NorthChina相关论文
The accumulation of oxygen is one of the most important characteristics that distinguish Earth from other planets in the......
The variability of biomass burning and its influence on regional aerosol properties during the wheat
The spatial-temporal variation of biomass burning in June during the wheat harvestseason in the North China(32-41°N,111......
New plants of Gnetales from Early Cretaceous of China, and its bearing on the early evolution of Eph
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Column-integrated aerosol optical and physical properties at a regional background atmosphere in Nor
The AERONET level 2.0 data at Xinglong station from February 2006 to July 2011 were used to characterize the aerosol opt......
Proposed APLIE method for groundwater vulnerability assessment in karst-phreatic aquifer,Shandong Pr
Groundwater vulnerability assessment has become a useful tool to delineate areas for the prevention and control of groun......
Study on the performance of central solar heating plants with seasonal storage using underground soi
This thesis involves the work on a combined system consisting of a solarcollector，a geothermal heat pump and borehole gro......
An unexpected large continental source of reactive bromine and chlorine with significant impact on w
Halogen atoms affect the budget of ozone and the fate of pollutants such as hydrocarbons and mercury.Yet their sources a......
Multicellularity arose independently multiple times in the evolutionary history of eukaryotes and simple multicellul......
The problematic Small Shelly Fossil Cambroclavus absonus is described from the Xinji Formation in the Longxian area,......
Diatom-inferred salinity changes from the Yushe paleolake indicate an aridification during the Plioc
The global climate changed significantly during the Pliocene-Pleistocene transition,and a worldwide aridification occurr......
Gymnosperms on the eve of the terminal Permian mass extinction in North China and their survival str
在诺思中国的二叠的 redbed gymnmprms 的主要特征被总结了：主导的 peltasperms 和针叶树，众多的 enigmatics 中生代裸子植物的如此......
Zircon U-Pb dating for the earliest Neoproterozoic mafic magmatism in the southern margin of the Nor
巨大的辉绿岩发生在以内原生地，在北方中国的南部的边缘的阶层堵住，地理上在安徽和江苏省的北部分，在比 Neoproterozoic 年轻的阶层都......
Comparison of mantle-derived matierals from different spatiotemporal settings： Implications for dest
在诺思中国下面的球的变瘦作为之一使它成为的 Cratonic 破坏或石版印刷最为在大陆的形成和进化上学习的理想的区域。然而，机制，时间......
<正>In the early 1980s,Chinese meteorologists discovered the positive correlation in summer rainfall be- tween India and......
A paleomagnetic study of Triassic sedimentary rocks from Qinshui Basin, Shanxi Province, North China
The results of a combined paleomagnetic, rock magnetic and petrographic study of Middle and Lower Triassic from Qinshui ......
Chemical compositions of carbonate minerals from Bayan Obo, Inner Mongolia, North China, and their p
THE origin of the giant Bayan Obo REE-Nb-Fe ore deposit has been under much debate since its discoveryas an iron deposit......
Oil Source and Entrapment Epoch of the Ordovician Oil Reservoir in the Kongxi Burial-Hill Zone, Huan
An oil flow obtained from the Middle Ordovician Fengfeng Formation carbonate reservoir in the well KG-3, Kongxi burial-......
Typical basin-fill sequences and basin migration in Yanshan, North China ——Response to Mesozoic tect
Basin-fill sequences of Mesozoic typical basins in the Yanshan area, North China may be divided into four phases, refle......
6月份,东北、华北、华南、长江中下游沿江地区、四川盆地、西南南部降水偏少,部分地区旱情持续,天津、河南、山东、山西等省发生大......
3月份,全国大部地区气温偏高;北方地区降水偏少,黄淮中部和西部以及关中和陇东部分麦区旱象露头或发展,冬小麦返青分蘖和孕穗受到......
3月,我国北方大部地区干旱少雨,气温明显偏高,且多大风、扬沙、沙尘暴和浮尘天气;而南方却阴雨连绵,部分地区雨日达18天之多,平均......
1 天气概况rn 12月份影响我国大部分地区的冷空气次数少且势力较弱，造成气温较常年偏高，但东北 地区受极涡影响，冷空气持续侵入，气......
10月,全国平均气温为10.3℃,较常年同期(9.6℃)偏高0.7℃.其中,青海10月区域平均气温为1951年以来历史同期最高;浙江、西藏为次高.......
2009年9月,全国平均气温较常年同期偏高.福建、广东、云南、青海、四川的平均气温为1951年以来历史同期最高.全国平均月降水量较常......
该文论述了我国北方粉蛉７种，其中卷粉蛉属Ｈｅｌｉｃｏｃｏｎｉｓ及污褐卷粉蛉Ｈｅｌｉｃｏｃｏｎｉｓ（Ｈｅｌｉｃｏｃｏｎｉｓ）ｌｕｔｅａ为中国新记录，另包括粉蛉属Ｃｏｎｉｏｐｔｅｒｙｘ北方粉蛉Ｃｏｎｉｏｐｔｅｒｙｘ（Ｃｏｎｉｏｐｔｅｒｙｘ）ａｒｃｔｉｃａｓｐ．ｎｏｖ．、周氏粉蛉Ｃｏｎｉｏｐｔｅｒｙｘ（Ｃｏｎｉｏｐｔｅｒｙｘ）ｃｈｏｕｉ，ｓｐ．ｎｏｖ．、宽带粉蛉Ｃｏｎｉｏｐｔｅｒｙｘ（Ｃｏｎｉｏｐｔｅｒｙｘ）ｖｉｔｉｆｏｒｍｉｓ，ｓｐ．ｎｏｖ．３新种及圣洁粉蛉Ｃｏｎｉｏｐｔｅｒｙｘ（Ｃｏｎｉｏｐｔｅｒｙｘ）......
2001年田间小区试验研究了转Bt基因棉和转双价基因（Bt+CpTI)棉对棉苗蚜及其天敌种群动态的影响；室内研究了转基因抗虫棉对两种棉蚜天......
华北石炭纪岩溶型铝土矿的主要物质五源为下伏的晚牙世－中奥世碳酸盐岩。在 风化过程中，碳酸盐岩中活泼元素被带走，而残余的Ａｌ、Ｔｉ、Ｆｅ等惰......
采用几种方法分析了大同地震后华北地区的地震形势。根据地震活动和构造特征划分了研究区域，用作者提出的灰色线性预测模型及可公度......
