bao cao fault tolerance

... the H9 line isolated by Thomson and colleagues [7] was demonstrated to possess relatively high tolerance to prolonged durations of low temperature exposure Even after 24 and 48 h exposure to ... proliferation and cytotoxicity assays J Immunol Methods 1983; 65: 55-63 Heng BC, Liu H, Rufaihah AJ, Cao T Human embryonic stem cell (HESC) colonies display a higher degree of spontaneous differentiation...

Ngày tải lên: 31/10/2012, 16:57

... salt and drought stress tolerances in Arabidopsis as negative regulators [22,23] As a DEVH box RNA helicase, AtHELPS might also function as a regulator in plant stress tolerance 2302 K+ is a crucial ... (where x can be any amino acid) in motif II (Fig 1A) To determine the function of AtHELPS in stress tolerance, both mutant and overexpression lines were generated One knockdown allele, designated ... AtHELPS might be involved in K+ stress responses in Arabidopsis The helps mutants exhibit enhanced tolerance to K+ deprivation stress To understand the biological function of AtHELPS, we performed...

Ngày tải lên: 14/02/2014, 18:20

... ABA and tolerance to salt and dehydration stress was observed (Figs 7–9); this was also valid for other transgenic lines tested for which the data have not been presented Fig Salt stress tolerance ... Journal compilation ª 2006 FEBS 5251 Role of topoisomerase genes in stress tolerance M Jain et al (Fig 10) The stress tolerance of the overexpressing plants may be enhanced, at least in part, ... present in 35S::TOP6A3 and 35S::TOP6B transgenic plants, to confer stress tolerance Although the exact mechanism of stress tolerance mediated by OsTOP6A3 and OsTOP6B is not understood, several possible...

Ngày tải lên: 30/03/2014, 10:20

... of the immune system, termed immune escape, may occur through several mechanisms, including (i) tolerance or anergy induction; (ii) the genetic instability of tumors; (iii) modulation of tumor ... APC and a Th-1-type immune response, semi-allogeneic vaccines also inhibit tumor-induced immune tolerance and anergy Methods Cells and semi-allogeneic hybrids RAG cells are a non-reverting, 8-azaguanine-resistant ... T-cell and B-cell activation (SA Biosciences, cat # PAMM-053), and for T-cell anergy and immune tolerance (SA Biosciences, cat # PAMM-074) These analyses combine the multi-gene profiling capabilities...

Ngày tải lên: 18/06/2014, 15:20

... intraperitoneal injection) mice following 45 MCAO Heatmap representing level of gene expression immediately prior to (0 hr) MCAO and and 24 hr post MCAO; n = 4/treatment/timepoint Lt Select anti-inflammatory/type ... the specific surgeon who performed the MCAO to yield comparable infarct sizes in the saline treated control animals (~35-40%) The selected duration of MCAO was held constant within experiments ... intraperitoneal, data not shown) Middle Cerebral Artery Occlusion (MCAO) Mice were anesthetized with isoflurane (1.5-2%) and subjected to MCAO using the monofilament suture method described previously...

Ngày tải lên: 19/06/2014, 22:20

... other lesion models in which tolerance can be induced by exposure to a less intense stimulus have revealed two windows in which tolerance develops The first is a rapid tolerance which is observed ... protection, delayed tolerance, develops over hours and days, and usually involves de novo protein synthesis Most inducers of tolerance can produce both rapid and delayed tolerance The protection ... described a model of “crosstolerance” in which heat-shock pretreatment protects against the 5-HT neurotoxicity induced by MDMA [13] and more recently low dose MDMA-induced tolerance has been described...

