COMBINED BENDING AND DIRECT STRESS
COMBINED BENDING AND DIRECT STRESS
... 292 Bending stresses and direct stresses combined then the resultant stresses, Figure 12.9(iii), are zero in the extreme lower fibres and a compressive stress of (MW2I3 in ... distance y from Cx is Bending stresses and direct stresses combined w I, for positive values of y. We assume now that the combined effect of the thrust and the bending moment is the sum ... maximum bending stresses due to the couple of 250 Nm are equal to 288 Bending stresses and direct stresses combined (250)(0*0125) = 240 mlm2 (13.02 x 10-9) Hence the maximum tensile stress...
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Báo cáo y học: "NITRIC OXIDE (NO), CITRULLINE – NO CYCLE ENZYMES, GLUTAMINE SYNTHETASE AND OXIDATIVE STRESS IN ANOXIA (HYPOBARIC HYPOXIA) AND REPERFUSION IN RAT BRAIN"
... SYNTHETASE AND OXIDATIVE STRESS IN ANOXIA (HYPOBARIC HYPOXIA) AND REPERFUSION IN RAT BRAIN M. Swamy, Mohd Jamsani Mat Salleh, K. N .S. Sirajudeen, Wan Roslina Wan Yusof and G. Chandran ... TBARS and decreased concentration of TAS supports the oxida-tive stress in anoxia and reperfusion and suggests a possible role for anti oxidants in preventing neuro-degeneration in anoxia and ... acid transporter-2, and NOS in activated murine microglial cells (19) and co-induction of inducible NOS and arginine recycling enzymes in cytokine-stimulated PC12 cells and high output production...
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Exergoeconomic performance optimization of an endoreversible intercooled regenerative Brayton combined heat and power plant coupled to variable-temperature heat reservoirs
... minHC and maxHC are the smaller and the larger of the two capacitance rates HC and wfC, minLC and maxLC are the smaller and the larger of the two capacitance rates LC and wfC, ... for combined production of power, heat and refrigeration and investigated the effects of overall pressure ratio, turbine inlet temperature, and pressure drop on the exergy destruction. Reddy and ... reliabilityengineering, and technology support for propulsion plants. He has been the Director of the Department ofNuclear Energy Science and Engineering, the Director of the Department of Power Engineering and...
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Tài liệu Phytohormones and Abiotic Stress Tolerance in Plants ppt
... (plantspecies and stress) .4.4.2 EthyleneEthylene is involved not only in plant growth and senescence but also in plantresponse to abiotic stress such as salinity, iron deficiency, ozone, and UV-B(Romera ... accumulation and NO production in guard cells, and inactivates Kin+channels, causing stomatal closure (Khokon et al. 2011).4.5 Nitric Oxide and Abiotic StressesSuch it has been mentioned, under stress ... (ARFs), and the early response genes, auxin/indole-3-acetic acid(Aux/IAA), GH3, small auxin-up RNAs (SAURs), and LBD (Abel et al. 1994;Abel and Theologis 1996; Guilfoyle and Hagen 2007; Hagen and...
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Báo cáo khoa học: Transcript profiling reveals diverse roles of auxin-responsive genes during reproductive development and abiotic stress in rice pdf
... processes and stress responses was detected[27,61,62]. Consistently, many auxin-responsive geneswere related to both reproductive development and abiotic stress responses. Twenty (17 upregulated and three ... stages of panicle development and abi-otic stress conditions, and 16 (all upregulated) geneswere commonly regulated during various stages of seeddevelopment and abiotic stress conditions (Fig. S4;Table ... Genome-wide analysis,classification, temporal and spatial gene expressionduring panicle and seed development, and regulation bylight and abiotic stress. Plant Physiol 143, 1467–1483.28 Itoh...
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Báo cáo khoa học: Calcium, mitochondria and oxidative stress in neuronal pathology Novel aspects of an enduring theme pdf
... mechanisms and implications inhuman pathology. IUBMB Life 52, 159–164.30 Barja G (1999) Mitochondrial oxygen radical genera-tion and leak: sites of production in states 4 and 3,organ specificity, and ... electrontransport chain and non-electron transport chainsources. Antioxid Redox Signal 7, 1140–1149.21 Anderson MF & Sims NR (2002) The effects of focalischemia and reperfusion on the glutathione ... Adamson J, Hutton M, Standaert DG, VonsattelJP, Gibson GE & Beal MF (2000) Frontal lobe dys-function in progressive supranuclear palsy: evidence foroxidative stress and mitochondrial impairment.J...
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Báo cáo khoa học: Cotton GhMPK2 is involved in multiple signaling pathways and mediates defense responses to pathogen infection and oxidative stress doc
... hormonesignaling, biotic and abiotic stress responses, and development [15,16], whereas high concentrations ofROS can result in oxidative stress and cause irrevers-ible damage and hypersensitive ... increased tolerance against abi-otic stress in transgenic tobacco and yeast. J Exp Bot60, 339–349.17 Mittler R (2002) Oxidative stress, antioxidants and stress tolerance. Trends Plant Sci 7, ... wild-type and transgenicplants in response to abiotic and abiotic stresses. (A) Virus infec-tion-induced H2O2accumulation detected by DAB staining. (B) Abi-otic stress- induced H2O2 and OÀ2accumulation...
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Báo cáo khoa học: The crystal structure of annexin Gh1 from Gossypium hirsutum reveals an unusual S3 cluster Implications for cellulose synthase complex formation and oxidative stress response potx
... formation and oxidative stress responseAndreas Hofmann1, Deborah P. Delmer2 and Alexander Wlodawer31Institute of Cell & Molecular Biology, The University of Edinburgh, Edinburgh, Scotland;2The ... reduced forms and amethionine residue. The cluster is likely to be involved inredox reactions and might constitute the m olecular basisof oxidative stress response by annexins.Materials and methodsPurification ... III and IV is aU-shaped, positively charged patch. The patch is formedby five l ysine and three arginine residues ( Lys223, L ys226,Arg238, Lys242, Lys249, Lys253, Arg256, and Arg291) and, in...
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Báo cáo khoa học: The molecular chaperone a-crystallin incorporated into red cell ghosts protects membrane Na/K-ATPase against glycation and oxidative stress ppt
... kDa) binds ATP and sodium and potassium ions, and contains the phosphorylation site. Thesmaller beta subunit ( 35 kDa glycoprotein) is necessaryfor activity of the complex and the gamma subunit( ... measuredwhichwasthesameatt ¼ 0 and 2 h. This indicates that the14C sucrose was trapped by loading and resealing and didnot leak out of the ghost cells. The ghost cells wereincubated with and without modifiers ... were prepared as describedin the methods section and incubated at 37 °C, 10 lLsamplestakenat t ¼ 0andt ¼ 6 h and assayed. Error bars represent standarddeviation.Ó FEBS 2003 a-Crystallin protects...
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Báo cáo khoa học: Rice cytosine DNA methyltransferases – gene expression profiling during reproductive development and abiotic stress pptx
... of OsCMT2 in seedlings sub-jected to cold and salt stress and the downregulationof OsCMT3 expression under salt and drought stress is interesting and provides the foundation for furtherin ... actively dividing tissues of roots and during the formation of inflorescence and floralmeristems and the initiation of floral organs (P1-I and P1-II in rice and F1 and F2 in Arabidopsis). AtCMT3is ... cold and salt stress. Themolecular studies presented here suggest a greater role for these proteins and the epigenetic process in affecting genome activity during reproductivedevelopment and stress...
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