Zobrazeno 1 - 10
of 66
pro vyhledávání: '"R. Hipkin"'
Publikováno v:
Conservation Genetics. 8:1029-1042
Coincya monensis is represented in the British flora by two, cytologically distinct subspecies. Coincya monensis ssp monensis is an endemic diploid with a coastal sand dune distribution that includes a number of isolated populations. Coincya monensis
Publikováno v:
South African Journal of Geomatics; Vol 3, No 3 (2014): Special Issue; 272-284
The global gravity model EGM2008 is evaluated in various regions of Uganda to assess if it is good enough for geodetic applications. The evaluation method involves comparison of geoid heights computed from the model with those computed at irregularly
Publikováno v:
International Journal of Plant Sciences. 165:833-843
Increased selfing and inbreeding and, consequently, depauperate genetic diversities are commonly expected for alien colonies. We compared RAPDs data for native (southern Europe) and alien (British Isles) populations of hoary mustard (Hirschfeldia inc
Publikováno v:
Computers & Geosciences. 29:155-171
A newly developed interactive computer program, CG3TOOL, has been dedicated to the processing of the gravity data acquired by the Scintrex CG-3/3M automated gravity meter. The aim of CG3TOOL is two fold: to allow for an objective evaluation of Scintr
Autor:
Kevin J. Flynn, Charles R. Hipkin
Publikováno v:
Journal of Phycology. 35:1171-1190
A dynamic mechanistic mathematical model (FeLANIM) is described, capable of simulating the major documented interactions between iron, light, ammonium, and nitrate in phytoplankton. There are various points in the model where species- or group-specif
Publikováno v:
Biochemical Journal. 340:491-495
A novel enzyme that catalyses the oxygen-dependent oxidation of 3-nitropropionic acid (3NPA) to malonate semialdehyde, nitrate, nitrite and H2O2 has been purified from leaf extracts of the horseshoe vetch, Hippocrepis comosa, and named 3NPA oxidase.
Publikováno v:
Journal of Experimental Marine Biology and Ecology. 236:307-319
The coccolithophorid Emiliania huxleyi was grown with ammonium and nitrate in “stretched-batch” culture. This provided a continuous input of fresh media at a dilution rate of 0.1 d −1 and maintained the derepression of N-assimilatory systems du
Publikováno v:
New Phytologist. 141:61-70
Addition of 2 mM nitrite or ammonium to aerobically incubated cultures of Gloeothece rapidly inhibited N2 fixation (measured as acetylene reduction). In contrast, 2 mM nitrate inhibited N2 fixation less rapidly and less extensively, and often tempora
Publikováno v:
New Phytologist. 132:313-316
summary Nitrite uptake in the nitrate-assimilating yeast, Candida nitratophila, was inhibited completely by addition of nitrate or ammonium to cultures at pH 8.0). Nitrite assimilation in these cultures was also completely dependent on the availabili
Publikováno v:
Metrologia. 32:193-200
Data from FG5 absolute gravimeters have been analysed using processing software developed by Edinburgh University. The work aims to understand apparent inconsistencies between relative and absolute observations and the variation of absolute gravity e