testing the performance of the model
mechanical, thermal and environmental testing and performance of ceramic composites and components
Ngày tải lên :
02/04/2014, 15:41
... trimmed off beyond the end of the precrack, a new notch was introduced, and the process repeated The asymmetry of the crossply specimens was one of the reasons why these were tested in the SLB ... the precrack and test regions Upon examination of the fractured surfaces, it was found that the delaminated region in the center of the specimen had often moved into the ~ ply by the end of the ... and modulus of toughness Results Because of the nature of the round robin, confidentiality of the identities of the participating laboratories is preserved, except for the University of Washington,...
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Báo cáo khoa học: "Performance of prognostic models in critically ill cancer patients – a review" pot
Ngày tải lên :
12/08/2014, 22:22
... with the predicted mortality of that group A disadvantage of the Hosmer-Lemeshow tests is that the value of the statistic is sensitive to the choice of the cut-off points that define the groups The ... progression/recurrence, performance status and type of treatment, they were expected to perform better than the general models The aim of this review is to evaluate the performance of the general severity -of- illness ... are to the observed outcome To take this aspect of a model' s performance into account, we have to look at the calibration and accuracy of the prognostic models 'Calibration' refers to the agreement...
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Measuring and modelling the performance of a parallel ODMG compliant object database server potx
Ngày tải lên :
17/03/2014, 00:20
... product of its inputs The experiments measure the effect of varying the selectivity of the scans on the inputs to the join as follows (1) Varying the selectivity of the outer collection (v1) The ... Cardinality of the left input Cardinality of the right input Length of the predicate Type of the object Number of objects Extent of the database (e.g AtomicParts) Number of pages Size of a bucket ... varied here is the selectivities of the scans of the collections being joined, not the join selectivity itself, which is ratio of the number of tuples returned by a join to the size of the Cartesian...
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Báo cáo khoa học: "Improving the Performance of the Random Walk Model for Answering Complex Questions" pptx
Ngày tải lên :
23/03/2014, 17:20
... cases where the query is composed of two or more sentences, we compute the similarity between the document sentence (s) and each of the query-sentences (qi ) then we take the average of the scores ... although the two STs of Figure share most of the subtrees rooted in the ST node, the kernel defined above computes no match The critical aspect of the TK function is that the productions of two evaluated ... v)) The denominators in both terms are for normalization C is the set of all sentences in the collection The value of the parameter d which we call “bias”, is a trade-off between two terms in the...
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báo cáo sinh học:" Effectiveness of a training-of-trainers model in a HIV counseling and testing program in the Caribbean Region" pot
Ngày tải lên :
18/06/2014, 17:20
... course The rapid expansion of the program was made possible, at least in part, by the availability of the trainers who were trained through the TOT-based trainer pathway The recent evaluation of ... contributed to the overall management of the training program and to writing the article MRW led the analysis of the trainer data, as well as contributed to the literature review and writing the article ... DB participated in the analysis of the trainer data, as well as contributed to the literature review and writing the article RMcL conducted the analysis of the TIMS data for the external evaluation...
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Báo cáo hóa học: " Testing the potential of a virtual reality neurorehabilitation system during performance of observation, imagery and imitation of motor actions recorded by wireless functional nearinfrared spectroscopy (fNIRS)" potx
Ngày tải lên :
19/06/2014, 08:20
... display the VR environment [9] The subjects were asked to place their hands on the table with the palms facing downwards, and faced the monitor at a distance of approximately 70 cm The image on the ... movements to interact with the VR environment By adjustably mapping the movements of both the paretic and healthy limb onto the virtual limbs, the system offers individual training of upper limb motor ... right-handedness of our sample Neurorehabilitative potential of combined VR NIRS applications Taken together the findings of the uni- and bilateral groups, the results show that our VR system can activate the...
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Báo cáo hóa học: " Research Article A Simulation Study: The Impact of Random and Realistic Mobility Models on the Performance of Bypass-AODV in Ad Hoc Wireless Networks" pdf
Ngày tải lên :
21/06/2014, 11:20
... shows the values of all parameters used in the simulation The following metrics are computed to evaluate the impact of each mobility model on the performance of the Bypass-AODV as well as the original ... nature of the RPGM model, which increases the lifetime of the routes 5.4 Impact of Vehicular Mobility Models on Bypass-AODV Vehicular mobility models, FRW and MAN, are adopted to evaluate the performance ... the other hand, the nodes moving according to RW and RDM are most likely 5.2 Impact of Random Mobility Models on Bypass-AODV The RWP, RW, and RDM models are used to evaluate the performance of...
