نتایج جستجو برای: field observations
تعداد نتایج: 1035434 فیلتر نتایج به سال:
the paper contains the first report on the biology of snail-killing flies (sciomyzidae) in khuzestan. it is based on field and laboratory studies conducted during november 1971 and april 1973, as well as field observations in may 1972, at the dezful medical research station. additional biological information obtained during studies is given for pherbellia fuscipes (macaquart), p.grisescens (mei...
this paper is a concise field report of tafresh earthquake of december 19, 1980 which shook the cities of saveh, qom, arak and nearby villages. observations from the earthquake effects on the buildings and the causes of their failures are discussed briefly.
Behavioral assays constitute important research tools when assessing how fish respond to environmental change. However, it is unclear how behavioral modifications recorded in laboratory assays are expressed in natural ecosystems, a limitation that makes it difficult to evaluate the predictive power of laboratory-based measurements. In this study, we hypothesized that exposure to a benzodiazepin...
This paper presents data obtained during the NICMOS Guaranteed Time Observations of a portion of the Hubble Deep Field. The data are in a catalog format similar to the publication of the original WFPC2 Hubble Deep Field Program (Williams et al. 1996). The catalog contains 342 objects in a 49.1 × 48.4 subfield of the total observed field, 235 of which are considered coincident with objects in th...
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