منابع مشابه
Cleat Development in Some British Columbia Coals
Many coal seams contain coalbed methane (CBM) yet most of the world’s production comes from the San Juan Basin in the United States. In fact CBM production from this basin of about 0.9 tcf/yr accounts for about 80% of the CBM production in the US (1.2 tcf/yr) and about 60% of world production. Success in the San Juan Basin is not because of increased gas content in the coals compared to coals i...
متن کاملMedical history of British Columbia: some aspects.
thrombosis will not occur. If the flow is poor, heparin will not help. Prevention of most of the complications from femoral artery puncture could probably be achieved by the following precautions. (1) Never catheterize an artery in a patient with poly-cythaemia. (2) Puncture the common femoral artery, not the external iliac. (3) Do not use excessive or prolonged pressure to arrest bleeding, par...
متن کاملBritish Columbia.
Affum as p a r t of a Commission and t h e B r i t i s h Columbia Round Table o n t h e Environment and t h e Economy. I t is p a r t of a series of background reports d e a l i n g with i s s u e s which Round T a b l e committees considered i m p o r t a n t t o t h e development of a sustainable development strategy i n B r i t i s h Columbia. and i s intended t o provide information which w...
متن کاملSome epidemiological aspects of Down's syndrome in British Columbia.
If an infectious illness causes congenital malformations then those malformations would be expected to occur in clusters as does the infection itself. There is some evidence that chromosomal abnormalities may be non-randon-that is, that cases occur in clusters (Robinson and Puck, 1965; Hecht, Bryant, Gruber, and Townes, 1964; Day, 1966). Many workers have speculated on the cause of this "nonran...
متن کاملSome Slashburning Effects on Soil and Trees in British Columbia
Studies on slashburning effects in British Columbia have yielded a range ofresults. On some sites, fire effects on soil temperatures or competing vegetation may account for better tree growth on burned than unburned areas. In some cases, short-term effects on browse damage may temporarily obscure long-term effects on height growth. Slashburning effects on tree nutrient status vary between study...
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ژورنال
عنوان ژورنال: The Auk
سال: 1912
ISSN: 0004-8038,1938-4254
DOI: 10.2307/4071396