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- sound absorption model 吸声模型
- A three-dimensional transfer matrix model was presented to simulate the sound absorption coefficients of the graded polyurethanes based on relation of stress and strain of polymers. 根据高分子材料中三维应力应变关系建立了三维传递矩阵数学模型,模拟梯度聚氨酯在不同入射角下的吸声性能。
- The reason lies in that the absorption model varies between the pre-inhibitory max value and over-inhibitory max value. 这是其吸附模式在缓蚀效率极值前后发生变化的缘故。
- It indicates that straw-based wallboard has characteristics of low density, good heat insulation and sound absorption. 笔者综述了3种墙体材料生产工艺、产品性能及其用途的研究现状和发展趋势。
- METHODS: Using invivo rat intestinal absorption model and HPLC, the apparent small intestine absorption rate of protocatechualdehyde was mea-sured. 方法:利用大鼠在体肠吸收模型,以高效液相色谱法测定原儿茶醛的表观小肠吸收速率。
- Horniness beaverboard sound absorption, waterproof properties is good, hard usage, construction is convenient. 硬质纤维板吸声、防水性能良好,坚固耐用,施工方便。
- The leaf stoma non-saturation condition is considered to calculate the evapotranspiration,and the root absorption model is revised as well. 对植被内部湍流交换的物理过程作了深入研究,特别考虑了叶片气孔为非饱和水汽条件下的交换情况,并且给出了修正后的根系吸水模式。
- Its good characteristics include low cost, high durability and good property of sound absorption. 它具有成本低、耐久性高、吸声性能好的特点。
- The sound absorption coefficient of the material was tested by standing wave tube method. 采用驻波管法测试材料的吸声系数。
- The sound absorption property of eucalypt wood of 0.5 cm in thickness is much better than that of 1.0 cm in thickness. 0.;5厘米厚的锯材的吸声性能好于1
- At the same time, the basic equation about radiotechnology transfer and local volumetric rate of energy absorption model were introduced in the photochemical reactor. 同时,介绍了光催化反应器中辐射能传递的基本方程和局部体积能量吸收速率的理论模型。
- The sound absorption coefficient of three kinds OSB wallboard were tested by the stationary wave method. 采用驻波管法测定了3种定向结构板(OSB)复合墙体的吸声系数;
- METHODS In situ intestinal absorption model was used to study the intestinal absorpt ion mechanism and the intestinal absorption enhancer of the thymosin. 方法:建立在体肠吸收模型研究胸腺肽胃肠道吸收机理,以肠吸收参数指标筛选肠吸收促进剂,以药剂学指标筛选吸收剂和助流剂,设计制剂处方并制备之。
- In the light stamen and pistil heart the flow butterfly sucks the sound absorption. (只要意思接近)翻译:“挥去快乐的天堂时光,而坠入诱惑的梦想世界。
- The function of the curtain is sound absorption, sound insulation, adiabatic above all, prevent cold, adjust the light. 窗帘的功能首先是吸声、隔音、隔热、防寒、调节光线等。
- Sound absorption materials is always used in controlling reverberation time in the acousti-cal design of studios. 对演播厅混响时间的控制,在声学设计上往往通过安装吸声材料来实现。
- The aim was to research the sound absorption properties of graded polyurethanes at different incident angles. 主要研究梯度聚氨酯在全入射角下的吸声性能。
- Numerical and emulational results of sound absorption coefficient from some typical structures are presented. 给出了一些典型结构的吸声系数的仿真结果。
- Report on the Determination of Sound Absorption Coefficients of a Renhurst Rippletone Ceiling System in a Reverberation Room. 怡谱佳吊顶声学混响室法吸音系数报告。
- Inside wall of pump chamber is adhibited with sound absorption material, equipped with double layer sound isolation door. 水泵房等房间内壁贴吸声材料。采用双层隔音门。