As a conclusion,the conception of sound resistance parameter was introduced to explain the sound absorption of porous materials.
引述了多孔吸聲材料的圓管理論模型,引出聲阻、聲抗的概念,并對此進行了數(shù)學編程計算與分析；同時還從工程研究角度給出影響材料吸聲性能的阻抗準數(shù),應(yīng)用該準數(shù)對材料的吸聲性能進行解釋和預(yù)測, 試圖提供一種測量和計算材料吸聲系數(shù)的新方法。
Discussion of the latest research activities in this area and applications of resistance and impedance metrology.
討論在此領(lǐng)域的最新進展，以及電阻標準和阻抗標準的應(yīng)用。
A more in-depth discussion of resistance and impedance standards, and how such standards are realized, represented and compared in metrology laboratories.
更深入地討論電阻標準和阻抗標準，及如何在計量實驗室實現(xiàn)、表達和比較這些標準。
Impedance Analysis and Topology Selection in Standardization for Middle Power Level DC/DC Converters;
中功率DC/DC變流器標準化模塊阻抗分析與拓撲優(yōu)選
three-terminal standard resistor
三端（鈕）標準電阻器
four-terminal standard resistor
四端（鈕）標準電阻器
standard damped least-squares method
標準阻尼最小二乘方法
Code for classification of seismic protection of buildings
建筑抗震設(shè)防分類標準
Objective To evaluate the accuracy and clinical use of cardiac index and ejection fraction derived horn transthoraccic electrical bioimpedance( TEB).
目的評價胸阻抗法測量心臟指數(shù)和左心射血分數(shù)兩項指標的準確性及臨床應(yīng)用價值。
The Meaning and Calibration Methods with High-value Standard Resistor Voltage Coefficient
高值標準電阻器電壓系數(shù)的意義及其校準方法
On Antislide Index and Standard of SMA Pavement
對SMA路面抗滑指標與標準的探討
Calibration on target reliability index of anti-sliding stability for sluices in mountainous area
山區(qū)水閘抗滑穩(wěn)定目標可靠指標校準
intrinsic impedance
內(nèi)在阻抗;內(nèi)阻抗;內(nèi)稟阻抗;本征阻抗;固有阻抗
On the Inductance of the Calculable AC/DC Resistance Standard of Toriod Type;
用于計量標準的交直流電阻標準轉(zhuǎn)換的電感計算
Prior to applying a gravity model, one has to calibrate the impedance function.
應(yīng)用重力模型的之前，你應(yīng)該先校準阻抗函數(shù)。
The Numerical Simulation of Quasi-Isentropic Compression Via Graded Impedence Flyer;
利用阻抗梯度法實現(xiàn)準等熵壓縮的數(shù)值模擬
B1 grade with fireproof and burning retarding functions makes fire and water no chance to damage floor.
標準的B1級防火阻燃功能，使得地板水火不侵。
A Portable Precision Enclosure with High Temperature Homogeneity for the Standard Resistor;
電阻傳遞標準用可攜式高精度空氣控溫箱
On the Standard of Material Retardation in Antidumping Law;
論反傾銷立法中的實質(zhì)性阻礙損害標準