J F de Rooy

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A simple procedure for the sequential anlysis of small oligonucleotides is reported. The method is based on the simultaneous identification and quantitation of monomers released by venom phosphodiesterase digestion of oligonucleotides using high-performance anion-exchange chromatography on Permaphase AAX at room temperature and by applying isocratic elution(More)
  • J F de Rooy
  • American journal of economics and sociology
  • 1978
A five equation model was developed which related measurements of quality of life (QOL) to policy variables and to economic and social characteristics. The model was used to i) determine the jointness, or interdependency, of components of QOL, ii) demonstrate the usefulness of canonical correlation for measuring the marginal products of determinants of QOL,(More)
Friesians (ZB) and MRY cows were inseminated with semen from Jersey or Holstein Friesian (ZB) and Jersey or MRY bulls respectively. The Jersey x Friesian (J x ZB) and the Jersey x MRY (J x MRY) crossbreds were compared with their contemporary Friesian and MRY herdmates, respectively. Crossbreds were born without any calving problems. The feet and legs were(More)
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