The phrase "by direct comparison of" is correct and usable in written English.
You can use it to compare two or more things by examining them side by side. For example, "By direct comparison of the two products, it was clear that the quality of the premium product was much higher."
By direct comparison of two CK2-directed cargos, our data provide proof that the TBG encapsulation design for delivery of drugs specifically to cancer cells has strong potential for small molecule- and nucleic acid based cancer therapy.
By direct comparison of the experimental and calculated structure factor coefficients, the ODF for the structural ensemble was deduced.
The Python script further performs evaluation of the current path exploration performance by direct comparison of executed basic block addresses received from dynamic instrumentation.
It does not significantly change the size after covering with AlGaAs as seen by direct comparison of the two-scale top view illustrations in Fig. 3a.
In this study, they are assessed by direct comparison of the clear-sky observations over the ocean with the model calculations.
A loosely related result is given in [9] by direct comparison of the Fourier transforms of and where is a stationary sinusoid, with, and, and is centred at.
Furthermore, chamber data give strong evidence for the increased volatilization of VOCs through vegetation by direct comparison of planted and unplanted wetlands.
Advances in the understanding of the mechanisms of fracture processes are made by direct comparison of microscopic modelling and carefully designed experiments.
The gas-turbine model is validated by direct comparison of the model predictions with the output parameters of a commercial turbine.
The structures of new compounds were established by detailed spectroscopic studies, while known compounds were characterized by direct comparison of their reported NMR data.
A subset of 298 randomly chosen molecules were manually assigned in order to perform the evaluation by direct comparison of predicted and observed chemical shifts and compare the results obtained with those produced by our method.
