The phrase "a two step transformation" is correct and usable in written English.
It can be used when describing a process or method that involves two distinct stages or phases of change or conversion.
Example: "The project requires a two step transformation to ensure that the data is accurately processed and analyzed."
Alternatives: "a dual phase transformation" or "a two-stage conversion".
Under tensile loading, small cross-sectional nanowire shows a single step phase transformation, i.e. B2 → BCT via twinning along {100} plane, whereas nanowires with larger cross-sectional area show a two step phase transformation, i.e. B2 → R phase → BCT along with intermediate hardening.
The alumina extracting process involves two steps: transformation from mullite and corundum to an intermediate product aluminasilicate, Na8Al6Si6O24(OH)2(H2O)2, and then from the aluminasilicate to calcium sodium hydrate silicate (NaCaHSiO4).
The H-F transform is a two step process, beginning with a data transformation that noise-normalizes the counts.
Sugimoto et al. suggested that EBV mediated transformation is a two step process where, after prolonged passage, the cells may become aneuploid, accumulate p53 mutations, down regulate the p16/retinoblastoma protein pathway and become tumorigenic upon subcutaneous inoculation into nude mice [ 7].
In this study we chose to perform a two step antibiotic selection in order to take full advantage of all the clones generated in each transformation.
Raw microarray signal data were normalized in R (www.r-project.org), using a four step approach [28]: (1) natural log-transformation, (2) quantile normalization of all scans, (3) correcting the sample spot signal for the corresponding reference spot signal and (4) averaging data from replicate probe spots.
A volume of 100 μl from transformation reactions was taken and a four step 10-fold serial dilution was made.
The compression process is divided into two steps: the transformation of router denotations and the connection of channels.
A typical image compression scheme incorporates three fundamentals steps: transformation, quantization, and entropy coding.
To circumvent the above outlined limitations, we have developed a simple two steps protocol, relying on palladium catalyzed transformations.
