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[期刊论文] 作者:K.Singha,K.Anupam,P.Debnath,S.,
来源:国际纺织导报 年份:2004
采用化学气相沉积法(CVD)制备硼纤维.硼可沉积于钨丝、玻璃或石墨长丝上.采用此种方法得到的硼纤维的公称直径为0.1~0.2 mm.硼纤维密度低、拉伸强度高、弹性模量较高,且纤维非...
[期刊论文] 作者:Wilden,S. Jahn,
来源:热喷涂技术 年份:2004
在铝行业中,因铝熔体强烈的腐蚀性以及铸造过程中存在的热交换和高机械负荷,降低了铸造模具的寿命.使用烧结镶嵌的高钨伪合金可将铸造模具寿命延长1000倍.而由涂层代替烧结镶...
[期刊论文] 作者:Yoshiya,S. Shigemura,
来源:热喷涂技术 年份:2004
本文介绍的一种造纸工业用棍,主要是由碳纤维增强塑料(CFRP)组成,被称为"碳纤维辊环".碳纤维辊相对于金属辊具有质量轻、惯性低、偏转角低和固有频率高等优点.今天,碳纤维辊...
[期刊论文] 作者:S. St-Laurent,F. Chagnon,
来源:粉末冶金工业 年份:2004
温压技术是由在加热的阴模中压制预热的粉末组成[1],已知温压有助于零件密实,从而改进烧结件的性能[2,3].温压需要在适合温压的温度范围内进行.特别是,粉末混合粉应具有好的...
[期刊论文] 作者:S. Yazdani,M. Ardestani,
来源:中国铸造 年份:2004
The effect of sub-zero cooling on microstructure and mechanical properties of a low alloyed austempered ductile iron has been investigated. Austempering of samp...
[期刊论文] 作者:Valentina S. Markevich,Eugenia,
来源:世界地质(英文版) 年份:2004
It was conducted the comparison of palynological assemblages of the Middle Tsagayan,Upper Tsagayan subformations,Furao and Wuyun formations from Zeya-Bureya Bas...
[期刊论文] 作者:L.C.Chang,I.C.Hsui,L.H.Chen,S.,
来源:北京科技大学学报(英文版) 年份:2004
The erosion behavior of austempered ductile irons austenized at different temperatures was studied. The results indicate that the erosion rate well correlates w...
[期刊论文] 作者:Madison,S. Jones,
来源:清华大学学报(英文版) 年份:2004
The field of atomic ionization by electron impact is several decades old. In that period of time, significant progress has been made in several aspects of the p...
[期刊论文] 作者:Ponalagusamy,S. Senthilkuma,
来源:国际自动化与计算杂志(英文版) 年份:2004
A new Runge-Kutta (PK) fourth order with four stages embedded method with error control is presented in this paper for raster simulation in cellular neural netw...
[期刊论文] 作者:Jayashree,S. Subbaraman,
来源:国际纺织导报 年份:2004
织物疵点诸如断经、双纬、局部微小疵点,以及稀纬和松纬,都会出现在喷气织机或剑杆织机织造的平纹衬衫坯布中,因此,这些疵点对织物的质量控制至关重要。讨论了应用由傅里叶变换获......
[期刊论文] 作者:S. Selvasekarapandian,G. Hiran,
来源:复旦学报(自然科学版) 年份:2004
1IntroductionProton conducting solid polymer electrolytes have been extensively studied due to their potential applications in electrochemical devices such as b...
ADAPTIVE DELAUNAY TRIANGULATION WITH MULTIDIMENSIONAL DISSIPATION SCHEME FOR HIGH-SPEED COMPRESSIBLE
[期刊论文] 作者:Dechaumphai,S. Phongthanapa,
来源:应用数学和力学(英文版) 年份:2004
Adaptive Delaunay triangulation is combined with the cell-centered upwinding algorithm to analyze inviscid high-speed compressible flow problems. The multidimen...
[期刊论文] 作者:Valery G.Romanovski,Douglas S.,
来源:上海师范大学学报(自然科学版) 年份:2004
...
[期刊论文] 作者:S.Pawar,S. S.Khopade,
来源:模糊系统与数学 年份:2004
In this paper,we initiate a study of S-fuzzy ideal (filter) of a lattice where S stands for a meet semilattice.A S fuzzy prime ideal (filter) of a lattice is de...
[期刊论文] 作者:S.麦哨德,
来源:光电子·激光 年份:2004
本文描述了一个紧凑的封离型,RF激励全金属CO2激光器的构造和基本特性,这种激光器有着一系列优点,例如:低成本,冷却好,易装配,稳定性好,长寿命和轻便等,用这个小型设备,在375...
[期刊论文] 作者:Satheeshkumar,S. Shantikuma,
来源:药物分析学报(英文) 年份:2004
Pioglitazone is an oral anti-hyperglycemic agent. It is used for the treatment of diabetes mellitus type 2. It selectively stimulates nuclear receptor peroxisom...
[期刊论文] 作者:S. Pawar,
来源:模糊系统与数学 年份:2004
Our main objective is to study properties of a fuzzy ideals (fuzzy dual ideals). A study of special types of fuzzy ideals (fuzzy dual ideals) is also furnished....
[期刊论文] 作者:G.VAIRAMANI,T.SENTHIL KUMAR,S.,
来源:中国有色金属学报(英文版) 年份:2004
在奥氏体不锈钢与铜合金异种材料摩擦焊接过程中,采用响应面方法优化摩擦焊接工艺参数,以获得抗拉强度最大和界面硬度最小的焊接接头。采用三因素、五水平中心复合正交矩阵来确......
[期刊论文] 作者:THIRUMURUGAN,S. KUMARAN,
来源:中国有色金属学报(英文版) 年份:2004
挤压比为4:1,将铸态AZ91镁合金分别在250,300和350°C下进行挤压,随后进行析出硬化处理(T6)。经过热挤压和析出硬化处理后,铸态AZ91镁合金中粗大的和偏析Mg17Al12析出相被细化并均...
Influence of Fouling Assemblage on the Corrosion Behaviour of Mild Steel in the Coastal Waters of Th
[期刊论文] 作者:Subramanian,S. Palanichamy,
来源:船舶与海洋工程学报(英文版) 年份:2004
Corrosion behaviour and biofouling characteristics of mild steel in three different coastal locations in the Gulf of Mannar, India have been studied over a peri...
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