走进沈阳铁西区的中国工业博物馆, 大厅迎面大型古铜色浮雕,两个炼钢工人挥舞钢钎牵出火龙,钢花飞溅. 一个引钩工人指挥起吊钢水包,浇铸出红彤彤的世界. 火车头和拖拉机, 普
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In this paper, we present a compact low-temperature co-fired ceramic(LTCC) dual-band antenna by using the electromagnetic coupling effect concept for global positioning system(GPS) and universal mobil
We use the method of device simulation to study the losses and influences of geminate and bimolecular recombinations on the performances and properties of the b
掖单１３号高产栽培技术云南省种子公司６５００３１曹秉益掖单１３号是山东省莱州市玉米研究所于８０年代初用自交系４７８作母本、丹３４０作父本育成的单交种。１９８８年引入我省，先后参加省多点试验、省区试，产量均名列
In this paper, a surface potential based threshold voltage model of fully-depleted (FD) recessed-source/drain (Re-S/D) silicon-on-insulator (SOI) metal-oxide se
A top-illuminated circular mesa uni-traveling-carrier photodetector(UTC-PD) is proposed in this paper. By employing Gaussian graded doping in In Ga As absorptio
火龙果作为新兴水果，有较高的营养价值，具有广阔的市场前景。目前国内火龙果种植品种较为单一，在品种选育方面研究较少，而肉色相关分子标记的研究目前尚未见报道。因此，探讨火龙果
棉花苗床管理“三字经”成太祥，成国柱（江苏省盐城市张庄农技站２２４０１５）播种后出苗前保温度保湿度真叶后安炼苗迟揭膜施肥药催苗全下雨天理通沟爽干水防病虫叶水干早盖膜保暖床．防病害保