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Seasonal changes in TC and WSOC and their ~(13)C isotope ratios in Northeast Asian aerosols: land su
In order to understand the relative importance of anthropogenic and biological sources of carbonaceous aerosols in North......
This paper gives a brief report on the new occurrence of the Early CambrianQiongzhusi’ an Chengjiang fauna in the Haik......
A New Species of Megarhyphus,an Interesting Discovery from the Lower Jurassic of England(Diptera,Ani
The oldest representative of the genus Megarhyphus Kovalev(Diptera:Anisopodidae)is described from the Lower Jurassic(Sin......
A New Subfamily of Aphids (Hemiptera,Aphidomorpha) from the Early Cretaceous Lebanese Amber with a D
Aphids are marked by their high polymorphism,but species reported from the Early Cretaceous are known only from alate mo......
The Yixian Formation is a series of volcanic-sedimentary rocks in Biepiao area of Liaoning Province. It is mainly compos......
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New Localities and Palaeoscolecid Worms from the Cambrian(Stage 4,Series 2) Guanshan Biota in Kunmin
The Guanshan Biota from the Cambrian Stage 4 Wulongqing Formation is a typical Burgess-shale type Lagerst?tte that had w......
THE western part of China’s Liaoning Province. known in former times as Rehe, is the birthplace of Neolithic Hongshan ......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
环境税作为火力发电厂成本的重要部分，越来越受到关注。为了了解经济负荷分配中环境税对火电机组负荷分配的影响，建立了考虑环境税的......
新疆柯坪地区沙井子组是古生界最高层位，研究了其时代的归属，依据在露头剖面所采集到的植物和孢粉化石，结合介形类，双壳类化石资料，应用......
基础 Vespina (=Orussoidea + Apocrita ) 的分类和发展史被重新考虑在内部蒙古从 Daohugou 的中间的侏罗记首先基于富有、好的保......
