نتایج جستجو برای: daisy
تعداد نتایج: 917 فیلتر نتایج به سال:
We have used the "threading-followed-by-swelling" approach to fix a daisy chain structure in solution, leading to the isolation of a captured [c2]daisy chain in 77% yield.
Since the local feature-based methods recognize interior content and utilize the rich information of the sketches and 2D views of 3D model, this paper proposes a novel sketch-based 3D model retrieval algorithm which utilizes local feature descriptors to describe the object shape. Firstly, we propose PCA-DAISY descriptor to create the efficient local feature descriptors. The DAISY descriptor con...
We investigate the effective potential for a scalar Φ 4 theory with spontaneous symmetry breaking and finite temperature. All 'daisy' and 'super daisy' diagrams are summed up and the properties of the correspponding gap eqation are investigated. It is shown exactly that the phase transition is first order.
MOTIVATION Horizontal gene transfer (HGT) is a fundamental mechanism that enables organisms such as bacteria to directly transfer genetic material between distant species. This way, bacteria can acquire new traits such as antibiotic resistance or pathogenic toxins. Current bioinformatics approaches focus on the detection of past HGT events by exploring phylogenetic trees or genome composition i...
An ideal gene drive system to alter wild populations would 1) exclusively affect organisms within the political boundaries of consenting communities, and 2) be capable of restoring any engineered population to its original genetic state. Here we describe 'daisy quorum' drive systems that meet these criteria by combining daisy drive with underdominance. A daisy quorum drive system is predicted t...
of Dissertation Presented to the Graduate School of the University of Florida in Partial Fulfillment of the Requirements for the Degree of Doctor of Philosophy A DAISY-CHAINING APPROACH FOR VISION-BASED CONTROL AND ESTIMATION By Siddhartha S. Mehta April 2010 Chair: Dr. Warren E. Dixon Co-Chair: Dr. Prabir Barooah Major: Mechanical Engineering The research presented in this dissertation monogra...
The emergence of the modern information society and the rapid development of Information and Communications Technology (ICT) has spurred libraries serving visually impaired people to cooperate globally in order to manage the transition from analog to digital services. The formation of the DAISY Consortium in 1996 led to the concept and fundamental ideas of the digital talking book. The result i...
For many positive odd integers n, whether prime or not, the set Un of units of Zn contains members t, u, v and w, say with respective orders τ , ψ, ω and π, such that we can write Un as the direct product Un = 〈t〉 × 〈u〉 × 〈v〉 × 〈w〉. Each element of Un can then be written in the form tuvw where 0 ≤ h < τ , 0 ≤ i < ψ, 0 ≤ j < ω and 0 ≤ k < π. We can then often use the structure of 〈t〉 × 〈u〉 × 〈v〉...
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