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[期刊论文] 作者：WANG Yuan,
来源：黑龙江科技学院学报 年份：2004
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7...
[期刊论文] 作者：Yuan Guiren,
来源： 年份：2004
Value stands for the significance of things,and concepts of value are ideas,opinions and attitudes about what kind of things are significant.Studies on the conc...
The Modified Upwind Finite Difference Fractional Steps Method for Compressible Two-phase Displacemen
[期刊论文] 作者：Yi-rang Yuan,
来源：黑龙江科技学院学报 年份：2004
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7...
[期刊论文] 作者：WANG Yuan,
来源：丝绸 年份：2004
补子名称的由来在史料上没有明确的记载,后人对于其名称的由来有着种种猜测.明代补子曾以"胸背"以及"花样"代称之,但这两者都不能算是补子的曾用名称,前者主要指的是纹样在服...
[期刊论文] 作者：YUAN Hongming,
来源：黑龙江科技信息 年份：2004
Grain size analysis and chemical analysis of heavy metals are made for 312 surface samples of the Jiaozhou Bay. Nineteen samples of the waste water taken from t...
[期刊论文] 作者：YUAN Liang,
来源：水动力学研究与进展B辑 年份：2004
In the paper, the concept of the heating network coupling is introduced. A mathematical modal of heating network in water power is established. The coupling deg...
[期刊论文] 作者：YUAN Yue,,
来源：海外英语 年份：2004
George Willard,an innocent adolescent in Winesburg,Ohio by Sherwood Anderson,is in search of answers in life.He is the only one who leaves the town and pursues...
[期刊论文] 作者：Xin Yuan,,
来源：China & the World Cultural Exchange 年份：2004
The Spring Festival is the most important traditional festival for the Chinese people.With the increase of China’s overall strength,more and more people from d...
[期刊论文] 作者：Yuan Yuan,Yong-Xiu Lai,Dan Wu,,
来源：中国电子科技 年份：2004
In this paper,tempo perception is investi-gated by recording spontaneous electroencephalograph (EEG).Ten normal male non-musician college students are selected...
Doebner condensation in ionic liquids [Bmim]BF4 and [Bpy]BF4 to synthesize α, β-unsaturated carboxyl
[期刊论文] 作者：Dong Jiang,Yuan Yuan Wang,Yan,
来源：中国化学快报（英文版） 年份：2004
Ionic liquids [Bmim]BF4 and [Bpy]BF4 were employed as environmentally benign media in Doebner condensation to synthesize α,β-unsaturated carboxylic acid. The...
Experimental Investigation on the Flow-induced Noise under Variable Conditions for Centrifugal Pumps
[期刊论文] 作者：YUAN Shouqi,YANG Jun,YUAN Jian,
来源：中国机械工程学报 年份：2004
With extensively using of centrifugal pumps,noise generation in these pumps is increasingly receiving research attention in recent years.The noise sources in ce...
[期刊论文] 作者：Zhong Zhang,Yuan Yuan,Hua Gao,,
来源：世界胃肠病学杂志 年份：2004
AIM: To study the relationship between Helicobacter pylori (H. Pylori) and gastric carcinoma and its possible pathogenesis by H. Pylori.METHODS: DNEL techniqu...
[期刊论文] 作者：Jin Yao,Guoxing Yuan,Yuan Liu,,
来源：黑龙江科技学院学报 年份：2004
Objective: Ultraviolet (UV) radiation is one of the important cataract risk factors. However, the pathogenesis is still poorly understood.The migration of human...
Determination of triazine herbicide residues in water samples by on-line sweeping concentration in m
[期刊论文] 作者：Shuai Hua Zhang,Yuan Yuan Yang,
来源：中国化学快报（英文版） 年份：2004
A new method for the determination of atrazine, simazine and prometryn in water samples by on-line sweeping concentration technique in micellar electrokinetic c...
Decadal Anomalies of Winter Precipitation over Southern China in Association with El Ni?o and La Ni?
[期刊论文] 作者：YUAN Yuan,LI Chongyin,YANG Son,
来源：气象学报（英文版） 年份：2004
Using multiple datasets, this paper analyzes the characteristics of winter precipitation over southern China and its association with warm and cold phases of El...
[期刊论文] 作者：Yuan Yuan,Frank Y.Shih,Ju Jing,
来源：天文和天体物理学研究 年份：2004
We present a new method for automatically forecasting the occurrence of solar flares based on photospheric magnetic measurements.The method is a cascading combi...
[期刊论文] 作者：PEI Ji,YUAN Shouqi,YUAN Jianpi,
来源：中国机械工程学报 年份：2004
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[期刊论文] 作者：Yuan Yuan Wang,Rong Wang,Liang,
来源：中国化学快报（英文版） 年份：2004
Fructone (2-methyl-2-ethylacetoacetate-1,3-dioxolane), a flavouring material, has been synthesized from ethyl acetoacetate and glycol using five water-soluble B...
[期刊论文] 作者：WANG Heng,HU Lian-xi,YUAN Yuan,
来源：中国有色金属学报（英文版） 年份：2004
In order to optimize the dehydriding process for producing nanocrystalline Mg alloy powders by hydriding-dehydriding treatment, nano-structured as-hydrided Mg-3...
[期刊论文] 作者：CHEN Yuan,WEN Yu-jin,CHEN Yuan,
来源：农业科学学报（英文版） 年份：2004
The higher survival rates of Helicoverpa amigera larvae were usually observed after adverse climate which was related to extreme temperature (T) and relative hu...
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