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(jìn)行了數(shù)學(xué)編程計(jì)算與分析；同時(shí)還從工程研究角度給出影響材料吸聲性能的阻抗準(zhǔn)數(shù),應(yīng)用該準(zhǔn)數(shù)對材料的吸聲性能進(jìn)行解釋和預(yù)測, 試圖提供一種測量和計(jì)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(jìn)展，以及電阻標(biāo)準(zhǔn)和阻抗標(biāo)準(zhǔn)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(biāo)準(zhǔn)和阻抗標(biāo)準(zhǔn)，及如何在計(jì)量實(shí)驗(yàn)室實(shí)現(xiàn)、表達(dá)和比較這些標(biāo)準(zhǔn)。
Impedance Analysis and Topology Selection in Standardization for Middle Power Level DC/DC Converters;
中功率DC/DC變流器標(biāo)準(zhǔn)化模塊阻抗分析與拓?fù)鋬?yōu)選
three-terminal standard resistor
三端（鈕）標(biāo)準(zhǔn)電阻器
four-terminal standard resistor
四端（鈕）標(biāo)準(zhǔn)電阻器
standard damped least-squares method
標(biāo)準(zhǔn)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(biāo)準(zhǔn)
Objective To evaluate the accuracy and clinical use of cardiac index and ejection fraction derived horn transthoraccic electrical bioimpedance( TEB).
目的評價(jià)胸阻抗法測量心臟指數(shù)和左心射血分?jǐn)?shù)兩項(xiàng)指標(biāo)的準(zhǔn)確性及臨床應(yīng)用價(jià)值。
The Meaning and Calibration Methods with High-value Standard Resistor Voltage Coefficient
高值標(biāo)準(zhǔn)電阻器電壓系數(shù)的意義及其校準(zhǔn)方法
On Antislide Index and Standard of SMA Pavement
對SMA路面抗滑指標(biāo)與標(biāo)準(zhǔn)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(biāo)可靠指標(biāo)校準(zhǔn)
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(jì)量標(biāo)準(zhǔn)的交直流電阻標(biāo)準(zhǔn)轉(zhuǎn)換的電感計(jì)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(zhǔn)阻抗函數(shù)。
The Numerical Simulation of Quasi-Isentropic Compression Via Graded Impedence Flyer;
利用阻抗梯度法實(shí)現(xiàn)準(zhǔn)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(biāo)準(zhǔn)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(biāo)準(zhǔn)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(shí)質(zhì)性阻礙損害標(biāo)準(zhǔn)