树木的年轮

A tree-ring reconstruction known as the "hockey stick", which shows unprecedented 20th-century warming, has been a particular target of criticism by sceptics.

名为"曲棍球棒"的树木年轮重建发出了20世纪前所未有的警告，这却成为怀疑论者挑剔评论的目标。

Using the annual ring datum of elm nearby Lubei Town of Jarutqi, Tongliao City, established the length for 97 years elm standard timeline, according to the standard timeline and the hydrometeorology datum of Lubei area, analyzed the relationship between the elm growth and the hydrometeorology factor.

利用科尔沁沙地通辽市扎鲁特旗鲁北镇附近榆树树木年轮资料，建立了长度为97 a的榆树标准年表，通过标准年表和鲁北地区水文气象资料相关，分析了榆树生长与水文气象因子的关系。

The study of the reactions of tree rings to the climate change and its applications.

树木年轮对气候变化的响应研究及其应用。

Although the fact of intra-ring or circumferential δ〓C variations in tree rings was revealed by s...

通过对树木年轮中信息的提取，重建过去气候变化，具有重要的理论和实际意义。

Trees growing close to their thermal limit of distribution, such as at high-latitude or high-altitude upper tree-line, react to variations in temperature through its influence on cambial activity. Tree growth was mainly influenced by temperature at the upper tree-line, so there was more temperature information in tree-ring width chronology in middle Qilianshan Mountains.

祁连山中部地区森林上限的树木生长主要受温度变化的影响，年轮宽指数序列中主要包含温度变化信息，对树轮生长影响最大的气候因子为前一年12月～当年4月平均温度。

By comparing the cut timber at Puebloan sites with the tree-ring records for the area, archaeologists can often date the occupation of the settlements quite precisely.

考古学者比较了普布罗遗址发现的木材与当地的树木年轮记录，可以推算人类居住在那儿的年代，结果往往相当精确。

Some academicians have already studied the climate change in the dry area of west and north China by using tree rings.

在我国西部及北部干旱地区，已有学者利用树木年轮对气候变化进行了较多研究，而东部地区，尤其是热带、亚热带暖湿地区的研究相对薄弱。

Utilizing tree ring chronologies to reconstruct 300-year drought days in eastern Tianshan Mountains.

利用树木年轮资料重建新疆东天山300多年来干旱日数的变化。

It was also found that both the content of heavy metal and its increment speed in tree rings in major urban road system were much higher than these in campus and the content of some heavy metals in tree ring in campus had been not increased with the time-lasting.

对比还发现，校园组树木年轮重金属元素含量明显低于行道树组，且上升速度大大低于行道树组，甚至校园组某些元素含量随时间无明显的上升趋势。

The content of the heavy metal element: Cd, Cr, Cu, Fe, Mn, Ni, Pb, Ti and Zn in tree rings in both two growth backgrounds: major urban road system and campus in Nanjing were examined and analyzed.

方法］对南京市区主要城市干道行道树和作为对照组的南京林业大学校园内的雪松、法国梧桐和水杉3个对应树种树木年轮重金属元素Cd、Cr、Cu、Fe、Mn、Ni、Pb、Ti、Zn含量进行了测试和对比分析。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。