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[期刊论文] 作者:Jayant P. Sangole,Gopal R. Pat, 来源:现代交通学报(英文版) 年份:2004
Gap acceptance theory is broadly used for evaluating unsignalized intersections in developed coun-tries. Intersections with no specific priority to any move-men...
[期刊论文] 作者:Andrei P. Sommer,Dan Zhu,Matth, 来源:仿生工程学报(英文版) 年份:2004
There is increasing observational evidence indicating that crystalline interfacial water layers play a central role in evolution and biology. For instance in ce...
[期刊论文] 作者:P. N. Dutta,Binayak S. Choudhu, 来源:分析、理论与应用(英文版) 年份:2004
In the present paper we use a control function to define a generalized contraction in Menger spaces and obtain a unique fixed point theorem. The work is in line...
[期刊论文] 作者:ZHENG Zhuo,P. COUR,HUANG CiXua, 来源:中国科学D辑(英文版) 年份:2004
A series of dust pollen samples was collected along N-S transects in east China (18°N to 53°N latitudes). Sample sites extend from the cold-temperate zone in...
[期刊论文] 作者:李敏超,Juliy M.Perelman,Victor P., 来源:中华结核和呼吸杂志 年份:2004
目的 探讨瞬时受体电位M8离子通道(TRPM8)在冷刺激诱导气道上皮细胞产生炎性因子过程中发挥的作用及相关信号转导机制.方法 用冷空气(18℃)刺激人气道上皮16HBE细胞,以TRPM8...
[期刊论文] 作者:P. Mokrejs,D. Janacova,M. Mlad, 来源:皮革科学与工程 年份:2004
制革属于典型的工业分支,制革工业中会产生大量的污染环境的废液和废固.该论文利用铬鞣革废物的酶法水解用铬污泥除去鞣制废液中的铬.除去铬的原理是鞣后的铬污泥从废液中吸...
[期刊论文] 作者:P. B. SRINIVASAN,S. RIEKEHR,C., 来源:中国有色金属学报(英文版) 年份:2004
采用Nd-YAG激光对AZ31 HP镁合金进行激光自熔焊接.显微组织分析表明,使用或不使用填料(焊料)AZ61镁合金得到的激光焊接接头的平均晶粒尺寸大约为12 μm,显微硬度和拉伸强度与...
[期刊论文] 作者:Pascal J.H.VAN DER AA,Renee P., 来源:动物学报 年份:2004
栖息地丧失和捕猎导致许多大型狐蝠濒危.尽管在东半球热带地区已经禁止捕猎和采伐,狐蝠的数量仍然在下降.既能维护当地居民利益又能保护狐蝠的折衷对策是生态旅游.然而,人类...
[期刊论文] 作者:P. A. OLUBAMBI,J. H. POTGIETER, 来源:中国有色金属学报(英文版) 年份:2004
The interplay of mineralogical variation and mineral phase distribution within varying particle sizes on the dissolution behaviour of a low grade complex sulphi...
[期刊论文] 作者:Deschler,Paul P. Thom, 来源:国际眼科杂志 年份:2004
目的:厌氧细菌可引起眼部感染,我们测试OxyPlateTM厌氧系统(OxyPlateTM Anaerobic System,OXY)隔离可引起眼部疾病的厌氧细菌.方法:OXY不需要直接的厌氧条件(比如厌氧袋,罐),...
[期刊论文] 作者:P. Mokrejs,D. Janacova,K. Kolo, 来源:皮革科学与工程 年份:2004
制革工艺将原料皮变成革,属于典型的工业领域,在工艺处理过程中要考虑产生的固、液副产物对环境尤其是水和土壤的污染.制革的固、液副产物分别是铬屑和含铬废液.为了减少蛋白...
[期刊论文] 作者:Brian P. Hedlund,Jessica K. Co, 来源:地学前缘 年份:2004
The Rehai Geothermal Field,located in Tengchong County,in central-western Yunnan Province,is the largest and most intensively studied geothermal field in China....
[期刊论文] 作者:CHAUBE,P. K., 来源:应用数学和力学(英文版) 年份:2004
This paper studies the Stokes flow of micro-polar fluids by peristaltic pumping through the cylindrical tube under the effect of the slip boundary condition.The...
[期刊论文] 作者:P. MONDAL,Nidhi JHA,Anshul, 来源:中国有色金属学报 年份:2004
在7178铝合金中添加不同比例的Al-10%TiB中间合金,考察TiB对铝合金的晶粒细化、磨损和压缩变形行为的影响.组织观察表明,TiB颗粒起着晶粒细化剂的作用,导致生成球状枝晶.当Al-...
[期刊论文] 作者:Lombardo,P. Sch, 来源:中国物理C 年份:2004
Medium polarization effects are studied for 1S0 pairing in nuclear matter within BHF approach.The screening potential is calculated in the RPA limit, suitably r...
[期刊论文] 作者:P. Saxena, 来源:分析、理论与应用(英文版) 年份:2004
A mathematical model for the thermoregulation in the dermal layers of the hu-man body is proposed. The skin is composed mainly of three layers - epidermis, derm...
[期刊论文] 作者:Adinda P. Derkx,Simon Orford,S, 来源:植物学报(英文版) 年份:2004
Increasing photosynthetic capacity by extending canopy longevity during grain filling using slow senescing stay-green genotypes is a possible means to improve y...
[期刊论文] 作者:P. MANIMARAN,G. RAVI KUMAR,M., 来源:水稻科学(英文版) 年份:2004
A rapid and reproducible method to develop transgenic plants with enhanced transformation efficiency using Agrobacterium has been developed for the elite indica...
[期刊论文] 作者:Aldar P. Gorbunov,Edward V. Se, 来源:冰川冻土 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:P. MARCHANT,N., 来源:土壤圈(英文版) 年份:2004
Numerous scientific challenges arise when designing a soil monitoring network (SMN),especially when assessing large areas and several properties that are driven...
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