X线计测法推断骨龄的研究进展

利用计测法推断年龄是指应用X线摄片技术,测量不同年龄人群全身不同部位骨骼相关数据,如四肢长骨、短骨及椎骨的长度、宽度、厚度,骨化中心面积、干骺端横径、骨骺端横径、骺线宽度、干骺比值等,经过统计学分析探讨这些测量数据与真实年龄（即生活年龄）之间的相关性,并据此推断活体年龄（即骨龄）。本文对有关掌指骨、腕骨、肱骨、股骨及颈椎骨推断骨龄的计测方法和骨龄推断结果进行回顾性分析和总结,并对其应用价值和应用前景进行了初步探讨。     

Shifting Sino-African Ties

China and Africa embrace a partnership with brighter prospects in the post-financial crisis era In recent years, China and Africa have fostered a strategic partnership through enhanced cooperation in political,economic,social and cultural areas.     

BUILDING PROSPERITY

<正>BRICS leaders gather in Sanya to discuss the group’s future role as an economic growth engine Since the global financial crisis brought the world economy to its knees in 2008,developed countries have been plagued with recessions and difficulties restarting theirgrowth engines.On the flipside of this conundrum,emerging economies anddeveloping countries,represented by     

Inheritors of Tibetan Thangka Art

TENPA Ramdan is a 70-year-old painter,scholar,educator and acolyte of the Mentang School of Thangka painting. In 2006,when Thangka paintings of the Mentang School appeared on the first batch to make the National Intangible Cultural Heritage List,Tenpa was designated an official inheritor of the ancient art form.     

LIBYA AFTER THE TEMPEST

<正>Libya’s situation will remain uncertain for a long period of time after Muammar Gaddafi’s death The death of former Libyan leader Muammar Gaddafi on October 20 marked a turning point for the North African country.Three days later in the     

Strengthening Ties With Southeast Asia

<正>Premier Wen Jiabao’s visits to Malaysia and Indonesia enhance China’s relations with its neighbors Chinese Premier Wen Jiabao paid official visits to two Southeast Asian nations-Malaysia and Indonesia-from April 27 to 30. The trip helped foster a "harmonious,     

CREATING OPPORTUNITIES IN AFRICA

<正>Chinese enterprises generate jobs for Africans while exploring the vast potential of the continent Driving from the Johannesburg International Airport in South Africa to the city’s downtown area,you can find almost every world-famous company. In Dar es Salaam,Tanzania,huge billboards of foreign companies dot the landscape of the coastal city. With a population of 900 million and