Announcement: Offprints and Reprints from Environmental Conservation
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چکیده
منابع مشابه
Reprints and Reflections
Until 1900 death rates in middle age were high and worsening (Figure 1a), but about the turn of the century sanitary reform began to show results in this age group. Mortality rates for both men and women began to fall, and they continued to fall fairly sharply until the 1920s. Then something happened. Female mortality maintained its downward course; but the reduction of male mortality slackened...
متن کاملReprints and Reflections
In this contribution we put forward a novel hypothesis concerning the aetiology of Type 2 (non-insulin dependent) diabetes mellitus. The concept underlying our hypothesis is that poor foetal and early post-natal nutrition imposes mechanisms of nutritional thrift upon the growing individual. We propose that one of the major long-term consequences of inadequate early nutrition is impaired develop...
متن کاملOFFPRINTS FROM GRAPH THEORY AND ITS APPLICATIONS TO ALGOltl
During my long life I wrote many papers of similar title. To avoid repetitions and to shorten the paper I will discuss almost entirely recent problems'and will not give proofs. First of all I discuss some problems which came up during a recent visit to Calgary. An old problem in graph theory states that if 0 1 and 0 2 both have chromatic number 2 k then G 1 x 0 2 also has chromatic number k k. ...
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A large number of researchers have studied the behavior of infilled frames. It is evident through their studies that infill walls can provide both an economic and practical means for the lateral stability of framed structures and a viable alternative for retrofitting existing structures to resist seismic, wind, and blast loads. Despite this, there is reluctance from the engineering community to...
متن کاملReprints and Reflections
This paper is a review of experiments, performed in our laboratory during the past 20 years, designed to analyse the significance of different components of random variability in quantitative traits in laboratory rats and mice. Reduction of genetic variability by using inbred strains and reduction of environmental variability by highly standardized husbandry in laboratory animals did not remark...
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ژورنال
عنوان ژورنال: Environmental Conservation
سال: 1993
ISSN: 0376-8929,1469-4387
DOI: 10.1017/s0376892900037164