منابع مشابه
Biology and Water Pollution Control
The Gm and In V allotypes of serum are inherited in Mendelian fashion and their existence imposes important constraints on current theories of immunoglobulin synthesis. The incidences of particular factors vary markedly with different population groups, a fact of anthropological interest. In medico-legal investigations allotypes can aid in cases of disputed parentage (both paternal and maternal...
متن کاملProgress in the Control of Stream Pollution in Indiana
enable us to undertake the building of roads in the more hilly sections of the county. One shovel and the necessary trucks and graders will be used on construction, while the other shovel and the remainder of the trucks will be free for loading and hauling the much-needed material required for maintain ing the remainder of our roads. Thus we expect in the coming year to give better service to ...
متن کاملWater pollution control in petroleum refineries in the United States.
The principal use of water by the petroleum refining industry in the United States of America is in the refining branch itself, and the present paper is concerned with problems arising from this use of water, and some of the measures being taken by the industry to solve these problems. The compilation oftheManualonDisposalof Refinery Wastes is briefly alludedto, and the importance ofrecirculati...
متن کاملThe Role of Tradable Permits in Water Pollution Control
ion Taxes Subsidies for Pollution Control Tradable Discharge Permits Effluent Charges Surface Water / Sea Ground Water Municipal Use Public Water
متن کاملWater Pollution Progress at Borders: The Role of Changes in China’s Political Promotion Incentives
Table A1. COD Discharges and Its Determinants with Station Fixed Effects Independent variables (1) (2) (3) (4) (5) Boundary×Post2005 -2.138** -2.012** (0.923) (0.898) Boundary ×Time_Trend -0.543*** (0.209) Proximity to Boundary ×Post2005 -0.129*** (0.044) Proximity to Boundary ×Time_Trend -0.052*** (0.011) Station dummy Yes Yes Yes Yes Yes Year dummy Yes Yes Yes Yes Yes Temperature Yes Yes Ye...
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ژورنال
عنوان ژورنال: Public Health Reports (1896-1970)
سال: 1952
ISSN: 0094-6214
DOI: 10.2307/4588290