Design of photoacoustic cell is a key factor affecting the measurement results.
光声技术探测火灾具有很大的优势,而光声腔的设计则是影响其测量结果最为关键的环节之一。
Study on PA cells for MEMS PA gas sensors;
MEMS光声气体传感器光声腔的研究
This work focuses on the one-dimension PA cell and has given the model simulation of it.
重点讨论了常用一维管状光声腔体的光声理论,并给出了数学模拟模型。
Starting from the rate equations of acoustic-optical modulated cavity dumping Nd∶YAG laser,the dynamical processes of the number of atoms excited to the upper laser level and the number of coherent photons in the cavity have been analyzed theoretically both in laser buildup period and dumping period.
文中从声光腔倒空动态过程的速率方程出发,分析了腔倒空过程中,在光泵浦和倒空超声波脉冲序列的共同作用下,激光增益介质的反转粒子数密度及谐振腔光场变化的动态过程。
The acoustic cavity technique options and test validation of the bipropellant orbit control rocket engine;
双组元轨控发动机声腔技术方案及试验验证
Modal analysis of the structural body and the acoustic cavity is the important matter on car NVH characteristic study.
车身结构与车室声腔模态分析是车身NVH特性研究的重要内容,识别车身系统模态对避免车身结构与声腔共振、降低车内噪声有着重要的意义。
In order to solve this problem,the characters of noise caused by acoustic-cavity resonance are analyzed,and the motion equation of the acoustic cavity system is deduced.
文中探讨了轮胎内部空腔共振噪声的特性,推导了声腔系统的运动方程,提出了将车轮制作成椭圆形轮圈来降低轮胎声腔共振固有频率峰值的改进方法,并通过实验验证了该方法的正确性。
Discussion on Combining Shanxi Operatic Tunes with Singing Method of Vocal Music;
初探晋剧声腔与声乐发声方法的结合
The Contribution Of Pi-Huang Tune To Developing The Traditional Chinese Opera;
论皮黄腔在戏曲声腔发展史中的贡献
Tito thought he knew the voice, which had a peculiarly sharp ring.
蒂托觉得这语声很熟，带着一种特殊的尖声腔调。
A square lines-source model for calculating transfer matrix of two-dimensional acoustic cavity
计算二维声腔传递矩阵的正方形线声源模型
reentrant acousto-optic light modulator
凹腔声-光学光调制器
a soprano who specializes in coloratura vocal music.
专攻花腔声乐的女高音。
Florid, ornamental vocal trills and runs.
花腔华丽的、装饰性的声音颤动和滑声
Musical sound produced by vibration of the human vocal cords and resonated within the throat and head cavities.
人声通过声带振动并在喉腔和头腔共鸣产生的声音
Diagnostic Value of Sonohysterography in Patients with Uterine Intracavitary Pathology;
宫腔声学造影对宫腔内病变的诊断价值
Experimental evaluation of detectivity of laparoscope ultrasound to urinary system injury during laparoscopic operation
腹腔镜超声对腹腔镜下泌尿系损伤的实验评估
Value of Hysteroscopy Combined with Ultrasonography in the Diagnosis and Therapy of Intrauterine Abnormalities after Pregnancy
宫腔镜联合超声诊治妊娠终止后宫腔异常回声的临床价值
Music characterized by florid, ornamental trills and runs.
花腔以华丽的装饰性颤声和滑声为特色的音乐
LOW NOISE STABLE He-Cd LASER OF A-O FEEDBACK AT BREWSTER ANGLE IN CAVITY
腔内布氏角声光反馈的低噪声稳定氦镉激光
Rudimentary Researches on the Acoustic Characteristics of Microperforated Panel Absorbers with Alterable Air-Cavity;
不等腔微穿孔板组合吸声结构的吸声特性初探
A Study of Musical Feeling;
字正腔圆 声情并茂——声乐艺术中的语感初探
Ultrasonography of Hydrohystera Caused by Different Reasons
不同原因所致宫腔积液的超声声像图分析
The Value of Interventional Ultrasound and Vaginal Ultrasound in Diagnosing Intrauterine Adhesions
介入性超声与经阴道超声诊断宫腔粘连的价值
His fury spent itself in curses.
他的满腔怒火在咒骂声中渐渐平息。