The phrase "a technique which has" is correct and usable in written English.
It can be used when describing a specific method or approach that possesses certain characteristics or has been developed for a particular purpose.
Example: "The study focuses on a technique which has proven effective in reducing stress levels among participants."
Alternatives: "a method that has" or "an approach which has".
Laser absorption spectroscopy is a technique which has demonstrated the high sensitivity needed for isotopic measurement.
In vitro endothelialisation is a technique, which has been shown to enhance the patency rates of below knee vascular grafts.
Environmental Scanning Electron Microscopy (ESEM), or its more general variant of Low Vacuum Scanning Electron Microscopy (LVSEM), is a technique, which has been around for more than 15 years.
Significant progress has been made over the last three decades in the field of NMR, a technique which has proven to have a variety of applications in many scientific disciplines, including nanotechnology.
It stands for Positive Ion Mass Spectrometry, a technique which has taken fourteen years to develop.
A well-known example of such a technique, which has become widely applied within criminology, is called agent-based modelling.
Mutation is a technique, which have been used in genetic algorithms for introducing diversity.
Prior to Josquin's mature period, the most common technique for writing masses was the cantus firmus, a technique which had been in use already for most of the 15th century.
The design problem of the damping controller is converted to an optimization problem with the time-domain-based objective function which is solved by a PSO technique which has a strong ability to find the most optimistic results.
First, this means that the solution to the partial differential equation (PDE) is searched using a multigrid technique which has a positive effect on the convergence rate [12, 21].
Avoiding emotions was a survival technique, which has now become a cultural habit for African-Americans and a significant barrier to treatment for depression.
