acoustic wall 中文意思是什麼
acoustic wall
解釋
吸聲墻-
An anterior sigmoid sinus tend to be observed when the distance between petrous back wall and external auditory canal is shorter. 5. 11 / 40 ( 27. 5 % ) posterior lip of internal acoustic meatus cover facial nerve more than 1 / 3
氣化的乳突其顳骨巖部后骨板與外耳道後壁之間距離較大，外耳道後壁和顳骨巖部后硬腦膜之間距離也反映了乙狀竇前移程度，該距離愈小，乙狀竇愈有前移傾向。 -
1, product uses : wall panels, ceiling panels, fire panels, waterproof panels, boxes, etc., can be substituted for wood plywood so qiangqun, doors and windows shutter panels, furniture, etc., as well as by the need to reconcile painting, water painting, and processed into various types of panels face and can be used for the basement, air and mine, moist environment works, but also with a variety of heat preservation material composite, manufactured composite food warming plate 2, product characteristics : bolivia has a magnesium plates withstand high temperatures, fire, acoustic vibration, waterproofing curing, pest control, light corrosion, drug - free tasteless clean, the paint can be directly with noodles, available gas nails, direct, tiles, surface better color
1產品用途：墻板，吊頂板，防火板，防水板，包裝箱等，可替代木質膠合板做墻裙，門窗板門板，傢具等，也可根據需要做調和漆，清水漆，並可加工成各種類型的板面，同時可用於地下室，人防和礦井等潮濕環境的工程，還可以與多種保溫材料復合，製成復合保溫板材2產品特性：玻鎂板具有耐高溫阻燃吸聲防震防水防潮防蟲輕質防腐無毒無味無污染可直接上油漆，直接貼面，可用氣釘直接上瓷磚，表面有較好的著色性。 -
Building decoration : decorating plate, acoustic board, partition panel, roof insulating panel, water resistant kitchenware, bathing necessity, commercial decorative frame, damp proofing wall of dust free room, and flame retardant / fire - proof sash frame
建築裝潢：裝飾板、隔音板、隔墻板、屋頂隔熱板、耐水廚具、浴具、商用裝飾架、無塵室防潮墻壁、防火和阻火窗架。 -
( 2 ) based on the wave equation in the acoustic fluid space and the theory of thin - wall structure, the non - symmetrical coupled structure - acoustic dynamic equation without damping is studied. the non - symmetric system of the finite element model for coupled structure - acoustic response is solved by the conjugate subspace iteration method
由聲空間波動方程和薄板理論出發，對聲場?結構耦合系統的模態分析提出了有限元數值方法，採用共扼子空間迭代法對非對稱特徵方程進行處理，採用靜凝聚法消除質量矩陣的奇異性。 -
Experimental investigation of acoustic absorption of detonation by absorbing materials lining wall
爆轟波在阻尼管道中聲吸收的實驗研究
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