Catalyst-free p-n homojunction ZnO nanowire (NW) arrays in which the phosphorus (P) and zinc (Zn) served as p- and n-type dopants, respectively, have been synthesized for the first time by a controlled in situ doping process for fabricating efficient ultraviolet light-emitting devices. The doping transition region defined as the width for P atoms gradually occupying Zn sites along the growth di...

The leaves of Dendrophthoe falcata growing on different trees had differing dry solid content. With 1 exception, the parasite leaf contained less dry solid than host leaf.A characteristic feature of the loranthus parasite was the accumulation of phosphate in excess of that present in host leaves. Expressed as percent of the total phosphorus, the parasite tissue contained significantly less acid...

New swine waste management systems in North Carolina need to meet high performance standards of an environmentally superior technology (EST) regarding nitrogen, phosphorus, heavy metals, pathogens, ammonia and odor emissions, and remain affordable and simple to operate. The objective of this study was to develop a second-generation treatment system that can achieve high EST standards at reduced...

In 1944 Taurog, Entenman, and Chaikoff (13) reported that the ratio of choline to phosphorus in the acetone-insoluble lipides of human and dog plasma was close enough to 1.0 to justify the conclusion that cephalin was almost, if not entirely, absent. Although instances of the absence of cephalin from plasma had been reported before (1, 8, 14), most of the earlier work (cited in (13)) had indica...

This study has been taken up from two viewpoints. First, a study of field and pot experiments, with a view of determining, if possible, the indirect action of various salts when used as fertilizers; to ascertain if the increase in yield obtained from the use of a fertilizer is not due in part to the solvent action which it exerts on the comparatively insoluble phosphorus in the soil. Second, to...

Abstract Background An increase in population has led to a higher demand for food. Meeting up this necessitated the use of chemical fertilizers. However, utilization these fertilizers considerable deleterious effect on soil, plant, human, environmental sustainability, and only cost reduced profitability. With identified problems, there is need efficient sustainable methods regarding managing na...

This study was conducted to determine the chemical composition and metabolizable energy of poultry by-product meal (PBPM) from two slaughterhouses in Iran. Samples were analyzed for dry matter, crude protein, ash, ether extract and gross energy. The amounts of calcium, phosphorus, sodium, potassium, Magnesium, Iron, Manganese, copper and Zinc were determined. The apparent metabolizable energy (...

Phosphorus (P) is one of the essential macronutrients for plant growth and reproduction. Plants acquire P from the soil solution as phosphate anions. However, phosphate anions are extremely reactive and may be immobilized through precipitation with cations such as Ca2+, Mg2+, Fe3+ and Al3+, depending on the particular properties of the soil and as a result, the phosphate is highly insoluble and...

Submandibular saliva collected from cystic fibrosis patients and control subjects was separated by centrifugation into an insoluble deposit and a clear supernatant. The resulting calcium and phosphorus analyses performed on both fractions warranted a closer investigation as a consistent Ca/P molar ratio of 1.5 was found in the deposit of the cystic fibrosis patients, while no consistent ratio >...