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生态学与进化生物学实验室尼泊尔籍博士后Babu Ram Paudel博士与合作导师李庆军研究员通过量化不同生殖障碍的相对作用,以期解决关键科学问题“喜马拉雅高山姜科植物紫花象牙参和图杰象牙参在同域分布群体中如何保持各自独立的物种身份”。研究发现这两种同域分布的象牙参属植物是通过不同的开花物候及不同传粉昆虫(图杰象牙参通过熊蜂传粉,紫花象牙参通过长喙虻传粉)实现生殖隔离。研究结果表明,合子前隔离在生...
The crustal-scale west-vergent San Ramón thrust fault system, which lies at the foot of the main Andean Cordillera in central Chile, is a geologically active structure with manifestations of late Quat...
VIVA Hi observations of the Virgo spiral galaxy NGC 4501 are presented. The Hi disk is sharply truncated to the southwest, well within the stellar disk. A region of low surface-density gas, which is m...
Galaxies in compact groups tend to be deficient in neutral hydrogen compared to isolated galaxies of similar optical properties. In order to investigate the role played by a hot intragroup medium (IGM...
A comparative slaughter trial was conducted to estimate the phosphorus (P) requirement for maintenance and growth of crossbred lambs of Dorper with a Chinese indigenous sheep breed, thin-tailed Han sh...
The present study was conducted to investigate the effects of butylated hydroxytoluene (BHT) supplementation on diluted, cooled and frozen-thawed ram spermatozoa. After primary evaluation of collected...
The bioreduction of 1-acetonaphthone 1 by locally isolated Rhodotorula glutinis strains using ram horn peptone (RHP) gave (S)-(-)-1-(1´-naphthyl) ethanol (2), an important pharmaceutical interme...
The present study was conducted to observe the effect of osmolality of glycerolated TEST-yolk glycerol extenders on post-thawing sperm kinematics of ram spermatozoa of the native Malpura breed maintai...

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