نتایج جستجو برای: grain mineral

تعداد نتایج: 126951  

Journal: :journal of crop nutrition science 0
syed azam shah nuclear institute for food and agriculture (nifa), tarnab, peshawar, pakistan. wisal mohammad nuclear institute for food and agriculture (nifa), tarnab, peshawar, pakistan. syed mahmood shah nuclear institute for food and agriculture (nifa), tarnab, peshawar, pakistan. muhammad shoaib shafi khyber pakhtunkhwa, agriculture university, peshawar, pakistan.

effects of organic manure (poultry manure) applied alone and integrated with inorganic fertilizer (urea) on yield and yield component, n-uptake and soil fertility in wheat-maize cropping system was evaluated in a field experiment at nuclear institute for food and agriculture, peshawar, pakistan. poultry manure was applied alone and were integrated in different proportions with mineral nitrogeno...

Journal: :Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine 2004
E Garver M Baskaran

The emanating power of radon provides information on the internal structure of a mineral and the radiation damage caused by the decay of 238U, 235U and 232Th (and their daughters) that are present in the mineral. The concentration of 222Rn in groundwater is primarily controlled by the concentration of U and Th in the underlying rocks, as well as the emanation coefficient for that particular roc...

2012
Chi Ma John R. Beckett George R. Rossman

Introduction: The Zakłodzie meteorite, a moderately weathered find discovered near the village Zakłodzie, Poland, is an ungrouped enstatite-rich achondrite ascribed to an impact melt [1] or internal melting within the parent body [2]. During our nanomineralogy investigation of the Zakłodzie meteorite, a new Fe-dominant monosulfide mineral, (Fe,Zn,Mn)S with the P63mc wurtzite-type structure was ...

2004
MARK T. BRANDON Mark T. Brandon

The external-detector method of fission-track (FT) dat­ ing is capable of providing FT ages for individual mineral grains. As a result, tliis method when applied to dating detrital zircons in unreset sandstone samples has much potential for resolving the depositional age and provenance of the samples. One problem is that individual FT grain ages for detrital zircons usually have fairly low prec...

2017
Diriba B Kumssa Edward Jm Joy Scott D Young David W Odee E Louise Ander Martin R Broadley

BACKGROUND Moringa oleifera (MO) and M. stenopetala (MS) (family Moringaceae; order Brassicales) are multipurpose tree/shrub species. They thrive under marginal environmental conditions and produce nutritious edible parts. The aim of this study was to determine the mineral composition of different parts of MO and MS growing in their natural environments and their potential role in alleviating h...

Objective(s): Copper (Cu) is an essential dietary supplement in animal feeds, which plays an important role in maintaining the balance of all living organisms. Copper nanoparticles (nCu) participate in catalysing activities of multiple antioxidant/defensive enzymes and exerts pro-inflammatory and pro-apoptotic effects on systemic organs and tissues. The present study e...

2010
Chi Ma John R. Beckett R. J. Macke D. T. Britt G. J. Consolmagno

Introduction: During a nano-mineralogy investigation of the Murchison CM2 meteorite, a new chromium sulfide mineral, Cr5S6, was identified as inclusions in two isolated olivine grains. High-resolution SEM, electron-backscatter diffraction (EBSD) and electron microprobe analyses have been used to characterize its composition and structure. The phase is known from laboratory studies of the Cr-S s...

2016
Christian Wejdemann Henning Friis Poulsen

A multigrain indexing algorithm for use with samples comprising an arbitrary number of known or unknown phases is presented. No a priori crystallographic knowledge is required. The algorithm applies to data acquired with a monochromatic beam and a conventional two-dimensional detector for diffraction. Initially, candidate grains are found by searching for crystallographic planes, using a Dirac ...

2007
A. B. Leytem V. Raboy P. W. Plumstead

Greater production demands for ruminants require increased dietary inclusion of high-energy feeds. Grains and oil seeds are most commonly used to enhance diet energy density. However, use of such feeds proportionally increases the amount of dietary phytate phosphorus (P), which the ruminant may not be able to fully utilise. Our objectives for this study were to determine the extent of phytate d...

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