نتایج جستجو برای: extractable fraction

تعداد نتایج: 154973  

Journal: :Plant physiology 1973
C A Rebeiz J C Crane C Nishijima C C Rebeiz

Developing chloroplasts were incubated under conditions previously shown to induce protochlorophyll and chlorophyll biosynthesis, as well as chloroplast maintenance and partial differentiation in vitro. In the presence of air, delta-aminolevulinic acid, coenzyme A, glutathione, potassium phosphate, methyl alcohol, magnesium, nicotinamide adenine dinucleotide, and adenosine triphosphate, microgr...

2009
A.R.P. Kingsly K. E. Ileleji

0308-8146/$ see front matter 2009 Elsevier Ltd. A doi:10.1016/j.foodchem.2009.03.050 * Corresponding author. Tel.: +1 765 494 1198; fax E-mail address: [email protected] (K.E. Ileleji). Corn distillers dried grains with solubles (DDGS) has high feed value due to its nutritive contents. The ratio of wet distillers grains (WDG) and condensed distillers solubles (CDS) added during the production ...

Journal: :Applied geochemistry : journal of the International Association of Geochemistry and Cosmochemistry 2008
A van Geen K Radloff Z Aziz Z Cheng M R Huq K M Ahmed B Weinman S Goodbred H B Jung Y Zheng M Berg P T K Trang L Charlet J Metral D Tisserand S Guillot S Chakraborty A P Gajurel B N Upreti

One of the reasons the processes resulting in As release to groundwater in southern Asia remain poorly understood is the high degree of spatial variability of physical and chemical properties in shallow aquifers. In an attempt to overcome this difficulty, a simple device that collects groundwater and sediment as a slurry from precisely the same interval was developed in Bangladesh. Recently pub...

2013
Yonathan D. Redel Rudolf Schulz Torsten Müller

Increased turnover of organic matter as a result of soil disturbance (e.g. by soil tillage) is described in principle, but the direct influence of soil disturbance on soil P turnover especially for organic farming systems has not been sufficiently proven. The objective of the study was to evaluate the short term effect of soil disturbance on different soil P fractions in a soil shaking experime...

Journal: :Environmental science. Processes & impacts 2016
Nirmala W Attygalla Darren S Baldwin Ewen Silvester Peter Kappen Kerry L Whitworth

Phosphorus is an important nutrient for plants and algae, and can be the limiting nutrient in aquatic ecosystems. However, oversupply can lead to significant water quality issues. The largest source and sink of P in most aquatic systems is the sediment. As a consequence of drought, in many places sediments that normally would have remained inundated are now being desiccated. Based on previous s...

2012
R. L. Haney A. J. Franzluebbers V. L. Jin

Traditionally, soil-testing laboratories have used a variety of methods to determine soil organic matter, yet they lack a practical method to predict potential N mineralization/immobilization from soil organic matter. Soils with high microbial activity may experience N immobilization (or reduced net N mineralization), and this issue remains unresolved in how to predict these conditions of net m...

2013
Risto Pöykiö Olli Dahl Hannu Nurmesniemi

The highest extractable concentration in the artificial sweat fluid was observed for Ba (120mg/kg; d.w.). The highest extractable concentration in the artificial gastric fluid was observed for Al (9030mg/kg; d.w.). Furthermore, the extractable concentrations of Ba (550mg/kg; d.w.) and Zn (400mg/kg: d.w.) in the bottom ash using artificial gastric fluid were elevated. The extractable concentrati...

Journal: :Journal of Clinical Investigation 1951

Journal: :Journal of the American Chemical Society 1917

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