This paper introduces the construction composition and COCOA BUTTER transmission principle of the screw pair steel ball planetary transmission mechanism with a coaxal input and output axes,calculates their transmission ratio function,gives the geometrical conditions of loading steel balls even distributed in space,presents the Iron construction par
In China, a 9-year-old boy was transferred to the hospital with fever, vomiting, and headache.The disease rapidly deteriorated into vague consciousness.Applying conventional clinical examinations such as blood and cerebrospinal fluid (CSF) tests, the diagnosis of bacterial meningoencephalitis was first drawn, and expectant treatments were adopted i
Alkaline protease, pepsin and trypsin were used to hydrolyze the bones and meat, shell and Tocotrienol skirt of Chinese soft-shelled turtle to prepare functional peptides, and their physical and chemical properties such as main conformational changes and particle size were analyzed.The potential bone mineral density-regulating activity of each enzy