substrates based on radiocarbon and optically stimulated luminescence dating weert se netherlands

Báo cáo khoa học: Structural requirements for Caenorhabditis elegans DcpS substrates based on ﬂuorescence and HPLC enzyme kinetic studies pdf

Ngày tải lên : 29/03/2014, 09:20

... These data conrm the earlier observations that nematode DcpS utilizes the same mechanism of catalysis as proposed for other HIT pyrophosphatases cleaving the cap structure, and the highly conserved ... cap analogs and their hydrolysis products were identied using absorption and emission spectroscopy and HPLC analysis The concentrations of the investigated substrates were determined on the basis ... 10% glycerol, 1% Triton X-100, 10 mm imidazole); lysozyme was added to a nal concentration of mgặmL)1, the suspension was incubated on ice for 30 min, and then sonicated on ice (15 ã 30 s every...

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The Breast Cancer Epidemic: Modeling and Forecasts Based on Abortion and Other Risk Factors potx

Ngày tải lên : 06/03/2014, 02:21

... abortion statistics are used to derive abortion rates for Northern Ireland The trends in abortion and fertility in Northern Ireland are shown in Figures and Abortion rates in Ireland, where abortion ... S Carroll, M.A., is Director of Research, Pension and Population Research Institute (PAPRI), 35 Canonbury Road, London N1 2DG, UK Contact: papriresearch@btconnect.com Acknowledgements: Particular ... publication Trends in Cancer Survival in Scotland 1971-1995 with permission of the Cancer Surveillance Team, Information Services Division (ISD), NHS National Services, Scotland Computing was done...

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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

... genomic context: exonic miRNA in noncoding transcripts, intronic miRNAs in noncoding transcripts, and intronic miRNAs in protein-coding transcripts [8,9] Based on the accumulating knowledge on miRNA ... transfection PLD2 and a-tubulin were detected by a polyclonal antibody and a mouse monoclonal antibody, respectively, followed by goat antirabbit secondary IgG conjugated to Alexa 680 and goat ... (lane 4), and pRK-human IgG, and were analyzed as in (B) signiﬁcantly increased expression of the marker protein Insertion of a miRNA -based artiﬁcial miRNA expression cassette into an intron was...

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photocatalytic nanocomposites based on tio2 and carbon nanotubes

Ngày tải lên : 20/03/2014, 13:06

... the semiconductor, an electron is excited from the valence band into the conduction band leaving a hole behind Excited state conduction-band electrons and valence-band holes can recombine and ... oxidative conversions Environmental decontamination by photocatalysis can be more appealing than conventional chemical oxidation methods because semiconductors are inexpensive, nontoxic, and capable ... rate constant [133] Degradation and mineralization can be monitored by determining sulfate ion and total organic carbon concentrations in the reaction solution In this study, the reduction in...

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Optically Stimulated Luminescence pdf

Ngày tải lên : 22/03/2014, 09:20

... linear modulation optically stimulated luminescence National Council on Radiation Protection and Measurements optically stimulated luminescence/ photostimulated luminescence xvi List of Acronyms OSLD/TLD ... interaction is insufﬁcient to cause further ionizations As a result of these numerous ionizations, a large number of electrons and holes are created in the crystal These electrons and 22 Optically Stimulated ... represent vibrational energy levels of the defect Diagram based on Blasse and Grabmeir (1994) 30 Optically Stimulated Luminescence ions and approximates the vibrations in the crystal by harmonic...

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09 - personalized email prioritization based on content and social network analysis

Ngày tải lên : 22/03/2014, 22:26

... represents the transitional probabilities among users based on unlabeled email interactions The second term in the formula represents the supervised label bias over users Constant a ∈ [1, 0] controls ... algorithm based on the user’s personal social network An element of the subvector is if the user belongs to the corresponding cluster and otherwise; each user can belong to only one cluster If the sender ... agent -based simulation and counterterrorism, defense modeling, and simulation Moon has a PhD in computation, organization, and society from Carnegie Mellon University Contact him at icmoon@smslab.kaist.ac.kr...

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Báo cáo khoa học: "The Corpora Management System Based on Java and Oracle Technologies" potx

Ngày tải lên : 31/03/2014, 20:20

... advantages of Oracle Text search and services and includes (Oracle9i Database Documentation): • Content -based retrieval on free text with both literal (word) predicates and thematic predicates ... queries XML path searching is able to perform sophisticated section searches: doctype disambiguation, attribute value searching, automatic section indexing, and more In addition to the search capabilities, ... operators and index preferences (e.g Boolean, exact phrase match, proximity, section searching, fuzzy, stemming, wildcard, thesaurus, stopwords, case sensitivity, and search scoring), "about" search,...

