Background: Lignocellulosic biomass has many functionalities that hold huge potential for material, energy or chemistry applications. To support advanced applications, the must be milled into ultrafine powder to increase reactivity. This milling unit operation needs fully mastered deliver high-quality standard end-products. Here we studied relationship between charac...

To investigate the effect of crack angle on fracture performance brittle materials under tensile load, a molecular dynamics simulation method based ReaxFF is used to establish an amorphous silica model through high-temperature melting and annealing process. Under environment 300 K, 1.013 × 105 Pa 5 109 s−1, impact from three perspectives analyzed: material mechanical properties, micro process, ...

2 Research method Different methods of coal processing into fuel [1, 6, 12] usually require its intensive comminution. Such situation needs the creation of new technologies for coal micronization [4, 11, 17] that enlarge specific surface of coal micro particles what finally intensifies burning process of such coal dust. Some interesting effects of water-coal mixture ensure waterjetting technolo...

BACKGROUND AND PURPOSE Histotripsy is a pulsed focused ultrasound technology in which initiation and control of acoustic cavitation allow for precise mechanical fractionation of tissues. The present study examines the feasibility of using histotripsy for erosion of urinary calculi. MATERIALS AND METHODS Histotripsy treatment was delivered from a 750-kHz transducer in the form of 5-cycle acous...

PURPOSE To describe a variant of intertrochanteric fracture not well-characterised in the existing classification systems. METHODS 10 women and 2 men aged 59 to 98 (median, 80) years with intertrochanteric fractures characterised by a low intertrochanteric fracture, a basicervical fracture fragment, and a thin or fractured lateral wall with greater trochanteric comminution were reviewed. RE...