GRA

abbr.

geared rotary actuator 齿轮式转阀促动器；

权威例句

Evaluating restoration methods across a range of plant communities dominated by invasive annual grasses to native perennial grasses.
Pore types in the Barnett and Woodford gas shales: Contribution to understanding gas storage and migration pathways in fine-grained ...
Acid phosphatase typing for breeding nematode-resistant tomatoes by isoelectric focusing with an ultranarrow immobilized pH gradient
Radiation activates HIF-1 to regulate vascular radiosensitivity in tumors: role of reoxygenation, free radicals, and stress granules.
Isolation of proliferating chondrocytes from bovine growth-plate cartilage by rate-zonal centrifugation in a Ficoll density gradient.
First-principles responses of solids to atomic displacements and homogeneous electric fields: Implementation of a conjugate-gradient...
Zhang, Y. B., Tan, Y. W., Stormer, H. L. & Kim, P. Experimental observation of the quantum Hall effect and Berry's phase in graphene...
Determination of molecular weights and frictional ratios of proteins in impure systems by use of gel filtration and density gradient...
Operational practices of oxygen-enriched top-blown smelting and side-blown reduction smelting lead process for treating low-grade Pb...
Frazier K, Williams S, Kothapalli D, Klapper H, Grotendorst GRStimulation of fibroblast cell growth, matrix production, and granulat...