本文主要介绍了现有国际互联网、有线电视网、电信网下多媒体业务的模型,并分析它们各自的优缺点,并设想在未来统一的TINA平台下多......

该文介绍了网络防火墙中的代理技术及特点，分析了代理服务和其它类型防火墙的优缺点，并提出了一种具有认证功能的FTP代理服务器模型......

Over the past decade,the Mg/Ca ratio in foraminiferal tests has emerged as a valuable paleotemperature proxy.In this stu......

A 350-cm-long sediment core sequence from Dahu Swamp situated in the eastern Nanling Mountains was selected for high-res......

The grain size and palinology of sediment and the frequency of 14C dada provide an integrated reconstruction of the Holo......

The Middle East and North Africa(MENA) region has endured several major events of infection parenteral transmission. Rec......

http：//www.proxy4free.com／index.html...

专业级抗DDOS防火墙。彻底防御SYN／ACK／UDP／ICMP／PROXY／全连接等DOS和DDOS攻击！...

Magnetic, granulometric and geochemical analyses were conducted on an intertidal sediment core from the Yangtze Estuary ......

A threshold proxy quantum signature scheme with threshold shared verification is proposed. An original signer could auth......

全新smart fortwo全方位升级,车身比例仍然独具一格,保留了2 69米的经典尺寸,并使它成为全球最小转弯直径(仅6.95米)的量产车;车身......

Short sediment cores retrieved from Bosten Lake, the largest inland freshwater lake in China, were used to explore humid......

OXYGEN isotope compositions of organic matter in geological archives, such as treé rings, peats, lake sediments and pa......

Traditionally, the mid-Holocene in most parts of China was thought to be warmer with higher precipitation, resulting fro......

From the last deglaciation to the Holocene, the Greenland Ice Core (GISP2) δ 18O records as well as the records of ice-......

PAPERSThe Analysis on Asynchronous Freequency- Time Spreading OCDMA System with Modified Prime CodeMA Wen- hua　 ZUO Cha......

We review here proxy records of temperature and precipitation in China during the Holocene,especially the last two mille......

Design and Implementation of the Motion Compensation Module for HDTV Video Decoder……………………………WANG Tao(王 涛),......

IN the study of the Quaternary climate,people have made quantitative estimates of paleocli-mate by using linear relatio......

The Zoige Basin is located in the eastern margin of the Qinghai-Xizang Plateau, in which two cores, RH and RM, have been......

The high-resolution and multi-proxy analysis of lacustrine sediments from the Gucheng Lake has revealed the palaeodimati......

第一次知道索尼F5这个机器,缘于今年年初的一个法国客户。当时这个客户非常热衷于F5,对这台机器以及所有配件、拍摄条件都有很明确......

Our research group have investigated chronology and sedimentology of terrestrialsediments including loess-paleosols sed......

The loess and desert transitional zone of China responses sensitively to the Asian monsoon fluctuations. A high resolut......

The magnetic susceptibility in the Chinese loess is considered to have recorded thehistory of pedogenesis or land-surfa......

An investigation of rock magnetic properties using the temperature-dependence ofsusceptibility （TDS） and the coercivity of......

The advantages of thermal methods for mineral-magnetic research of loess/paleosolsequences are illustrated in an introd......

There have been a number of investigations for examining the possible link between long-term climate variability and sol......

The studies of the oxgen and carbon isotopes of the rainwater in Guilin area, the drip water and the present carbonate d......

Erhai Lake is a large lake with important climatic significance in Yunnan Province, southwest China. The multi-proxy sed......

Chemical analysis of acid-insoluble fractions in loess and paleosols shows that concentrations of Fe and Mg were under c......

Coretop sediment samples covering water depth from 247 to 1474 m in the Northwestern Indian Ocean were analyzed. 6 speci......

A compilation of paleoclimate records from ice core, tree-rings, lake sediments and historical documents provides a view......

Magnetic, granulometric and geochemical analyses were conducted on an intertidal sediment core from the Yangtze Estuary ......

The orbital and interior climatic cycles can be found both in the Bengal Deep Sea Fan and Ninetyeast Ridge, North Indian......

Considerable research is now focusing on abrupt Holocene changes at millennial- and centennial-scales all over the world......

Low magnetic susceptibility, low Sr content and hence high Rb/Sr ratio in the lake sediment sequence indicate a weak che......

The study on magnetic properties of the red clay indicates that the red clay and loess-paleosol sequence have a common m......

A synthetic study is made on the global or hemispheric mean temperature series for the last millennium worked out by Ma......

To find a new index of winter monsoon without effects of chemical weathering and pedogenesis is an important task in loe......

Quasi-periodicity of temperature changes on the millennial scale is found according to the proxy data both from histori......

This special issue of Chinese Science Bulletin arose from a symposium entitled 揂brupt EnvironmentalChanges in Arid Asia......

The paleoclimate data recovered from ice cores, tree rings and lake sediments indicate regional features of climatic cha......

A glacial stalagmite chronology from Nanjing has been established by the TIMS-U series dating and annual band counting m......

In this article we report a new and sensitive palaeoclimate proxy indicator-humification degrees of peat. Based on the ......

The δ18O variations in an 80.36 m ice core retrieved in the accumulation zone of the East Rongbuk Glacier, Mount Qomola......

Hematite is an important iron oxide mineral in loess-paleosol sequences in central China. Investigation of the mineralog......

The Yongxing Island is the biggest island of Xisha Islands in the middle part of the South China Sea. It occupies 1.8 sq......

Chinese loess deposits are some of the best continental records of palaeoclimatic and pa- laeoenvironmental changes in t......

随着Internet和计算机技术的飞速发展，嵌入式系统呈现巨大的市场需求，成为当今IT产业的焦点之一，其应用领域涉及通信、自动化、信息家......