نتایج جستجو برای: organic functional

تعداد نتایج: 775546  

2013

Organic conductors exhibit unusual physical properties due to the critical nature of valence electrons fluctuating under localizing and delocalizing regime. Recently, we discovered that an organic superconductor, α-(BEDT-TTF)2I3 [BEDTTTF: bis(ethylenedithio)tetrathiafulvalene], induces optical second-harmonic generation (SHG) along with charge-ordering driven by the repulsive electron-electron ...

2009
D. A. Day S. Takahama S. G. Gilardoni L. M. Russell

Organic functional group and elemental concentrations were measured with Fourier transform infrared (FTIR) spectroscopy and X-ray fluorescence (XRF) from an aircraft platform as part of the Intercontinental Chemical Transport Experiment – Phase B (INTEX-B) conducted over the eastern Pacific and western North America. Single particle spectra were obtained using scanning transmission X-ray micros...

2016
M. D. Petters S. M. Kreidenweis P. J. Ziemann

A wealth of recent laboratory and field experiments demonstrate that organic aerosol composition evolves with time in the atmosphere, leading to changes in the influence of the organic fraction to cloud condensation nuclei (CCN) spectra. There is a need for tools that can realistically represent the evolution of CCN activity to better predict indirect effects of organic aerosol on clouds and cl...

Journal: :Environmental Health Perspectives 1989
Y Soma M Soma

Chemical reactions of organic compounds including pesticides at the interlayer and exterior surfaces of clay minerals and with soil organic matter are reviewed. Representative reactions under moderate conditions possibly occurring in natural soils are described. Attempts have been made to clarify the importance of the chemical nature of molecules, their structures and their functional groups, a...

1996
Itsuki Noda Hideyuki Nakashima

Gaea[NNHF] is an instance of organic programming methodology, as Smalltalk is of object oriented programming. In the case of object oriented programming, there are combinations with procedural language (Smalltalk, C++), functional programming (LOOPS), and logic programming (ESP[Chi83]). The same variety of combinations are possible in organic programming. Gaea is a logic programming language.

Journal: :The Science of the total environment 2014
Yuting Liang Huihui Zhao Xu Zhang Jizhong Zhou Guanghe Li

To compare the functional gene structure and diversity of microbial communities in saline-alkali and slightly acidic oil-contaminated sites, 40 soil samples were collected from two typical oil exploration sites in North and South China and analyzed with a comprehensive functional gene array (GeoChip 3.0). The overall microbial pattern was significantly different between the two sites, and a mor...

Journal: :Chemical communications 2012
Damien Rankine Antonio Avellaneda Matthew R Hill Christian J Doonan Christopher J Sumby

By intimate control of reaction conditions, phase-pure crystalline porous metal-organic framework materials [Zn(4)O(L)(3)] with interpenetrated and non-interpenetrated structures can be synthesised. Under certain conditions, these reactions occur with concomitant deprotection of masked alcohols located on the organic links which yield accessible 'metal-binding' functional groups within the fram...

M. Ghomi Gilvaee M. R. Khanlary, Sh. Ghammamy

Calcium fluoride nanoparticles with special amount of cerium ion (%1) were synthesized by coprecipitation. Fourier transforms infrared spectroscopy (FTIR), X-ray diffraction (XRD), absorption and photoluminescence (PL) from CaF2Ce nanoparticles has been investigated. FTIR spectra reveal that there are some amounts of OH, NO3 and other organic functional groups on the parti...

Journal: :News in physiological sciences : an international journal of physiology produced jointly by the International Union of Physiological Sciences and the American Physiological Society 2000
Akos Zsembery Theresia Thalhammer Jürg Graf

A large number of membrane transport mechanisms in hepatocytes and cholangiocytes serves for the secretion of bile acids, various other organic anions, organic cations, lipids, and electrolytes. After their functional characterization, some of these mechanisms' individual transport molecules are now identified, allowing better understanding of inherited and acquired disorders of bile formation.

Journal: :Philosophical transactions. Series A, Mathematical, physical, and engineering sciences 2008
Gunzi Saito Tsuyoshi Murata

Mixed-valence (partial charge transfer state) and segregated stacking are the key factors for constructing organic metals. Here, we discuss the ionicity phase diagrams for a variety of charge transfer systems to provide a strategy for the development of functional organic materials (Mott insulator, semiconductor, superconductor, metal, complex isomer, neutral-ionic system, etc.).

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