The phrase "an efficient and direct" is correct and usable in written English.
It can be used to describe a method, approach, or process that is both effective and straightforward.
Example: "We need to find an efficient and direct way to communicate our ideas to the team."
Alternatives: "a streamlined and straightforward" or "a quick and clear".
Thus, self-reports are an efficient and direct way of obtaining reliable information.
We have designed an efficient and direct sonochemical method for the facile synthesis of Cd(OH 2, CdO, and Cd(OH 2/Ag core/satellite nanorods.
We here report a new method of an efficient and direct bacterial expression system for the phagemid-coded Fab proteins without use of the helper phage.
We intended to provide users with an efficient and direct way to access MorusDB data.
However, considering the complex algorithms used in PopPK model fitting and the nonlinearity carried by the model, visualization of resampling statistics can be an efficient and direct way to gain a deeper understanding of the relationship between the model and the data.
The present work outlines an efficient and directed differentiation method to generate hematopoietic progenitors from human pluripotent cells using a 2D, feeder-free, serum-free, completely defined system.
Here we present a novel, efficient and direct method of measuring unbiased diffusional decoherence, clearly distinguished from all other decoherence sources.
It couches this approach as "a more efficient and direct opportunity to access user attention without the inherent liabilities and risks involved with large scale user data collection".
It has also begun catalog sales, using a more efficient and direct distribution system as its main weapon against such entrenched Japanese rivals as Askul.
In conclusion, we have developed a highly efficient and direct strategy for the construction of 3,3′-pyrrolidonyl spirooxindoles and spiroindolin-2-one δ-lactones under mild conditions.
A highly efficient and direct approach was developed to construct the structurally diverse spirooxindole skeleton, which is an important basic motif in natural products.
