The phrase "by first using" is correct and usable in written English.
You can use this phrase when you are discussing the steps of a process or the order in which something should be done. For example, "You can start to build your bridge by first using a long, sturdy piece of wood as the foundation."
To facilitate comparisons all cost estimates were converted to US dollars in price year 2007 by first using GDP deflators and then Purchasing Power Parities (PPPs) as suggested by the Campbell & Cochrane Economics Methods Group [ 9].
It also sought to minimise the number of casualties on the Turkish boat by first using paintball guns.
"Disney in particular had never done a show like this before," he added, referring to the intention to create episodes by first using drawings, or storyboards, rather than a script.
By first using a voltage ramp, the potential difference at the junction is increased until the dielectric barriers are breached, leading to an expected sharp increase in current.
By first using the successor function method and differential equation geometry theory, the existence, uniqueness and asymptotic stability of the order-1 periodic solution are discussed.
The approach was validated by first using an equal proportion of training and test instances (1 1) and second using a much smaller training set (1 9).
Basically the IPD process creates a surface-engineered nanostructure (with features usually below 100 nm) by first using a vacuum to remove all contaminants.
Our analysis combines these two approaches by first using the Ward clustering algorithm [32] to explore a wide range of solutions with different numbers of clusters.
The feedback control law is designed by first using a Volterra transformation of the second kind and then using an invertible Fredholm transformation.
This was accomplished by first using a database of fully relaxed DFT calculations to build a cluster-expansion description of the potential function.
This paper shows how this batch operation can be conveniently simulated by first using the steady-state simulator Aspen Plus to correctly size the equipment.