Ngày tải lên: 19/06/2014, 22:20

... induce ischemic tolerance Less well studied is what mediates such beneficial tolerance in preconditioning process i.e the necessary intermediate links for completion of preconditioning tolerance If ... ischemia tolerance in MCPIP1 KO mice Wild type and MCPIP1 knockout mice were pretreated with LPS (0.2mg/kg) 24 hours before MCAO (A) Infarct images obtained by TTC staining at 48h after MCAO The ... examined MCPIP1 gene expression in mouse brain undergoing MCAO We studied whether there is loss of LPS preconditioning-induced ischemic stroke tolerance in MCPIP1 knockout mice and whether such effects...

Ngày tải lên: 19/06/2014, 22:20

... diagnosis faults for TEP Fault pattern space is first divided to subspaces using fuzzy clustering algorithm For each subspace representing a fault pattern, a special NN is trained for fault diagnosis ... deterministic faults using five PCs (20 simulations for each fault type) Table Weight li of PCi for deterministic fault diagnosis PCi li PCi used: PC1 60.91% PC2 15.63% PC1 PC2 PC3 PC4 PC5 Fault type ... classify stochastic fault types The training data set consists of 10 simulation runs for each fault type and fault is introduced h after simulation started The testing data set simulates faulty states...

Ngày tải lên: 20/06/2014, 22:20

... Algorithm-based fault tolerance applied to high performance computing J Parallel Distrib Comput 69(4), 410–416 (2009) doi:10.1016/j.jpdc.2008.12.002 T Roche, M Cunche, JL Roch, Algorithm-based fault tolerance ... JA Abraham, Fault- tolerant FFT networks IEEE Trans Comput 37, 548–561 (1988) doi:10.1109/12.4606 P Banerjee, JT Rahmeh, CB Stunkel, VSS Nair, K Roy, JA Abraham, Algorithmbased fault tolerance on ... Algorithm-based fault tolerance for floating-point operations in massively parallel systems Proc Int Symp on Circuits & Systems 649–652 (1992) VSS Nair, JA Abraham, Real number codes for fault- tolerant...

Ngày tải lên: 20/06/2014, 22:20

... Normal (e-006) Fault (e-004) Data Normal Normal Fault Fault Fault Fault Fault Fault Variance 3.0529 4.7796 1.3400 1.2244 1.0634 1.0831 2.6596 2.5383 Mean of variance 3.91625 1.651467 fault detection ... signal with wear fault between swash plate and slipper of hydraulic pump were used for fault detection Figure 13 shows the residual error of wear fault between swash plate and slipper Fault detection ... from the experiments that different types of faults might represent the same fault form, accordingly, the proposed method is not suitable for performing fault location but for conducting condition...

Ngày tải lên: 21/06/2014, 00:20

... randomized trial on 100 times Application in Gearbox Fault Feature Detection To study the effectiveness of the presented methods for the gearbox fault feature detection, our experiment is concerned ... wavelet and its application for mechanical fault diagnosis,” Journal of Sound and Vibration, vol 234, no 1, pp 135–148, 2000 [17] J Lin and M J Zuo, “Gearbox fault diagnosis using adaptive wavelet ... Section applies the method in gearbox transient feature detection by parameter identification for fault diagnosis Finally, conclusions are drawn in Section are firstly identified to detect the impulse...

Ngày tải lên: 21/06/2014, 08:20

Ngày tải lên: 21/06/2014, 11:20

... crack fault and with broken teeth fault First of all, define that y = +1 represents the normal condition and y = −1 represents the faults condition, that is, identify the gear whether it has fault ... gear whether it has crack fault or not by SVM2, here y = +1 represents crack fault and y = −1 represents other faults Finally, identify the gear whether it has broken teeth fault or not, here y = ... based on IMF AR model and SVM Conditions of the signals Normal Normal Normal Crack fault Crack fault Crack fault IMF c1 c2 c3 c1 c2 c3 c1 c2 c3 c1 c2 c3 c1 c2 c3 c1 c2 c3 ϕi1 0.4488 −0.7683 −2.1518...

