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- acoustical impedance method 声阻法
- Acoustic impedance method 声阻法
- The AC complex impedance method is widely used to charactrize electronic materials. ac复阻抗方法已广泛地用于表征电子材料。
- Study on the Adsorption of DE and DIE on Zinc Electrode by means of A.C. Impedance Method. 交流阻抗法研究DE、DIE在锌电极上的吸附
- It was concluded that AC impedance method was the most desirable one for evaluation of ODA treatment. 启动锅炉经十八烷胺保护后阻抗值增大了3个数量级。
- Human body composition is measured by bioelectrical impedance method, which is a noninvasive detecting method, simply, quick, safe and economical. 生物电阻抗测量体成分的方法具有操作简便、无损伤、快捷、安全和价廉的特点,越来越受到广泛重视。
- As an objective diagnostic method, aural acoustic impedance measuring device holds a very important position in diagnosing ear diseases and hearing obstacles. 作为一种客观的诊断方法,耳声阻抗测量仪在临床耳疾和听力障碍诊断方面具有重要地位。
- A new single-terminal fault locating method based on the traveling wave of wavelet modulus maxima combining with impedance method is presented. 提出了一种基于小波变换模极大值的行波法与阻抗法相结合的单端故障测距方法。
- Respiratory Acoustical Impedance 呼吸声阻抗
- Utter, A.C., Nieman D.C., Ward, A.N., &Butterworth, D.E. (1999).Use of the leg-to-leg bioelectrical impedance method in assessing body-composition change in obese women. 何燕娟（民88）：有氧舞蹈及水中有氧学习课程对专科高年级女生健康适能及身体组成之比较。
- The authors use the specific acoustic impedance of MPP which needs to be measured beforehand in the approach, and then, the transfer matrix method is employed to predict the sound-absorbing performance of single or multi-layered MPP. 采用该方法获得的微孔板吸声性能曲线与实测结果相当接近，能较好地预测各种组合微孔板的吸声性能。
- Negative coefficients occur where there is a decrease in acoustic impedance across the reflecting interface. 当反射界面上下两侧的声波组抗降低时，反射系数就会出现负值。
- Under provided composition of electroforming solution and technology course conditions,the electrode process kinetics of micro-electroforming Ni structure was studied by AC impedance method. 在给定的电铸液组分和工艺路线下,运用交流阻抗法研究了微电铸镍结构的电极过程动力学特性。
- Methods To check on objective acoustic impedance and subjective pure tone audiometry. 方法对外伤性聋进行客观声导抗测试和主观纯音测试。
- It introduces the simple controller which consists of Simens PLC S7-224 CPU,A/D EM231 and TP170A touch screen. The controller controlls the ferroalloys submerged arc furnace by means of indirect impedance method. 介绍了西门子PLC S7-224 CPU、A/D EM231、TP170A触模屏组成的简易控制器,该控制器采用间接阻抗法实现对铁合金矿热电炉控制。
- Bioelectrical impedance method is a noninvasive, s imple, quick, safe and economical method.Body composition in 217 healthy volun teers was determined with bioelectrical impedance(BI) method. 结果显示 ,生物电阻抗方法可以测定人体体脂比 ,细胞内、外液 ,蛋白质、矿物质含量等 ,有助于客观地评价机体的营养状况。
- And the fluid micro-annulus does not affect the shape of spectra, but its existence is equivalent to lowering the acoustic impedance of the cement. 水泥胶结类型不同，反射谱的特征亦不同；微环的存在相当于水泥环声阻抗变小，基本不影响反射谱的形态。
- Opposition to the flow of sound through a surface,acoustic resistance is the real component of acoustic impedance and acoustic reactance is the imaginary component. 声音在通过一个表面时受到的阻力，声阻是声阻抗的实部，声抗是声阻抗的虚部。
- The method seems good but it needs to be tried out. 这个方法似乎不错，但需要试验一下。
- It is difficult for conventional reflection seismic surveys to get the information of low velocity layers underlain high acoustic impedance layers, such as evaporites and basalts. 在蒸发岩、玄武岩等高阻抗岩层发育地区，常规反射地震往往难以获取高阻抗层以下的地层地质信息。
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