نتایج جستجو برای: indicator chemical
تعداد نتایج: 450704 فیلتر نتایج به سال:
one of the applications of nanotechnology is use of carbon nanotubes for the targeted delivery of drug molecules. to demonstrate the physical and chemical properties of biomolecules and identify new material of drug properties, the interaction of carbon nanotubes (cnts) with biomolecules is a subject of many investigations. cnts is a synthetic compound with extraordinary mechanical, thermal, el...
The aims of this paper are to determine the reliability and validity of Entrepreneurial Attitude Orientation (EAO) scale as an instrument to measure the entrepreneurial attitudes among business students of higher education institutes of Malaysia. Initially, the EAO scale consisted of 75 items concerning 4 conceptual subscales: achievement in business (23 items), perceived personal control of bu...
Ecological indicators, historical land use, and invasive species detection in the lower Iowa River floodplain." MA has been approved by the Examining Committee for the thesis requirement for the Master of Arts degree in Geography at the May 2014 graduation.
A systematic empirical comparison of different approaches for normalizing citation impact indicators
We address the question how citation-based bibliometric indicators can best be normalized to ensure fair comparisons between publications from different scientific fields and different years. In a systematic large-scale empirical analysis, we compare a traditional normalization approach based on a field classification system with three source normalization approaches. We pay special attention t...
By coupling the bromate-sulfite-ferrocyanide oscillating chemical reaction with the complexation of calcium ion by EDTA, we construct a system that generates periodic pulses of free Ca(2+) with an amplitude of 2 orders of magnitude and a period of ca. 20 min. These pulses may be observed either with a calcium ion-selective electrode or with Arsenazo(III) as an indicator. We describe the systema...
Different graphical tools (Bond Graph, Signed diercted graph, Temporal Causal Garaph, ...) have been developed to perform diagnosis of chemical processes. As hypergraphs generalize graphs in which an edge can connect any number of vertices, this paper aims to generate a hypergraph model-based fault detection and isolation. The directed hypergraph model of chemical reaction kinetics have been us...
The Journal of Physical Chemistry B is published by the American Chemical Society. 1155 Sixteenth Street N.W., Washington, DC 20036 Article Use of Picosecond Fluorescence Dynamics as an Indicator of Exciton Motion in Conjugated Polymers: Dependence on Chemical Structure and Temperature Thomas G. Bjorklund, Sang-Hyun Lim, and Christopher J. Bardeen J. Phys. Chem. B, 2001, 105 (48), 11970-11977 •...
The poverty mapping methodology for estimating welfare rankings from small areas has proven to be useful in guiding allocation of government funds, regional planning, and general policy formulation. Nevertheless, poverty mapping also suffers from a series of by now well recognized shortcomings. We apply an approach based on first order dominance (FOD) to small area estimation. Five advantages t...
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