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排序方式: 共有353条查询结果,搜索用时 15 毫秒
71.
Luigi Dilillo Patrick Girard Serge Pravossoudovitch Arnaud Virazel Magali Bastian 《Journal of Electronic Testing》2007,23(5):435-444
In this paper, we present an exhaustive study on the influence of resistive-open defects in pre-charge circuits of SRAM memories.
In SRAM memories, the pre-charge circuits operate the pre-charge and equalization at a certain voltage level, in general Vdd,
of all the couples of bit lines of the memory array. This action is essential in order to ensure correct read operations.
We have analyzed the impact of resistive-opens placed in different locations of these circuits. Each defect studied in this
paper disturbs the pre-charge circuit in a different way and for different resistive ranges, but the produced effect on the
normal memory action is always the perturbation of the read operations. This faulty behavior can be modeled by Un-Restored
Write Faults (URWFs) and Un-Restored Read Faults (URRFs), because there is an incorrect pre-charge/equalization of the bit
lines after a write or read operation that disturbs the following read operation. In the last part of the paper, we demonstrate
that the test of URWFs is more effective in terms of resistive defect detection than that of URRFs and we list the necessary
test conditions to detect them.
相似文献
Magali BastianEmail: URL: http://www.infineon.com |
72.
Eight nonhaemophilic patients with factor VIII (FVIII) inhibitors were reported. There was no difference in sex distribution. Median age at diagnosis was 62 years (ranging from 14 to 73 years). No associated disorders were revealed and all the patients were presented with severe muscular or arthral bleeding. Inhibitor titre was measured by the Bethesda method, which were 6.4, 126.0, 155.0, 4.8, 56.0, 13.5, 35.0 and 150.0 BU mL-1, respectively, at diagnosis. FVIII:C levels were less than 1 U dL-1 in seven patients and less than 2 U dL-1 in one patient. The median vWF:Ag level was 210% (ranging from 80% to 340%). All the patients had good response to activated prothrombin complex concentrates for acute bleeding episodes and prednisone for inhibitor elimination. Inhibitors completely eliminated in seven patients within a follow-up duration over 1 year, and one patient died of intracranial haemorrhage when her inhibitor titre decreased to 4.5 BU mL-1 and FVIII:C increased to 21 U dL-1. 相似文献
73.
Frederik Kotz Norbert Schneider Andreas Striegel Andre Wolfschläger Nico Keller Matthias Worgull Werner Bauer Dieter Schild Marcel Milich Christian Greiner Dorothea Helmer Bastian E. Rapp 《Advanced materials (Deerfield Beach, Fla.)》2018,30(22)
Fused silica glass is one of the most important high‐performance materials for scientific research, industry, and society. However due to its high chemical and thermal resistance as well as high hardness, fused silica glass is notoriously difficult to structure. This work introduces Glassomer, a solid nanocomposite, which can be structured using polymer molding and subtractive technologies at submicrometer resolution. After polymer processing Glassomer is turned into optical grade fused silica glass during a final heat treatment. The resulting glass has the same optical transparency as commercial fused silica and a smooth surface with a roughness of a few nanometers. This work makes high‐performance fused silica glass components accessible to high‐throughput fabrication technologies and will enable numerous optical, photonic and medical applications in science and industry. 相似文献
74.
BF Ayres PD Bastian D Haines A Thompson JF Sangster AE Seymour AR Clarkson 《Canadian Metallurgical Quarterly》1976,2(13):489-494
The case is presented of a young man who, after prolonged intravenous narcotic administration, developed subacute bacterial endocarditis involving the aortic valve, and rapidly progressive glomerulonephritis. After treatment of and recovery from renal failure, persistent proteinuria was shown to be caused by focal glomerulosclerosis. The association of these lesions with "mainlining" is reviewed. 相似文献
75.
Bastian Goldlücke Mathieu Aubry Kalin Kolev Daniel Cremers 《International Journal of Computer Vision》2014,106(2):172-191
We present a variational framework to estimate super-resolved texture maps on a 3D geometry model of a surface from multiple images. Given the calibrated images and the reconstructed geometry, the proposed functional is convex in the super-resolution texture. Using a conformal atlas of the surface, we transform the model from the curved geometry to the flat charts and solve it using state-of-the-art and provably convergent primal–dual algorithms. In order to improve image alignment and quality of the texture, we extend the functional to also optimize for a normal displacement map on the surface as well as the camera calibration parameters. Since the sub-problems for displacement and camera parameters are non-convex, we revert to relaxation schemes in order to robustly estimate a minimizer via sequential convex programming. Experimental results confirm that the proposed super-resolution framework allows to recover textured models with significantly higher level-of-detail than the individual input images. 相似文献
76.
Rainer Kümmerle Bastian Steder Christian Dornhege Alexander Kleiner Giorgio Grisetti Wolfram Burgard 《Autonomous Robots》2011,30(1):25-39
The problem of learning a map with a mobile robot has been intensively studied in the past and is usually referred to as the
simultaneous localization and mapping (SLAM) problem. However, most existing solutions to the SLAM problem learn the maps
from scratch and have no means for incorporating prior information. In this paper, we present a novel SLAM approach that achieves
global consistency by utilizing publicly accessible aerial photographs as prior information. It inserts correspondences found
between stereo and three-dimensional range data and the aerial images as constraints into a graph-based formulation of the
SLAM problem. We evaluate our algorithm based on large real-world datasets acquired even in mixed in- and outdoor environments
by comparing the global accuracy with state-of-the-art SLAM approaches and GPS. The experimental results demonstrate that
the maps acquired with our method show increased global consistency. 相似文献
77.
Mingjun Zheng Heather Mullikin Anna Hester Bastian Czogalla Helene Heidegger Theresa Vilsmaier Aurelia Vattai Anca Chelariu-Raicu Udo Jeschke Fabian Trillsch Sven Mahner Till Kaltofen 《International journal of molecular sciences》2020,21(23)
(1) Background: Biomarkers might play a significant role in predicting the clinical outcomes of patients with ovarian cancer. By analyzing lipid metabolism genes, future perspectives may be uncovered; (2) Methods: RNA-seq data for serous ovarian cancer were downloaded from The Cancer Genome Atlas and Gene Expression Omnibus databases. The non-negative matrix factorization package in programming language R was used to classify molecular subtypes of lipid metabolism genes and the limma package in R was performed for functional enrichment analysis. Through lasso regression, we constructed a multi-gene prognosis model; (3) Results: Two molecular subtypes were obtained and an 11-gene signature was constructed (PI3, RGS, ADORA3, CH25H, CCDC80, PTGER3, MATK, KLRB1, CCL19, CXCL9 and CXCL10). Our prognostic model shows a good independent prognostic ability in ovarian cancer. In a nomogram, the predictive efficiency was notably superior to that of traditional clinical features. Related to known models in ovarian cancer with a comparable amount of genes, ours has the highest concordance index; (4) Conclusions: We propose an 11-gene signature prognosis prediction model based on lipid metabolism genes in serous ovarian cancer. 相似文献
78.
Bastian Lange Anna imonov Thomas Fischder Helena Pelantov Vladimír Ken Lothar Elling 《Advanced Synthesis \u0026amp; Catalysis》2016,358(4):584-596
We report on a novel chemoenzymatic cascade for the synthesis of sulfated N‐acetyllactosamine [(3Galβ1,4GlcNAcβ1,)n, LacNAc] oligomer structures. Starting from a linker modified GlcNAc substrate di‐ and trisaccharides were first synthesized by sequential use of human β4‐galactosyltransferase‐1 (β4GalT‐1) and β3‐N‐acetylglucosaminyltransferase from Helicobacter pylori (β3GlcNAcT). Subsequent regioselective chemical sulfation rendered the C‐6 mono‐, di‐, and tri‐O‐sulfated products in good yields. Further enzymatic elongation by β4GalT‐1 and β3GlcNAcT in a sequential mode yielded 6‐O‐sulfated LacNAc oligomers up to hexasaccharide length with variable degrees of sulfation. These carbohydrate structures mimic the sulfation pattern found in keratan sulfate and are potential ligands for different classes of glycan binding proteins.
79.
Dr. Camelia Vlad Kathrin Lindner Dr. Christiaan Karreman Dr. Stefan Schildknecht Prof. Marcel Leist Nick Tomczyk Dr. John Rontree Dr. James Langridge Dr. Karin Danzer Dr. Thomas Ciossek Dr. Alina Petre Prof. Dr. Michael L. Gross Prof. Dr. Bastian Hengerer Prof. Dr. Michael Przybylski 《Chembiochem : a European journal of chemical biology》2011,12(18):2706-2706
80.
Holger Rueß Jonas Werner Yeliz Unutulmazsoy Jürgen W. Gerlach Xiang Chen Bastian Stelzer Denis Music Szilard Kolozsvari Peter Polcik Thomas E. Weirich Jochen M. Schneider 《Journal of the European Ceramic Society》2021,41(3):1841-1847
The applicability of Cr2AlC MAX-phases as protective coatings in energy conversion or aerospace applications requires a dense, single-phase structure. Therefore, we study the effect of target power density and substrate bias on phase formation, microstructure evolution, and mechanical properties of Cr2AlC coatings utilizing direct current (DCMS) and high-power pulsed magnetron sputtering (HPPMS). Generally, HPPMS results in coatings with superior density and hence larger elastic moduli compared to DCMS, indicating that ion bombardment by ionized film-forming species is beneficial. However, decreasing the substrate bias to ?200 V for DCMS and ?100 V for HPPMS favors the ion bombardment induced formation of the disordered (Cr,Al)2Cx solid solution. It is evident that there is an optimum moderate ion energy for the formation of dense Cr2AlC coatings. Too low energy results in the formation of under-dense coatings. Too high energy yields the formation of (Cr,Al)2Cx in addition to Cr2AlC. 相似文献