نتایج جستجو برای: up growth
تعداد نتایج: 1683160 فیلتر نتایج به سال:
Significance Branching processes underpin the complex evolution of many real systems. However, network models typically describe growth in terms a sequential addition nodes. Here, we measured networks—journal citations and international trade—over 100-y period found that they grow self-similar way preserves their structural features over time. This observation can be explained by geometric bran...
One dimensional graphene nanostructures are one of the most promising materials for next generation electronics. Here, chemical vapor depostion growth nanoribbons (GNRs) and nanospears (GNSs) on a copper surface is reported. The GNRs GNSs enabled by vapor–liquid–solid (VLS) mechanism guided on-surface propagation liquid Cu-Si catalyst particle. slow lateral fast VLS vertical give rise to spear ...
The notion of $f$-derivations of UP-algebras is introduced, some useful examples are discussed, and related properties are investigated. Moreover, we show that the fixed set and the kernel of $f$-derivations are UP-subalgebras of UP-algebras,and also give examples to show that the two sets are not UP-ideals of UP-algebras in general.
Introduction: Considering the importance of communication skills in nursing educators, in terms of having educational and practical experiences and amenability as well as student acceptance as a mentor, have an important role in shaping students’ behavior including emotional growth behaviors. The aim of this study was to improve the emotional growth of nursing students based on growing up and r...
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