搜索筛选:
搜索耗时1.2931秒,为你在为你在102,285,761篇论文里面共找到 1,000 篇相符的论文内容
类      型:
[期刊论文] 作者:Bing Fu LEI,Ying Liang LIU,Ze, 来源:中国化学快报(英文版) 年份:2004
A novel white light emitting long-lasting phosphor Cd1-xDyxSiO3 is reported in this letter....
[期刊论文] 作者:XIE Youjun,LIU Yunhua,LONG Gua, 来源:武汉理工大学学报(材料科学版)(英文版) 年份:2004
To investigate the durability, especially the long-term stability of cement-based materials with very...
[期刊论文] 作者:LEI Bingfu,Liu Yingliang,YE Ze, 来源:科学通报 年份:2004
earth ions doped CdSiO3:RE3+(RE=Y, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu) multi-color long-lasting...
[期刊论文] 作者:, 来源:机械工程材料 年份:2004
对挤压态ZE10镁合金在300~400℃及应变速率10-4~10-2s-1条件下进行了超塑性拉伸试验研究.结果表明:晶粒约为5μm的ZE10镁合金挤压材,在350℃及应变速率为4.80×10-3s-1条件下即...
[期刊论文] 作者:李潼, 张华, 邱金友,, 来源:制冷技术 年份:2004
低全球变暖潜能值(Global Warming Potential,GWP)制冷剂R1234ze(E)作为R410A较为理想的替代品而被关注。但是纯R1234ze(E)的热力学性能和传输特性并不出色。...
[期刊论文] 作者:, 来源:China's Foreign Trade 年份:2004
Long Yongtu conjures up in people's mind the long and formidable negotiations China has gone through...Long...
[期刊论文] 作者:LI Yong Le,SU Yang,XIA Fei Long,ZHANG Nan,, 来源:Science China(Technological Sciences) 年份:2004
An analytical model is presented to study vertical dynamic response of the ballastless track on long-span...
[期刊论文] 作者:Ze Dong, 来源:中兴通讯技术:英文版 年份:2004
Nyquist wavelength-division multiplexing (N-WDM) allows high spectral efficiency (SE) in long-haul transmission...
[期刊论文] 作者:, 来源:重庆邮电学院学报(自然科学版) 年份:2004
The problem of long transactions is a significant problem in spatial database....The checkout mechanism and multi version mechanism are two kind methods of solving the problem of long...
[期刊论文] 作者:PAN Zhengwei,CHANG Baohe,SUN L, 来源:中国科学A辑(英文版) 年份:2004
Very long and open aligned carbon nanotubes that reach about 2 mm long, an order of magnitude longer...
[期刊论文] 作者:赵慧颖, 来源:科技促进发展 年份:2004
在很多机器上的输入齿轮轴,都具有模数小、齿数少、形状细长的特点,公司现有的磨齿加工设备,大多数是在ZE800S型磨齿机上加工,在加工的时候会出现各种误差,本文针对具体情况...
[期刊论文] 作者:, 来源:Reading and Composition(Senior High)(English) 年份:2004
在这里,我们要给大家讲两个以long这个词为主的习惯用语。大家都知道,long就是长。...第一个非常常用的口语,也是俗语,就是Over the long haul.HaulHere, we want to tell you...
[期刊论文] 作者:AN Shi-Zhong,Klaus Bongardt,Ru, 来源:中国物理C(英文版) 年份:2004
The storage of long bunches for long time intervals needs flattened stationary buckets with a large bucket...
[期刊论文] 作者:李宏凯, 李雨彤, 范明达, 王洪斌, 王忠军,, 来源:特种铸造及有色合金 年份:2004
采用带有加热装置的MTS810液压伺服拉伸试验机,研究了ZE42镁合金板材的高温拉伸变形行为,应变速率的取值为0.000 3~0.17s-1,变形温度为300~450℃,采用Z参数和材料动态模型(DMM...
[期刊论文] 作者:Li Qun Teng Xiaoming, 来源:中国稀土学报:英文版 年份:2004
Progress of studies on various multi-color long afterglow luminescence materials was reviewed.Two luminescent...mechanism of long afterglow behavior were discusse...
[期刊论文] 作者:Huang Yina,Jiang Xinye,Cai Qia, 来源:稀土学报(英文版) 年份:2004
A new kind of rare earth material with high efficient long-persistent phosphors, such as SrAl2O4:Eu,...The PMMA with long-...
[期刊论文] 作者:, 来源:材料热处理学报 年份:2004
How to improve the wear resistance of bearing surfaces, hereby achieving long life of orthopaedic joint...prostheses has long been a technical challenge with much...
[期刊论文] 作者:HONG Lin,TAKASE Keiji,SATO Koi, 来源:环境科学学报(英文版) 年份:2004
In this study, the characteristics of the long term discharge of a Terraced Paddy Field Catchment are...
[期刊论文] 作者:刘菊,杨春,唐安芬,陈霄,何敏,雍雪飞, 来源:中国微生物学会第4届感染与免疫及生物制品学术研讨会 年份:2004
建立可稳定收获高滴度RSV Long株病毒的培养方式,所获得的RSV Long株病毒液用于RSV抗体ELISA检测.RSV Long株病毒33℃传至4代后,病毒滴度升高,出现典型的细胞病变.以RSV Long...
[期刊论文] 作者:, 来源:China\'s Foreign Trade 年份:2004
China and Romania, over the past 55 years, have maintained a long and standing friendship, mutual solidarity...
相关搜索: