نتایج جستجو برای: organic sources

تعداد نتایج: 482156  

Solubility data of solid in aqueous and different organic solvents are very important physicochemical properties considered in the design of the industrial processes and the theoretical studies. In this study, experimental solubility data of 666 pharmaceutical compounds in water and 712 pharmaceutical compounds in organic solvents were collected from different sources. Three different artificia...

Journal: :Journal of environmental quality 2004
A B Leytem J T Sims F J Coale

Phosphorus losses in runoff from application of manures and biosolids to agricultural land are implicated in the degradation of water quality in the Chesapeake and Delaware Inland Bays. We conducted an incubation study to determine the relative P solubility and bioavailability, referred to as P source coefficients (PSCs), for organic P sources, which are typically land-applied in the Mid-Atlant...

2005
W. F. Rogge G. R. Cass L. M. Hildemann M. A. Mazurek

The molecular composition of fine particulate (Dp >_2 I.tm)organic aerosol emissions from the most important sources in the Los Angeles area has been determined. Likewise, ambient concentration patterns for more than 80 single organic compounds have been measured at four urban sites (West Los Angeles, Downtown Los Angeles, Pasadena, and Rubidoux) and at one remote offshore site (San Nicolas Isl...

Journal: :Ecology 2006
Jonathan P Benstead James G March Brian Fry Katherine C Ewel Catherine M Pringle

We sampled consumers and organic matter sources (mangrove litter, freshwater swamp-forest litter, seagrasses, seagrass epiphytes, and marine particulate organic matter [MPOM]) from four estuaries on Kosrae, Federated States of Micronesia for stable isotope (sigma13C and sigma34S) analysis. Unique mixing solutions cannot be calculated in a dual-isotope, five-endmember scenario, so we tested IsoS...

2014
J.-E. Petit O. Favez J. Sciare F. Canonaco P. Croteau G. Močnik J. Jayne D. Worsnop

Online non-refractory submicron aerosol mass spectrometer (AMS) measurements in urban areas have successfully allowed the apportionment of specific sources and/or physical and chemical properties of the organic fraction. However, in order to be fully representative of PM pollution, a comprehensive source apportionment analysis is needed by taking into account all major components of submicron a...

2011
J. Genberg M. Hyder K. Stenström R. Bergström D. Simpson E. O. Fors

A one-year study was performed at the Vavihill background station in southern Sweden to estimate the anthropogenic contribution to the carbonaceous aerosol. Weekly samples of the particulate matter PM10 were collected on quartz filters, and the amounts of organic carbon, elemental carbon, radiocarbon (14C) and levoglucosan were measured. This approach enabled source apportionment of the total c...

2015
Eeshita Manna Teng Xiao Joseph Shinar Ruth Shinar Mostafa Bassiouni

This review focuses on the utilization of organic photodetectors (OPDs) in optical analytical applications, highlighting examples of chemical and biological sensors and lab-on-a-chip spectrometers. The integration of OPDs with other organic optical sensor components, such as organic light emitting diode (OLED) excitation sources and thin organic sensing films, presents a step toward achieving c...

Journal: :iranian journal of applied animal science 0
f. asadi department of poultry science, faculty of agriculture, tarbiat modares university, tehran, iran f. shariatmadari department of poultry science, faculty of agriculture, tarbiat modares university, tehran, iran m.a. karimi-torshizi department of poultry science, faculty of agriculture, tarbiat modares university, tehran, iran m. mohiti-asli department of animal science, faculty of agricultural science, university of guilan, rasht, iran m. ghanaatparast-rashti department of animal science, faculty of agricultural science, university of guilan, rasht, iran

an experiment was carried out to compare the effects of laying hen’s diet supplemented with inorganic and different organic sources of selenium (se) on quality and oxidative stability of eggs during storage. a total of 81, (35-week old) laying hens of lohmann lsl-white were assigned to cages in a completely randomized design with 9 groups of treatment and 3 replicates of 3 birds. hens in each g...

Journal: :Tree physiology 2010
Gunda Stoelken Judy Simon Barbara Ehlting Heinz Rennenberg

To investigate the impact of organic N compounds for inorganic nitrogen uptake in the rhizosphere, we fed ammonium nitrate with or without amino acids (i.e., glutamine or arginine) to the roots of non-mycorrhizal beech (Fagus sylvatica L.) seedlings under controlled conditions at different levels of N availability. Uptake of individual N sources was determined from ¹⁵N (inorganic N) and ¹⁵N ¹³C...

2010
Terry J. Henderson Sandra J. Johnson

Disclaimer The findings in this report are not to be construed as an official Department of the Army position unless so designated by other authorizing documents. Public reporting burden for this collection of information is estimated to average 1 hour per response, including the time for reviewing instructions, searching existing data sources, gathenng and maintaining the data needed, and comp...

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