comparative anatomy and physiology of the eye
Teaching About Evolution And The Nature Of Science National Academy of Sciences pot
Ngày tải lên :
27/06/2014, 05:20
... thought that ropes A and C were the two ends of the same rope and B and D were two ends of another rope Karen had A and B as ends of the same rope and C and D as ends of another rope, and her explanation ... another occupied the mid-regions of branches and ate from different parts of the foliage; and the third fed on insects occupying the finest needles near the periphery of the tree Although the ... understood was the cause of night and day Some of the earliest surviving human records left on clay tablets relate to the movements of the sun and other celestial bodies The obvious cause of day and night...
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Báo cáo hóa học: " Research Article Design and Experimental Evaluation of a Vehicular Network Based on NEMO and MANET" pdf
Ngày tải lên :
21/06/2014, 08:20
... seen, the results of the UMTS link offer the worse results, due to the delay of the operator’s network and the bandwidth limited by the radio coverage and the available resources in the cell The ... passes the SE corner at times 97s, 257s, 419s, and 537s At these times, the sender vehicle is at the next road (E in this case) and the receiver vehicle is at the previous one (S) On the other hand, ... by using the control buttons on the left side of the web page The replay speed can be adjusted and a step-by-step mode has been implemented On the map, the positions and movements of the vehicles...
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Báo cáo hóa học: " Flexible Analog Front Ends of Reconfigurable Radios Based on Sampling and Reconstruction with Internal Filtering" pdf
Ngày tải lên :
23/06/2014, 00:20
... Technology of the SCs and technical decisions regarding these and other units of the SDRs also influence selection of w0 (t) Due to the complexity of these multiple tradeoffs, there is no mathematical ... minimizes aliasing and simplifies both digital forming of I and Q components at the output of the receiver A/D and digital forming of a bandpass signal at the input of the transmitter D/A Therefore, fs ... similar to the beginning of the procedure used for baseband sampling of bandpass signals (see Figures 1a and 1b) However, further processing is different Instead of baseband filtering of the lowest...
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Báo cáo lâm nghiệp: "Automatic determination of fiber orientation on OSB surface using line detection method based on small eigenvalue analysis" doc
Ngày tải lên :
08/08/2014, 00:22
... because the conveyer movement and vibration worked like a filter to cause the small strands to align random Most of the small strands fall and collect on the surface of a conveyer, which forms the ... as the main peak of the distribution RESULTS AND DISCUSSION The original pictures of the top surface and undersurface are shown in Figures 3a and 4a It can be seen that the flake alignment on the ... dominant peak, and the frequency distribution of the angles was almost constant in the range to 80 degrees for the undersurface As described above, the small strands blurred the edge lines of the undersurface...
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báo cáo khoa học: " Classification of unknown primary tumors with a data-driven method based on a large microarray reference database" ppsx
Ngày tải lên :
11/08/2014, 12:21
... designed the study, performed the majority of the work and wrote the manuscript SKK did the LOOCV validation part, provided ideas for the project and participated in the writing of the manuscript ... Score > 0.01 50% of samples, 97% accuracy Score > 0.05 69% of samples, 89% accuracy Figure A graph of the accuracy of the method as a function of the similarity score of the best hit The graph was ... samples Of the 128 metastasis samples, 83 could be assigned to both a target tissue and a cancer of target tissue We then studied whether the similarity of these test samples to either their target...
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1 an envelope detection method based on the first vibration mode of bearing vibration
Ngày tải lên :
03/12/2014, 23:41
... frequency and the carrier frequency, and would be the intrinsic characteristics of the system L is the quantity of vibration mode of the system hlm(t) and hln(t) are the initial angles for the amplitude ... describes the dimension information of defect and the sensitivity of striking energy, and alm(t) is the characteristic function of transmission path In the other term, nr is the number of roller, ... terms describe the vibrations of defect components and normal components In the first term of Eq (1), md is the number of defect, dm(t) depicts the defect impulse train of contact and is the modulating...
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Reliability analysis of a power system based on the multi state system theory
Ngày tải lên :
03/01/2014, 19:38
... capacity of the system is above 22.8 Ah, the system is reliable, though the capacity of a battery is lower than 5700 mAh Suppose the capacity of the first branch is 5600 mAh and the capacity of other ... theory The results show that: CONCLUSIONS The multi-state system theory is introduced to analyze the reliability of the power system in this paper, and is compared 97 (1) The reliability of the ... RELIABILITY ANALYSIS OF THE POWER SYSTEM The reliability of the power system is analyzed using the multi-state system theory According to (2), the universal generating function of the battery is:...
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Tài liệu Gait Pattern Classification of Healthy Elderly Men Based on Biomechanical Data ppt
Ngày tải lên :
14/02/2014, 07:20
... populations (young and elderly), there was a total of 64 gait trials The 3D coordinates were calculated and then filtered using the routines provided in the Vicon system software The phasic and temporal ... heel-strikes of the right lower limb The 3D muscle powers were estimated by the product of the net muscle moment developed at each joint of the lower limb and for each plane, and the angular velocity ... terms of the effect of the combined 31 gait parameters The optimal number of clusters can be determined in several ways Winters and coworkers*’ calculated the criterion of Hartigan and the maximum...
