نتایج جستجو برای: hetero structure

تعداد نتایج: 1571933  

Journal: :Angewandte Chemie 2022

A pentabenzopentaaza[10]circulene has been synthesized as the largest fully conjugated hetero[n]circulene via a fold-in oxidative fusion reaction of an ortho-phenylene-bridged cyclic pyrrole pentamer. This circulene takes saddle-distorted structure with bond lengths central ten-membered-ring in range 1.455–1.493 Å. Relatively broad absorption and fluorescence spectra were observed, which reflec...

Journal: :Srpski arhiv za celokupno lekarstvo 2011
Katarina Djokić-Pjescić Radmila Ristić-Dimitrijević Milutin Nenadović Slobodan Jovicić Sonja Nesić Tatjana Rajcić Tatjana Vlasković Nikolaos Klidonas

INTRODUCTION Hetero-aggressive behaviour in patients with mental disorders is frequent and requires special skills of doctors and other medical staff in order to urgently protect the patient and indicate hospitalization. OBJECTIVE The objective of this paper was to examine the frequency of the most common diagnostic categories in psychiatric patients with hetero-aggressive behaviour. The seco...

2016
A. P. Jones

The origin of the diffuse interstellar bands (DIBs), one of the longest-standing mysteries of the interstellar medium (ISM), is explored within the framework of The Heterogeneous dust Evolution Model for Interstellar Solids (THEMIS). The likely nature of the DIB carriers and their evolution is here explored within the framework of the structures and sub-structures inherent to doped hydrogenated...

2017
Huan Chen Peipei Zhang Haining Cui Weiping Qin Dan Zhao

Hexagonal phase (β) sodium rare earth tetrafluorides (NaREF4, RE = Y, Gd, Lu, et al.) are considered the ideal matrices for lanthanide (Ln) ions doped upconversion (UC) luminescence materials, because they can provide favorable crystal lattice structures for the doped luminescent Ln ions to make intensive emissions. However, the cubic phase (α) NaREF4 always preferentially forms at low reaction...

2017
Chong-Rong Wu Xiang-Rui Chang Chao-Hsin Wu Shih-Yen Lin

A growth model is proposed for the large-area and uniform MoS2 film grown by using sulfurization of pre-deposited Mo films on sapphire substrates. During the sulfurization procedure, the competition between the two mechanisms of the Mo oxide segregation to form small clusters and the sulfurization reaction to form planar MoS2 film is determined by the amount of background sulfur. Small Mo oxide...

2017
N. Feng Y. Yao

The fuzzy morphological associative memories (FMAM) have many attractive advantages, but their recall effects for hetero associative memories are poor. This shortcoming impedes the application of hetero-FMAM. Aiming at the problem, and inspired by the unified framework of morphological associative memories, a new method called no rounding reverse fuzzy morphological associative memories (NRFMAM...

2017
Parth Sarthi Sen Gupta Shyamashree Banerjee Rifat Nawaz Ul Islam Vishma Pratap Sur Amal K. Bandyopadhyay

Orthologous proteins, form due to divergence of parental sequence, perform similar function under different environmental and biological conditions. Amino acid changes at locus specific positions form hetero-pairs whose role in BLOCK evolution is yet to be understood. We involve eight protein BLOCKs of known divergence rate to gain insight into the role of hetero-pairs in evolution. Our procedu...

Journal: :CoRR 2014
Dong Zhao Huadong Ma Liang Liu

Mobile Crowd Sensing (MCS) is a new paradigm which takes advantage of pervasive smartphones to efficiently collect data, enabling numerous novel applications. To achieve good service quality for a MCS application, incentive mechanisms are necessary to attract more user participation. Most of existing mechanisms apply only for the offline scenario where all users’ information are known a priori....

Journal: :Nanoscale 2012
Hui Zhang Bin Dong Tian Zhou Christopher Y Li

Hetero-nanoparticles represent a new class of nanomaterials exhibiting intriguing multifunctional and collective properties which could find applications in photovoltaics, fuel-cell catalysis, medical imaging and therapy, and electronics. In this paper, we report a novel polymer-single-crystal-templating (PSCryT) approach for the controllable synthesis of hetero-nanoparticles. 2D polymer single...

2016
A P Jones

The origin of the diffuse interstellar bands (DIBs), one of the longest-standing mysteries of the interstellar medium (ISM), is explored within the framework of The Heterogeneous dust Evolution Model for Interstellar Solids (THEMIS). The likely nature of the DIB carriers and their evolution is here explored within the framework of the structures and sub-structures inherent to doped hydrogenated...

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