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29篇 您的检索式:作者名="GH."
    题名 作者 年代 出处 被引量
1Impacts of land uses on runoff and soil erosion A case study in Hilkot watershed Pakistan显示文摘In certain areas of the Hindu Kush-Himalayas(HKH),ecological situation is depleting day by day and approaching to the point of no return through gradual environmental degradation.Surface soil erosion from most of the areas is a serious threat to sustainable agriculture and sediment accumulation in down stream reservoirs.An extensive study in the Hilkot watershed,a catchment of Terbala Dam, was started by the People and Resource Dynamics Project in 1998.Main objectives of this study were to calculate annual runoff and soil losses from different land uses and compare their seasonal distribution at plot level.Four experimental plots based on land use classification(i.e.degraded, forests,agricultural,and pasture lands)were established.Area falls in the monsoon region,about 38% rainfall occurred in the monsoon period(July to September),while in the pre-monsoon(March to June)and the winter period(October to February)received 35%and 27%of the total rainfall, respectively.The annual rainfall in the watershed was 1160 mm.The runoff and soil loss pattern varied among different land use types.In all the erosion plots,almost 50%of the runoff and soil loss occurred during the monsoon period and was negligible during winter.The mean maximum runoff was from the degraded plot(674 m^3/ha/y),while minimum was observed from the pasture plot(310 m^3/ha/y).Average runoffs on other land uses were 529 and 460 m^3/ha/y,from the forest and agriculture plots,respectively.Annual soil loss from all land uses ranged between 0.3 to 16.3 t/ha. Average maximum soil loss was recorded from the degraded plot(6.5 t/ha/y)and average minimum (1.8 t/ha/y)was on the pasture plot.Similarly,average soil from other plots was 3.3 and 3.4 t/ha/y, measured from the forest and agricultural plots,respectively.ZOKAIB S. NASER Gh. 2011International Journal of Sediment Research2011,26,3:4
2Effect of intercritical annealing on retained austenite characterization in textured TRIP-assisted steel sheet显示文摘E. Emadoddin A. Akbarzadeh Gh. Daneshi 2006Materials Characterization2006,,4:3
3A study on rainfall,runoff,and soil loss relations at different landuses-A case in Hilkot watershed in Pakistan显示文摘Reliable field data for all hydrologic parameters are often unavailable for watersheds even for those intensively monitored.In the absence of reliable such data,verified mathematical relations for an area can be used for other areas with same hydrologic and climatic regimes.The objectives of this research were:1) to assess the total runoff and sediment loss,and 2) to develop rainfall,runoff and soil loss relations for four prominent landuses(including degraded,pasture,forest and agriculture lands) in the Hilkot watershed(Pakistan).Four experimental natural runoff plots were established on the landuses (degraded,pasture,forest and agriculture land).The field study and data collection were conducted in the Hilkot watershed from 1999 to 2005.Regression analysis was conducted to establish relations among rainfall,runoff and soil loss for all landuses using.Regression analysis indicated good correlation with field data.ZOKAIB S. NASER Gh. 2012International Journal of Sediment Research2012,27,3:2
4Heavy Metal Concentration in Surficial Sediments from Anzali Wetland, Iran显示文摘Gh. Amini Ranjbar 1998Water Air and Soil Pollution (-)1998,,3:1
