The phrase "economical efficiency" is correct and usable in written English.
You can use this phrase to describe when something provides an economic benefit while using minimal resources. For example, "The new technology provides economical efficiency by cutting costs while maintaining high efficiency."
Through the comparison, the economical efficiency and reliability of the SSRC with different capacity control mechanism were obtained.
The latter two design processes are preferable to the present steel tubes because safety and economical efficiency are both attainable.
A linkage control system for water supply pump with high reliability and economical efficiency has been designed.
Natural manganese ores were selected as raw materials for the desulfurization sorbent because of economical efficiency and high reactivity on hydrogen sulfide.
This technique has increased its popularity because it combines environmental and economical efficiency to the production of bituminous layers of adequate strength.
Performance and economical efficiency of the combined cooling, heating and power (CCHP) system mainly depend on the system structure, operation strategy and choice of facility capacity.
In the present work, the energetic and economical efficiencies of two biorefinery processes were studied using the simulation software Aspen Plus.
In the present work, the energetic and economical efficiencies of two biorefinery processes, soda and organosolv-ethanol systems, were analyzed using the simulation software Aspen Plus®.
It is thus expected that the results in this study can contribute to a meaningful improvement in the economical efficiencies of both a microalgae based biodiesel-production process and a fucose-production process.
The core is designed so that yield more economical efficiencies (high breeding ratio and high burnup), safety aspects (high Doppler reactivity coefficient, low void reactivity coefficient and reactor dynamic characteristics) in comparison with mixed oxide or metal fuel on a suitable condition.
The multifunctional use of this land, which is currently sought, reinforces the need for animal scientists to consider the use and management of grazing lands in reference not only to the techno-economical efficiency of animal feeding systems but also in reference to the long-term (e.g. biodiversity change) and at larger spatial scales (for example the landscape and watershed).
