The phrase "an essential technique for" is correct and usable in written English.
It can be used when discussing a method or approach that is crucial for achieving a particular goal or outcome.
Example: "Mastering time management is an essential technique for improving productivity in the workplace."
Alternatives: "a vital method for" or "a key strategy for".
Hyperspectral imagery is an essential technique for remote sensing of surfaces and atmospheres of planetary objects.
The 3D compact model of a thermoelectric cooler in the CFD approach is an essential technique for computationally realistic design of many industrial thermal management applications.
Fluorescence imaging of calcium ions (Ca2+) has become an essential technique for investigation of signaling pathways involving Ca2+ as a second messenger.
Genotype-imputation methods provide an essential technique for high-resolution genome-wide association (GWA) studies with millions of single-nucleotide polymorphisms.
Motivated by the ever increasing growth in multimedia applications and the number of users, millimeter wave (mmWave) has been regarded as an essential technique for the next generation wireless communication network [1].
Read this about the concept of 2-zone cooking on a grill, it is an essential technique for barbecue lovers.
Arthrography has been an essential technique in musculoskeletal radiology for more than 100 years now and remains useful in combination with computer tomography and magnetic resonance imaging for a detailed assessment of articular structures, or by itself as a way to confirm the adequate distribution of therapeutic injections [1, 2].
As a summary, micro-nanorobotic manipulation is the essential technique for accuracy positioning and manipulation.
Among the techniques employed, transmission electron microscope (TEM) is essential technique for the morphology characterization of metal nanoparticles.
Here photosynthesis monitoring is essential technique for cultivation control and evaluation of Se tolerance/toxicity in microalgae cultures.
These recipes offer a simple frying primer, with the essential techniques for coating (or, in the case of the fritters, creating) food before crisping it in a couple of inches of oil.