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Tài liệu Báo cáo khoa học: "Knowledge Acquisition from Texts : Using an Automatic Clustering Method Based on Noun-Modifier Relationship" pptx
Ngày tải lên :
22/02/2014, 03:20
... Evaluation of the quality of the clustering procedure • in the majority of the works using clustering methods, the evaluation of the quality of the method used is based on recall and precision ... constitute synonym sets : the synonym terms are grouped, one of them is chosen as a concept label, and the others are kept as the values of a generic attribute labels of the considered concept (see ... different inflections (the candidate terms of LEXTER are lemmatised) and takes into account the syntactical structure of the candidate terms For instance, LEXTERextracts the complex candidate term BUILT...
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Báo cáo khoa học: Design of expression vectors for RNA interference based on miRNAs and RNA splicing potx
Ngày tải lên :
07/03/2014, 11:20
... inserted the miR155 and miR30 artificial miRNA-expressing cassettes into a chimeric intron composed of the 5¢ donor site from the first intron of the human b-globin gene and the branch and 3¢ acceptor ... The pSM155 and pSM30 vectors generate efficient knockdown of target proteins To examine the efficiency of generation of RNAi for pSM155 and pSM30, we examined the knockdown of expression of firefly ... inserting specific artificial miRNA sequences into the targeting vectors The terminal regions of the arms of the miR155 (A) and miR30 (B) vectors are shaded, and their stems designed to be replaced by artificial...
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Báo cáo khoa học: "Automatic Acquisition of English Topic Signatures Based on a Second Language" potx
Ngày tải lên :
08/03/2014, 04:22
... vector is the sum of the vectors of concepts that occur in a context window If many of the concepts in a window have a strong component for one of the topics, then the sum of the vectors, the context ... i=1 wi where v and w are vectors and N is the dimension of the vector space The more overlap there is between the neighbours of the two words whose vectors are compared, the higher the score Contexts ... amounts of training data tend to yield a larger set of features At the end of the training stage, for each sense, a sense vector was produced Then we lemmatised the test data and extracted a set of...
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Báo cáo " MODEL OF CONDUCTIVITY FOR PEROVSKITES BASED ON THE SCALING PROPERTY OF GRAIN BOUNDARY " ppt
Ngày tải lên :
14/03/2014, 13:20
... the ratio lG = LS /LA of the linear extents LS , determined on the basis of the grain domain perimeter G − length (in unit of image size) and LA , determined on the basis of the grain domain area ... due to the small size of the samples that usually not allow the manufacture of the Werner array electrode matrix We showed that by using the SEM images, the boundary fractal dimension and the related ... Rao and Raychaudhury in [5]): ρ = ρ0 + ρ1 T n (3) with the exponent n ≈ 2.5 and the ratio ρ1 /ρ0 ≈ 10−6 For T > Tc , the usual attitude was to suggest either the small polaron hoping or the bandgap...
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Pfam: A Comprehensive Database of Protein Domain Families Based on Seed Alignments pptx
Ngày tải lên :
16/03/2014, 16:20
... by the padded sequence on one line The name is the Swissprot acronym and the start and end are the coordinates of the first and last residues of the sequence segment In the release flat file the ... compared with the existing models and if they score above the cutoff they are automatically added to the full alignment Normally the seed alignment is not altered, except for the updating of corrected ... swissPfam The entire sequence is represented with ‘5’ and the Pfam domains with ‘-’ on the lines below The columns of the domain lines are: Pfam ID, nr of domains, schematic, nr of members in the family,...
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Báo cáo khoa học: "Dependency Parsing of Japanese Spoken Monologue Based on Clause Boundaries" docx
Ngày tải lên :
17/03/2014, 04:20
... ancillary words, the type of dependency is the lexicon, part -of- speech and conjugated form of the rightmost ancillary word, and if not so, it is the part -of- speech and conjugated form of the rightmost ... were automatically performed and then modified by hand Here, the specification of the partsof-speech is in accordance with that of the IPA parts -of- speech used in the ChaSen morphological analyzer ... that of the Kyoto Corpus (Kurohashi and Nagao, 1997) Table shows the results of analyzing the 200 sentences Among the 1,479 bunsetsus in the difference set between all bunsetsus (2,430) and the...
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ANNALS OF THE NEW YORK ACADEMY OF SCIENCES - Full cost accounting for the life cycle of coal potx
Ngày tải lên :
23/03/2014, 00:20
... estimates of the social cost of carbon the valuation of the damages due to emissions of one metric ton of carbon, of $30/ton of CO2 equivalent (CO2 e),20 with low and high estimates of $10/ton and ... measure of the costs of climate change is the rising costs of extreme weather events, though these are also a function of and real estate and insurance values Overall, the costs of weather-related ... in the U.S Northeast was linked to approximately 70 deaths, tens of thousands of asthma attacks, and hundreds of thousands of episodes of upper respiratory illnesses annually.89 A reanalysis of...
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Báo cáo khoa học: "A Latent Topic Extracting Method based on Events in a Document and its Application" pot
Ngày tải lên :
23/03/2014, 16:20
... recognized the necessity of such type of an Event by investigating the extracted pairs of words and comparing them with the content of the target document in preliminary experiments, and could ... on the result of the first process, and then it is decided which measure is the most useful by applying each measure to estimate the similarity of topic distributions Here, the iteration count of ... al., 2004), and the number of extracted sentences is the same as used in TSC3 Precision is an evaluation measure which indicates the ratio of the number of correct sentences to that of the sentences...
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