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[期刊论文] 作者:S. Hiansch,H. Schenuit,
来源:国外丝绸 年份:2004
这是发表于2003年4月8~10日法兰克福纺织学术研讨会的研究报告,论述了纱罗织造的新技术、新结构和新产品....
[期刊论文] 作者:Ghasemifard,S. M. Hosseini,,
来源:电子科技学刊 年份:2004
The piezoelectric properties of relaxor ferroelectric 0.65Pb(Mg1/3Nb2/3)O3-0.35PbTiO3 ceramic prepared by a sol-gel combustion method have been investigated as...
[期刊论文] 作者:S. Küppers,M.üreyen,
来源:国际纺织导报 年份:2004
新研发的ITV纱线扭结测试仪的问世,第一次使批量测试成为可能,还使对纱线扭结行为的测试结果具有了统计学上的重要意义.该仪器除能对纱线扭结行为进行测试外,还能分析不同纱...
[期刊论文] 作者:S. Purkayastha,P. Pandian,K.B.,
来源:国际纺织导报 年份:2004
预计2010年碳纤维的市场约为20亿美元,产量约为3.63万t.碳纤维制造工业的主要挑战是成本效率生产.随着成本的降低,其用途将急剧增加.能够直接从PBO纤维制备碳纤维,无需非常费...
[期刊论文] 作者:Trevor Williams,Nllesh S. Chit,
来源:中国病毒学 年份:2004
Programmed cell death (apoptosis) is a key host response to virus infection. Viruses that can modulate host apoptotic responses are likely to gain important opp...
[期刊论文] 作者:Manning,S. A. Chadd,
来源:国外畜牧学-猪与禽 年份:2004
本研究目的是分析商业化生产条件下的肉仔鸡饮水量数据以调查:[1]所获得的结果与其他研究结果之间的相互关系;[2]饮水量是否可以被客观地用作肉鸡健康和福利的量度标准;[3]总...
[期刊论文] 作者:Yafei JIA,Tadanori KITAMURA,S.,
来源:国际泥沙研究(英文版) 年份:2004
Gully erosion is one of the main causes of top soil loss, land deterioration and sources of sediment deposition in streams. Headcut often occurs in the gully er...
[期刊论文] 作者:José Luis López S.,
来源:Journal of Mountain Science 年份:2004
s: The removal of bed material from active river channels usually affects the bed profile of the streambed, causing progressive degradation upstream and downstr...
Analysis of the meiosis in the F1 hybrids of Longiflorum x Asiatic(LA) of lilies (Lilium) using geno
[期刊论文] 作者:Shujun Zhou,Munikote S. Ramann,
来源:遗传学报 年份:2004
Longiflorum and Asiatic lilies of the genus Lilium of the family Liliaeeae are two important groups of modern lily eultivars. One of the main trends of lily bre...
Provenance discrimination and Source-to-Sink studies from a dryland fluvial regime:An example from K
[期刊论文] 作者:S. 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...
Superlow-Frequency MHD-Eigenoscillations With a Discrete Spectrum in Parabolic Model of Magnetospher
[期刊论文] 作者:S. Leonovich,V.A. Mazur,
来源:空间科学学报 年份:2004
A new concept of the global magnetospheric resonator is suggested for fast magnetosonic waves in which the role of the resonator is played by the near part of t...
Densification behavior of mechanically milled Cu-8 at% Cr alloy and its mechanical and electrical pr
[期刊论文] 作者:S. Patra,Gouthama,K. Mondal,
来源:自然科学进展(英文版) 年份:2004
Synthesis and consolidation behavior of Cu–8 at% Cr alloy powders made by mechanical alloying with elemental Cu and Cr powders, and subsequently, compressive a...
Soil Organic Carbon Loss and Turnover Resulting from Forest Conversion to Maize Fields in Eastern Th
[期刊论文] 作者:S. JAIARREE,A. CHIDTHAISONG,N.,
来源:土壤圈(意译名) 年份:2004
Soil organic carbon (SOC) content and its stable carbon isotopic composition (within the upper 1 m) were measured to determine the effect of land-use changes fr...
Approximate dynamic programming solutions with a single network adaptive critic for a class of nonli
[期刊论文] 作者:Jie DING,S. N. BALAKRISHNAN,
来源:控制理论与应用(英文版) 年份:2004
Approximate dynamic programming (ADP) formulation implemented with an adaptive critic (AC)-based neural network (NN) structure has evolved as a powerful techniq...
Matrix Tensor Product Approach to the Equivalence of Multipartite States under Local Unitary Transfo
[期刊论文] 作者:GAO Xiu-Hong,S. Alberverio,FEI,
来源:理论物理通讯(英文版) 年份:2004
The equivalence of multipartite quantum mixed states under local unitary transformations is studied. A criterion for the equivalence of non-degenerate mixed mul...
[期刊论文] 作者:LEVCHENKO S. D.,VERSHININA E.,
来源:贵金属 年份:2004
The quality of semi-products of platinum metals and alloys,produced by way of plastic working,essentially depends on or,in many cases,is completely determined b...
α-Fe2O3 nanoparticles: An efficient, inexpensive catalyst for the one-pot preparation of 3,4-dihydro
[期刊论文] 作者:Nagabhushana,S. Sandeep Sau,
来源:中国化学快报(英文版) 年份:2004
This paper describes the combustion synthesis of α-Fe2O3 nanopowder at much lower temperature and its catalytic activity for the one-pot preparation of 3,4-dih...
Comparative study between gas phase and liquid phase for the production of DMC from methanol and CO2
[期刊论文] 作者:Ahmed Aouissi,Salem S. Al-Deya,
来源:天然气化学(英文版) 年份:2004
Direct synthesis of dimethyl carbonate (DMC) from methanol and carbon dioxide over Co1.5PW12O40 in liquid and in gas phase is investigated.The synthesized catal...
[期刊论文] 作者:Dragana S. Cvetkovic,Jelena Lj,
来源:数学物理学报(英文版) 年份:2004
In this article,the expression for the Drazin inverse of a modified matrix is considered and some interesting results are established.This contributes to certai...
[期刊论文] 作者:Priyanka Singh,S. Solomon,Priy,
来源:广西农业科学 年份:2004
甘蔗收获后蔗糖分降低是蔗糖加工单位的主要问题之一,特别是那些在高温下持续压榨的地区.通过研究评估榨季后期甘蔗收获后蔗糖分的损失量及其与酸性转化酶和葡聚糖蔗糖酶活性...
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