The phrase "and efficiency of various" is correct and usable in written English.
It can be used when discussing the effectiveness or productivity of different items, methods, or systems in a comparative context.
Example: "The study focused on the cost and efficiency of various renewable energy sources."
Alternatives: "and effectiveness of different" or "and productivity of several".
This study proposes and evaluates the performance and efficiency of various optimization algorithms for validation of digitally signed BGP updates.
Bacterial fouling causes not only the transmission of infection and disease from one surface to another and humans, but also the reduction in the operational function, sustainability, and efficiency of various types of surfaces and devices.
The workers had been hired by Taisei Corporation, one of three large construction firms that won contracts from the Japan Atomic Energy Agency (JAEA) to test the effectiveness and efficiency of various decontamination technologies at 19 model sites throughout Fukushima prefecture.
Through seminars and symposia, working papers, and new media, RPP explores themes that cut across regulation in its various domains: market failures and the public policy case for government regulation; the efficacy and efficiency of various regulatory instruments; and the most effective ways to foster transparent and participatory regulatory processes.
To test the suitability and efficiency of various vibration-based damage identification methods to assess the integrity of the shear connectors, a 1 3 scaled bridge model was constructed in the laboratory.
Besides the material properties and design calculations, the thermodynamic properties of working gases play a vital role in the design and efficiency of various machinery such as compressors, turbines, etc. Equation of state (EOS) which accounts the real gas effects is used in computational analysis to estimates the thermodynamic properties of the working fluid.
Whereas extensive research on the partial hydrolysis of xylans in cellulosic pulps has been carried out, only a few reports are available on the mechanisms and efficiencies of various xylanases on complex lignocellulosic substrates.
The accuracy and efficiency of the various formulations of the algorithm are considered and a novel automatic time-step control mechanism is integrated into the scheme.
Some data on the outputs, cost and efficiency of the various interventions to control HIV in India have become available recently [ 6- 12].
However, there are few data assessing the outputs, cost and efficiency of the various strategies to control HIV in India [ 7, 8].
As the entire operation sequence and transfer from one phase to another was correctly chosen, the probability of experiment success on the whole and efficiency of application of various systems vary.