5Pressure-driven water flows in trapezoidal silicon microchannels显示文摘Qu Weilin Gh. Mohiuddin Mala Li Dongqing 1999International Journal of Heat and Mass Transfer1999,,3:1
6Dealing with spatial heterogeneity显示文摘Gh. Marsily F. Delay J. Gon?alvès Ph. Renard V. Teles S. Violette 2005Hydrogeology Journal2005,,1:1
7Spatial variability of soil total and DTPA-extractable cadmium caused by long-term application of phosphate fertilizers, crop rotation, and soil characteristics显示文摘A. R. Jafarnejadi Gh. Sayyad M. Homaee A. H. Davamei 2013Environmental Monitoring and Assessment2013,,5:1
8Proteomic analysis of rice leaves during drought stress and recovery显示文摘Gh. HosseiniSalekdeh JoelSiopongco Leonard J.Wade BehzadGhareyazie JohnBennett 2002Proteomics2002,,9:1
9Modeling and optimization of tartaric acid reactive extraction from aqueous solutions: A comparison between response surface methodology and artificial neural network显示文摘N. Marchitan C. Cojocaru A. Mereuta Gh. Duca I. Cretescu M. Gonta 2010Separation and Purification Technology2010,,3:1
10Metal pollution assessment of sediment and water in the Shur River显示文摘A. R Karbassi S. M. Monavari Gh. R. Nabi Bidhendi J. Nouri K. Nematpour 2008Environmental Monitoring and Assessment (-)2008,,1:1
11Magnesium silicide intermetallic alloys显示文摘GH. Li H. S. Gill R. A. Varin 1993Metallurgical Transactions A1993,,11:1
12Camelid immunoglobulins and nanobody technology显示文摘S. Muyldermans T.N. Baral V. Cortez Retamozzo P. De Baetselier E. De Genst J. Kinne H. Leonhardt S. Magez V.K. Nguyen H. Revets U. Rothbauer B. Stijlemans S. Tillib U. Wernery L. Wyns Gh. Hassanzadeh-Ghassabeh D. Saerens 2008Veterinary Immunology and Immunopathology2008,,1:1
13Hydrodynamics and mass transfer performance of rotating sieved disc contactors used for reversed micellar extraction of protein显示文摘S. Soltanali Y. Ziaie-Shirkolaee Gh. Amoabediny H. Rashedi A. Sheikhi P. Chamanrokh 2009Chemical Engineering Science2009,,10:1
14En face optical coherence tomography investigation of apical microleakage after laser-assisted endodontic treatment显示文摘Carmen Todea Cosmin Balabuc Cosmin Sinescu Laura Filip Cristina Kerezsi Mircea Calniceanu Meda Negrutiu Adrian Bradu Michael Hughes Adrian Gh. Podoleanu 2010Lasers in Medical Science2010,,5:1
15Dealing with spatial heterogeneity显示文摘Gh. Marsily F. Delay J. Gon?alvès Ph. Renard V. Teles S. Violette 2005Hydrogeology Journal2005,,1:1
16膜与不可压缩有界流体接触时的自由振动显示文摘圆形膜与流体接触时的振动被广泛应用于工业中.推导了圆形膜在与不可压缩有界流体接触时,非对称自由振动的自振频率.鉴于膜在不可压缩、非粘性流体中振动引起的小振幅,采用速度势函数来描述流体场.使用两种方法来推导系统的自由振动频率.它们包括变分法及一种近似解法——Rayleigh商法.在用两种方法求得的自由振动频率值之间具有良好的相关性.最后,研究了流体的深度、质量密度以及径向张力对耦合系统自由振动频率的影响.S.泰瑞维蒂洛 J.米尔扎普尔 M.萨马达尼 Gh.瑞扎扎德 2012应用数学和力学2012,33,9:1
17《塞拉麦涅斯的宪法》显示文摘GH.史蒂文森 1936希腊研究杂志1936,56,:1
18Evaluation of effective parameters in metal bellows forming process显示文摘Gh. Faraji M. Mosavi Mashhadi V. Norouzifard 2008Journal of Materials Processing Tech2008,,7:1
19The use of neural network to predict the behavior of small plastic pipes embedded in reinforced sand and surface settlement under repeated load显示文摘S.N. Moghaddas Tafreshi Gh. Tavakoli Mehrjardi 2007Engineering Applications of Artificial Intelligence2007,,6:1
20Study of quaternary ‘onium’ salts grafted on polymers: antibacterial activity of quaternary phosphonium salts grafted on ‘gel-type’ styrene–divinylbenzene copolymers显示文摘Adriana Popa C.M. Davidescu R. Trif Gh. Ilia Smaranda Iliescu Gh. Dehelean 2002Reactive and Functional Polymers2002,,2:1
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