首页 > 报刊文摘搜索 获得约79396条结果，（用时0.0930秒） 排序： 相关度 |
标题
AbstractThe growth rates of aspergillus, fusarium, and penicillium microorganism colonies in Czapex Dox Agar as a feed material, under room conditions, are observed to be linear. 出版机构：Springer Netherlands 刊物名称：Journal of Biological Physics 出版时间：1990 ISSN：0092-0606 数据源：报刊文摘
SummaryInDrosophila, the terminalia (i.e. internal and external analia and genitalia, except the gonads) are formed by the genital disc. Comparative studies suggested that this disc may have evolved through fusion of the imaginal primordia of the last 3 or 4 abdominal segments. 出版机构：Springer Verlag 刊物名称：Development Genes and Evolution 出版时间：1982 ISSN：0949-944X 数据源：报刊文摘
Without Abstract 出版机构：Springer US 刊物名称：Bulletin of Experimental Biology and Medicine 出版时间：1992 ISSN：0007-4888 数据源：报刊文摘
AbstractChanges in the bacterial quality of drinking water were examined in the supply system of tropical Dar es Salaam, Tanzania. The water treatment fulfilled WHO standard guidelines. 出版机构：Springer Netherlands 刊物名称：World Journal of Microbiology and Biotechnology 出版时间：1996 ISSN：0959-3993 数据源：报刊文摘
This paper presents instrumental variables estimates of the effects of firm tenure, occupation specific work experience, industry specific work experience, and general work experience on wages using data from the 1979 Cohort of the National Longitudinal Survey of Youth. 出版机构：Elsevier Science 刊物名称：Labour Economics 出版时间：2010 ISSN：0927-5371 数据源：报刊文摘
Effects of relative humidity and temperature on subcritical crack growth in igneous rock have been investigated experimentally on samples of Kumamoto andesite and Oshima granite. 出版机构：Elsevier Science 刊物名称：International Journal of Rock Mechanics and Mining Sciences 出版时间：2010 ISSN：1365-1609 数据源：报刊文摘
We examine the impact of natural disasters on annual output growth in Vietnam. Using provincial data for primary and secondary industries, we employ the Blundell?Bond General Method of Moments procedure to estimate the impact of disasters on the macroeconomy. 出版机构：Elsevier Science 刊物名称：Journal of Asian Economics 出版时间：2010 ISSN：1049-0078 数据源：报刊文摘
Previously, we have shown manganese superoxide dismutase (MnSOD) activity protects quiescent human normal skin fibroblasts (NHFs) from age associated loss in proliferative capacity. The loss in proliferative capacity of aged vs. 出版机构：Elsevier Science 刊物名称：Mitochondrion 出版时间：2010 ISSN：1567-7249 数据源：报刊文摘
Numerous studies addressing annual timing of planulation in scleractinians document a tightly synchronized process that coincides with lunar periodicity. In contrast, diel variation has received little attention, yet it may have important implications for post-metamorphic success. 出版机构：Elsevier Science 刊物名称：Journal of Experimental Marine Biology and Ecology 出版时间：2010 ISSN：0022-0981 数据源：报刊文摘
We investigate regional patterns in employment of less-educated men in Japan from 1990 to 2007. The employment?population ratio of junior high school graduate men (9 years of compulsory schooling) decreased from 1990 to 2007. 出版机构：Elsevier Science 刊物名称：Japan and the World Economy 出版时间：2010 ISSN：0922-1425 数据源：报刊文摘
|
