نتایج جستجو برای: First-order kinetic (FOK)
تعداد نتایج: 2221409 فیلتر نتایج به سال:
in this thesis a calibration transfer method is used to achieve bilinearity for augmented first order kinetic data. first, the proposed method is investigated using simulated data and next the concept is applied to experimental data. the experimental data consists of spectroscopic monitoring of the first order degradation reaction of carbaryl. this component is used for control of pests in frui...
objective(s): the quantitative calculation of release data is more facil when mathematics come to help. mathematically modeling could aid optimizing and amending the delivery systems design. aim of this study is to find out the isoniazid release kinetic. methods: in this work degradable temperature sensitive dextran-hydroxy ethyl methacrylate- poly-n-isopropyl acryl amide (dex-hema-pnipaam) nan...
Caicedo, X., Compactness and normality in abstract logics, Annals of Pure and Applied Logic 59 (1993) 33-43. We generalize a theorem of Mundici relating compactness of a regular logic L to a strong form of normality of the associated spaces of models. Moreover, it is shown that compactness is in fact equivalent to ordinary normality of the model spaces when L has uniform reduction for infinite ...
Previous investigations of the feeling of knowing (FOK) have relied on absolute FOK judgements rather than on relative FOK judgments. This has resulted in a confounding of (1) the subject’s metamemorial knowledge of nonrecalled items with (2) the subject’s know/don’tknow threshold. The new technique replaces the absolute FOK judgments with relative FOK judgments in which the subject generates (...
the aim of this paper is eliminating cr(vi) by natural hap. hap is a inexpensive material which is used from bovine critical bone ash in order to remove heavy metal ions like cr(vi). some experiments in different ph are performed (ph=2,3,7). maximum adsorption was appeared at ph=2, dosage=0.3 gr, c0=10 mg/l. cr(vi) removal depends on ph value and initial amount of cr(vi) result of experiments w...
Rats secrete saliva in response to heat. In the present study, details of thermal salivation were investigated using the FOK rat in comparison with Sprague-Dawley (SD), Donryu, and ACI rats. The FOK rat is a strain inbred for genotypic heat adaptation and endures heat for long periods. Conscious rats of all four strains were exposed to 42.5 degrees C. The order of heat endurance times at this t...
In feeling of knowing (FOK) studies, participants predict subsequent recognition memory performance on items that were initially encoded but that cannot presently be recalled. Research suggests that FOK judgment magnitude may be influenced by the total amount, or quantity, of contextual information retrieved related to the unrecalled target (e.g., Koriat, 1993). The present study examined the c...
Feature structures are a representational device used in several current linguistic theories. This paper shows how these structures can be axiomatized in a decidable class of first-order logic, which can also be used to express constraints on these structures. Desirable properties, such as compactness and decidability, follow directly. Moreover, additional types of feature values, such as "set-...
the kinetic of photo oxidative decolorization of c.i. acid yellow 23 (ay23) was investigated in uv/ process. the semi-logarithmic of the concentrations of ay23 versus irradiation time were linear, suggesting pseudo-first order reaction. a simple kinetic model is proposed which confirms pseudo- first order reaction. the results indicate that the apparent reaction rate constant is a function of l...
Catch crops are an effective method for reducing nitrogen (N) leaching in agriculture, but the mineralization of incorporated catch crop residue N is difficult to predict and model. We conducted a five-month incubation experiment using fresh from three (hairy vetch, fodder radish ryegrass) with temperature treatments (2 °C, 15 °C 2–15 variable temperature) two termination methods (glyphosate un...
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