The phrase "obviating the necessity" is correct and can be used in written English.
It means to avoid or eliminate the need for something. Example: "The new technology has greatly improved efficiency, obviating the necessity for manual labor."
They have more limited applications in the making of photoengraved letterpress plates, where they are used especially on zinc and magnesium and where their excellent storage properties permit their application in the metal-finishing plant, obviating the necessity for coating of the resist onto the metal in the photoengraving shop.
This solution allows us to seek a representation for the relaxation process in a space of decay rates, thus obviating the necessity of forcing a particular functional form to fit the data.
Some of the constraint-selected families have been demonstrated to be equivalent to some of the search-optimized families, thereby obviating the necessity for any search in their computation.
When it wasn't the best answer, another student corrected the first, obviating the necessity for the professor to intervene.
The 603rd Air Engineering Squadron was unique in that it provided depot-level B-29 maintenance in the field, obviating the necessity of sending aircraft back to the United States for major repairs.
Alternatively, they may be due to the fact that the DSBs occur very close to the translocation substrates, obviating the necessity to create extensive lengths of single-stranded DNA before complementary sequences are revealed.
Crack Dreams obviates the necessity for the titular narcotic with its tranquilising bleepscape.
As the journal said, the garbage closet "obviates the necessity of setting the garbage pail on the fire escape".
"Initially, the markets were a little nervous that his seeming support of tax cuts would obviate the necessity for rate reductions," said Jonathan Glaser, a hedge fund manager at JMG Capital Partners, a money management firm.
However, there is nothing in Harriot's writings or those of his friends to substantiate any non-Christian beliefs; the accusations may merely reflect his likely belief in atomism, which at the time was considered by some to obviate the necessity for the existence of God.
The design of the system obviated the necessity to separate suspended catalyst from treated water as required in slurry reactors.
