bộ giáo trình tiêu biểu nội dung cụ thể cho từng kĩ năng ở từng cấp độ phát huy những thành tựu công nghệ mới nhất được áp dụng vào công tác dạy và học ngoại ngữ mở máy động cơ lồng sóc hệ số công suất cosp fi p2 đặc tuyến hiệu suất h fi p2 đặc tuyến mômen quay m fi p2 đặc tuyến tốc độ rôto n fi p2 đặc tuyến dòng điện stato i1 fi p2 động cơ điện không đồng bộ một pha thông tin liên lạc và các dịch vụ phần 3 giới thiệu nguyên liệu từ bảng 3 1 ta thấy ngoài hai thành phần chủ yếu và chiếm tỷ lệ cao nhất là tinh bột và cacbonhydrat trong hạt gạo tẻ còn chứa đường cellulose hemicellulose chỉ tiêu chất lượng 9 tr 25