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| 1 | Core Collection Based Backcrossing: An Eff icient Approach for Breeding, Germplasm Enhacement and Gene Discovery显示文摘Plant germplasm underpins much of crop development. Millions of germplasm accessions have been collected and conserved ex situ, and the major challenge is now how to exploit and utilize this abundant resource. | J.Z. Jia R.H. Zhou X.Y. Zhang L. Zhang Y.L. Li J. Wang X.Z. Liu L.F. Gao S.B. Liu | 2007 | 分子植物育种2007,5,2: | 8 |
| 2 | Numerical modelling of the gas flow through perforated plates显示文摘 | B.Y. Guo Q.F. Hou A.B. Yu L.F. Li J. Guo | 2012 | Chemical Engineering Research and Design2012,,: | 1 |
| 3 | Fuzzy variational principle and its applications显示文摘 | L.F. Yang Q.S. Li A.Y.T. Leung Y.L. Zhao G.Q. Li | 2002 | European Journal of Mechanics / A Solids2002,,6: | 1 |
| 4 | 查看详情显示文摘 | Li F.Y Guo W.H Xu L Ma L.F. Wang Y C | | 0,,: | 1 |
| 5 | Distribution of polycyclic aromatic hydrocarbons in thirty typical soil profiles in the Yangtze River Delta region, east China显示文摘 | L.F. Ping Y.M. Luo H.B. Zhang Q.B. Li L.H. Wu | 2006 | Environmental Pollution2006,,2: | 1 |
| 6 | Microstructure and mechanical properties of C–Mn–Al–Si hot-rolled TRIP steels with and without Nb based on dynamic transformation显示文摘 | B. Fu W.Y. Yang M.Y. Lu Q. Feng L.F. Li Z.Q. Sun | 2012 | Materials Science & Engineering A2012,,: | 1 |
| 7 | Mechanical and thermal expansion properties of glass fibers reinforced PEEK composites at cryogenic temperatures显示文摘 | X.X. Chu Z.X. Wu R.J. Huang Y. Zhou L.F. Li | 2009 | Cryogenics2009,,2: | 1 |
| 8 | Ion-beam deposition of tourmaline film on glass显示文摘 | S.M. Liu D.C. Li W.T. Hu G.Q. Qin L.F. Li | 2007 | Journal of Non-Crystalline Solids2007,,12: | 1 |
| 9 | The cryogenic system of the 10.5<ce:hsp sp='0.25'/>kV/1.5<ce:hsp sp='0.25'/>kA high T c superconducting fault current limiter显示文摘 | L.H. Gong Z.C. Fang X.D. Xu X.D. Jiao L.F. Li L.Y. Xiao | 2007 | Cryogenics2007,,7: | 1 |
| 10 | Distribution of polycyclic aromatic hydrocarbons in thirty typical soil profiles in the Yangtze River Delta region, east China显示文摘 | L.F. Ping Y.M. Luo H.B. Zhang Q.B. Li L.H. Wu | 2006 | Environmental Pollution2006,,2: | 1 |
| 11 | The linear thermal expansion of bulk nanocrystalline Al and SS304 at low temperature显示文摘 | S.G. Wang R.J. Huang Y. Mei K. Long L.F. Li Z.D. Zhang | 2011 | Physica B: Physics of Condensed Matter2011,,14: | 1 |
| 12 | INVESTIGATION OF THE EFFECT OF TEMPERATURES ONTENSILE LOAD DROPS OF TITANIUM ALLOY显示文摘Low temperature may greatly affect the mechanical properties of materials. Some in-teresting mechanical phenomena were detected at very low temperature. In this study,a multi-sample tensile installation was designed to study the plastic deformation be-havior for Ti-5Al-2.5Sn extra-low-interstitial (ELI) alloy at liquid helium temperature.The special geometrical instability phenomena in low temperature, serrated deforma-tion and multi necking, was studied in detail in this project. Slip and twinning were determined in the process of plastic fiow by SEM/TEM analysis. Efficts of temper-ature and sequential straining on load drops in tensile stress-strain curves were also studied. Optical measurement method was used to gauge the geometrical characteristic of multi-necking specimens. The sensitivity of partial thermoplastic deformation and the equivalency of low tempemture with high velocity of this material were studied by using micro-mechanics analysis.The criterion of geometrical instability has been discussed. A computer simulation of the low temperature instability of plastic fiow in Ti-5Al-2.5Sn ELI alloy has been carried out. A computer model has been established which links the hot dtffusion and the plastic fiow of hcp alloys under assumption that the tempemture is homogeneous within the specimen and that the heat exchange with the thermal bath is the control-ling step in the heat release. The computer simulation of the deformation curves as a function of several mechanincal, geometrical and thermal parameters provides a re-alistic description of the experiments. The experimental data available are discnssed in the light of the computer simulation model. | Z Zhang ZH Tu L.F. Li L.Z. Zhaoand D. Jin (Cryogenic Laboratory Chinese Acaderw of Sciences, Beijing 100080, China )H.J Lu (Beijing Institute of Aerospace Materials and Technology, Beijing 100076, China) | 1997 | Acta Metallurgica Sinica(English Letters)1997,10,3: | 0 |
| 13 | THE CALCULATION OF BaO ACTIVITIES IN BaO-BaF_2-Cr_2O_3 SYSTEM FLUXES USING SCHUHMANN METHOD显示文摘The principle and steps for the calculation of component activities in fluxes using Schuhmann method are described. On the foris of Gibbs-Duhem equation and using Cr2O3 activities in BaO-BaF2-Cr2O3 system fiuxes, BaO activities at 1523 and 1673K are calculated, respectivelg,and the isoactivity diagrums of BaO are also obtained. The calculation results indicate that BaO activity increases with increasing its content in fiuxes, and decreaaes with the increase of Cr2O3 content at a given XBaO/XBaF2 ratio. | L.F. Li Z.P. Chen, M.F. Jiang and W.Z. Wang(Department of Ferrous Metallurgy, School of Materials and Motallurgy, Northeastern University Shenyang 110006, China)(The Technology Center, Baoshan Iron & Steel Complex, Shanghai 201900, China) | 2000 | Acta Metallurgica Sinica(English Letters)2000,13,3: | 0 |
| 14 | Dissection of Wheat Breeding in China by Marker/Trait Association显示文摘Besides the natural selection, the crops cultivated today have experienced two episodes of strong artifi cial selection, domestic and modern breeding. Domestication led to giant genetic structure differentiation | X.Y. Zhang H.M. Ge G.X. You C.Y. Hao L.F. Wang Y.S. Dong Y.P. Tong B. Li Z.S. Li | 2007 | 分子植物育种2007,5,2: | 0 |