نتایج جستجو برای: optimization reaction conditions
تعداد نتایج: 1502546 فیلتر نتایج به سال:
abstract: in this thesis, we focus to class of convex optimization problem whose objective function is given as a linear function and a convex function of a linear transformation of the decision variables and whose feasible region is a polytope. we show that there exists an optimal solution to this class of problems on a face of the constraint polytope of feasible region. based on this, we dev...
we developed biofunctionalized nanoparticles with magnetic properties by immobalizing diethyle-neglycol (deg) on gd2o3, and pegilation of small particulate gadolinium oxide (spgo) with two me-thoxy-polyethyleneglycol-silane (mpeg-silane 550 and 2000 da) using a new supervised polyol route, described recently. in conjunction to the previous study to achieve a high quality synthesis and increase ...
this work described an efficient pseudo four-component synthesis of (10e)-n-benzylidene-2-phenylh-imidazo[1,2-a]pyridin-3-amine derivatives from 2-aminopyridin, malononitrile and arylaldehydes in the presence of naoh under solvent-free and conventional heating condition in good to excellent yields. a wide range of aromatic aldehydes would easily undergo condensations with 2-aminopyridin and mal...
for large and complex reacting systems, computational efficiency becomes a critical issue in process simulation, optimization and model-based control. mechanism simplification is often a necessity to improve computational speed. we present a novel approach to simplification of reaction networks that formulates the model reduction problem as an optimization problem and solves it using genetic al...
This work described an efficient Pseudo four-component synthesis of (10E)-N-benzylidene-2-phenylH-imidazo[1,2-a]pyridin-3-amine derivatives from 2-aminopyridin, malononitrile and arylaldehydes in the presence of NaOH under solvent-free and conventional heating condition in good to excellent yields. A wide range of aromatic aldehydes would easily undergo condensations with 2-aminopyridin and mal...
Fully substituted olefin generation via metathesis is presented. Catalyst development, optimization of reaction conditions and substrate screening are included. In addition, asymmetric alkene metathesis, the cross metathesis reaction for this transformation and its application in natural products will be discussed.
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