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- energy density of sound 声的能量密度
- A power density 1207 W/kg was obtained with an energy density of 5.7 Wh/kg. 3. 在功率密度为1207 W/kg 时;其能量密度为5.;7 Wh/kg。
- The energy density of the spot was 100 times the typical saturation level of the vidicons. 光点的能量密度为光导摄像管典型饱和电平的100倍.
- Difluoramino is one of the most ideal groups in enhancing the energy density of energetic compounds. 二氟氨基是提高含能化合物能量密度的最为理想的基团之一。
- The peak value of energy density of rock attenuates exponentially with distance. 岩杆中能量密度峰值随距离以指数形式衰减。
- Respone to energy density of broilers was different from layer chicks, the latter were not affced. 饲粮能量浓度对蛋鸡和肉鸡有不同的效应,蛋鸡的两种血液成分不受影响。
- Along with the rapid development of portable electronic devices and MEMS products, the requirement of increasing the energy density of power supply unit is urgent. 摘要随著便携式电子产品和微机电系统(MEMS)的迅速发展,对电源能量密度的要求不断提高。
- The energy density of space during the inflationary period fluctuated because of the intrinsically statistical quantum laws that govern nature over subatomic distances. 由于支配次原子范围物理之量子定律的统计特性,使得空间的能量密度在暴胀阶段不停地起伏。
- The critical bending strain energy density and the compressing strain energy density of the diatomite asphalt mixture are greater than those of the neat asphalt mixture. 硅藻土沥青混合料临界弯曲应变能密度及压缩应变能密度均大于基质沥青混合料;
- In a study published in the journal Obesity Reviews, they calculated the average energy density of menus at McDonald's, KFC and Burger King, using nutritional data from the fast food chains' websites. 《肥胖评论》杂志发表了他们的研究结果,他们通过快餐连锁网站上的营养数据计算了麦当劳、肯德基和汉堡王食品的平均能量密度。
- When did the first measurement of the speed of sound take? 第一次测量声速是在什么时候?
- Lagrange Multipliers are introduced in loose incompressible constraints, and the nonlinear hybrid FEM is applied to analyses and calculations for stress, strain and strain energy density of viscoeiastic rubber material. 本文引入拉格朗日乘子对不可压缩性的约束进行放松,并采用非线性混合有限元法,对悬挂机构所用橡胶黏弹性材料的应力、应变及应变能密度进行分析计算。
- We use Einstien-Tolman expression of the energy-momentum pseudo tensor (EMPT) in the sphere and Cartesian coordinates, calculated the energy density of static sphere symmetry of gravitational field. 文中重点讨论静态引力场的能量密度与de sitter弯曲时空中双极化态遗迹引力波的能量动量赝张量和正定性性问题。
- Every paragraph is a distillation of sound judgment. 每段话都是正确判断的结晶。
- The distal part of the subdermal vascular network (SVN) random skin flap on the rab- bit was radiated with He-Ne laser at an energy density of 3.15J/cm~2.The blood vessels of the flap were perfused with Chinese ink. 为了探明激光对真皮下血管皮瓣血管重建有无影响;使用能量密度为3.;15J/cm~2的 He-Ne激光照射兔随意型真皮下血管网皮瓣远1/3段。
- Methods The rabbit VSMC cultured in vitro were irradiated by 510 6 nm copper vapor laser with a power density of 100, 200 or 300 mW/cm 2 and an energy density of 100, 150, 200, 210, 300 J/cm 2, respectively. 方法 取离体培养的第 4代兔VSMC ,予波长 5 10 6nm铜蒸气激光照射 ,照射剂量为功率密度 10 0、2 0 0、30 0mW cm2 ,能量密度10 0、15 0、180、2 0 0、2 10、30 0J cm2 。
- Airliners in service at present cannot fly faster than the speed of sound. 目前供使用的客运机飞行速度不能超过音速。
- It is found that energy density of static sphere symmetry of gravitational field is negative in the sphere coordinates and their energy density is positive definite in the Cartesian coordinates. 在球坐标系和直角坐标系下我们用Einstien-Tolman(E-T)表述计算球对称静态引力场的能量密度,发现在球坐标系下能量密度为负,而在直角坐标系下能量密度为正;
- Characterized by high volume and intensity. Used of sound. 大声的以高音量和强烈为特征的。用于声音