The phrase "proper concentration" is grammatically correct and commonly used in written English.
You can use it when describing someone's level of focus or attention, particularly in a specific activity or task. It can also refer to the act of focusing or giving full attention to something. Example: "In order to complete this project successfully, you must have proper concentration and dedication."
For most of it her ear remains pretty reliable, and the metre keeps the story rolling along; when problems occur, they are generally to do with the difficulties of reconciling the proper concentration of poetry with a narrative demand for information, which produces a dispiriting effect of prose: "His conscience seemed troubled all the same.
A plant built under a traditional contract at the Savannah River nuclear reservation, near Aiken, S.C., opened late, and engineers still have not determined how to stop the wastes from producing benzene, a gas that can burn or explode at the proper concentration.
But Dr. Mannan suggested one way an anhydrous ammonia explosion might occur: If during a fire an ammonia tank were to be breached, the gas would mix with the air until it reached the proper concentration, at which point it would be ignited by the fire.
Proper concentration of Zn in soil helps plant avoiding ROS damage under abiotic stresses (Cakmak 2000).
Once beyond the proper concentration range, the promoting effect of osteogenesis was reduced.
Only the suitable polysaccharide at a proper concentration would endow the gel with the excellent quality.
This essentially reduces the complication of these equations from [10], making a proper concentration on numerical methods.
The sensitivity of an instrument is usually measured, as already described above, using calibrated standards at the proper concentration.
Also, CTA+ as the capping agent is necessary in the synthesis, in which a proper concentration of 20 mM was used.
The suspension contained 5 mg of catalyst in 1 mL of 25 mM buffer solution containing 8.8 mM hydrogen peroxide and a proper concentration of the selected dye.
To determine the proper concentration, different concentrations (10 nM, 100 nM, 1 μM) of 6FAM/Cy5-17DS 6FAM/Cy5-17DSed were thybridizedPs.
