在多媒体技术进入教学领域后,语文课程中的散文教学也有了新的突破.朱自清的《背影》堪称散文经典,虽然运用多媒体技术能使教学图文并茂,声色俱全,但也要合理的运用,体现出多媒体技术在散文教学中的运用智慧.在《背影》教学中,利用多媒体创设情境,唤起对父爱的联想;利用多媒体提供背景,再现父亲形象;利用多媒体激发想象,...
05/02717 Radiation heat transfer in circulating fluidized bed combustors - 《Fuel & Energy Abstracts》 被引量: 29发表: 2005年 TED-AJ03-305 LOW NO_x PRE-MIXED COMBUSTION AIMING AT MICRO GAS TURBINE COMBUSTOR - 《Proceedings of the Asme/jsme Thermal Engineering Joint Conference》 被引量: 0...
摘要: A device attachable to a power drill for the collection and removal of material released during drilling procedures. A collecting tube is mounted by a clamp parallel to the longitudinal axis of the power drill, and is movable relative to the power drill. A spout surrounds the drill bit...
PURPOSE: To discharge adhesive material without keeping the material remaining in a bucket as much as possible. ;CONSTITUTION: The bottom plate of a bucket 6 is divided into two sections, and bottom plates 9a and 9b are rotatably attached to the upper end of a wall face opposing to the bo...
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