The part of the sentence "necessary for obtaining" is correct and usable in written English.
You can use it to express that something is required in order to get something else. Example: "A valid driver's license is necessary for obtaining a rental car."
He defended the population-based approach as necessary for obtaining a broad picture and replicable results.
Some neurons are presumably always going to be necessary for obtaining food, avoiding predators, checking iPhones, etc. (What plants think is still a mystery of course – I guess nobody's yet asked a cabbage about sex).
The specific clause of the Patriot act used to acquire the subpoena is one that the FBI has described as necessary for "obtaining such records [that] will make the process of identifying computer criminals and tracing their internet communications faster and easier".
Complicated AR parameter estimation method involving matrix inversion is not necessary for obtaining reflection coefficients.
Moderate rheological parameters are necessary for obtaining an uniform distribution of steel fibers in UHPC.
A hydrocracking step is necessary for obtaining high quality fuels from FT wax.
PredictionSolutionito the present hybrid comassing system (neural network in combalancen with psequationgeneous mats balanceachuccessfully agreed with data.
Only the experimental stall angle and the relative lift coefficient were, therefore, necessary for obtaining a good calibration.
Therefore, pretreatments of this dataset was necessary for obtaining the climate data that contained annual temperature information in one file.
Another benefit of accurately aligned mask is that it reduces the etching time necessary for obtaining smooth sidewalls.
In this section, we introduce notations and some results which are necessary for obtaining the main results in the paper.
