The effect of changes in employment hours on changes in household task hours
was studied. Data were used from the National Survey of Families and Households
(NSFH) waves one and two. Wave one was a probability sample of 13,017 age 19 and
older in the United States who were interviewed...
The feasibility of utilizing LANDSAT MSS data in
assessing surface cover types and areal extent of clearcut
and shelterwood cut harvest sites in southern Oregon was
The research utilized extensive 'ground truth' information
to evaluate the LANDSAT data. A three faceted
ground truth collection scheme analyzed 1) U.S. Forest...
A critical study of the cold vapor atomic absorption and fluorescence instrumentation for the analysis of mercury is described. Some of the important modifications involve the reduction vessel, absorption cell, fluorescence cell, and radiation source. The new modified systems have much greater calibration sensitivities and lower detection limits than those...
Osteoporosis is a skeletal disease affecting 44 million Americans. A primary strategy to
prevent osteoporosis is to develop a high peak bone mass in youth. Oral Contraceptives
(OCs) alter hormones in women and could affect bone mass development. The
interaction between OCs and skeletal mineralization is poorly understood. PURPOSE: