We determined the molecular constants such as band origins and rotational and spin-rotation constants for 5 new vibronic bands in the region.
5nm区域的 5个新振动带 ,并分析了每个振动带的转动结构 ,确定了这些带的带源、转动常数以及旋 -转耦合常数等分子常数 ,实验结果表明 ,所有得到转动标识的谱线均属于平行跃迁 ,电子激发态的振动能级与电子基态的高振动能级之间存在强烈的相互作
Though the spectrum was rather congested,we could determine the molecular constants such as band origins and rotational and spin\|rotation constants for 25 vibronic bands in the two most intense absorption regions 505—510?nm and 513—520?nm.
用准分子激光抽运可调谐染料窄带激光测定了室温下NO2 分子 5 0 0— 5 32nm区高分辨荧光激发谱 ,在两个较强吸收区 5 0 5— 5 10nm和 5 13— 5 2 0nm范围内标识了 2 5个振动带 ,并作了转动分析 ,得到了相应的带头位置、转动常数和旋 转偶合常数等分子光谱常数 ,在 2 5个振动带中有 5个谱带是新发现的 ,所有得到转动分析的谱线均属于平行跃迁X～ 2 A1—A～2 B2 ,对实验结果的分析表明电子激发态A～ 2B2 受到基态X～ 2 A1高振动能级的强烈扰
Therefore the research on vibration band gaps of three-dimensional phononic crystals can be simplified to the study of one-dimensional ones.
文章采用有限元方法分别计算了立方散射单元构成的一维声子晶体及简单立方结构三维声子晶体的振动特性 ,结果表明 ,两种声子晶体的振动带隙有较好的一致性 ,因此 ,对三维声子晶体振动带隙的研究可以简化为对一维声子晶体振动带隙的研究。
Research on vibration band gaps of one dimensional phononic crystals consisted of metal and nitrile butadiene rubber;
金属/丁腈橡胶杆状结构声子晶体振动带隙研究
The lumped-mass method was employed to calculate the vibration band gaps of one-dimensional phononic crystals consisted of granite and nitrile rubber,the effects of the number of lumped-mass,lattice constant,volume fraction and viscoelasticity of nitrile rubber on band gaps were also investigated.
采用集中质量法计算了一维花岗岩/丁腈橡胶声子晶体的振动带隙,研究了集中质量数、晶格常数、组分比及丁腈橡胶的粘弹性对带隙的影响。
It is found the composite material rod exhibits torsional vibration band gaps.
发现一维声子晶体具有扭转振动带隙,并且分析了椭圆形状对带隙频率的影响。
Objective:To research the significance of videokymography for vocal fold vibration in diagnosis of voice diseases.
目的:研究记波扫描声带振动图在嗓音疾病诊断中的意义。
For the fatigue life test of body structures,a method using a sinusoidal vibration instead of a narrow band vibration and simplifying the test is developed.
研究了车身结构件在窄带随机振动环境下的室内可靠性模拟试验方法 ,提出了一种用定频正弦振动等效模拟窄带随机振动的试验方法 ,并应用于一种拖拉机驾驶室结构的可靠性疲劳试验 ,达到了以较少的试验投入实现复杂结构室内窄带振动环境模拟疲劳寿命试验的目的。
Comparative Analysis of Three Types of Shoulder Rumble Strips
3种不同类型路侧振动带的对比分析
rated broad band random force
额定宽带随机激振动力
vibrating conveyor drier
振动传送带式干燥机
organ pipe with a vibrating reed.
带有振动簧片的风琴管。
A study of peak distribution of narrow-band and wide-band random vibration;
窄带和宽带随机振动的峰值分布研究
Dynamic modeling of serpentine belt drive systems and the tranverse vibration control of the belt
多楔带传动系统振动建模及带段横向振动控制的研究
external concrete vibrators with motor
带电动机的混凝土振动器
An Analysis of the Induction of the Spatial Electric-magnetic Field While the Live Spring Dipole Is Vibrating;
带电弹簧振子振动时的空间电磁场强度
To pronounce with vibration of the vocal cords.
发音通过声带振动来发出声音
Semiconductor Intersubband Dynamics and Terahertz Oscillator;
半导体子带间动力学及THz振荡源研究
The Research on the Vibration of the Thin Plate with Concentration Mass;
带有集中质量的薄板振动问题的研究
Oscillation of Second Order Differential Equations with Forced Term;
带有强迫项的二阶微分方程的振动性
Vibration Spectrum Measurement and Analysis of Track Vehicle
履带车辆振动谱测试与分析方法研究
Damped vibration characteristics of blades with tips of an aero-engine
航空发动机自带冠叶片减振特性研究
The weigh belt will turn on bin shaker to start the material moving again.
带秤将开动料箱的振动器，以使物料继续流动。
Research on Multibody Dynamics and Contact Vibration of Belt Transmission
带传动系统的多体动力学建模与接触振动研究
Oscillatory Behavior of Second Neutral Delay Difference Equations with Damping Term
一类二阶带阻尼项的不稳定型差分方程的振动性与非振动性
Vibration characteristics of shaker with friction damping by way of equivalent damping
采用等效阻尼法分析带有摩擦阻尼振动筛的振动特性