نتایج جستجو برای: phosphorous budget

تعداد نتایج: 37861  

Journal: :Nucleic acids research 1992
P Schmieder J H Ippel H van den Elst G A van der Marel J H van Boom C Altona H Kessler

Two heteronuclear proton-carbon NMR experiments are applied to the DNA-octamer d(TTGGCCAA)2 with carbon in natural abundance. They lead to a complete assignment of the carbon resonances of the sugars and bases. In addition, several heteronuclear coupling constants, proton-carbon as well as proton-phosphorous and phosphorous-carbon, were determined. The information can be obtained in a reasonabl...

2004

Communities of plants are thought to grow until they reach some limiting factor such as light, space, available nutrients or other limitation. Very often this limiting factor is a nutrient limitation. Therefore, if plants are provided with the essential nutrient they lack, they will expand their community’s biomass. This phenomenon is well studied in temperate communities. In those ecosystems, ...

2010
Stefan Collignon

In this paper, the sustainability of public debt is interpreted as the result of the interaction of fiscal policy with the economic environment, and not as a statistical concept as in most of the recent literature. If debt must not explode over time, policy makers have to respond to the changing conditions in the macroeconomic environment. This paper defines the conditions which will ensure com...

2015

This bulletin is based on research conducted by Professor Gavin Wood and Dr Melek Cigdem at the AHURI Research Centre—RMIT University, and Ms Deb Batterham and Professor Shelley Mallett at Hanover Welfare Services. The research examined, for the first time, the geography of homelessness in Australia and its relationship to potential structural drivers of homelessness (specifically housing and l...

2015
Yun-Kun Wang Xin-Rong Pan Yi-Kun Geng Guo-Ping Sheng

Recovering nutrients, especially phosphate resource, from wastewater have attracted increasing interest recently. Herein, an intermittently aerated membrane bioreactor (MBR) with a mesh filter was developed for simultaneous chemical oxygen demand (COD), total nitrogen (TN) and phosphorous removal, followed by phosphorus recovery from the phosphorus-rich sludge. This integrated system showed enh...

Journal: :Biological psychiatry 1995
R F Deicken G Calabrese E L Merrin S Vinogradov G Fein M W Weiner

In vivo 31Phosphorous magnetic resonance spectroscopic imaging (31P MRSI) was performed on 18 chronic schizophrenic patients and 14 normal controls to determine if there was asymmetry of high-energy phosphorous metabolism in the temporal lobes of schizophrenic patients. Temporal lobe phosphorous metabolites were also correlated with severity of psychiatric symptomatology as assessed by the Brie...

Journal: :Biological psychiatry 1992
G Calabrese R F Deicken G Fein E L Merrin F Schoenfeld M W Weiner

Eleven schizophrenic patients and nine normal controls were studied using in vivo 31Phosphorous magnetic resonance spectroscopy (31P MRS) to test the hypothesis of metabolic asymmetry in the temporal lobes in schizophrenia. The controls did not demonstrate any asymmetry of phosphorous metabolite ratios, percentage of phosphorous metabolites, or pH. In the schizophrenics, however, phosphocreatin...

Journal: :Biochemia medica 2011
Mahdieh Abbasalizad Farhangi Alireza Ostadrahimi Soltanali Mahboob

INTRODUCTION Recent epidemiological evidence suggests that alteration in calcium, phosphorous or magnesium metabolism may have direct cardiovascular consequences. However, it is unknown whether variations in serum values of these minerals are in relationship with lipid profile and adiposity as metabolic risk factors of cardiovascular events in premenopausal women independent of confounders. The...

1998
Todd M. Alam

The influence of changes in the contracted Gaussian basis set used for ab initio calculations of nuclear magnetic resonance (NMR) phosphorous chemical shift anisotropy (CSA) tensors was investigated. The isotropic chemical shift and chemical shift anisotropy were found to converge with increasing complexity of the basis set at the Hartree-Fock (HF) level. The addition of d polarization function...

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