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气候学

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B. Raper of the University of East Anglia -- systematically varied parameters in simplified climate models.

东安'。''格利亚大学的莎拉·雷裴一系统地改变了简易气候众数的参量。

Lake Arrowhead Information Climate: According to UCLA, Lake Arrowhead enjoys 310 days of sunshine.

湖镞信息气候:根据洛杉矶加利福尼亚大学湖镞享有310天的阳光。

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 journal encompass the scientific disciplines of agronomy,biochemistry,climate change,entomology,genetic manipulation,molecular biology,mathematical modelling,nematology,pathology,plant breeding,plant physiology,post harvest biology,soil science,statistics,virology.

期刊论文以纸质和电子文本形式来反应农作物生产、农作物保护、农作物生态系统等各个方面的应用性研究,包含的学科主要有农艺学、生物化学、气候变化、昆虫学、遗传操作、分子生物学、数学模型、线虫学、病理学、植物育种、收割后生物学、植物生理学、土壤科学、统计学、病毒学。

The coring was successfully operated on the winter ice-cover of the lake in 2000 and the pioneer practice of the ""off-the-ice"" coring proves to be very useful and economic for taking quality cores from lakes in northern China.A multidisciplinary investigation has been carried out on core HQH4, one of the three 11-m-long cores. Results from previous investigation include lithostratigraphy, radiocarbon dating, paleoecology of Ostracoda, stable isotopic record of ostracod shells, total nitrogen and organic carbon, C/N ratio, 81 C of organic matter etc.

在对深度为11米的HQH4岩芯开展了~(14)C年代学、岩性地层学、介形类古生态及介壳稳定同位素、有机碳和总氮及C/N比值、有机碳同位素等多学科综合分析测试和研究工作的基础上,本硕士学位论文研究侧重开展了:1HQH4岩芯烧失量(Loss-on-ignition)的系统分析测定及该地层学变量的古湖泊和环境变化意义的研究;2沉水植物川蔓藻化石种子生态学特征及其在黄旗海湖泊水位重建和气候变化研究方面的重要意义的研究。

To summarize molecular, morphology, chromosome and pollen characters, the conclusion was reached that Epimedium was an nd monophyletic taxon. To divide the genus into any groups would be artificial. It is proposed that the disjunction by space, climate and seas were the main reason of respectively differentiation of each group by the view of geographic and climate changes in the temperate zone of the world. Because of its evolution-conservation, the disjunction did not bring about obvious divergence on the level of molecular and morphology.

综合分子特征和形态、细胞学、孢粉学等性状,提出淫羊藿属是一个进化上极为保守的、自然的单系的植物类群,进行属下任何阶元的划分都将是人为的,从旧世界温带的地质变化及气候变迁的角度推测,空间、气候和海洋的隔离是产生类群各自分化的主要原因,但由于其进化上极度保守,这些隔离尚未产生出类群间形态上和分子水平上的明显趋异。

It is the journal of the Palaeontological Association. The journal publishes a wide variety of papers on palaenotological topics covering: palaeozoology, palaeobotany, systematic studies, palaeoecology, micropalaeontology, palaeobiogeography, functional morphology, stratigraphy, taxonomy, taphonomy, palaeoenvironmental reconstruction, palaeoclimate analysis and biomineralization studies.

该杂志是古生物学学会的期刊,刊登古生物学广阔领域的论文,其主题涵盖:古动物学,古植物学,系统研究,古生态学,微观古生物学,古生物地理学,功能形态学,地层学,分类学,埋藏学,古生物环境重建学,古生物气候分析和生物矿化研究等。

The study offers a "really big piece of evidence" to researchers trying to estimate Palaeocene climates, says Lisa Sloan, a climate scientist at the University of California, Santa Cruz.

这项研究提供了一个&很有说服力的证据&,这给研究者试着估计古新世的气候。丽萨说道--加利福尼亚大学气候科学家。

Through the analysis and contrast between HM core and Dh core, combined with the data of AMS14C, six pollen assemblages were ploted Out. At the mean time, six stages about the vegetation change and climate fluctuation were rebuild. In addition, there were three sub-assemblages ploted out in the Atlantic period, Sub-Boreal period and Sub-Atlantic period, which reflected the less vibration of the large-scale climatic change. Pollen assemblage dominated by Concentricystes in the hard and green clay of late Pleistocene can make it sure that the hard green clay layer was formed by water.

通过对上海地区鹤鸣孔和东海1井两个钻孔进行孢粉分析鉴定和对比,结合AMS14C测年等资料,划分出了6个孢粉组合带,恢复了本区的植被演化和气候波动的6个阶段,对鹤鸣孔的大西洋期、亚北方期和亚大西洋期各划分出了两个孢粉组合亚带,反应了大气候环境下气候的次一级波动,在晚更新世晚期的硬绿色粘土中还发现了以环纹藻为主的孢粉组合,从孢粉学角度上证实了这一硬绿色粘土层&水成沉积&的观点。

Environmental sedimentology, studying environment and disaster, must be important for solution of environment contamination, ecological destroy, geologic disaster and global climate change, and are becoming one of important development directions of sedimentology.

环境沈积学以环境和灾害研究为己任,将在解决人类面临的环境污染、生态破坏、地质灾害、全球气候变化等重大问题的研究中发挥越来越重要的作用,是未来沈积学发展的重要方向之一。

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然而,正如其名字所指出的那样,CD盘不能写,也不能用任何方式改变其内容。

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