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ZHANGWenxu TANGShengxiang 《中国水稻研究通报》1995,3(3):2-3
The rates of length/width of 11 Hemudu ancient rices were compared with the O. rufipogon, O. sativa, sub sp. indica and japonica. In No. 7 and 10 ancient rices, the rates were 3.26 and 3.07 resembling to the 3.04—3.17 in O.rufipogen. In No. 1,4,8 and 9 ancient rices, the rates were 2.87, 2.82. 2.51 and 2.38 respectively which resemble to the 2.29—2.50 in O. indica. The rates in No. 2,3,6 and 11 ancient rices, however, were 1.71,1.78, 1.56 and 1.56 respectively which were lower than the rate of 2 in japonica. The bi-peak-tubercles of lemma on the No. 1,4, and 8 of Hemudu ancient rices that belong to the indica were observed with the scanning electric microscope (SEM). The common characters of bipeak-tubercles on the lemma in these 3 Hemudu ancient rices were as follows: the distance between two 相似文献
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八卦的创造,是华夏民族抽象思维高度发达后的一种科学产物,先民们用“阴阳”学的概念来解释。自然界各种物质和现象的对立统一关系及此消彼长的规律。这是唯物主义认识论的基础,在远古时期,一个没有文字的时代,将自然界中的物质变化规律,通过一个简洁易懂的图形表现出来,这不得不让我们为祖先们的智慧和才华所折服。八卦的发明对华夏民族的思维方式和社会文明的发展起到了举足轻重的作用,它引领了中华民族8000多年来的文化进步和社会发展。 相似文献
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正远古时期,我国岭南人与一颗稻种的神奇相遇拉开了人类农业文明的序幕。光阴荏苒,沧海桑田,寒来暑往,春去秋来,无论经过多少次的寒暑交替,种子所承载的使命亘古未变。它代表着生命,代表着希望,与每个时代、每个人的生活息息相关,延续着一代又一代生命,生生不息,泽被万世。大地、种子、人类,作为地球上最基础的元素,衍生出了纷繁复杂又多姿多彩的万千世界。 相似文献
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