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| 1 | Comparison of physiological responses to oxidative and heavy metal stress in seedlings of rice paddy, Oryza sativa L.显示文摘Physiological responses on the bases of activities of antioxidant enzymes: peroxidase, catalase, superoxide dismutase and glutathione reductase as well as estimation of total protein, lipid peroxidation and thiols in the form of protein, non\|protein, glutathione and phytochelatin measured in growing seedlings of paddy, Oryza sativa L., from day 2 to 8 were compared following treatment of seeds for 5h with oxidative agents, paraquat 5 × 10 -5 , 10 -4 , 10 -3 mol/L, H 2O 2 10 -3 , 5×10 -3 , 10 -2 mol/L, and CdCl 2 10 -5 , 10 -4 , 5×10 -3 mol/L. A significant induction of all antioxidant enzymes along with an increase in the levels of protein, lipid peroxidation and glutathione was noted in response to oxidative stress, CdCl 2 induced significant peroxidase and catalase activities but not superoxide dismutase. In a marked contrast from oxidative stress, CdCl 2 decreased glutathione reductase activity as well as glutathione levels but increased phytochelatin level. The different physiological responses thus underlined the crucial involvement of glutathione and phytochelatin in the oxidative and heavy metal\|linduced adaptive responses respectively. | YU Guo\|ying, WANG Guo\|ping, HE Chi\|quan (Lab for Wetland Process and Environment, Changchun Institute of Geography, The Chinese Academy of Sciences, Changchun 130021,China E\|mail: yuguoying@mail.ccig.ac.cn) | 2000 | Journal of Environmental Sciences2000，12，4： | 5 |
| 2 | Research on Optimum Operation and Structure of Tundish显示文摘Much researches on the operation and structure of tundish were carried out at Xiangtan Iron and Steel Co Ltd to increase the yield of grade 20 carbon steel on the continuous casting production line. Through analyzing formation mechanism of pinholes and non-metallic inclusions in billets and describing pattern of the flow of molten steel in tundish by a mathematic model, it was shown that the structure and operation of tundishes play an important part in product quality. So some measures were taken as follows: (1) Optimizing the tundish construction to decrease the impact of liquid steel and lengthening the residence time of liquid steel for homogenization of liquid steel; (2) Improving the influent and effluent operation of liquid steel to avoid the contact of liquid steel with air in order to decrease reoxidation; (3) Reducing over heat during continuous casting. After above measures being taken, the yield of grade 20 carbon steel and the service life of equipment were improved remarkably. | ZHANG Quan ZHANG Ming E Jia-qiang ZHOU Ying-qi | 2002 | Journal of Iron and Steel Research(International)2002，9，1： | 4 |
| 3 | Accuracy limitations on Brillouin lidar measurements of temperature and sound speed in the ocean 显示文摘 | FRY E S EMERY Y QUAN Xiaohong | 1997 | Appl Opt1997，36，27： | 1 |
| 4 | 查看详情显示文摘 | Xie G H Zhang Z S Xue Q Zhang S M Zhao L Luo Y Chen E Quan B F Zhao Y Liu S Y | | 0，，： | 1 |
| 5 | A study in glycation of a therapeutic recombinant humanized monoclonal antibody: where it is, how it got there, and how it affeets charge-based behavior 显示文摘 | Quan C Alcala E Petkovska I | 2008 | Anal Biochem2008，373，2： | 1 |
| 6 | Isolation and particular expression of a new β-tubulin gene in wing discs during meta morphosis of Bombyxmori显示文摘 | Quan G X Kanke E Kawasaki H | 1998 | J Seric Sci Jpn1998，67，： | 1 |
| 7 | A computational approach to assessing blast damage in urban centers using autodyna显示文摘 | COWLER M S QUAN X Y FAIRLIE G E | 2004 | American Society of Mechanical Engineers2004，418，： | 1 |
| 8 | Characterizing the HER2/neu status and metastatic potential of breast cancerstem/ progenitor ceils 显示文摘 | Pommier S J Quan G G Christante D Muller P New- ell A E Olson S B | 2010 | Ann Surg Oneol2010，17，： | 1 |
| 9 | Diversity of ammonium-oxidizing bacteria in a granular sludge anaerobic ammonium-oxidizing (anammox) reactor显示文摘 | Quan Z X P hee S K Zuo J E | | 0，，11： | 1 |
| 10 | Role of hypothalamic proopiomelanocortin neuron autophagy in the control of appetite and leptin response 显示文摘 | Quan W Kim H K Moon E Y | 2012 | Endocrinology2012，153，4： | 1 |
| 11 | The role of circulating fibrocytes in fibrosis显示文摘 | COWPER S E BUCALA R | 2006 | Curr Rheumatol Rep2006，8，2： | 1 |
| 12 | Chatter Dynamics in Sheet Rolling 显示文摘 | Robert E Johnson Quan Qi | 1994 | International Journal of Mechanical Sciences1994，36，7： | 1 |
| 13 | accuracy limitations on Brillouin lidar measurements of temperature and sound speed in the ocean 显示文摘 | Fry E S Emery Yves QUAN Xiao-hong | 1997 | Applied Optics1997，36，27： | 1 |
| 14 | A methodology for automatic intensity-modulated radiation treatment planning for lung Cancer 显示文摘 | ZHANG Xiaodong LI Xiaoqiang QUAN E M | 2011 | Phys Med Biol2011，56，13： | 1 |
| 15 | Iron (11) oxidation by S02/02 for use in uranium leaching显示文摘 | Ho E M Quan C H | 2007 | Hydrometallnrgy2007，85，234： | 1 |
| 16 | Cr(VI) Adsorption and reduction by humic acid coated on magnetite 显示文摘 | JIANG Wen-jun CAl Quan XU Wei YANG Ming-wei CAl Yong DIONYSIOU D D O'SHEA K E | 2014 | Environment Science and Technology2014，48，： | 1 |
| 17 | Organizational Slack and Corporate Social Performance:Empirical Evidence from China' s Public Firms显示文摘 | Xu E Yang H Quan J M Lu Y | 2015 | Asia Pacific Journal of Management2015，32，1： | 1 |
| 18 | Dietary zinc supplementation inhibits NfkappaB activation and protects against chemically induced diabetes in CD1 mice显示文摘 | Ho E Quan YH Lai W | 2001 | Exp Biol Med(Maywood)2001，226，： | 1 |
| 19 | Diversity of ammonium-oxidizing bacteria in a granular sludge anaerobic ammonium-oxidizing (anammox) reactor显示文摘 | Quan Z X Rhee S K Zuo J E | | 0，，11： | 1 |
| 20 | A luminal surveillance complex that selects misfolded glycoproteins for ER-associated degradation 显示文摘 | DENIC V QUAN E M WEISSMAN J S | 2006 | Cell2006，126，： | 1 |
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