Zobrazeno 1 - 10
of 88
pro vyhledávání: '"D G, Hill"'
Publikováno v:
Energy Sources, Part A: Recovery, Utilization, and Environmental Effects. 33:805-822
Based on laboratory experiments and several tests, the application of direct electric current to enhance oil recovery appears to be a cost-effective technology. It can be used for both heavy and light crudes. The technology is based primarily on elec
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8eadad05e04a4f6182256791f7c3fe3b
https://doi.org/10.1080/15567036.2010.514843
https://doi.org/10.1080/15567036.2010.514843
Publikováno v:
International Technical Digest on Electron Devices.
Two sets of pnp AlGaAs/GaAs heterojunction bipolar transistors (HBTs) compatible with planar processing have been fabricated using a dual selective etching technique. Both sets of HBTs have a 300-AA strained InGaAs base; one has a built-in base quasi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f2b6e7a6ec9d15fbf6fd1b1802950eb0
https://doi.org/10.1109/iedm.1990.237111
https://doi.org/10.1109/iedm.1990.237111
Publikováno v:
Journal of The Electrochemical Society. 137:2912-2914
Two solutions for selectively etching on and on are presented. A solution of is shown to have a etch rate more than 50 times higher than the etch rate of . A solution of etches both and selectively relative to , with a selectivity of 8 or more for.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::28dfa18681f44ea9d587cf2aac0a9cd5
https://doi.org/10.1149/1.2087098
https://doi.org/10.1149/1.2087098
Publikováno v:
Electronics Letters. 26:2000
High performance Pnp AlGaAs/InGaAs heterojunction bipolar transistors (HBTs) have been fabricated. The transistors have a 300 A strained InGaAs base, with indium composition linearly graded from 0 to 15%. The cutoff frequency and maximum oscillation
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c802941f9e7015172a364b565e538bd0
https://doi.org/10.1049/el:19901293
https://doi.org/10.1049/el:19901293
Publikováno v:
Physiologia Plantarum. 48:111-115
Field bean (Vicia faba L.) cv. Maris Bead seeds were inoculated with Rhizobium Catalogue No. 1001, supplied by Rothamsted Experimental Station, and grown in sand culture supplied with a complete nutrient solution which included nitrate at either 1.5
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::acfd20b889cb8caa265a7712c0b263ea
https://doi.org/10.1111/j.1399-3054.1980.tb03227.x
https://doi.org/10.1111/j.1399-3054.1980.tb03227.x
Publikováno v:
Journal of the Science of Food and Agriculture. 26:165-173
Young apple trees growing in pots of soil were treated with N-15 labelled potassium nitrate or urea at different times of year. Over periods of several months whole trees were harvested and divided into their component tissues for total N and N-15 an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::08881f0143510b3e5a80308141fb8eb7
https://doi.org/10.1002/jsfa.2740260207
https://doi.org/10.1002/jsfa.2740260207
Publikováno v:
Physiologia Plantarum. 38:313-318
The absorption of nitrate by field bean plants at different times of development was investigated to determine the distribution and subsequent utilization of N up to the maturity of the beans. Nodulated plants were grown in sand culture and pulse-lab
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::99ade47e597ed585fdb8b712889d6cd1
https://doi.org/10.1111/j.1399-3054.1976.tb04011.x
https://doi.org/10.1111/j.1399-3054.1976.tb04011.x
Publikováno v:
Journal of Horticultural Science. 55:199-205
The leaves of three-year-old apple trees, cv Cox’s Orange Pippin, were painted with 14C labelled daminozide in June. At intervals from 24 after treatment until December whole trees were sampled to measure the recovery of total radioactivity and its
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ffe019c64f9998514e8eab10d36f0858
https://doi.org/10.1080/00221589.1980.11514923
https://doi.org/10.1080/00221589.1980.11514923
Autor:
K. Lewer Allen, D. G. Hill
Publikováno v:
Medical & Biological Engineering & Computing. 15:666-672
The advantages and disadvantages of the method of passive radio telemetry for the measurement of cerebrospinal fluid pressure are first discussed, followed by a general technical description of the methods of construction and implantation of the tran
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::311e8d601ee9e39ee821e1d6f2caa7fe
https://doi.org/10.1007/bf02457925
https://doi.org/10.1007/bf02457925
Autor:
Adrian D. G. Hill
Publikováno v:
Journal of Energy & Natural Resources Law. 5:213-224
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b01afd255c0fa3ac7bf26774ab0817ac
https://doi.org/10.1080/02646811.1987.11433590
https://doi.org/10.1080/02646811.1987.11433590