葡萄白粉病(Uncinula necator)是严重危害欧洲葡萄的真菌病害之一。中国葡萄属野生种对真菌病害具有丰富多样的抗性。如何有效地利用这些种质中的抗病基因,改良现有的欧洲葡
High resolution Fresnel zone plates for nanoscale three-dimensional imaging of materials by both soft and hard x-rays are increasingly needed by the broad appli
High intensityγ-ray source can be obtained through resonance reaction induced by protons. In this work, the possi-bility of using such high intensity MeV-range
The entropy squeezing for a three-level atom interacting with a single-model field is studied. A general definition of entropy squeezing for three-level atom is
地市报都有专版,也都有一条不成文的规定:专版要配合新闻版。但如何配合?却是一个值得研究的课题。任何专版不能单独规定自己的任务,更不能同整个报纸精神唱反调。从这个意
From the perspective of error compensation in the sampling process, a digital calibration algorithm was studied for the processing of spectral data in dual-comb
安吉白茶是一种低温诱导的白化珍稀茶树品种,春季萌发时嫩芽呈浅绿色,当叶片展开呈现“叶白脉绿”的特殊现象,温度升高后叶片逐渐复绿。目前普遍认为:安吉白茶的白化与低温条件下叶绿素合成受阻、叶绿体结构损伤有关。由于安吉白茶产品以其鲜醇的品质深受消费者喜爱,全国多个茶区争相引种,其白化品种特征总体表现稳定,但白化程度和白化持续时间也明显受到引种地区生态环境和水肥管理的影响,同时安吉白茶的“叶白脉绿”白化特
We present a theoretical investigation of the multiphoton resonance dynamics in the high-order-harmonic generation (HHG) process driven by a strong driving cont
We report the circuit simulations and experiments of millimeter-wave radiation from a high temperature superconduct-ing (HTS) bicrystal Josephson junction (BJJ)
1992年8月26日,中棉所领导、专家同河南省农牧厅、南阳地区行署、南阳县政府领导以及来自河南、湖北两省主产棉县的负责人共200余人,在南阳县良种棉加工厂举行了中棉所南阳