منابع مشابه
Catalase and Oxidase Content of Seeds in Re- Lation to Their Dormancy, Age, Vitality, and Respiration
For some years the Seed-Testing Laboratories of the Bureau of Plant Industry has been using daily alternating temperatures for the germination of certain seeds. In these alternations the lower temperature is used about 18 hours and the higher temperature about 6 hours of the day. Alternating temperatures are found especially favorable for the germination of the seeds of certain grasses: Johnson...
متن کاملDeductive Analysis of the TERM of Urban Vitality With Indigenous Vitality in historic background in Isfahan
Urban vitality is a new term in the specialized literature of urban planning. Despite numerous definitions of vitality by experts, These definitions are defined according to different aspects of vitality, equivalent to the socio-cultural characteristics of other countries. But vitality existed in cities before it became known in the urban literature and had different definitions in each culture...
متن کاملSocial Vitality from the Perspective of Psychologists
Introduction: Joy and cheerfulness is the missing thing of contemporary man and the common desire of all people. Man is a purposeful being who seeks joy, happiness, and prosperity, and he does not feel joy, happiness, and prosperity until he achieves what he wants. The cheerfulness is one of the factors affecting economic, social, cultural, and political development and promotes sustainable dev...
متن کاملSocial Vitality from the Perspective of Psychologists
Introduction: Joy and cheerfulness is the missing thing of contemporary man and the common desire of all people. Man is a purposeful being who seeks joy, happiness, and prosperity, and he does not feel joy, happiness, and prosperity until he achieves what he wants. The cheerfulness is one of the factors affecting economic, social, cultural, and political development and promotes sustainable dev...
متن کاملthe effect of taftan pozzolan on the compressive strength of concrete in the environmental conditions of oman sea (chabahar port)
cement is an essential ingredient in the concrete buildings. for production of cement considerable amount of fossil fuel and electrical energy is consumed. on the other hand for generating one tone of portland cement, nearly one ton of carbon dioxide is released. it shows that 7 percent of the total released carbon dioxide in the world relates to the cement industry. considering ecological issu...
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ژورنال
عنوان ژورنال: Nature
سال: 1887
ISSN: 0028-0836,1476-4687
DOI: 10.1038/035414f0