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mechanical properties of polymers based on nanostructure and morphology, 2005, p.738

Ngày tải lên : 04/06/2014, 14:26

... Properties, and Applications, Andrew J Peacock Polymer and Composite Rheology: Second Edition, Revised and Expanded, Rakesh K Gupta Handbook of Polyolefins: Second Edition, Revised and Expanded, edited ... Rheology and Processing, A V Shenoy and D R Saini Prediction of Polymer Properties: Second Edition, Revised and Expanded, Jozef Bicerano Practical Thermoforming: Principles and Applications, Second ... Technology Handbook: Second Edition, Revised and Expanded, Manas Chanda and Salil K Roy Prediction of Polymer Properties, Jozef Bicerano Ferroelectric Polymers: Chemistry, Physics, and Applications,...

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báo cáo hóa học: " Human-machine interfaces based on EMG and EEG applied to robotic systems" pot

Ngày tải lên : 19/06/2014, 10:20

... directions and distances are also conducted An EMG -based command is also used in a dexterous robot hand in [7] The system reproduces the finger motions when the user moves his/her fingers, and can ... dissatisfaction of individuals can be used to correct machine errors When an individual sends a command to a device and gets a non-expected response, the awareness of erroneous responses, even when ... Machine Interfaces Two HMIs, based on different electrobiological signals were developed, namely an EMG -based HMI and an EEG -based HMI The first one allows a person to command devices through the...

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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

... 400 600 Time (seconds) 1000 −10 800 200 Bandwidth (Kbits/sec) −10 800 200 200 Bandwidth (Kbits/sec) 1200 Bandwidth (Kbits/sec) 1200 1000 Bandwidth (Kbits/sec) 1200 −5 Time (seconds) Average 1st ... physical conditions of the environment First, this stretch comprises a narrow street surrounded by buildings on both sides As can be seen in Figure 10, these conditions are only present in this segment, ... period In the evaluation, the NEMO route on the 802.11b managed interface has been used for 24 seconds for the ﬁrst access point, and then an additional 10 seconds for the second one As the speed...

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Báo cáo sinh học: " Research Article Improved Adaptive LSB Steganography Based on Chaos and Genetic Algorithm" ppt

Ngày tải lên : 21/06/2014, 16:20

... introduced by Holland [12] in his seminal work, is commonly used as an adaptive approach that provides a randomized, parallel, and global search It bases on the mechanics of natural selection and genetics ... best solution by using three operators: selection, crossover, and mutation [13] The process is repeated until a predefined condition is satisfied Once we have the genetic representation and the fitness ... very sensitive to initial conditions, in the sense that two logistic sequences generated from different initial conditions are uncorrelated statistically The logistic map was used to generate a sequence...

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Báo cáo sinh học: " Research Article Robust Iris Veriﬁcation Based on Local and Global Variations" pptx

Ngày tải lên : 21/06/2014, 16:20

... variations SVM -based fusion rule 100 Global variations Local variations Svm -based fusion rule (a) 10−1 (b) Figure 7: ROC plots of the local variations, the global variations, and the SVM -based fusion ... proposed feature extraction method along with the matching specifications Section presents our experimental results on the UBIRIS and CASIA ver.1 databases Conclusions are given in Section Image ... different sessions We choose three samples taken in the first session to form the training set and all samples captured in the second session serve as the test samples This protocol is consistent...

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Báo cáo hóa học: "Research Article Mode Switching for the Multi-Antenna Broadcast Channel Based on Delay and Channel Quantization" pot

Ngày tải lên : 21/06/2014, 20:20

... channel conditions, for example, through round-robin scheduling, random user selection, or scheduling based on the queue length The discrete-time complex baseband received signal at the uth user at ... and select one (SU mode) or Nt (MU mode) users to serve This is a low-complexity transmission strategy, and can be combined with random user selection, round-robin scheduling, or scheduling based ... presented in Section The transmission techniques for both SU and MU-MIMO modes are described in Section The rate analysis for both SU and MU modes and the mode switching are done in Section Numerical...

