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Articles 811 - 815 of 815
Full-Text Articles in Life Sciences
Attendance Control Techniques: Union Vs. Non-Union Differences In The Southeast United States, S E. Markham, Dow Scott
Attendance Control Techniques: Union Vs. Non-Union Differences In The Southeast United States, S E. Markham, Dow Scott
Dow Scott
This research examines both the rate of absenteeism and the attendance control methods found in a sample of 423 union and non-union organizations located in the Southeast United States. These data indicate that absenteeism rates for union and non-union organizations are not significantly different. Methods of controlling absenteeism are reported for both union and non-union facilities. Implications for the control of absenteeism are discussed.
Sulphate Of Potash For Quality, Kali Export Gesellschaft
Sulphate Of Potash For Quality, Kali Export Gesellschaft
Robert Mikkelsen
No abstract provided.
Sulphate Of Potash For Quality
Sulphate Of Potash For Quality
Removal Of Phosphorus From Static Sewage Effluent By Waterhyacinth, W Harold Ornes
Removal Of Phosphorus From Static Sewage Effluent By Waterhyacinth, W Harold Ornes
W. Harold Ornes
Waterhyacinth [Eichhornia crassipes (Mart.) Solms] was grown in static sewage effluent during May to July 1974 in outdoor concrete containers with a capacity of 760 liters and a surface area of 1.66 m². The plants were removed weekly from one-half of the surface area of the containers during 5-wk growth periods. Tissue phosphorus (P) and nitrogen (N), plant productivity, and some parameters of water quality were measured. A maximum uptake of 5,500 µg of P/g dry weight of plant material occurred when the level of orthophosphate phosphorus (available P) in the effluent was 1.1 µg/ml. Phosphorus in the effluent was …