He found that the length of time it takes a sound's echo to decay is determined by the absorption of the sound's original energy by surrounding material.
他发现,声音回声衰减的时间长短取决于周围物质对声音原始能量的吸收。
Transmission electron microscopy creates images by shooting trillions of electrons through an object and measuring their absorption, deflection and energy loss.
透射电子显微镜呈像的方法是对物体发射万亿电子,测量它们的吸收,偏斜和能量损失。
When cyanide is ingested, it binds to iron inside cells, interfering with the absorption of certain enzymes and compromising a cell's ability to produce energy.
氰化物进入人体后会和细胞中的铁相结合,干扰人体对于一种酶的吸收并抑制细胞生产能量的能力。
Open ocean reflects less of the Sun's energy than ice does, so a large-scale summer melt would mean more absorption of heat in the ocean.
开阔的大洋对太阳造成的影响比海冰大,所以大规模的夏季融化将意味着海洋吸收了更多的热量。
By using UV photoelectron spectroscopy and optical absorption measurements, the researchers determined the energy of the lowest excited electronic states in the nanocrystals.
通过紫外线光电子光谱和光学吸收的测量,研究人员测定了纳米晶体中电子的最低激发态能级。
The torque-speed characteristic of an electromagnetic damper affects the energy absorption and dissipation.
电磁阻尼器的力矩特性直接影响它对能量的吸收和耗散。
Graduate research on higher plant thylakoid membrane protein phosphorylation and its relation to the regulation of light energy absorption in two photosystems.
研究生新生研究?高等植物类囊体膜蛋白磷酸化及其与两个光合系统中光能吸收的关系。
The relationships between strain rate and the elastic modulus, critical strain, Poisson's ratio and energy absorption capacity of concrete are still studied.
分析了应变率对混凝土弹性模量、峰值应力时的应变、泊松比和混凝土吸能能力的影响。
This heating is accentuated with height because of absorption of solar energy by ozone.
因为太阳能主要被臭氧所吸收,这种加热随高度的变化很突出。
This heating is accentuated with height because of absorption of solar energy by ozone .
因为太阳能主要被臭氧所吸收,这种加热随高度的变化很突出。
It is assumed that the emission and absorption of light energy by an atom or molecule is not a continuous precess but occurs in steps.
假定原子或分子发射光能和吸收光只能不是一个连续的过程,而是阶梯式发生的。
The results demonstrated that the response surface method in structural optimization of impacting energy absorption was feasible, and had merits of high computing efficiency and short computing time.
研究结果表明响应面法应用于碰撞吸能的结构优化问题上是可行的,具有提高计算效率,节省计算机时间等优点。
Dynamic simulation of lithium bromide absorption chiller can reveal its dynamic characteristics as well as realize the optimization of design and energy saving.
对溴化锂吸收式制冷机进行动态仿真可以了解其动态特性,进而实现优化设计,利于节能节材目标的实现。
This elevation of molecular energy is known as "resonance and absorption".
这种分子能量海拔被称为“共振吸收”。
Undernutrition is primarily used in the context of deficient energy or protein intake or absorption and is often described as protein energy malnutrition.
营养不良主要用于能源的不足或蛋白质摄入或吸收情况和常常被描述的蛋白质能量营养不良。
Infrared radiated electric heating film transfers energy in main way of infrared radiation. Human body gains energy by following the absorption matched rules.
远红外辐射电热膜用于采暖,主要以红外辐射的方式传递能量,人体获得能量遵循匹配吸收原则。
Transmission conversion and absorption (dissipation) of earthquake energy are the fundamental characteristics of the structural seismic response.
能量的传递、转化与吸收(消耗)是结构地震反应的基本特征。
In the actual use of the components, energy absorption capacity has the same rate of raising as the volt-gradient is required.
在元件的实际使用中,必然要求元件能量吸收能力同比于电位梯度提高。
The problems of EM energy absorption of human body irradiated by plane wave are discussed by using the Finite-Difference Time-Domain (FD-TD) method.
本文讨论了用时域有限差分法计算在平面电磁波照射下人体对电磁能量的吸收问题。
The energy absorption of the aluminum foams also increases with the porosity decreasing or the pore size increasing.
泡沫铝的能量吸收性能随孔隙率的增大而变差,能量吸收率随孔隙率的增大而减小。
The energy absorption capacity decreased regularly along with the increase of porosity and the energy absorption efficiency became insensitive to pore size (d) and porosity (P_r).
固溶时效热处理使压缩吸能能力随着孔隙率的增大而呈现规律性减小,并使能量吸收效率对孔隙率和孔径的敏感程度减小。
The whole cerebrum must be understood as an energy system, the energy liberation and the energy absorption are basic nature of each energy system.
必须把大脑整体理解成一个能量系统,能量释放和能量吸收是每一个能量系统的基本性质。
Based on the concept of activation energy and microwave absorption power density, the formula of diffusion coefficient due to the effect of microwaves is derived.
利用活化能的概念和微波吸收功率密度表达式得到微波作用下的扩散系数表达式。
As one of the renewable energies, absorption and utilization of wave energy is always an important research field both at home and abroad.
作为可再生能源,波浪能的吸收和利用一直是国内外热点研究内容之一。
Athermal effect any effect of electromagnetic energy absorption not associated with a measurable rise in temperature.
非热效应与可测量的温度升高无关的所有电磁能吸收效应。
It influences greatly the plasma wake -field acceleration, energy absorption, energy transport, the dynamics behaviors of electrons and ions, expansion of plasma, etc.
它对等离子体尾流加速、能量吸收、热输运、电子及离子的动力学行为、等离子体膨胀等多方面都有很大的影响。
Energy dissipation is a new kind of antiseismic technology. Structural shock absorption by viscous dampers is one of the most effective energy dissipation methods.
利用粘滞阻尼器对工程结构进行减震是耗能减震方法中最有效的新型抗震技术之一。
Studies of energy spectrum analysis on the absorption and distributive laws of nutrient elements in sucking roots of ginkgo biloba l.
银杏吸收根营养元素吸收及分配规律的能谱分析。
Two sets of inverse formula of velocity perturbation and reflection functions are deduced under the hypothesis of small energy absorption.
在能量吸收比较小的假设下,利用此法可得到两套及演速度扰动函数和反射函数的公式。
Based on the one dimensional wave propagation theory, a simple dynamic model was presented to analyze the failure process and energy absorption of the shells under impact loading.
根据一维应力波传播理论,提出了圆柱壳受轴向撞击破坏的简化模型,分析了这一破坏过程中的能量变化。
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