In fact, other recent studies have found there has never been a time in American history when so small a proportion of young people have sought or accepted leadership roles in local civic organizations. 出自-2016年6月阅读原文 In October 2000, the same month the survey was taken, the Washingt...
We develop a theoretical and computational framework to infer the demographic history of a population within the past 100 generations from the observed spectrum of linkage disequilibrium (LD) of pairs of loci over a wide range of recombination rates in a sample of contemporary individuals. The ...
Moreover, you don't need to trigger numerous creative content changes for UTM tracking purposes, which overloads Ads Quality with creative edit history and large review queues. Sponsored Content (Image, Article, Video) will be supported with this change. Support for Dynamic Ads, Carousel, and ...
Conservation - Recent Extinctions, Ecology, Biodiversity: To what extent has modern human activity increased extinction rates above the background rate? This discussion presents five well-known case histories of recent extinctions. From them, some genera
MCMC methods make possible estimation of effective population size, population growth rate, migration rate, and mutation rate. The coalescent approach to inference involves considering the history, or genealogy, of a sample of present-day genes. The approach has been most valuable in efforts to ...
Renmin University of ChinaJohn Wiley & Sons, Ltd.World EconomyExcess liquidity, inflation and the yuan appreciation: What can China learn from recent history?". Zhang Chengsi. The World Economy . 2009Zhang Chengsi."Excess liquidity, inflation and the yuan appreciation: What can China learn from...
Moreover, you don't need to trigger numerous creative content changes for UTM tracking purposes, which overloads Ads Quality with creative edit history and large review queues. Sponsored Content (Image, Article, Video) will be supported with this change. Support for Dynamic Ads, Carousel, and ...
History of Excess Profits Taxes Congress enacted the first American excess profits tax in 1917 with rates ranging from 20% to 60% on the profits of all businesses in excess of peacetime earnings.3In 1918, a law limited the tax to corporations and increased the rates. In 1921 the excess pro...
Neither life history theory nor recent theoretical models provide plausible explanations for the benefits of herbivory.A. J. Belsky... AJ Belsky,WP Carson,CL Jensen,... 被引量: 619发表: 1993年 Intracranial pressure: why we monitor it, how to monitor it, what to do with the number and wh...
On the other hand, if the Swiss National Bank raises interest rates, that could lure more investors to the franc and thus increase its value. In this case, the USD/CHF rate would fall because it will take fewer francs to buy the USD. The USD/CHF tends to have a negativecorrelationwith...