Zobrazeno 1 - 10
of 21
pro vyhledávání: '"R. W. Burrell"'
Publikováno v:
Journal of economic entomology. 38
Publikováno v:
Mosquito news. 7(1)
Autor:
R. W. Burrell
Publikováno v:
Journal of Economic Entomology. 60:111-114
Observations on parasitism of the armyworm, Pseudaletia unipuncta (Haworth), were made at various localities in Louisiana over the 5 years from 1955 to 1959. Although the percentage of parasitism was remarkably uniform, between 35 and 39%, the year-t
Publikováno v:
IEEE Transactions on Power Apparatus and Systems. :353-360
In 1953, it was foreseen by electric utilities that, in approximately 10 years, underground 345-kV transmission would be required in some areas. In the 1960s, it became desirable to extend 345-kV transmission circuits underground into the New York Ci
Publikováno v:
Journal of Economic Entomology. 38:244-249
Autor:
R. W. Burrell, W. E. Appleton
Publikováno v:
Electrical Engineering. 57:535-540
WITH the development of systems of distribution supplying light, heat, and power from common mains, the problem of maintaining proper voltage at consumers' services has become extremely difficult. The efforts of distribution engineers in solving syst
Publikováno v:
Journal of Economic Entomology. 38:537-541
Autor:
R. W. Burrell, W. J. McCormick
Publikováno v:
Annals of the Entomological Society of America. 57:483-487
Laboratory studies to determine host-mite preferences were conducted on the predaceous mites Typhlodromus longipilus Nesbitt, T. occidentalis Nesbitt, T. rhenanus (Oudemans), Amblyseius cucumeris (Oudemans), and A. fallacis (Garman), all of which wer
Autor:
F. S. Young, R. W. Burrell
Publikováno v:
IEEE Transactions on Power Apparatus and Systems. :180-190
The Waltz Mill test facility is part of the Electric Research Council's program for research on underground transmission. At this station prototype samples can be tested at voltages ranging from 115 kV to 1 100 kV. The station was designed to provide
Autor:
R. W. Burrell
Publikováno v:
Journal of Economic Entomology. 23:994-997
A relatively simple and inexpensive apparatus is described which may be used in the production of desired high humidity in rearing rooms and incubator cellars.