声反射

具有刚性联接界面和滑移界面的层状固体媒质的声反射

Sound reflection from layered solid medium with rigid and slip interfaces

不平整水面的镜向声反射

The sound reflection in specular direction on a rough surface

镫骨肌声反射（AR）引出率为21.95%。

Inducing rate of acoustic reflex ( AR ) was 21.95 % .

镫骨肌声反射（AR）引不出或AR阈值升高。

Either the acoustic reflex ( AR ) was absent or the AR threshold was elevated .

目的探讨鼻声反射（AR）用于鼻腔截面积测量的准确性。

ObjectiveTo evaluate the accuracy of acoustic rhinometry ( AR ) in estimating nasal airway cross-sectional areas by computed tomography ( CT ) .

目的：探讨非洲黑人与国人之间鼻声反射参数、鼻阻力（NR）的差别。

Objective : To study the difference of nasal resistance ( NR ) and nasal parameters between Chinese and Black people from African .

采用直流磁控反应溅射，在Pt电极上沉积了AlN压电薄膜，并制备了以SiO2为声反射层的体声波谐振器。

Piezoelectric AlN films were deposited on Pt electrode by direct current magnetron reactive sputtering , on which FBAR with SiO2 as the acoustic reflect cell was fabricated .

不同程度听力损失的镫骨肌声反射引出率比较，听力损失V级者500~2000Hz引出率与其他各组比较差异均有显著性（P<0.05），而4000Hz引出率组间比较差异无显著性（P>0.05）。

Significant difference of acoustic stapedial reflex in 500 - ( 2 000 Hz ) was existed between the class ⅴ and other classes of hearing loss , but there were no significant differences among groups in 4 000 Hz .

目的：探讨麻黄碱试验在鼻声反射（AR）中的临床应用，研究定量评价鼻腔黏膜状态的方法和鉴别单纯性鼻炎与肥厚性鼻炎的客观指标。

Objective : To discuss the clinical application of Ephedrine Test in acoustic rhinometry , we studied the method of quantitative evaluation for nasal mucosal state and discriminated the objective parameters between simple rhinitis and hypertrophic rhinitis .

目的：利用鼻声反射技术（acousticrhinometry，AR）对腺样体肥大儿童的鼻气道开放程度进行客观定量评估，同时结合X-线头颅测量法观察腺样体肥大对儿童颌面发育的影响。

Objective : To evaluate the condition of nasal airway objectively and quantificationally by acoustic rhinometry ( AR ) and combining roentgenographic cephalometry to observe the effects of dentofacial development in children with adenoid hypertrophy .

利用Galerkin方法建立了有限元格式，进行了大量的数值计算，分别研究了非均匀层中多孔介质、重核的材料参数和结构的变化对声反射特性的影响；

The finite element formulation is derived by using the Galerkin technique . Influences of material constants and the structure both of the porous medium and the heavy particles on reflection characteristics of the structure is analyzed .

结论：鼻声反射可作为鼻腔通气功能评价的客观指标，且可以精确确定NMCA的位置，为临床手术提供参考。

It also can definite exactly the place of NMCA and offer reference for clinic surgery .

678Hz探测音，声反射阈高于226Hz及1000Hz。

The acoustic reflex thresholds for 678 Hz probe were higher than those obtained with 226 Hz and 1000 Hz probes .

28耳鼓室导抗图均为A型，20耳可引出声反射，声反射阈与听阈之差平均为28dBHL。

Acoustic impedance were performed in 28 ears , and tympanogram showed type A in all the ears . Acoustic reflex were present in 20 ears , and the average difference between acoustic reflex thresholds and pure-tone thresholds was 28 dB HL .

方法用全自动听觉脑干反应（AABR）对瞬态耳声反射（TEOAE）两次筛查均未通过的157例婴儿再次进行筛查。

METHODS 157 newborns who failed the secondary test of transient evoked otoacoustic emission ( TEOAE ) were tested by automatic auditory brainstem respones ( AABR ) test .

讨论了衬底温度对Mo-Ti布拉格声反射层粗糙度影响。沉积了界面清晰，表面平滑的布拉格声反射层，为FBAR传感器的制备奠定了基础。

Discussion on the Mo-Ti Bragg reflector roughness effected by substrate temperature Deposition of the interface is clear , smooth surface acoustic Bragg reflector , the preparation for the FBAR sensor basis .

：研究广东地区健康青年人鼻声反射参数：鼻限流节段的部位、鼻腔最小横截面积（NMCA）、鼻腔容积（NCV）和鼻阻力（NR）的正常值，以及它们之间的关系。

Objective : In order to study the site of nasal parameters , nasal minimal cross-sectional area ( NMCA ), nasal cavity volume ( NCV ), nasal resistance ( NR ) and the relations among them .

浅海声反射损失的实验研究

An experimental study of the acoustical reflection loss in shallow seas

求取潜艇声反射强度的新方法

A New Method for the Calculation of Submarine 's Target Strength

同侧镫骨肌声反射测试与反向曲线

The ipsilateral stapedial acoustic reflex test and the directional inverse curve

重症肌无力患者声反射检测的临床意义

Clinical value of the acoustic reflex in patients with myasthenia gravis

复杂场景中的多重声反射跟踪算法研究

Tracing Algorithm for Multiple Reflections in Sound Fields Within Complex Environments

声反射鼻测量计对婴幼儿进行鼻腔测量

Electronic Nose Nasal cavity dimensions in the infants measured with acoustic rhinometry

各向异性固体层的声反射和透射谱

Reflection and Transmission Spectrum of Sound at Anisotropic Solid Layer

层状多孔介质中声反射和透射

Reflection and transmission of acoustic wave on multilayered porous media

对用镫骨肌声反射推算听敏度的评估

Evaluation of Predicting Auditory Sensitivity From the Acoustic stapedius Reflex

交叉镫骨肌声反射客观评价鼓室成形术后听力改变

The Objective Assessment of Hearing Improvement after Tympanoplasty by CART

数值分析了水声吸声覆盖层的声反射特性。

The acoustic reflection characteristics of the underwater anechoic coating are numerical analyzed .

压电晶体-液体-各向同性固体分层结构中的声反射和声透射

Reflection and transmission of acoustic waves on a layered structure : piezocrystal-liquid-isotropic solid

声学材料大样声反射系数声全息快速反演方法研究

Investigation on Fast Reconstructing Reflection Coefficient from Big Acoustic Material Samples by NAH