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[期刊论文] 作者:Qin Gang,, 来源:China International Studies 年份:2004
China attaches great importance to its relations with Latin American and Caribbean countries and regards this relationship as a critical foundation of China’s...
[期刊论文] 作者:Chen Xiu-ling, Xu Kai, Qin Xia, 来源:Journal of Acupuncture and Tuina Science 年份:2004
Objective:To observe the clinical efficacy of electroacupuncture in treating perimenopausal insomnia.Methods:Seventy eligible subjects were randomized into two...
[期刊论文] 作者:刘豪杰,赵毅,文瑶,孙红,李民赞,Zhang Qin,, 来源:农业机械学报 年份:2015
为了快速无损地检测大田作物冠层叶绿素含量,使用便携式多波段光谱探测仪针对农大8号(G1)、郑单(G2)、先玉(G3)和京农科(G4)4种玉米作物品种,在拔节期采集550、650、766、850...
[期刊论文] 作者:毛博慧,李民赞,孙红,刘豪杰,张俊逸,Zhang Qin,, 来源:农业工程学报 年份:2017
光谱分析技术是作物生长检测的主要手段,为了解决大田漫反射采集所造成的光谱基线漂移和偏移问题,研究采集了冬小麦冠层325~1 075 nm范围反射光谱,采用多元散射校正方法对小...
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