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Báo cáo hóa học: " Synthesis of High Coercivity Core–Shell Nanorods Based on Nickel and Cobalt and Their Magnetic Properties" pot

Ngày tải lên : 22/06/2014, 00:20

... Transmission electron microscopy (TEM) experiments were performed using JEM 2010 transmission electron microscope Results and Discussion The formation of Co NT and the subsequent formation of Ni ... crystalline in nature and constitutes two separate phases, a fcc belonging to Ni and a hexagonally closed packed (hcp) Co Broad features appearing in the 15–35° 2h range arise from the amorphous ... the fabrication of such a one-dimensional system namely Ni @ Co nanorods, which is essentially a core–shell architecture (Ni as core and Co as shell) and studies on their structural and magnetic...

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Báo cáo hóa học: " Research Article Active Video Surveillance Based on Stereo and Infrared Imaging" doc

Ngày tải lên : 22/06/2014, 19:20

... International Workshop on Object Tracking and Classification in and Beyond the Visible Spectrum, San Diego, Calif, USA, June 2005 B Bhanu and X Zou, “Moving humans detection based on multi-modal sensory ... of the concatenation of the m SOMs outputs (in our case, m = 3) This vector represents the input of the second level The recognition level consists of a neural network classifier based on error ... networks and active contour models,” Neurocomputing, vol 43, pp 145–172, 2002 [5] J B Kim and H J Kim, “Efficient region -based motion segmentation for a video monitoring system,” Pattern Recognition...

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Báo cáo hóa học: " Research Article Demosaicking Based on Optimization and Projection in Different Frequency Bands" pdf

Ngày tải lên : 22/06/2014, 19:20

... decomposition and reconstruction were deﬁned O A Omer and T Tanaka 11 Table 4: Eﬀects of threshold (θ1 ) and iteration number on edgy and smooth regions Edgy region Iterations θ1 = ∞ θ1 = Smooth region ... is used to detect an edgy region (directional area), a small variation in colors can lead to a wrong decision, that is, nondirectional regions are likely to be considered directional regions ... Section presents and discusses the simulation results Section concludes the paper with a brief summary We use the following notation Let R, G, and B pixel values correspond to the red, green, and blue...

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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

... up-conversion architecture, offset upconversion architecture with baseband reconstruction, and offset up-conversion architecture with bandpass reconstruction Simplified block diagrams of these architectures ... direct up-conversion architecture, (b) offset up-conversion architecture with baseband reconstruction, (c) offset up-conversion architecture with bandpass reconstruction of the transmitter RF band, the ... with baseband reconstruction Offset up-conversion transmitter architecture with bandpass reconstruction Low accuracy of modulation due to significant phase and amplitude imbalances between I and Q...

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Báo cáo hóa học: " Audio Watermarking Based on HAS and Neural Networks in DCT Domain" doc

Ngày tải lên : 23/06/2014, 01:20

... Calculation of the power spectrum Step 2: Determination of the threshold in quiet (absolute threshold) Step 3: Finding the tonal and nontonal components of the audio Step 4: Decimation of tonal and nontonal ... addition, Figure 11 displays the similarity between w and wMF,l for each l Observing Figures 10 and 11, these three Chinese words can be speciﬁcally identiﬁed in most cases under consideration Consequently, ... Audio Watermarking Based on HAS and Neural Networks in DCT Domain Section introduces basic concepts for the frequencymasking used in the MPEG-I Psychoacoustic model Section states the watermark-embedding...

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báo cáo khoa học: " Identification of tissue-specific, abiotic stressresponsive gene expression patterns in wine grape (Vitis vinifera L.) based on curation and mining of large-scale EST data sets" docx

Ngày tải lên : 11/08/2014, 11:20

... and probesets with contradictory responses to stress (expression significantly increased in one condition, but significantly decreased in another) were not considered Functional annotation was ... Bohlmann J: Functional annotation, genome organization and phylogeny of the grapevine (Vitis vinifera) terpene synthase gene family based on genome assembly, FLcDNA cloning, and enzyme assays ... performed all root EST sequencing, primary data analysis and submission RLA performed all root tissue preparations and mRNA extractions and data analyses for root cDNA library construction KAS performed...

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Báo cáo y học: " Short-term prediction of threatening and violent behaviour in an Acute Psychiatric Intensive Care Unit based on patient and environment characteristics" pps

Ngày tải lên : 11/08/2014, 16:23

... emergency population based on evaluations at admittance These patient-related conditions are actuarial data (age, gender, admission status and diagnosis), assessments of symptoms, function and behaviour, ... Therapeutic- and control steps taken and nurses’ observations were coded on a 23-item checklist These therapeutic steps and observations included for instance “frequency of testing out and pushing ... segregation settings This may indicate that our study generally illustrates the effects seen also in traditional seclusion settings Segregation of patients raises ethical and legal questions During...

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