Results 51 to 60 of about 390,333 (114)
, 2017 该文描述了紫堇科二新种:(1)自云南省发现的紫堇科紫堇属一新种,宽鳞紫堇。此新种与波密紫堇相近似,与后者的区别在于本新种的根状茎鳞片半透明,具三条脉,茎无叶,外花瓣无鸡冠状突起,雄蕊束具2花药,花丝条形,无脉,子房宽条形。(2)自黑龙江省发现的紫堇科紫堇属一新种,鹤岗延胡索。此种与新疆元胡相似,但本种叶的小叶多在顶端,具1~5牙齿,花序苞片有3~5小裂片,上花瓣及其瓣片和距均较小,蜜腺呈狭卵球形,弯曲 ...
王文采
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[Visual analysis of the current research status and hotspots of electric burns at home and abroad]. [PDF]
Zhonghua Shao Shang Yu Chuang Mian Xiu Fu Za Zhi, 2023 Chen HX +7 more
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, 2006 宽禁带半导体材料的研究和突破,带动了各种器件的发展和应用.GaN基紫外探测器具有通过调整材料的配比可以调节器件响应的截止波长的优点,可以制备日盲型紫外探测器.对GaN基宽禁带紫外探测器材料体系的研究进展进行了回顾,重点介绍了p型材料的制备、金属半导体接触、材料的蚀刻等.最后,对国内外近期的紫外探测器特别是紫外焦平面器件的研究进展及初步获得的32 ...
李雪 +7 more
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Unavoidable Adverse Reactions: A Medical-Historical Study of the Demise of Five-Stone Powder(Wushisan, ) in Tang-Song China. [PDF]
UisahakKim H.
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[Rapid determination of aesculin and aesculetin in Fraxini Cortex by high performance liquid chromatography-ultraviolet at equal absorption wavelength]. [PDF]
Se Pu, 2023 Qian ZM +5 more
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, 2013 [[abstract]]Lanuage learning strategy training has been widely discussed and recommended. However, in Taiwan, only very few studies have been concerned with English learning strategy training. It is widely believed that a successful activity design would
黃聖慧
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[<i>Cuscuta chinensis</i> Lam. reduces oxidative injury in Alzheimer<b>'</b>s disease model cells]. [PDF]
Zhejiang Da Xue Xue Bao Yi Xue BanLi D, Liu X, Lu Y, Yu G.
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, 2007 通过模拟降雨试验,探讨了紫色土表土结皮的发育特征。结果表明:有、无雨滴打击下,紫色土在30min内均形成稳定结皮层,厚度约7~8mm;淋移作用是紫色土形成结皮的主导作用,降雨打击使表土在降雨前期迅速形成致密薄层,抑制了淋移作用并使盖网处理的结皮容重略高;孔隙的剖面分布对入渗、抗剪强度有较大影响,表现在发生层总孔隙度低但分布均匀的盖网处理具有更强的入渗能力 ...
卜崇峰 +5 more
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[Exploring the mechanism of action of <i>Synotis solidaginea</i> in treating acute eczema based on ultra performance liquid chromatography-linear trap quadrupole-Orbitrap mass spectrometry， network pharmacology and animal experiments]. [PDF]
Se PuDanzeng CZ +9 more
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, 2013 本发明涉及电动机器人技术领域，尤其是云机器人自主充电系统及方法。这种云机器人自主充电系统，包括云计算平台、云机器人和充电设备，所述充电设备与所述云机器人进行特征信息交互；所述云计算平台用于监控所述云机器人和所述充电设备的特征信息，接收并处理所述云机器人的请求、及发送控制指令至所述云机器人；所述云机器人根据与所述充电设备交互的特征信息及所述云计算平台发送的控制指令进行自主充电。本发明实现了信息全面的方便采集与共享，使得云机器人得以适应复杂的室外环境 ...
李文江, 张耀辉, 李凡
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