Zobrazeno 1 - 10
of 43
pro vyhledávání: '"J K Stevenson"'
Publikováno v:
All Days.
Many heavy oil resources are giant, legacy-type assets that may take a century or longer to fully exploit. A key opportunity is to apply new technology and techniques to maximize recovery and economic performance. By selecting the right technology pr
Autor:
J. K. Stevenson
Publikováno v:
International Journal of Electronics. 38:697-710
Formulae for crystal band-pass lattice filters with finite attenuation poles are derived in terms of the element values of a low-pass ladder of order 3 and 4. The third-order single lattice solution is the equivalent circuit of a 3-resonator monolith
Autor:
J. K. Stevenson
Publikováno v:
International Journal of Electronics. 41:105-123
A design procedure is given for tandem lattice all-pole filters with a single crystal in each lattiee arm: the maximum bandwidth for quartz is approximately 0·3% of the centre frequency. Formulae are presented in terms of the unrestricted element va
Publikováno v:
American Journal of Roentgenology. 112:123-134
Forty-three cases of neonatal necrotizing enterocolitis are reviewed, showing a recent incidence of almost 4 per cent among premature infants at this medical center.The onset is most frequent between days 2 and 5 following birth. The most common clin
Publikováno v:
Langenbecks Archiv für Klinische Chirurgie. 308:756-760
Eine kontrollierbare Fistel wurde beim Hund angelegt. Diese Fistel eignet sich sehr gut, um funktionelle oder organische Vorgange in den extrahepatischen Gallengangen verfolgen zu konnen. Es wurden rostfreie Stahlkugeln in die Gallenblase gesetzt und
Publikováno v:
Industrial & Engineering Chemistry. 42:2170-2175
Publikováno v:
Advances in pediatrics. 27
Autor:
J K, Stevenson, D K, Stevenson
Publikováno v:
Surgery annual. 9
Autor:
J K, Stevenson
Publikováno v:
Archives of surgery (Chicago, Ill. : 1960). 124(10)
Publikováno v:
Western journal of surgery, obstetrics, and gynecology. 64(2)