3篇
您的检索式：作者名="HE Wanquan"
|
|
|
题名
|
作者
|
年代
|
出处
|
被引量
|
| 1 | Molecular mapping of leaf rust resistance gene LrFun in Romanian wheat line Fundulea 900显示文摘 | Lifang Xing Cuifen Wang Xianchun Xia Zhonghu He Wanquan Chen Taiguo Liu Zaifeng Li Daqun Liu | 2014 | Molecular Breeding2014，，4： | 1 |
| 2 | 2D and 3D orientation mapping in nanostructured metals: A review显示文摘Nanostructured metals possess various excellent properties and offer the potential for a wide range of applications.Improvements in the properties and performance of nanostructured metal components motivate a complete characterization of the microstructures and crystallographic orientations of nanostructured metals with nanoscale spatial resolution.Two well developed orientation mapping techniques for such characterization are electron backscatter diffraction(EBSD)in the scanning electron microscope and precession electron diffraction(PED)using diffraction spots in the transmission electron microscope.However,these methods can only characterize the structure in two dimensions.It is still a great challenge to characterize grains in three dimensions,i.e.from the interior of the nanostructured metals.Recently,three-dimensional orientation mapping in the transmission electron microscope(3 D-OMi TEM)was developed and further improvements of this technique are introduced in this paper.Utilization of these orientation mapping techniques for structural and orientational characterizations are demonstrated by examples of surface-deformed metals with gradient nanostructures,and a sputtered gold film of nano-islands containing nanograins.The merits and challenges of each of these techniques are discussed and suggestions for further developments are proposed. | Guilin Wu Wanquan Zhu Qiongyao He Zongqiang Feng Tianlin Huang Ling Zhang SØren Schmidt Andrew Godfrey Xiaoxu Huang | 2020 | Nano Materials Science2020，2，1： | 1 |
| 3 | Experimental study of large-amplitude standing-wave field obtained in a standing-wave tube with uniform cross section显示文摘A large-amplitude standing-wave field of 182.1 dB is obtained under the excitation at the resonant frequency of the lst-order peak of the sound pressure transfer function in an improved standing-wave tube experimental system,and saturation of harmonics and waveform distortion are investigated experimentally for the large-amplitude standing-wave fields obtained under the excitations at the resonant frequencies of the 1 st-to the 5 th-order peaks.The results show that although the sound pressure level has reached 182.1 dB under the excitation at the resonant frequency of the 1 st-order peak,the waveform distortion is the minimum and the harmonic saturation is not observed.However,the large-amplitude standing-wave field excited at the resonant frequency of the 3 rd-order peak exhibits the trend of the harmonic saturation.Comparison of the large-amplitude standing-wave fields obtained under the excitations at valley resonant frequencies shows that the standing-wave field excited at the resonant frequency of the 1 st-order valley has the largest SPL,but also has the largest waveform distortion.Under the same source-driving voltage,the standing-wave field excited at the resonant frequency of the 1 st-order peak always has greater SPL than the standing-wave field excited at the resonant frequency of the 1 st-order valley.Hence,to obtain a large-amplitude standing-wave field,it’s better to excite at the resonant frequency of the 1 st-order peak of the SPTF by using loudspeaker in a standing-wave tube with uniform cross section. | MIN Qi HE Wanquan WANG Quanbiao GE Shuping WANG Shengyu | 2019 | Chinese Journal of Acoustics2019，38，3： | 0 |
您所在的机构暂未开通此部分的功能，请联系管理员