From the viewpoints of industrialization and technology development, the paper summarized
the revolutionary history of machine tools and the development processes of NCMT, with …

… With the planting of plantation for wind protection and sand fixation,the trend of soil water
decreasing became the limiting factors for vegetation renewal and rebuilding and the stability …

… This article excavates the deep historical logic of security as a … Decades of history going
back to the start of the Cold War … national security and social stability are the prerequisites for …

In this paper, we present an on-orbit geometric calibration method for a ZY-1 02C panchromatic
camera in order to i mprove the geometric precision of its images. First, starting from a …

… Chapter IV focuses on the implications of EDTs in the nuclear realm and for strategic stability
before ending the paper with a brief summary of the debates in China on how to mitigate …

… to reconstruct the phylogenetic relationships, biogeographic history, and species diversity of
… have likely played significant roles in shaping the evolutionary history of the genus Silurus. …

… Abstract BACKGROUND: Lumbar posterior dynamic stabilization system is a new nonfusion
… , mainly including interspinous dynamic fixation system and the posterior pedicle fixation …

… BACKGROUND: Posterior lumbar interbody fusion is a … dynamic stabilization system group
was better than posterior … Dynesys dynamic stabilization system group than in the posterior …

… According to different fixation systems, they were assigned to three groups: general dynamic
lumbar fixation system in 17 cases, K-Rod posterior dynamic stabilization system in 28 …

… use of dynamic stabilization system fixed lesions again lumbar effectiveness and practicality.
… investigation of posterior dynamic instrumentation: combination of dynamic rod and hinged (…