The phrase "amount are necessary" is not correct in written English.
It should be "amounts are necessary" or "amount is necessary" depending on the context.
Example: "In order to complete the project, the correct amounts are necessary for each ingredient."
Alternatives: "quantities are required" or "levels are essential."
That amount was necessary "to build confidence," he said.
Darbyshire asked whether Byford felt insulted that Thompson had argued during internal discussions about his payoff that the amount was necessary to keep him "focused" on his job until he left.
But Democrats, led by Senator Tom Harkin of Iowa, argued that the larger amount was necessary to finance programs for smaller farmers who are ineligible for the special subsidies for row crops -- corn, wheat, soybeans, rice and cotton -- that make up most of the bill.
Estimation of lost circulation amount is necessary to find a solution.
Hence, finding out its amount is necessary to adjust the sufficiency of air supplied in the zone where volatile is released to improve combustion efficiency.
For example, coating with 8 g CNF/m2 increased the tensile index from 35 to 40 Nm/g", which showed that a high amount is necessary [21].
Due to the horizontal and vertical ease, a specific shifting amount was necessary to increase the size of the lining pattern.
The doping is beneficial to refine the particle size and narrow down the size distribution, however optimizing the doping amount is necessary.
Exciting the plasma by DC, an increasing oxygen amount is necessary in order to prepare low resistant ITO films when increasing the working pressures.
On the whole, the data presented in this work unveil a dual role of Stat3 in in vitro transformation triggered by TRK oncogenes: 1) reduced Stat3 levels are linked to morphological transformation typical of NIH3T3 foci; 2) the transcriptional activity of the residual Stat3 amount is necessary for cell growth.
