This is a test on Authorea website that claiming their way of writing research paper would help researchers collaborating. 

\(f\left(x\right)=\sqrt{\frac{a^n}{x}}\)

the above is an equation detailing the relationship between three parameters, two of which is a constant, a & n, while x is the variable.
Table 1: The result of varying pump blade height with tip gap of impeller with volute body
Pressure output 10 mm  20 mm
300 micrometer 93 94.5
600 micrometer 91 93.5