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[期刊论文] 作者:P. QIAN,J. J. SCHOENAU, 来源:土壤圈(意译名) 年份:2004
A growth chamber study was conducted to determine the relationships between the supply of soil available nitrogen (N) and sulfur (S) and canola (Brassica napus)...
[期刊论文] 作者:Cristiane P. G. Calixto,Gustav, 来源:植物学报 年份:2004
The pistil, the female reproductive organ of plants, is a key player in the success of sexual plant reproduction. Ultimately, the production of fruits and seeds...
[期刊论文] 作者:Li Weiguo,Janok P. Bhattachary, 来源:石油科学(英文版) 年份:2004
Delta asymmetry forms in wave-influenced settings where there is strong net longshore drift.Asymmetric deltas typically have two sediment sources and are charac...
[期刊论文] 作者:P. PRIZOMWALA,Nilesh BHATT,, 来源:国际泥沙研究(英文版) 年份:2004
Tracing the sediment delivery from its source terrain to its ultimate sink envisage multiple factors that play a vital role in understanding present day erosion...
[期刊论文] 作者:P. T. Torstensson,J.C.O. Niels, 来源:都市快轨交通 年份:2004
在小半径曲线的内轨侧出现钢轨短波波磨加剧的现象,是世界上许多铁路网都面临的一个问题.由于地铁线路小半径曲线大量存在,受其影响尤为突出.本文为一实例研究,属于一个研发...
[期刊论文] 作者:VEDAGIRI P.,ARASAN V.T.,VEDAGI, 来源:交通运输系统工程与信息 年份:2004
研究印度城市道路上设置公交专用道后小汽车出行向公交转移的可能性.借助新的混合交通流仿真模型测定设置公交专用道后公交服务水平改善状况.基于陈述偏好入户调查的抽样数据...
[期刊论文] 作者:SCHIBLI,P., 来源:核技术 年份:2004
Small peptide-based compounds have attracted an enormous interest as carrier molecules to selectively deliver radionuclides to target tissues, sparing critical...
[期刊论文] 作者:J.L.Kane,P. Kulinich,C.M.Kuo,W, 来源:高能物理与核物理 年份:2004
Recent measurements of event-by-event elliptic flow in Au+Au collisions at √SNN = 200GeV exhibit large relative fluctuations of about 40%-50%. The data are wel...
[期刊论文] 作者:PALANIVEL,P. KOSHY MATHEWS,, 来源:中国有色金属学报(英文版) 年份:2004
研究异种搅拌摩擦焊AA5083-H111和AA6351-T6铝合金的微观结构和力学性能。在3种不同的焊接速度(36、63、90 mm/min)下焊接AA5083-H111和AA6351-T6铝合金,分析焊接速度对接头力...
[期刊论文] 作者:Maarten Clements,Eugene P. van, 来源:基因组、蛋白质组与生物信息学报(英文版) 年份:2004
The common approach to find co-regulated genes is to cluster genes based on gene expression. However, due to the limited information present in any dataset, gen...
[期刊论文] 作者:P. Gopinath, 来源:基因组、蛋白质组与生物信息学报(英文版) 年份:2004
The homeobox (Hox) genes form an evolutionarily conserved family encoding transcription factors that play major roles in segmental identity and organ specificat...
[期刊论文] 作者:P. Soni,V. M. Salokhe, 来源:仿生工程学报(英文版) 年份:2004
A number of investigations into application of polymers for macro-morphological modification of tool surface have been carried out. These researches, with exten...
[期刊论文] 作者:Kalika P. Upadhyay,Doug George, 来源:农业科学学报(英文版) 年份:2004
Pot experiments were conducted in a glasshouse to determine the growth pattern of lettuce, true potato seedlings (TPS) and single node cuttings of TPS in respon...
[期刊论文] 作者:P. Parameswaran,Ilse Papst,F., 来源:材料科学技术学报(英文版) 年份:2004
Electron enregy loss spectroscopy (EELS) and energy filtering transmission electron microscopy (EFTEM) investigation on 2.25Cr-1Mo steel was carried out to unde...
[期刊论文] 作者:PAVENTHAN,P. R. LAKSHMINARA, 来源:中国有色金属学报(英文版) 年份:2004
搅拌摩擦焊是一种固态连接工艺,具有低的热量输入、高的生产效率、容易操作和环境友好等优点而被广泛使用.搅拌摩擦焊能够焊接不同类型的黑色金属和有色金属,而传统的熔焊则...
[期刊论文] 作者:DHAKAL, Bhim P.,RYNTATHIANG, T, 来源:建筑砌块与砌块建筑 年份:2004
本文介绍一种以二维有限元(ANSYS)模型对厚度75mm和100mm的一种连锁混凝土路面砖路面,进行车轮通过路面加速试验时的受力分析。路面砖是一种采用蜂窝状塑料模型成型、形成连锁,...
[期刊论文] 作者:Allen P. Nutman,Ronni Maciejow, 来源:地学前缘(英文版) 年份:2004
A diverse suite of Archaean gneisses at Huangbaiyu village in the North China Craton, includes rare fuchsite-bearing (Cr-muscovite) siliceous rocks e known as t...
[期刊论文] 作者:Nilesh P. Tale,Girdharilal B., 来源:中国化学快报(英文版) 年份:2004
An environmentally benign un-catalyzed one-pot synthesis of 4,4-(arylmethylene)bis(7H-pyrazol-5-ols) has been reported via tandem Knoevenagel-Michael reaction o...
[期刊论文] 作者:Minyoung Kim,Charles P. Gerba,, 来源:环境科学学报(英文版) 年份:2004
In the present study, a physically-based hydraulic modeling tool and a data-driven approach using artificial neural networks (ANNs) were evaluated for their abi...
[期刊论文] 作者:Gatselis,Sarah P., 来源:世界胃肠病学杂志(英文版) 年份:2004
AIM: Various side effects have been reported in patients infected with hepatitis C virus (HCV) who were treated with interferon-alpha (IFN-α), including the ap...
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