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459 articles for “Strain”
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Research ArticleOpen accessEvery word in the titleStress-Strain Analysis of Abdominal Aortic Wall: A Case of 3D Geometry SimulationP. Khamdaengyodtai, P. Sakulchangsatjatai, P. TerdtoonProblem statement: This study analyzed stress-strain of abdominal aortic wall in 3D geometry simulation. Abdominal aorta is a portion of the aorta vessel in the abdomen which many cardiovascular diseases often occur. Approach: Abdominal aortic wall was considered as 1 layers-3 dimensional cylindrical geometry and homogeneous, incompressible and anisotropic material. Deformation of aortic wall was elastic deformation. Numerical method was … …Energy Research Journal, Vol. 1, Issue 2 · 31 Oct 2010 · 7,406 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleHydraulic Characteristics and Pore Water Flow Rule in Constant Rate of Strain ConsolidationA. Ahmadi, A. H. Hoorfar, H. Rahimi, A. SoroushProblem statement: At present study Constant Rate of Strain (CRS) consolidation under Non-Darcy condition was investigated. Approach: In this study a governing conditions on pore water flow were investigated using proposed equation and experimental tests. CRS experiments under different rates of strain were conducted on different soil samples. Results: Results of these experiments and there comparison with proposed equation showed … …American Journal of Applied Sciences, Vol. 6, Issue 7 · 31 Jul 2009 · 7,206 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleModeling of Stress- Strain Curves of Drained Triaxial Test on SandAwad Al- Karni, Abdulhafiz AlshenawyThis paper presents a hyperbolic mathematical model to predict the complete stress-strain curve of drained triaxial tests on uniform dense sand. The model was formed in one equation with many parameters. The main parameters that are needed to run the model are the confining pressure, angle of friction and the relative density. The other parameters, initial and final slopes of … …American Journal of Applied Sciences, Vol. 3, Issue 11 · 30 Nov 2006 · 6,838 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleDFM of Strained-Engineered MOSFETs Using Technology CADT. K. Maiti, C. K. MaitiProblem statement: In this study, a systematic study based on Technology CAD (TCAD) was taken up for the design and Virtual Wafer Fabrication (VWF) of strain-engineered MOSFETs in Si CMOS technology. Approach: A simple manufacturable process recipe was developed to induce uniaxial stress in channel region to obtain enhanced performance in CMOS in 45 nm technology node. Results: Using Synopsys … …American Journal of Engineering and Applied Sciences, Vol. 3, Issue 4 · 5 Nov 2010 · 7,661 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleIn Vitro Antagonist Action of Trichoderma Strains Against Sclerotinia sclerotiorum and Sclerotium cepivorumFrancisco Daniel Hernandez Castillo, Angelica Maria Berlanga Padilla, Gabriel Gallegos Morales et al.Problem statement: Sclerotinia sclerotiorum and Sclerotium cepivorum are soil pathogens which have generated resistance to synthetic fungicides. One biological alternative to this problem is to select novel strains of Trichoderma with different mechanisms of action against these plant pathogens to ensure efficient control. Approach: In the present research was determined the antagonism effect of Mexicans Trichoderma strains on S. sclerotiorum … …American Journal of Agricultural and Biological Sciences, Vol. 6, Issue 3 · 16 Aug 2011 · 9,823 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleAntagonist capacity of Newly Isolated Strains of Pseudomonas Fluorescens against Three Important Phytopathogenic BacteriaReynaldo De La Cruz-Quiroz, Catalina Chavez, Marcela Hernandez et al.Problem Statement: Phytopatogenic bacteria cause several damages to plants with important economical consequences. They provoke losses of product quality affecting all commercial chain of crops, for this reason, their control is a priority. Approach: We evaluated antagonist capacity of newly isolated Pseudonomas fluorescens strains against three important phytopatogenic bacteria (Clavibacter michiganensis, Xanthomonas axonopodis and Erwinia carotovora). Soils from commercial cropping … …American Journal of Agricultural and Biological Sciences, Vol. 6, Issue 2 · 24 Jun 2011 · 8,004 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleThe Effect of the Bone-Plate Whole Spacing on the Interfragmentary StrainBoonthum WongchaiProblem statement: The bone plate is commonly used when human bone fracture occurs. The Inter Fragmentary (IFS) is an important factor for curing human bone fracture and designing the bone plate. The best IFS range from 2-10%.The whole spacing is a factor affecting the IFS that should be taken into account. Approach: This research propose a study on the effect … …Journal of Computer Science, Vol. 8, Issue 1 · 3 Nov 2011 · 6,877 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleMolecular Evidence for the Association of a Strain of Uganda Variant of East African Cassava Mosaic Virus to Symptom Severity in Cassava (Manihot esculenta Crantz) Fields in TogoK. D. Adjata, E. Muller, M. Peterschmitt et al.Problem statement: This study was carried out to demonstrate that the severity of Cassava Mosaic Disease (CMD) in Togo, is not only influenced by synergism between cassava Begomoviruses in presence, but essentially by recombination between the different Begomoviruses infecting cassava. Approach: Foliar samples presenting typical biological features of Begomoviruses infection were collected from cassava and wild infected plants from different … …American Journal of Biochemistry and Biotechnology, Vol. 5, Issue 4 · 31 Dec 2009 · 7,416 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleCyclodextrin Glucanotransferase Activity of Microbial Strains Isolated from Yam-Cultivation Soils in Northwestern BeninCyrille Alode Vodounon, Ténor Dias-Mendel Allode et al.β-Cyclodextrin, an industrially important oligosaccharide, is produced by microbial enzymes such as cyclodextrin glucanotransferase (CGTase). This study investigated ways to optimize the enzymatic activity of CGTase from Bacillus cereus, Bacillus pumilus, Bacillus brevis, and Bacillus subtilis strains isolated from soils in north-western Benin. Cyclization activity of CGTase and the influence of pH, temperature, and metal ions were assessed using conventional … …American Journal of Biochemistry and Biotechnology, Vol. 22, Issue 3 · 21 Sep 2026 · 652 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleOptimization of the Fermentation Medium of Streptomyces ahygroscopicus ΔnysB, a Tetramycin Producing Strain, by the Response Surface MethodXiao Wang, Yao Dong, Xin Chen et al.Streptomyces ahygroscopicus ΔnysB is a genetically engineered strain that produces tetramycin by blocking the competition nystatin pathway. Response Surface Methodology (RSM) was used to optimize its fermentation medium composition. Taking the yield of tetramycin as the response value, the effects of corn starch, glucose, fish peptone, (NH4)2SO4, KH2PO4, and CH3COONa on the yield of tetramycin were investigated by the Plackett-Burman … …American Journal of Biochemistry and Biotechnology, Vol. 20, Issue 1 · 9 Apr 2024 · 5,319 accessesView PDFCite