منابع مشابه
Fabled oaks hope
Two aspects of the genetics of floral traits in Aquilegia have been studied: flower color and flower development. A recent comparative study showed that species that did not produce floral anthocyanins (the red and blue pigments in most flowers) also had significantly lower expression levels for multiple genes needed to produce the pigments. However, crossing studies suggest that a single gene ...
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We explain how the prototype automatic chess problem composer, Chesthetica, successfully composed a rare and interesting chess problem using the new Digital Synaptic Neural Substrate (DSNS) computational creativity approach. This problem represents a greater challenge from a creative standpoint because the checkmate is not always clear and the method of winning even less so. Creating a decisive...
متن کاملsubmerged and non - submerged titanium implants
The present experiment was performed to study the peri-implant tissue response to non-submerged (1-stage) and initially submerged (2-stage) implant installation procedures. 6 beagle dogs were used. All mandibular premolars and the 1st, 2nd and 3rd maxillary premolars were extracted. After 3 months of healing, 3 fixtures of the Astra Tech System were installed and submerged in the right (or the ...
متن کاملSubmerged and Impacted Primary Molars
Submerged tooth is the one that is depressed below the occlusal plane. Dental ankylosis is thought to be a major cause of submergence. Submerged deciduous teeth have the potential to cause malocclusion not only by prevention of their exfoliation and subsequent replacement by permanent teeth but also by causing tilting of proximal teeth and extrusion of opposing tooth. The purpose of this report...
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ژورنال
عنوان ژورنال: Scientific American
سال: 1907
ISSN: 0036-8733
DOI: 10.1038/scientificamerican09281907-219