نتایج جستجو برای: selectivity factor

تعداد نتایج: 887182  

2014
Kate T. Snyder Nicole A. Freidenfelds Tom E. X. Miller K. T. Snyder N. A. Freidenfelds

Harvesting for food or sport is often non-random with respect to demographic state, such as size or life stage. The population-level consequences of such selective harvesting depend upon which states are harvested and how those states contribute to population dynamics. We focused on a form of selective harvesting that has not previously been investigated in an experimental context: sex-selectiv...

1993
David R. Lovell

In Fukushima's neocognitron, the S-cell selectivity parameters have a profound eeect on the classiication performance of the network. To date, no one has presented a successful approach to determining these parameters so as to maximize the neocognitron's correct recognition rate. This paper presents two new algorithms for adjusting S-cell selectivities. The rst method | Sub-Optimal Feature Trai...

Journal: :Electrophoresis 2004
Cevdet Akbay Shahab A Shamsi

The influence of surfactant hydrocarbon tail on the solute/pseudostationary phase interactions was examined. Four anionic sulfated surfactants with 8-, 9-, 10-, and 11-carbon chains having a polymerizable double bond at the end of the hydrocarbon chain were synthesized and characterized before and after polymerization. The critical micelle concentration (CMC), polarity, and aggregation number o...

Journal: :IEEE Access 2021

The enhancement factor is one of the key parameters characterizing phenomenon surface-enhanced Raman scattering. At present, this parameter described by an empirical formula or a certain single physical mechanism instead unified model chemical and electromagnetic mechanisms. It necessary to integrate dual mechanisms SERS more accurately obtain with molecular selectivity. Therefore, we propose q...

2015
Ivana Uzelac Thomas Olsson Leif A. Eriksson Johan Gottfries

A method for analyzing the protein site similarity was devised aiming at understanding selectivity of homologous proteins and guiding the design of new drugs. The method is based on calculating Cα distances between selected pocket residues and subsequent analysis by multivariate methods. Five closely related serine proteases, the coagulation factors II, VII, IX, X, and XI, were studied and thei...

2004
Carissa Ganapathy

The Department of Pesticide Regulation Environmental Monitoring Branch has successfully used ELISA for analyses of pesticides in soil and water samples for over a decade using both in-house assays (Goh 1992a, 1992b, 1993, 1996) and commercially available kits (Goh 1990, 1991). We recently evaluated a commercial diazinon kit for its sensitivity, selectivity, accuracy and precision, etc. for surf...

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