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Models in Hardware Testing: Lecture Notes of the Forum in Honor of Christian Landrault docx
Ngày tải lên :
27/06/2014, 00:20
... techniques The authors of this book provided this comprehensive treatment of models in hardware testing in appreciation of the achievements of Christian Landrault who laid the foundations of many of the ... Cpb The detectability of the fault can be ensured depending on the Cpb value The final value of the output voltage of the affected gate increases with Cpb Therefore, a critical value of the unpredictable ... cannot be predicted Now, the voltage value of the bridged nodes depends on the random resistance of the bridge The basic concept of this new model is the evaluation of the detectable resistance...
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An empirical study of the effects of data model and query language on novice user query performance
Ngày tải lên :
28/09/2015, 13:21
... query performance Chapter describes a cognitive model of the query process, which is very relevant for separating the effect of the data model from the effect of the query language It reviews the ... particulars of the query language, e.g the keywords, and order of the operations and statements By measuring user performance of stage and stage 2, we can determine the impact of the data model and the ... the effect of the data model from the effect of the query language The second and the third sections review the existing researches that compare data models and query languages for the query task...
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Exact modeling of multiple access interference, ber derivation and a method to improve the performance of UWB communication systems
Ngày tải lên :
05/10/2015, 22:04
... receiver The MAI model in chapter is used as a basis to derive the CF of the MAI in fading channels A new form of numerical approximation for the CF of a lognormal variable is used to derive the CF of ... is the delay of the k th cluster, Tl ,k is the delay of the l th path within a cluster relative to the first path, X represents the lognormal shadowing and δ (.) is the Dirac delta function The ... dependency among these variables; therefore the sum of the interferences from all the frames should be modeled directly from the basic principles without the i.i.d assumption at the beginning In...
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Experimental study on the performance of a prism-shaped integrated collector-storage solar water heater
Ngày tải lên :
05/09/2013, 15:28
... from the solar radiation, the tank wall heats a thin vertical layer of water along the tank wall Part of this heat is then transferred by diffusion towards the core of the tank The water of the ... numerical models The relatively larger difference in the morning hours is caused by the storage effect in water Such comparison verifies the model used by [1] to predict the performance of the prism-shaped ... August and the theoretical results of [1] in June Figure 10 The time variation of solar radiation and stored energy of the present experimental study in August and the theoretical results of [1]...
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Indoor tests to investigate the effect of brine depth on the performance of solar still
Ngày tải lên :
05/09/2013, 16:10
... depth) The objective of this work is to investigate the effect of brine depth on the productivity and efficiency of solar still under laboratory conditions Table shows a summary of some of the studies ... that of greater thickness, but the productivity diminishes rapidly after turning the heaters off On the other hand, the still with the higher brine depth has a larger production during the period ... as nocturnal production in the outdoor tests) These values are the initial value of the production line in the figures This may be due to the large thermal capacity of water, which is directly...
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Optimization of design and operating parameters on the year round performance of a multi-stage evacuated solar desalination system using transient mathematical analysis
Ngày tải lên :
05/09/2013, 16:11
... conclusions of their work are that the multi-stage desalination of seawater is reliable, and the undesirable flow of steam that bypasses the condenser is quite harmful to the overall performance of the ... of the system Mathematical modeling 3.1 Solar flat plate collector The heat losses from the solar flat plate collector to the surrounding are important in the study of collector performance The ... considering the effect of various design and operating parameters on the performance and thermal characteristics of the system Description of the multi-stage evacuated solar desalination system The Multi-stage...
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Tài liệu The Design and Performance of a Real-time CORBA Event Service doc
Ngày tải lên :
19/02/2014, 18:20
... Module in the context of the Event Channel The particiessence, this implements the semantics of the standard COS Event Channel push model Subscription and Filtering configuration – Removing the Correlation ... coupling often yields highly efficient custom impleEvent Channel: At the heart of the COS Event Service is mentations As the example below shows, however, the inflexthe Event Channel, which plays the ... source of continconsumer to the real suppliers on one side of the channel and ual change, both across platforms and over time The specific as a proxy supplier to the real consumers on the other...
