نتایج جستجو برای: honing

تعداد نتایج: 442  

Journal: :Science 2009
Gen Suwa Reiko T Kono Scott W Simpson Berhane Asfaw C Owen Lovejoy Tim D White

The Middle Awash Ardipithecus ramidus sample comprises over 145 teeth, including associated maxillary and mandibular sets. These help reveal the earliest stages of human evolution. Ar. ramidus lacks the postcanine megadontia of Australopithecus. Its molars have thinner enamel and are functionally less durable than those of Australopithecus but lack the derived Pan pattern of thin occlusal ename...

Journal: :Chinese Journal of Aeronautics 2021

Single-pass honing is an important machining method for finish of holes, which can meet the requirement high efficiency and consistency holes. Characterization life prediction single-pass tool are necessary to improve accuracy holes honed, especially dimension accuracy. a single layer abrasive with fixed dimension, still remains problematic characterization prediction. For fuel injection nozzle...

Journal: :Journal of the Society of Materials Science, Japan 1974

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