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...
Ngày tải lên: 08/04/2014, 11:27
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...
Ngày tải lên: 26/10/2012, 09:07
Exergoeconomic performance optimization of an endoreversible intercooled regenerative Brayton combined heat and power plant coupled to variable-temperature heat reservoirs
... minH C and maxH C are the smaller and the larger of the two capacitance rates H C and wf C , minL C and maxL C are the smaller and the larger of the two capacitance rates L C and wf C , ... for combined production of power, heat and refrigeration and investigated the effects of overall pressure ratio, turbine inlet temperature, and pressure drop on the exer...
Ngày tải lên: 05/09/2013, 14:59
Tài liệu Phytohormones and Abiotic Stress Tolerance in Plants ppt
... (plant species and stress) . 4.4.2 Ethylene Ethylene is involved not only in plant growth and senescence but also in plant response to abiotic stress such as salinity, iron deficiency, ozone, and UV-B (Romera ... accumulation and NO production in guard cells, and inactivates K in + channels, causing stomatal closure (Khokon et al. 2011). 4.5 Nitric Oxide and Abiotic Stresses Suc...
Ngày tải lên: 14/02/2014, 12:20
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 genes were 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) genes were commonly regulated during various stages of seed development and ab...
Ngày tải lên: 07/03/2014, 01:20
Báo cáo khoa học: Calcium, mitochondria and oxidative stress in neuronal pathology Novel aspects of an enduring theme pdf
... mechanisms and implications in human 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 ... electron transport chain and non-electron transport chain sources. Antioxid Redox Signal 7, 1140–1149. 21 Anderson MF & Sims NR (2002) The effects of focal ischemia and rep...
Ngày tải lên: 07/03/2014, 12:20
Báo cáo khoa học: Cotton GhMPK2 is involved in multiple signaling pathways and mediates defense responses to pathogen infection and oxidative stress doc
... hormone signaling, biotic and abiotic stress responses, and development [15,16], whereas high concentrations of ROS 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 Bot 60 , 339–349. 17 Mittler R (2002) Oxidative stress, antioxidants and stress toleranc...
Ngày tải lên: 14/03/2014, 23:20
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 response Andreas Hofmann 1 , Deborah P. Delmer 2 and Alexander Wlodawer 3 1 Institute of Cell & Molecular Biology, The University of Edinburgh, Edinburgh, Scotland; 2 The ... reduced forms and a methionine residue. The cluster is likely to be involved in redox reactions and might constitute the m olecular basis of oxidative stress response by ann...
Ngày tải lên: 17/03/2014, 03:20
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. The smaller beta subunit ( 35 kDa glycoprotein) is necessary for activity of the complex and the gamma subunit ( ... measured whichwasthesameatt ¼ 0 and 2 h. This indicates that the 14 C sucrose was trapped by loading and resealing and did not leak out of the ghost cells. The ghost cells were...
Ngày tải lên: 17/03/2014, 03:20
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 downregulation of OsCMT3 expression under salt and drought stress is interesting and provides the foundation for further in ... actively dividing tissues of roots and during the formation of inflorescence and floral meristems and the initiation of floral organs (P1-I and P1-II in rice and F1 and F2 in Arab...
Ngày tải lên: 23/03/2014, 04:20