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The climate of West Virginia borders on a humid subtropical climate in the lower elevations of the extreme southwestern part of the state and parts of the Eastern Panhandle east of the Appalachians with hot, humid summers and milder winters.

气候的西弗吉尼亚州的边界上湿润的亚热带气候的低海拔地区的极端西南部分国家和部分东部狭长的阿巴拉契亚山脉以东的高温,高湿的夏季和暖冬。

Seeds deposited in the bank will be preserved by the cold, certainly for hundreds and perhaps even thousands of years.

存于库中的种子定会被寒冷的气候保存上几百年甚至可能是上千年。

According to the principle of strontium isotope stratigraphy, we attempt to determine the age of the boundaries for Campanian/Santonian and Maastrichtian/Campanian by 87Sr/86Sr ratios for Gamba section in southern Tibet.

在与国际上同期海相地层锶同位素演化曲线对比的基础上,研究了晚白垩世海相碳酸盐锶同位素组成与主要地质事件的关系;在将本研究锶同位素数据融入到全球中新代海水锶同位素曲线的基础上,综合作出了中新生代海平面变化和锶同位素对照曲线,讨论了全球风化速率,造山事件,气候,海平面变化以及灾变性事件对中新生代海水锶同位素的控制作用;根据锶同位素地层学原理,本研究尝试将碳酸盐锶同位素组成用于海相地层定年上,利用已有的全球海水87Sr/86Sr值-年龄数据库和测试的藏南晚白垩海相碳酸盐的87Sr/86Sr值,确定了岗巴剖面Campanian/Santonian和Maastrichtian/Campanian阶界线,标定了广泛分布于白垩纪的厚壳蛤化石的年龄;本研究还将这些方法推广到了塔里木盆地井下奥陶纪地层的年龄标定,确定了中/上,中/下奥陶统界线,从锶同位素角度获得了古岩溶作用证据,显示锶同位素地层学在解决海相地层对比,年龄确定及在岩溶型油气储层研究中的潜在价值和良好应用前景。

The characteristics of distribution and changes of climatic potential productivity were analyzed from spatial and temporal.

运用孙惠南的模型计算了气候生产潜力,并从时间上和空间上分析它们的分布和变化特征。

TheJiyang depression located in paleomonsoon climate zone in the period of the sahejieformation sedimentation, the wet and hot climate made ancient lake become deeperwater, enhanced stratification, reduced primary productivity of plankton, decreasingsedimentary velocity of carbonate, increasing sedimentary velocity of clay, fortifiedreductibility on certain degree, and then would be available for development of blackshale, dark shale and oil shale; In the contrast, the cold and dry climate lead ancientlake to shallower water, subdued stratification, increaser primary productivity ofplankton, enhancive sedimentary velocity of aphanitic carbonate, decreasedsedimentary velocity of clay, and then would be available for development calciteshale, calcite laminar shale, calcite mudstone, shaly carbonate rock, even laminarcarbonate or dolomite rock.

济阳坳陷在古近系沙河街组沉积期属于古季风气候带,在湿热的气候条件下古湖水加深,分层性增强,浮游生物的古生产力降低,隐晶碳酸盐的沉淀速率变小,粘土沉积速率加快,还原性一定程度上有所加强,有利于黑页岩、油页岩和暗色泥岩的形成:而相对干冷气候下,古湖水变浅,分层性减弱,浮游生物的古生产力增高,隐晶碳酸盐的沉积速率变大,粘土的沉积速率减慢,有利于钙质页岩、钙质纹层页岩、钙质泥岩、泥灰岩甚至纹层状碳酸盐岩、灰岩的发育。

This project was conducted starting with the three interrelated subjects the structural characteristics of desertification landscapes in different bioclimatic zones, desertification driving factors and their function mechanism, and the dynamic model of landscape space for the occurrence and development of desertification in representative desertification regions and on the basis of in-depth studies of the relations between landscape structural characteristics and processes of desertification and their stability; the driving force of different time-space scales of desertification and their proportion, manifestation form, and action mechanism in the desertification processes; and the establishment of threshold conditions for the surface wind erosion and has achieved important progress in the definition of desertification conception

本课题从三个相互联系的专题(即不同生物气候区荒漠化景观的结构特征、荒漠化驱动因素及其作用机理、典型荒漠化地区荒漠化发生与发展的景观空间动力学模型)入手,在深入研究荒漠化景观结构特征与过程的关系及其稳定性,不同时空尺度的荒漠化过程驱动力及其在荒漠化过程中所占比重、表现形式及作用机制,地表风蚀临界条件的确定等内容的基础上,虽未建立荒漠化景观空间动力学模型,但在沙漠化概念,末次间冰期以来沙漠化过程时间序列和特征冷暖时期沙漠、沙地空间分布格局,现代沙漠化过程中自然因素和人文因素的作用、贡献率、沙漠化土地对气候的反馈作用以及风蚀临界值,沙粒跃移轨迹参数和能量分布,我国沙漠化防治思路和对策,沙尘暴区划和沙尘暴指数等方面取得了重要进展。

It is now widely accepted that averting serious climate change is technically feasible and economically affordable.

现在普遍认为,避免严重的气候变化是技术上可行,经济上负担得起。

One of the cruelest ironies about climate change is that the ones who will be hurt the most are the most innocent: the worlds poorest and those yet to be born.

气候变化最残酷的现实是,深受气候变化其害的人是无辜的,他们是世界上最穷的人和还未出生的人。

Though the climate the difference of every area on the earth is enormous, comfort about architectual micro-climate and physical characteristic of the hot movement are unanimous.

虽然地球上各个地区的气候差异巨大,但是人类关于建筑微气候的舒适感以及热运动的物理特性是一致的?

Based on the study of chronology and geochemistry of Cd in sediments of the Dongting lake area, we have established an ARIMA model of Cd and Cd/Ca in Quaternary and Holocene period respectively, and discussed Cd evolutionary regularity according to the fitted value and predicted value of the model The results revealed that the Cd evolution has remarkable periodicity of ecogeochemistry cycles, and is correlated with the climate change of alternative cold and warm Cd/Ca is changed with climate, from which the evolutionary history of regional ecogeochemistry can be inferred The changes of Cd and Cd/Ca are basically simultaneous, which showed that the change of Cd is mainly a natural evolution Cd in sediments will rise in the next 30 years and then tend to decrease From the regularity of ecogeochemistry indexes and global environment variation, it is concluded that the natural environment is the dominant factor affecting the Cd deposition

在对洞庭湖区沉积物钻探取样的年代学和地球化学研究基础上,分别建立第四纪和全新世时期Cd和Cd/Ca的时间序列演化ARIMA模型,并据模型的拟合值及未来预测值对区域地球化学环境中Cd的演化规律进行了探讨,结果显示区内Cd的演化有较显著的周期性--环境地球化学旋回,与气候多次冷暖的交替有关;沉积物Cd/Ca受气候环境等控制,分析该比值的变化规律可推测区域环境地球化学的演变历史;Cd和Cd/Ca两者的变化基本同步,说明该区Cd的演化主要为自然演化;未来30年内沉积层的Cd含量仍有逐渐增高的趋势,之后转为降低。从本区环境地球化学指标的时间变化规律及其与全球环境变化的相关联中说明自然条件是区域镉等元素沉积的主控因素。

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She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了,但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场,你等着挨绳子吧!

Several theories about reigniting and extinguishing of the arc have been refered.

本文综合考虑了几种电弧重燃和熄灭理论。