The conversion of CO2 into fuels and valuable chemicals is one the central topics to combat climate change meet growing demand for renewable energy. Herein, we show that formate dehydrogenase from Clostridium ljungdahlii (ClFDH) adsorbed on electrodes displays clear characteristic voltammetric signals can be assigned reduction oxidation potential [4Fe-4S]2+/+ cluster under nonturnover condition...

this paper surveys parallel scheduling problems and metrics correlated to and then applys metrics to make decision in comparison to other policy schedulers. parallel processing is new trend in computer science especially in embedded and multicore systems whereas needs more power consumption to reach speed up. the qos requirement for users is to have good responsiveness and for service providers...

To help improve customer satisfaction management (CRM), greater emphasis is given to the aspect of quality in the supply chain. And improve supply chain performance through integrated business management and strategic partnerships. On the other hand, strategic supply chain management decisions are made at a company level that determine benefits and efficiencies of the supply chain and effective...

Economic efficiency—understood in terms of jurisdictions providing a maximum amount of output for a given level of inputs—is one potential means to evaluate public policies. Various approaches, however, co-exist to measure the (technical) efficiency of organizations. Given that these rely on different underlying assumptions, it is important to assess whether, and to what extent, the approach ta...

This paper focuses on nonparametric efficiency analysis based on robust estimation of partial frontiers in a complete multivariate setup (multiple inputs and multiple outputs). It introduces a-quantile efficiency scores. A nonparametric estimator is proposed achieving strong consistency and asymptotic normality. Then if a increases to one as a function of the sample size we recover the properti...

The essential methanogen enzyme Sep-tRNA:Cys-tRNA synthase (SepCysS) converts O-phosphoseryl-tRNA(Cys) (Sep-tRNA(Cys)) into Cys-tRNA(Cys) in the presence of a sulfur donor. Likewise, Sep-tRNA:Sec-tRNA synthase converts O-phosphoseryl-tRNA(Sec) (Sep-tRNA(Sec)) to selenocysteinyl-tRNA(Sec) (Sec-tRNA(Sec)) using a selenium donor. While the Sep moiety of the aminoacyl-tRNA substrates is the same in...

The objective of this work is to estimate the production frontier and technical efficiency levels of Côte d’Ivoire firms. The methodology used is closely linked to the recent nonparametric frontier models, as for example Cazals, Florens and Simar (2002), Aragon, Daouia and Thomas-Agnan (2003) or Florens and Simar (2001). The main advantage compared to the classical nonparametric methods (DEA, F...