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Chapter and Conference Paper
Vortex dynamics of turbulence–coherent structure interaction
We study the interaction between a coherent structure (CS) and imposed external turbulence by employing direct numerical simulations (DNS) designed for unbounded flows with compact vorticity distribution. Flow...
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Chapter
Phytoremediation of Saline Soils for Sustainable Agricultural Productivity
Salinization of soils is one of the major factors which severely affect the agricultural productivity worldwide. Due to salinity, more than half a billion hectares of land are not being properly used for crop ...
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Article
Special issues related to hematopoietic SCT in the Eastern Mediterranean region and the first regional activity report
Although several centers are now performing allogeneic hematopoietic SCT (HSCT) in the Eastern Mediterranean (EM) region, the availability is still limited. Special issues including compatible donor availabili...
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Article
Validated spectrophotometric method for quantitative determination of simvastatin in pharmaceutical formulations and human serum
A simple ultraviolet spectrophotometric method for the determination of simvastatin in methanol has been devised and compared with the existing pharmacopoeial RP-HPLC method for the estimation of the drug. Ana...
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Article
Genotypic and environmental interaction in advanced lines of rice under salt-affected soils of Punjab
Sixteen genotypes developed through hybridization and mutation breeding techniques were evaluated during the year 2003–04 on nine locations covering most of the area of Punjab province including Faisalabad, To...
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Article
Genotypic and environmental interaction in advanced lines of wheat under salt-affected soils environment of Punjab
Wheat cultivars of diverse origin including approved varieties of different provinces of Pakistan i.e. Punjab, NWFP and Sindh were tested against different salinity levels in laboratory as well as in naturally...
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Article
Genotype and environment interaction effect on yield of cotton under naturally salt stress condition
Thirteen genotypes of cotton developed through hybridization and mutation breeding techniques were evaluated during two consecutives years 2002-03-04 on eight locations covering most of the area of Punjab prov...
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Article
Water-use efficiency and carbon isotope discrimination of Acacia ampliceps and Eucalyptus camaldulensis at different soil moisture regimes under semi-arid conditions
Acacia ampliceps Maslin and Eucalyptus camaldulensis Dehnh. were grown for one year in lysimeters at three soil moisture regimes: 100 % (well-watered), 75 % (medium-watered) and 50 % (low-watered) of total plant...
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Article
Evaluation of advanced rice germplasm under water stress environment
Thirteen genotypes of rice comprising of approved varieties and elite candidate lines were studied at three different water regimes by supplying 12, 8 and 4 numbers of irrigations at different intervals/ stage...
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Article
Genotype and environmental interaction in cowpea (Vigna Unguiculata-L) for yield and disease resistance
Twenty-six cowpea cultivars were tested for yellow mosaic virus resistance at NIAB Faisalabad. NCPM-1, Elite, IT-84-552, No.44, P-518, S.A. Dandy, IT-97k-350-4, IT-93K-452, IT-97K-1042-8 and IT-97K-497-2 showe...
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Article
Genesis of Longitudinal Vortices in Near-Wall Turbulence
Using direct numerical simulations of turbulent channel flow, we present new insight into the formation mechanism of near-wall longitudinal vortices. Instability of lifted, vortex-free low-speed streaks is sho...
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Article
Temperature Feedback and Collagen Cross-Linking in Argon Laser Vascular Welding
A preliminary single-animal study of in vivo argon laser vascular welding was conducted using a canine model. The effects of temperature feedback control and saline drip cooling on patency and collagen cross-...
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Article
The vortex liquid piston engine and some other vortex technologies
By exploiting three unique characteristics of confined swirling incompressible flows — centrifugal acceleration, internal separation or recirculation zones near the axis, andbistability (i.e. rarefied and condens...
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Article
Carbon availability and microbial biomass in soil under an irrigated wheat-maize crop** system receiving different fertilizer treatments
Seasonal changes in carbon availability and microbial biomass were studied in soil under an irrigated wheat-maize crop** system receiving different fertilizter treatments over the past 10 years. Treatments ...
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Article
SU (2N f) ⊗ O(3) light diquark symmetry and current-induced heavy baryon transition form factors
We study the current-induced bottom baryon to charm baryon transitions in the Heavy Quark Symmetry limit as mq → ∞. Our discussion involves s-wave to s-wave as well as s-wave to p-wave transitions. Using a consti...
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Chapter
New Aspects of Vortex Dynamics Relevant to Coherent Structures in Turbulent Flows
Vortex dynamics offers a tractable avenue for explaining the dynamics of coherent structures, which appear to be the dominant features of turbulent shear flows and are the key to predicting and controlling tur...
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Article
SU(2N f) ⊗O(3) light diquark symmetry and current-induced heavy baryon transition form factors
We study the current-induced bottom baryon to charm baryon transitions in the Heavy Quark Symmetry limit asm q→∞. Our discussion involvess-wave tos-wave as well ass-wave top-wave transitions. Usin...
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Article
Education of coherent structures in a numerically simulated plane wake
Coherent structures (CS) are educed using a conditional sampling technique involving alignment of vorticity patches of largest size and strength; hence we educe dominant CS. A numerically simulated spatially e...
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Article
Influence of initial conditions on compressible vorticity dynamics
Prompted by the lack of a unique choice of pressure (P) and density (ρ) fields for a compressible free vortex and by the observed dependence of turbulence dynamics on initial P and ρ in compressible simulations, ...
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Article
Covariant trace formalism for heavy mesons-wave top-wave transitions
Heavy meson,s- top-wave, weakb→c transitions are studied in the context of the heavy quark effective theory using covariant meson wave functions. We use the trace formalism to evaluate the weak transitions. As ex...
