Zobrazeno 1 - 10
of 18
pro vyhledávání: '"R. F. Ashworth"'
Autor:
J. B. Williams, M. M. M. Baghat, Jane E. Butler, John Williams, M. El-Housseini, M. G. Ford, Eric May, A. Dewdar, R. F. Ashworth
Publikováno v:
Constructed Wetlands for Water Quality Improvement ISBN: 9781003069997
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::77fc0c31c246bafbe6e242bf614660b2
https://doi.org/10.1201/9781003069997-28
https://doi.org/10.1201/9781003069997-28
Autor:
M. R. F. Ashworth
Publikováno v:
The Sulphonium Group: Volume 1 (1981)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f103c4c8c0f45a6e3f27225789cb1924
https://doi.org/10.1002/9780470771648.ch3
https://doi.org/10.1002/9780470771648.ch3
Publikováno v:
Water and Environment Journal. 4:276-284
Gravel bed hydroponic (GBH) systems planted with emergent hydrophytes, such as Phragmites australis (the common reed), treat domestic sewage effluents to acceptable environmental standards in an economic and efficient manner. In temperate zones, such
Autor:
M. R. F. Ashworth
Publikováno v:
Sulphones and Sulphoxides (1988)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c784d14eabd4110b3d70fec04918f9f5
https://doi.org/10.1002/0470034386.ch5
https://doi.org/10.1002/0470034386.ch5
The gravel-bed hydroponic system (GBH) is an inclined, gravel-filled channel lined with an impermeable membrane and planted with helophytes such as Phragmites australis (the common reed). Such systems have considerable potential for the secondary and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::66c472bf4d03a7663fbed13f4c3a67e2
https://doi.org/10.1016/b978-0-08-040784-5.50008-5
https://doi.org/10.1016/b978-0-08-040784-5.50008-5
Publikováno v:
Fresenius' Zeitschrift für analytische Chemie. 273:275-281
Der beschriebene Titrierautomat basiert auf folgendem Prinzip: Die Maslosung (Titratorkonzentration c) wird mit der konstanten Geschwindigkeit w einer Mischkammer zugefuhrt, in die gleichzeitig die Probelosung (Titrandenkonzentration x) mit der linea
Autor:
M. R. F. Ashworth
Publikováno v:
The Journal of Agricultural Science. 32:349-359
1. The proximate analysis of a number of widely differing soil profiles has been carried out, employing a slight modification of the scheme used by Waksman and Shewan. This included a nitrogen fractionation with water and acid, similar to that of Wak
Autor:
R. Schupp, M. R. F. Ashworth
Publikováno v:
Microchimica Acta. 55:366-374
A colorimetric method for determination of phenylacetonitrile in amounts down to 0.6μg is described. It depends on the colour reaction withm-dinitrobenzene and potassium hydroxide in 50% methanol. Microgram amounts of diphenylmethane have been deter
Autor:
M. R. F. Ashworth
Publikováno v:
Mikrochimica Acta. 48:175-182
The effect of a number of organic solvents on a previously described turbidimetric method for tertiary butyl alcohol has been studied. It has been shown that most of the solvents exert only a negligible influence and that good calibration curves can
Autor:
M. R. F. Ashworth
Publikováno v:
The Journal of Agricultural Science. 32:360-372
1. The decomposition of the organic matter of four medium to large-scale composts has been studied by analysis of samples taken at intervals.2. The bulk materials of the composts were grass-cuttings, oat-straw,Sphagnumpeat and anEriophorumandSphagnum