148 results on '"刘春"'
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2. 基板材料与铺粉速度对激光选区熔化成型M2高速钢的影响
3. Study on ecological restoration and reconstruction of desert steppe: A review
4. Laws of transpiration conductance variables driven by atmospheric were compared in apple orchards on the Loess Plateau
5. 光纤感知阵列在线滑觉测试系统
6. Fish community structure and habitat suitability of alien fishes in the Ili River, China
7. 偏心摄影视力筛查设备光学系统设计
8. Evaluation of water conservation of China's ecosystems based on benchmark
9. X射线能量对基于宏孔硅的X射线CsI（Tl）闪烁屏的影响
10. Ecological security pattern of typical counties in northern sand prevention belts
11. 一种光栅辅助狭缝微环谐振器的传感特性
12. 校谱线弯曲的共轴PGP成像光谱仪光学系统设计
13. Multifractal pattern of the response of O3 concentration change to NO2 emission reduction in suburban forest park during the COVID-19 epidemic
14. 一维光纤相控阵多光束快速扫描
15. 基于FBG阵列的曲面结构状态感知系统
16. Supply and demand measurement and spatio-temporal evolution of ecosystem services in Beijing-Tianjin-Hebei Region
17. UAV Bridge Laser Scanning Path Planning Based on Coverage Path Arcs
18. Vegetation dynamics and its relationship with climate factors in the middle reaches of the Yangtze River Based on MODIS NDVI
19. 空间太阳望远镜热设计
20. Ecosystem integrity and authenticity assessment framework in the Qinghai-Tibet Plateau National Park Cluster
21. 1064 nm光纤激光器直写聚酰亚胺成碳工艺参数研究
22. One-Dimensional Photonic Crystal Groove Microring Resonators and its Sensing Characteristics
23. Optimization and Preparation of GaN-Based LED Chip Electrode Structure
24. Preparation, Luminescence and Thermal Stability of Li+/La3+ Co-doped Single-phased BaSi2O5∶Eu2+ Green Emitting Phosphors for White LEDs
25. Near-infrared Properties of Optical Planar Waveguides Formed by H+ Ion Implantation in Yb3+-doped Phosphate Glasses
26. Effects of Y3+ Doping on the Microstructure and Quantum Cutting Luminescence of CaGdAlO4: Pr3+,Yb3+ Phosphors
27. Design of Coaxial Ultra-Compact Primary and Tertiary Mirror Integrated Optical System
28. Analysis of Single-Scatter Path Loss in Wireless Ultraviolet Communication in Mobile Scene
29. Design of Router Based on Improved Parallel Microring Array
30. Temporal and spatial variations of land use and the driving factors in the middle reaches of the Yangtze River in the past 25 years
31. Feature Extraction Based on Linear Embedding and Tensor Manifold for Hyperspectral Image
32. Soil C: N: P stoichiometry and its relationship with the soil physicochemical properties of different aged Chinese fir (Cunninghamia lanceolata) plantations
33. Step-index multimode fiber cladding surface plasma resonance sensor
34. Preparation and Optical Properties of Eu2+ Doped 12CaO·7Al2O3 Blue Emitting Conductive Phosphors
35. Preparation and X-ray Storage Properties of Eu3+ Doped CaGdAlO4 Phosphor
36. Estimation of Intravoxel Fiber-Orientation Distribution via Non-Convex Regularized Spherical Deconvolution
37. Research on the pattern and change of forest water conservation in Three-North Shelterbelt Forest Program region, China
38. Propagation Properties of Airy-Gaussian Beams in a Biased Photovoltaic-photorefractive Crystal
39. Feedback-Coupled Waveguide Microring Resonator Based on Slot Structure
40. Characteristics of soil stoichiometry in native shrub and plantation communities in karst regions of Yunnan province
41. Study on self-triggered instantaneous gating imaging of waveguide grating microarray(invited)
42. Improved Collaborative Algorithm Based on Spatial-spectral Joint Clustering for Hyperspectral Anomaly Detection
43. Gyro-compensated real-timeEKF magnetic field calibration method
44. Clonal growth response of Hippophae rhamnoides ssp. sinensis to irrigation intensity and its hormone regulation mechanism
45. Development of an underwater combined Raman-fluorescence detection system and preliminary test
46. Generation and Propagation Regulation of Airy Solitons in Saturable Nonlinear Medium
47. Guided Modes in Thin Layer Waveguide Induced by Photorefractive Surface Waves
48. Microstructure and Optical Properties of 12CaO·7Al2O3∶Pr3+ Phosphors for High Quality X-ray Imaging
49. A long-term site study for the ecological risk migration of landscapes and its driving forces in the Sanjiang Plain from 1976 to 2013
50. Diffraction properties of liquid crystal polarization gratings with orthogonal circular polarization and different intensities waves
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