理学 >>> 数学 信息科学与系统科学 物理学 化学 天文学 地球科学总论 大气科学 地球物理学 地理学 地质学 水文学 海洋科学 生物学 科学技术史
搜索结果: 1-15 共查到理学 yunnan相关记录22条 . 查询时间(0.078 秒)
The Yangla copper deposit is located in western Yunnan Province, China, with an estimated Cu reserve of approximately 1.2 million tons. It is a typical giant copper deposit, and its mining started on...
We did a comparative analysis of pollen and spores from five kinds of natural pollen traps at Wenbi Reservoir, northwest Yunnan, China. The natural traps were the surface soil, ground inhabiting mosse...
A number of fossil leaves of the Lauraceae were collected from Tuantian flora of the late Pliocene strata in Yunnan, China. They have a whole leaf shape and well-preserved cuticles. In this paper, fea...
Associated with several important polymetallic mineral deposits, the origin of the investigated Guilong area granodiorite porphyries (southern Yunnan Province) are presently poorly understood. For th...
The research is for the firs floods and the post-drought in Yunnan area in 2010. The strong rainfall and the hole pressure change are the red rock landslide most essential factor, so an apex post-modu...
A new basal antiarch, Silurolepis platydorsalis n. gen. n. sp., represented by a large-sized trunk armor and a disassociated anterior median dorsal plate (AMD), is described from the Ludlow (Silurian...
The origin of terra rossa and its relationship with its underlying carbonate rocks pose long-standing and controversial questions. This study focuses on one 5.4 m thick terra rossa profile on dolomite...
At the border between China and Vietnam, a deformed and metamorphosed dome (the Laojunshan-Song Chay Dome) developed at the western prong of the "Caledonian" South China Granitic Fold Belt, north of t...
The center of diversity of the genus Musa (Musaceae) is in Southeast Asia, a region not studied in detail and where new species and varieties continue to be reported. A new wild banana species, M. chu...
Three taxa of Ramaria subgenus Ramaria, and 18 of subg. Laeticolora are reported from Yunnan Province.Of these 13 are considered new to science. Only one taxon (R.formosa) is considered of widespread ...
The gayal (Bos frontalis) in China is a very rare semi-wild and semi-domestic bovine species. There still exist remarkable divergences on the gayal??s origin and taxonomic status. In the present study...
摘要为了调查HIV-1感染相关的等位基因CCR5△32、CCR2b-64I、SDF1-3′A在我国云南省德宏州傣族景颇族人群中的频率和多态性分布,此课题以101例傣族和113例景颇族人群为研究对象,应用PCR、PCR-RFLP(聚合酶链反应-限制性片段长度多态性)分析方法进行检测,计算突变基因频率;并对其群体分布、性别分布进行统计学分析。结果表明,中国傣族景颇族人群中未发现CCR5△32等位基因突...
摘要采用不连续聚丙烯酰胺凝胶电泳技术研究了纵坑切梢小蠹(Tomicus piniperda L.)4个自然种群的9个同工酶基因座。4个种群均在Es-1、Es-2、Es-4、Mdh-1、Mdh-2及AAT-1基因座上存在遗传多态现象。路南长湖、楚雄、蒙自3种群间的遗传距离为0.0036~0.0173, 平均值为0.0105, 表明其遗传结构基本相似。丽江种群与上述3种群之间的遗传距离为0.1421~...
Late Pleistocene glaciation was restricted to only a few high mountains in eastern China. The Gongwang mountains constitute one of the typical places once glaciated. Geomorphic mapping of ...

中国研究生教育排行榜-

正在加载...

中国学术期刊排行榜-

正在加载...

世界大学科研机构排行榜-

正在加载...

中国大学排行榜-

正在加载...

人 物-

正在加载...

课 件-

正在加载...

视听资料-

正在加载...

研招资料 -

正在加载...

知识要闻-

正在加载...

国际动态-

正在加载...

会议中心-

正在加载...

学术指南-

正在加载...

学术站点-

正在加载...