نتایج جستجو برای: economical conditions
تعداد نتایج: 864346 فیلتر نتایج به سال:
Fast and economical means of assaying SNP's are important in diagnostic assays, especially when a large number of animals have to be screened for a genetic disease. This study was aimed at the development of a fast and economical screening assay for bovine leukocyte adhesion deficiency (BLAD) which is an important genetic disease of cattle industry. Four primers were designed where the outer pr...
Thirty five different 4-aryl-1-substituted 2,6-dimethyl-3, 5-bis-N-[(substituted) carbamoyl] 1,4-dihydropyridines have been prepared from a three component condensation reaction of N-(2-chlorophenyl)-acetoacetamide; an aromatic aldehyde and a primary amine under four different experimental conditions. Except for conventional, all the experimental conditions are simple, eco-friendly, economical,...
In recent years, regression testing has been receiving increasing attention. Several selective regression testing strategies have been introduced. One question that demands an answer is the cost benefits of the selective regression testing strategies compared to the traditional retest-all strategy. This paper first presents a test cost model and then identifies the conditions under which the se...
Invariant-based concurrent test schemes can provide economical solutions to the problem of concurrent error detection. An invariant-based concurrent error-detection scheme for linear digital systems is proposed. The cost of concurrent error-detection hardware is appreciably reduced due to utilization of a time-extended invariant, which extends the error-checking computation over time and, thus,...
Industry recognizes wireless sensor networks as one of the next major technical and economical shifts in automation and control systems. Industrial applications need performance assurances of wireless communication, which is hard to attain given the variability of the environment where such applications are deployed. In this paper, we quantify the impact of environmental conditions, namely temp...
Aerobic oxidative CH functionalization of primary aliphatic amines has been accomplished with a biomimetic cooperative catalytic system to furnish 1,2-disubstituted benzimidazoles that play an important role as drug discovery targets. This one-pot atom-economical multistep process, which proceeds under mild conditions, with ambient air and equimolar amounts of each coupling partner, constitute...
This work reports the synthesis of quinazolines from 2-aminobenzylamines with N-substituted benzylamines in the presence of molecular iodine. The developed methodology works smoothly under transition-metal free, additive free and solvent free conditions. The use of O2 as a green oxidant makes it a greatly economical, green and sustainable protocol. Moreover, no aqueous work up is required there...
The complex [RuCp*(C-NH(2))(py)]PF(6) bearing a chelating N-heterocyclic carbene with an NH(2) group (C-NH(2)) is an active catalyst for the H(2)-hydrogenation of ketones, an epoxide, ester and ketimine in basic solution. A maximum turnover frequency of 17,600 h(-1) is achieved under mild reaction conditions (25 °C) and economical use of hydrogen (8 bar) while the TOF of a related complex with ...
tennessee williams (1911-1983), the modern american dramatist, had his own unique school of dramaturgy. the dramas which he depicted are populated by characters who are lonely, desperate, in anxiety, alienated and in one word lost. they face challenges which they may overcome or not, through the choices they make. all these moods and conditions are clearly seen and explained in the theory of ex...
Heat pumps offer economical alternatives of recovering heat from different sources for use in various industrial, commercial and residential applications. In this study, singlestage air-source vapor compression heat pump system has been optimized using a genetic algorithm (GA) and fuzzy logic (FL). The necessary thermodynamic properties for optimization were calculated by FL. Thermodynamic prop...
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