نتایج جستجو برای: drainage density

تعداد نتایج: 450110  

2009
H. MEYER A. GEORGE

In the South African sugar industry it is important that relatively inexpensive but viable drainage systems are de,:el,oped for those soils which have a low hydraulic conductrvity. From the results offield and laboratory investigations conducted during the past five years it appears that the use of unlined mole channels as an alternative for, or a supplement to conventional subsurface drainage,...

Journal: :تحقیقات جغرافیایی 0
شهرام بهرامی گروه جغرافیای طبیعی- دانشکده جغرافیا و علوم محیطی- دانشگاه حکیم سبزواری افروز بهروجه دانشگاه حکیم سبزواری

morphometric characteristics of anticlines can play an important role in the exploration of oil resources. the purpose of this research is to evaluate the effect of geomorphology on the exploration of oil resources in oil-rich bankol and oil-less danehkhoshk anticlines by means of geomorphological indices. to achieve the purpose of this study, topographic maps at a scale of 1:50000 and geologic...

2008
E. Antunes F. A. P. Garcia P. Ferreira

The effect of the degree of polymer branching on retention and drainage performance of flocculated kraft pulp fiber suspensions containing precipitated calcium carbonate (PCC) was investigated and has been correlated with flocs properties obtained by light diffraction scattering (LDS). The results show that polymers of medium charge density are more adequate to be used as retention aids since l...

2003
B. M. Hynek R. J. Phillips

Introduction: Valley network systems on Mars remain the most unequivocal evidence that water carved the surface of the planet in the distant past and the climate was different than today. Most of these systems date from the Noachian [1], the p eriod of heavy bombardment which is >3.7 Ga [2], although local or regional formation seems to have continued to more recent times [3]. The discovery of ...

Journal: :Journal of Geophysical Research: Earth Surface 2016

2002
Rossman P. Irwin Alan D. Howard

[1] Geomorphic mapping of a 1 million square kilometer section of Terra Cimmeria on Mars (1:1M scale) indicates that prolonged, intense fluvial erosion occurred during the period of heavy bombardment. Crater counts date the termination of ubiquitous, intense erosion to the late Noachian, although some valleys may have continued downcutting into the early Hesperian. Stratigraphic and topographic...

Journal: :پژوهش های علوم و صنایع غذایی ایران 0
arezoo abbasi mohabbat mohebbi elham mahdian

foaming conditions of the red beet (beta vulgaris l) puree were optimized using response surface methodology (rsm) with respect to arabic gum concentrations (0.01 – 0.4% w/w), red beet puree (40 _ 60% w/w),egg white concentration( 5 _ 15% w/w) and whipping time (3 – 9 min) for minimum foam density and foam drainage volume as response variables. foams were prepared from various pulp concentratio...

2016
SIVA PRASAD PANDA

Basin morphometry is a means of numerically analysing or mathematically quantifying different aspects of a drainage basin. In the present study, morphometric analysis of the Baitarani basin has been carried out using earth observation data and geographical information system (GIS) techniques. The morphometric parameters considered for analyses include the linear, areal and relief aspects of the...

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