Ngày tải lên: 21/06/2014, 22:20

... innerrace faults The TWPS effectively extracts the BCF, 105.5 Hz for outer-race fault and 164.1 Hz for inner-race fault and its harmonics, with side bands at rotational speed for inner-race fault ... calculated BCF for an outer-race fault is 107.36 Hz, and for an inner-race fault is 162.18 Hz with shaft speed of 1797 rev/min Figures and show the simulated time domain fault impulses and the overall ... bearing fault feature because of the large similarity with the impulse generated by the faulty bearing [17–20] The impulse response wavelet is constructed and applied to extract the feature of fault...

Ngày tải lên: 22/06/2014, 19:20

... developed for fault tolerance targeting on two objectives One direction is towards enhancing the chip yield during production phase [9] while the other direction focuses on fault tolerance during ... of fault detection and recovery is presented On FPGA architectures much work has been proposed to compensate faults due to the possibility of hardware reconfiguration An extensive overview of fault ... fault tolerance technique for field- programmable logic arrays, Ph.D thesis, Siegen University, Siegen, Germany, November 2002 [11] A Doumar and H Ito, “Detecting, diagnosing, and tolerating faults...

Ngày tải lên: 22/06/2014, 22:20

... includes two tasks: evaluating the degree of fault- tolerance and evaluating the accuracy of the estimated positions of targets The degree of fault- tolerance has been considered in our prior work ... the targets A sensor’s reading is faulty if it reports inconsistent and arbitrary values to the neighboring sensors [5] Sensors with faulty readings are called faulty sensors In this paper, we ... algorithms even though their readings are faulty In other words, we assume there is no fault in processing and transmitting/receiving neighboring measurements FAULT- TOLERANT TARGET DETECTION AND LOCALIZATION...

Ngày tải lên: 22/06/2014, 22:20

... skewed page and then to compensate for the skew In this case, it will be difficult to judge the skew tolerance of a given page segmentation algorithm because segmentation will be done when there is ... OF GROUND TRUTHING STRATEGIES Because our interest in this paper is the GT generation for skew -tolerance evaluation, we will not consider methods aiming at pure text images, where the task is ... types (binary, grayscale, and color) and various document layouts (rectangular and arbitrary), and tolerance to skew It is also widely used in image compression The block-based GT can be defined as...

Ngày tải lên: 22/06/2014, 22:20

... classification error was in the failure to recognize a fault, termed as fault- not-recognized (FNR) which may suggest the overlap of the features of faulty bearings to that of normal bearings The performance ... of bearing fault has been considered in the present study to see the effectiveness of the proposed approach for two-class recognition Diagnosis of different types and levels of bearing faults is ... exploits the large peaks present in the fault signal lowering the normal rotational components This changes the relative statistics of the signals with and without faults, leading to better classification...

Ngày tải lên: 23/06/2014, 01:20

... acids as affected by light intensity and the relation of responses to the shade -tolerance of white spruce and shade intolerance of jack pine Canadian Journal of Forest Research, 1: 131–140 Durzan ... (Grossnickle 2000) Survival is equivalent to about half the growth achieved in full light For shade tolerance, an evergreen habit, reduced shoot biomass, and a large root biomass are considered beneficial...

Ngày tải lên: 07/08/2014, 10:21

... frost tolerance, usually between 0.5 and 3.0 ◦ C [1, 17, 871 22, 47] Although the absolute value is not large (≤ ◦ C), it is enough to differentiate between genotypes with more or less frost tolerance ... 12.6 7.12 8.99 0.57 – 0.71 1.30 – 0.86 * Reference treatment 2.3 Measurements As well as frost tolerance, other parameters such as morphology, plant growth, nutrients content and root egress ... roots > cm To determine their dry weight, the roots were then oven-dried at 70 ◦ C 2.3.3 Frost tolerance This was determined through freezing tests at the end of the nursery assay, using excised...

Ngày tải lên: 07/08/2014, 16:21