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Pollination systems, biogeography, and divergence times of three allopatric species of Schisandra in
[期刊论文] 作者:Jian-Hua FAN,Leonard B. THIEN,,
来源:植物分类学报 年份:2004
This study analyses the pollination systems and biogeography of three allopatdc species of Schisandra (Section Euschisandra) consisting of S.glabra (North Ameri...
Chlorophyll, anthocyanin, and gas exchange changes assessed by spectroradiometry in Fragaria chiloen
[期刊论文] 作者:Miguel Garriga,Jorge B. Retama,
来源:植物学报(英文版) 年份:2004
Chlorophyl and anthocyanin contents provide a valuable indicator of the status of a plant’s physiology, but to be more widely utilized it needs to be assessed...
[期刊论文] 作者:B.阿德尼伊,
来源:水利水电快报 年份:2004
尼日利亚于20世纪60年代兴建的卡因吉多目标工程,是该国水利和能源基础设施的重要组成部分.虽然最近几年对工程个别部位进行了修理和改造,但始终没有开展全面的修复改造.现正...
[期刊论文] 作者:Er.Shri Ram CHAURASIA,Pande B.,
来源:国际泥沙研究(英文版) 年份:2004
This paper summarizes the design equations for local scour depth around bridge abutments as proposed by different investigators, and also the different factors,...
[期刊论文] 作者:Alexander B. ZOLOTOV,Payel A.A,
来源:北京建筑工程学院学报 年份:2004
对结构分析中的离散-连续有限元法(DCFEM)进行了研究.给出了该方法的运算及变分公式.对于在一个方向物理及几何参数为常量的结构,其离散一连续设计模型是建立在所谓的离散一...
Zirconyl Chloride Promoted Highly Efficient Domino Synthesis of New 1, 2, 3, 4-Tetrahydroquinoline D
[期刊论文] 作者:NAGAWADE,Devanand B.,
来源:中国化学快报(英文版) 年份:2004
The tetrahydroquinoline moiety is a structural feature of many natural products. By using a domino reaction of aromatic amines and cyclic enol ethers catalyzed...
[期刊论文] 作者:Esabi B. KURBANOGLU,Mesut TASK,
来源:催化学报 年份:2004
(S)-1-(2-chlorophenyl)ethanol is a key intermediate of L-cloprenaline used for relieving asthma symptoms. The asymmetric reduction of 2-chloroacetophenone 1 to...
[期刊论文] 作者:Rumpa Chakraborty,B. N. Mandal,
来源:船舶与海洋工程学报(英文版) 年份:2004
The problem of water wave scattering by a thin vertical elastic plate submerged in uniform finite depth water is investigated here. The boundary condition on th...
Preliminary assessment of nasopharyngeal carcinoma incidence in the Philippines:a second look at pub
[期刊论文] 作者:Mario Paulus Cesar B. Sarmient,
来源:癌症(英文版) 年份:2004
In endemic regions such as southern China and Southeast Asia, the annual incidence of nasopharyngeal carcinoma (NPC) ranges from 3 to 30 per 100,000. In the Phi...
[期刊论文] 作者:Richard B. HARRIS,ALI Abutalip,
来源:兽类学报 年份:2004
大型野生动物种群数量估算的理想条件是使用数学模型以及严格的实验设计来选择样本.可是,野外条件状况往往违背数学模型假设前提,不可能随机地选择样本.于是,计算的结果不但...
Alterations in seedling vigour and antioxidant enzyme activities in Catharanthus roseus under seed p
[期刊论文] 作者:KARTHIKEYAN B.,JALEEL C.A.,GOP,
来源:浙江大学学报B(英文版) 年份:2004
An experiment was conducted on Catharanthus roseus to study the effect of seed treatments with native diazotrophs on its seedling growth and antioxidant enzyme...
Model-based Comparative Prediction of Transcription-Factor Binding Motifs in Anabolic Responses in B
[期刊论文] 作者:Andy B. Chen,Kazunori Hamamura,
来源:基因组、蛋白质组与生物信息学报(英文版) 年份:2004
Understanding the regulatory mechanism that controls the alteration of global gene expression patterns continues to be a challenging task in computational biolo...
Comparative study on glutathione transferases of rat brain and testis under the stress of phenobarbi
[期刊论文] 作者:THYAGARAJU K.,HEMAVATHI B.,VAS,
来源:浙江大学学报B(英文版) 年份:2004
A comparative study was made on the tissue specific expression of glutathione transferases (GST) in brain and testis after exposure of rat to phenobarbitol (PB)...
Effects of heat and mass transfer on nonlinear MHD boundary layer flow over a shrinking sheet in the
[期刊论文] 作者:Kandasamy,Azme B.,
来源:应用数学和力学(英文版) 年份:2004
This work is concerned with Magnetohydrodynamic viscous flow due to a shrinking sheet in the presence of suction. The cases of two dimensional and axisymmetric...
[期刊论文] 作者:B. F. CУДАРЕВ,高路,
来源:国外铁道车辆 年份:2004
介绍了13-3115-01型大车辆定距集装箱平车的底架结构及其可降低应力集中的结构特点,以及平车疲劳强度的试验结果....
[期刊论文] 作者: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:Lewis B. Morgenstern,J. Claude,
来源:国际脑血管病杂志 年份:2004
目的 本指南旨在为急性自发性脑出血的诊断和治疗提供最新的综合性推荐意见.方法 通过Medline进行规范的文献检索,利用证据表合并资料.撰写委员会成员通过远程电信会议讨论根...
[期刊论文] 作者:B.И.米尔顿,郑永旺,
来源:求是学刊 年份:2004
人存在于自然之中,但人不是一般意义上的自然之物,因为人拒绝接受肉体腐烂后思想的荒芜,于是,人开始对自身存在的价值进行深度思考,其结果是,人拒绝承认自己和动植物具有相同...
[期刊论文] 作者:B.迈克尔,张向荣,
来源:水利水电快报 年份:2004
泥沙沉积正严重地威胁着萨斯奎汉纳河下游流域内几座水库有限的库容,且已引起公众密切关注.目前美国实施的“萨斯奎汉纳河下游流域评估”计划,正致力于解决该问题.从泥沙沉积...
[期刊论文] 作者:B.史密斯,单继刚,
来源:世界哲学 年份:2004
本文原是发表在《泰晤士报》上的一封信,反映了分析哲学家对德里达哲学的基本看法,如认为德里达的作品不符合公认的清晰、严谨标准,令人难以理解等等....
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