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Unit 13 We're trying to save the earth!
《时代英语(初中)》2022年第6期79-84,7,共7页
第一课时Section A(1a—2d)Ⅰ.根据首字母及句意补全单词。1.You mustn’t throw them about after you use p__ bags.
关键词:第一课时 EARTH trying 
Rare Earth Elements in Manganese Nodules from the Central Pacific Ocean
《Acta Geologica Sinica(English Edition)》1992年第4期371-383,共13页Guo Shiqin Sun Wenhong China Ocean Mineral Resources Research and Developmetn Association Institute of Mineral Deposits, Chinese Academy of Geological Sciences Liu Linqun 
Manganese nodules in areas CP and CC of the central Pacific are rich in REE. Comparatively speaking,the REE contents of nodules in area CP are hihger than those in area CC; and the REE contents of nodulesfrom seamount...
关键词:manganese nodule rare earth element PACIFIC 
Effect of Ce on Inclusions and Impact Property of 2Cr13 Stainless Steel被引量:25
《Journal of Iron and Steel Research International》2010年第12期59-64,共6页LIU Xiao YANG Ji-chun YANG Lin GAO Xue-zhong 
Item Sponsored by National Natural Science Foundation of China(50364001)
The effect of Ce on inclusions and impact toughness of 2Cr13 stainless steel were studied by SEM and electron spectroscopy. Thermodynamic calculation was used to analyze the formation of RE inclusions in 2Cr13 stainle...
关键词:rare earth 2Cr13 stainless steel INCLUSION thermodynamic calculation impact property 
基于Google Earth和Sketch Up的虚拟校园建设被引量:12
《吉林建筑工程学院学报》2011年第2期22-24,共3页于雪芹 张涛 尹楠 肖扬 
笔者利用地图发布平台Google Earth获取待建虚拟校园的基础平面数据,选取Sketch Up在基础平面数据上快速有效地建立虚拟校园三维模型,并将其无缝地运行在Google Earth上,从而实现虚拟校园的网上发布,可以进行数据的快速浏览和共享.
关键词:虚拟校园 GOOGLE EARTH SKETCH Up 
Enhancement of photoluminescence in Sr_2CeO_4 phosphors by doping with non-rare earth impurities
《Chinese Physics B》2011年第7期472-476,共5页薛书文 王恩过 张军 
Project supported by the National Science Foundation for Post-doctoral Scientists of China (Grant No.20090461331)
Non-rare earth impurity doped Sr2CeO4:X (X :Zn, Hg, Al, Ag, Cr) phosphors are prepared by using the combustion method. The structural and photoluminescent properties of the as-prepared phosphors are investigated b...
关键词:Sr2CeO4 phosphor PHOTOLUMINESCENCE non-rare earth impurity 
Earth tide of ground tilt at stations of Qianxian and Xi′an and it stectonic explanation
《Acta Seismologica Sinica(English Edition)》1997年第2期124-128,共5页张惠玲 
EarthtideofgroundtiltatstationsofQianxi┐anandXi′ananditstectonicexplanationHUI-LINGZHANG(张惠玲)SeismologicalBu...
关键词:GROUND 张惠 EARTH 
Mechanized Tunneling in Soft Soils: Choice of Excavation Mode and Application of Soil-Conditioning Additives in Glacial Deposits被引量:6
《Engineering》2017年第6期863-870,共8页Roll Zumsteg Lars Langmaack 
The history of the formation of the alpine region is affected by the activities of the glaciers, which have a strong influence on underground works in this area. Mechanized tunneling must adapt to the presence of soun...
关键词:Soil conditioning Earth pressure balanced shield Slurry shield Mechanized tunneling 
Generation of high spatial and temporal resolution NDVI and its application in crop biomass estimation被引量:6
《International Journal of Digital Earth》2013年第3期203-218,共16页Jihua Meng Xin Du Bingfang Wu 
The research was supported by National Natural Science Foundation of China,Nos.40801144 and 41171331;Knowledge Innovation Program of CAS,No.KSCX1-YW-09-01;the National Key Technology R&D Program,No.2008BADA8B02.
While data like HJ-1 CCD images have advantageous spatial characteristics for describing crop properties,the temporal resolution of the data is rather low,which can be easily made worse by cloud contamination.In contr...
关键词:high spatial and temporal resolution NDVI crop biomass Digital Earth data fusion 
QoS-Aware Computation Offloading in LEO Satellite Edge Computing for IoT:A Game-Theoretical Approach被引量:1
《Chinese Journal of Electronics》2024年第4期875-885,共11页Ying CHEN Jintao HU Jie ZHAO Geyong MIN 
Project of Cultivation for Young Top-motch Talents of Beijing Municipal Institutions (Grant No. BPHR202203225);Young Elite Scientists Sponsorship Program by BAST (Grant No. BYESS2023031);National Key Research and Development Program of China (Grant No. 2022YFF06 04502)。
Low earth orbit(LEO) satellite edge computing can overcome communication difficulties in harsh environments, which lack the support of terrestrial communication infrastructure. It is an indispensable option for achiev...
关键词:QUALITY-OF-SERVICE Computation offloading Low earth orbit satellite edge computing Internet-of-things Game theory 
Fatigue Strength Improvement of Welded Joint by Ultrasonic Peening in Ultra-Fine Grain Steel被引量:2
《Journal of Iron and Steel Research International》2003年第3期64-66,共3页TIAN Zhi-ling ZOU Gang HE Chang-hong ZHANG Xiao-mu 
Item Sponsored by National Key Fundamental Research Development Project of China(1998061500)
The influence of rare earths (RE) on carbides in high carbon steel weld metal was studied by transmission electron microscope (TEM) and energy dispersive X ray microanalysis (EDX). It is found that rare earth markedl...
关键词:rare earth metal CARBIDE WELD 
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