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Tài liệu Báo cáo khoa học: "Enhanced word decomposition by calibrating the decision threshold of probabilistic models and using a model ensemble" pdf
Ngày tải lên :
20/02/2014, 04:20
... unsupervised algorithms The purpose of this paper is an analysis of the underlying probabilistic models and the types of errors committed by each one Furthermore, it is investigated how the decision threshold ... values the isometrics are moving further to the top-right corner of the plot For a threshold of h = 0.50 (marked by ‘3’) P ROMODES -H has a better performance than P ROMODES Nevertheless, across the ... and therefore influences the performance of P RO MODES For this reason, we have extended the model which led to P ROMODES -H, a higher-order probabilistic model 2.2 Experiments and Results In the...
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Tài liệu Báo cáo khoa học: "The impact of language models and loss functions on repair disfluency detection" pptx
Ngày tải lên :
20/02/2014, 04:20
... is the log of the “figure of merit” used to guide search in the noisy channel model when it is producing the 25-best list for the reranker The log figure of merit is the sum of the log language model ... paper we first identify the 25 most likely analyses of each sentence using the TAG channel model together with a bigram language model Further details of the noisy channel model can be found in ... here so the reranker has direct access to all of the features used by the noisy channel model NCTransOdd: We include as a feature parts of the noisy channel model itself, i.e the channel model...
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Tài liệu Báo cáo khoa học: "An Information-Theory-Based Feature Type Analysis for the Modelling of Statistical Parsing" docx
Ngày tải lên :
20/02/2014, 18:20
... 1.6808 0.6612 Y= the first right brother of the current node 0.4730 1.1525 0.7502 Y= the first left brother of the current node 0.5832 2.1511 1.2186 Y= the second right brother of the current node ... 0.5044 0.2525 Y= the second left brother of the current node 0.0949 0.6171 0.2697 Y= the first right brother of the parent 0.1068 0.3717 0.2133 Y= the first left brother of the parent 0.2505 ... (Y= the parent) (Y= the first left brother) (Y= the first left brother of the parent) 0.4730 (Y= the first right brother) SD=2 0.6483 0.0949 0.1068 (Y= the grandpa) (Y= the second left brother)...
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INTRODUCTION TO THE MODELLING OF MARINE ECOS YS TEMS pptx
Ngày tải lên :
06/03/2014, 18:21
... individual-based models, population models, biomass models and combinations thereof The question of whether there is an unifying theoretical concept which connects the different classes of models was ... m) The change of the locations of the individuals in the phase space is governed by the dynamics of the flow field and the individual motion, as well as the growth of 10 CHAPTER INTRODUCTION the ... through the model food web One of the fundamental laws which the biogeochemical models have to obey is the conservation of mass The total mass, M, may be expressed by the mass of one of the chemical...
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ẢNH HƯỞNG CỦA ĐỘ KIỀM LÊN QUÁ TRÌNH TĂNG TRƯỞNG CỦA TÔM THẺ CHÂN TRẮNG (Penaeus vannamei) ĐƯỢC NUÔI Ở ĐỘ MẶN THẤP (4‰) EFFECT OF ALKALINITY ON GROWTH PERFORMANCE OF WHITE LEG SHRIMP (Peneaus vannamei) CULTURED IN LOW SALINITY AREA (4‰)
Ngày tải lên :
07/03/2014, 01:33
... Growth And Survival Of The White Leg Shrimp (Litopenaeus Vannamei) Reared Intensively In The Brackish Water Of The Israeli Negev Desert The Bengis Centre for Desert Aquaculture, The Jacob Blaustein ... and the Pacific Food and Agriculture Organization of the United Nations, Regional Office for Asia and the Pacific RAP Publication 2004/10, pp 1-12 Christopher Edward Mace, 2008 Evaluation Of Ground ... And Diseases Of Cultured Penaeus vannamei The World Aquaculture Siciety The Oceanic Institute Briggs, M., S Funge-Smith, R Subasinghe and Phillips, M 2004 Introduction and movement of Penaeus vannamei...
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