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Background: To provide the anatomic basis for the clinical application of the transpedicular screw fixation. Materials and methods: Thirty spine (C₂ –L₅) specimens were used. The width of the pedicle cortex and width of the pedicle medullary cavity (WPC and WPMC), and the height of the pedicle cortex and height of the pedicle medullary cavity (HPC and HPMC) were measured at the isthmus of the pedicle...
The fruits of Siraitia grosvenorii have been used as a natural sweetening agent for centuries and have also been reported to aid diabetic patients. Mogroside V is the primary sweet compound in S. grosvenorii fruit. In this study, we show that different pollen sources had a direct influence on the mogroside V content in S. grosvenorii fruit. The changes in the activities of carbohydrate metabolism-related...
In the present work we investigated the applications of chitosan as a bubble surface modifier in the coagulation dissolved air flotation (DAF) process for river water treatment. Zeta potentials of the residual colloidal particles in floated water and other typical water quality indexes measurements reinforced the fact that micro-bubble surface was successfully modified by dosing chitosan in a saturation...
This study evaluated the removal characteristics of tanic acid (TA) adsorbed on MIEX resin by batch experiments. MIEX resin can effectively remove TA from raw water at pH 6-9. Chloride and sulfate have adverse effect on the removal of TA. Conversely, bicarbonate can further the removal of TA. The Elovich model is the most suitable for depicting the kinetic process, and liquid film diffusion dominates...
The two major techniques of conservation agriculture – no-till and straw mulch – are widely used in agricultural activities. Many studies have investigated the response of soil respiration to conservation agriculture. However, there are few studies estimating soil CO2 emissions in sloping cropland. For this research we selected typical sloping cropland in China’s semiarid Loess Plateau region. The...
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