Mature Placenta with True Knot of the Umbilical Cord

Abstract This module contains a video presentation of the gross pathology of a true knot in the umbilical cord of a mature placenta.The surgical pathology grossing laboratory is a rich resource for teaching medical student about the gross appearance of many pathologic processes.Dissection of freshly removed surgical specimens can reveal gross patho

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Research on the Combustion, Energy and Emission Parameters of Various Concentration Blends of Hydrotreated Vegetable Oil Biofuel and Diesel Fuel in a Compression-Ignition Engine

This article presents our research results on the physical-chemical and direct injection diesel engine performance parameters when fueled by pure diesel fuel and retail hydrotreated vegetable oil (HVO).This fuel is called NexBTL by NESTE, and this renewable fuel blends with a diesel fuel known as Pro Diesel.A wide range of pure diesel fuel and NexB

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Injection Of air control of propeller performance

With the rise of bubble lubrication technology in transport ships, the interaction between propellers and bubble flow has become increasingly important.On the basis of solving the Reynolds averaged equation and the volume fraction equation, a numerical model of the propeller in a water air mixed fluid was established using the sliding mesh techniqu

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