"improved technique" is correct and usable in written English.
You can use it when referring to a method or approach that has been refined or made more effective. For example, "The surgeon employed an improved technique for the procedure, resulting in a successful outcome."
Kauffman, H. E. R., Reddy, A. P. K. Hsieh, S. P. Y. & Merca, S. D. An improved technique for evaluating resistance of rice varieties to Xanthomonas oryzae.
Improved technique makes it easier to add or delete genes in living cells, with less risk of off-target DNA damage.
Providing a comprehensive introduction to every aspect of percussion education, technique and performance, this text and its accompanying videos guide you toward a greater musical awareness and improved technique.
Neither is a star; Browner is fairly stiff in his change-of-direction (though improved technique has assuaged this a bit) and Sherman sometimes pays for his super aggressive, super brash style.
And, with more acceptance, comes improved technique, efficiency, and more deliciousness.
It is a simpler, less laborious and time-saving method compared to standard protocols, and represents a significantly improved technique and a step forward in the analysis of DNA replication timing.
Simulations, however, have shown some evidence of improved technique.
These conclusions are challenged by the application of an improved technique.
Improved technique would likely also result in increased product contact time.
We developed an improved technique to remedy the shortcomings of the modified K-wire tension band in treating patellar fractures.
Improved technique thus prevents the emission of 90 kg of carbon per tonne of carbonized wood, equivalent to 300 kg of carbon or 1.1 tonnes of CO2 per tonne of charcoal consumed.
