The phrase "are simultaneously required" is correct and usable in written English.
It can be used when indicating that multiple things need to happen at the same time or that several requirements must be met concurrently.
Example: "In order to complete the project successfully, both creativity and technical skills are simultaneously required."
Alternatives: "are needed at the same time" or "must be fulfilled concurrently."
In the pseudo analytical method, two levels of iteration are simultaneously required to get the value of effluent substrate concentration.
In particular, the development of ceramic matrix nanocarbon composites arises as a solution for applications in which materials with an electrical conductivity similar to those of metals and mechanical properties, particularly hardness, are simultaneously required [5].
This system was supposed to be effectively applied into a supermarket energy control system where cooling, heating and electricity power are simultaneously required and subsequently, valuable test results have been produced.
We should also point out that [12], Theorem 7.23 discussed pth moment exponential stability for a general nonlinear stochastic differential equation with Markovian switching and time-varying delay under the following assumptions: the delay functions are differentiable and the corresponding derivatives are simultaneously required to be not greater than 1.
The planar bilayer experiments support a simple conclusion: Gβγ and PIP2 are simultaneously required to activate GIRK2.
In this manuscript we demonstrate that in planta both Serine 59 and Serine 120 of SLAC1 are simultaneously required for intact ABA-dependent stomatal responses.
Told to get the highest price possible, it was simultaneously required under Indonesia's deal with the I.M.F. to contribute a certain amount each year to filling the government's budget deficit.
Both increased weight reduction and improved passive safety have been simultaneously required for components of new vehicle generation.
Rbf1 activity is also regulated during development by proteosome-dependent degradation, which is dependent on a C-terminal instability element that is simultaneously required for corepressor activity (Acharya et al. 2010).
However, still all ACK signals are simultaneously transmitted, requiring multiuser capabilities for their successful reception.
Fig. 1 Pick and place motion [3]. Figure 1 shows that fast motion and high precision motion are not simultaneously required.
