نتایج جستجو برای: versatility
تعداد نتایج: 9217 فیلتر نتایج به سال:
We introduce a concept of diversity of interests or versatility of a member of an open-collaboration environment such as Wikipedia and aim to study how versatility influences the work quality. We introduce versatility measure based on entropy. In preliminary experiments on Wikipedia data we indicate the positive role of editors’ versatility on the quality of the articles they co-edit.
geothermal energy because of its versatility has extensive applications in power generation, industry, agriculture, treatment of diseases etc: ...this source of energy has received great attention in recent years many countries in the world are benefiting from it. it possesses an eternal heat source and is pollution free. in this article it is tried to demonstrate the importance of georhermal e...
Bird necks display unparalleled levels of morphological diversity compared to other vertebrates, yet it is unclear what factors have structured this variation. Using three-dimensional geometric morphometrics and multivariate statistics, we show that the avian cervical column a hierarchical morpho-functional appendage, with varying magnitudes ecologically driven osteological variation at differe...
We discuss a robotic module called a Molecule. Molecules can be the basis for building selfreconfiguring robots. They support multiple modalities of locomotion and manipulation. We describe the design, functionality, and control of the Molecule. We show how a set of Molecules can aggregate as active three-dimensional structures that can move and change shape. Finally, we discuss global motion a...
The ability of RNA to both store genetic information and catalyse chemical reactions has led to the hypothesis that it predates DNA and proteins. While there is no doubt that RNA is capable of storing the genetic information of a primitive organism, only two classes of reactions-phosphoryl transfer and peptide bond formation-have been observed to be catalysed by RNA in nature. However, these na...
Examples from various plant and animal groups indicate that there has been a general increase in potential versatility of form, determined by the number and range of independently varying morphogenetic parameters, among taxa appearing at successively younger stages in the fossil record. Taxa or body plans with higher potential versatility have tended to replace less potentially versatile groups...
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