系统地研究了不同板栅合金的耐腐蚀性、析气性能、表面腐蚀层阻抗等电化学性能。
Electrochemical performances of different grid alloys, including the performances of corrosion resistance, gassing evolution and the impedance of corrosion layer, were studied systematically.
在单层阻抗匹配层的情况下，合理地选择匹配层的厚度可以调整其谐振点之间的位置，从而改善换能器的辐射特性。
The places of resonance points can be adjusted, and the radiated characteristic of transducer with single matching layers was improved by choosing the length of matching layer reasonably.
疲劳试验结果表明：约束层冲击阻抗越大，激光脉冲功率密度越高，铝合金激光冲击处理后疲劳寿命的提高越显著。
The fatigue test results show that the higher shock impedance of overlays, and the higher laser power density, the greater the increase of fatigue life of aluminum alloy.
通过对该区中生界火山岩的测井、地震相、振幅、频率、波阻抗等地球物理响应研究，来进行岩性识别和储层预测，进而指导勘探部署。
The study of geophysical response, such as logging response, seismic facies, amplitude, frequency and wave impedance, is helpful for recognizing and predicting volcanic rock.
由衬底损耗机制，讨论了衬底阻抗、氧化层电容和衬底有效介电常数对滤波性能的影响。
Increasing the substrate resistance and reducing the substrates' oxide thickness and coupled capacitances make a reduction of the substrate loss.
反演依靠一维合成声波测井的结果，以地震地质解释的成果为约束，顺层横向递推形成初始波阻抗模型。
Combined with the result of one dimensional synthetic acoustic curve and seismic geological interpretation, comprehensive constrained inversion forms primitive impedance model along with layers.
道积分值代表相对波阻抗值，它反映了地震剖面上相对层速度的变化。
Trace integration value represents relative wave impedance. it reflects the variation of relative interval velocity in a seismic section.
现代应用较多的吸声层大部分是阻抗过渡式结构，但是厚度有限，无法满足低频吸声的要求。
Now most sound absorption layers are impedance transition constructs, which have been used widely, but their thickness is limit and cannot meet the need of absorbing sound at low frequency.
声波阻抗参数直接反映油气储层物性，能用于预测储层空间和储集条件分布。
As a parameter directly reflecting the petrophysical property of reservoir, the acoustic impedance can be used for predicting reservoir space distribution and storage conditions.
对成层土中变阻抗(变模量或变截面)桩在任意激振力作用下的纵向振动特性进行了研究。
Longitudinal vibration of pile with variable impedance (variable sections or modulus) in layered soil undergoing arbitrary load is theoretically investigated.
通过对波阻抗数据和测井解释资料的分析，建立起波阻抗数据与储层参数的相关关系。
Through analyzing the wave impedance data and logging interpretation data, the relations of the former to the reservoir parameters were established.
储层厚度预测的核心技术是波阻抗特征分析技术。
The principal technique of reservoir thickness prediction is wave impedance characteristic analysis.
地震波阻抗反演技术已日益成为油气藏勘探、开发中储集层横向预测的重要手段。
The seismic wave impedance inversion technique is becoming an increasingly important tool in carrying out reservoir prediction for oil exploration and development.
随机地震反演不仅可以获得高分辨率波阻抗资料，还可以得到伽玛、孔隙度等储层物性参数，具有更直接的岩石物理意义。
Through stochastic inversion, not only the high resolution impedance, but also the gamma ray, porosity and other lithologic parameters with physical properties of rock can be inverted.
波阻抗反演是储层参数及砂体预测不可缺少的内容，在地震勘探中占有重要位置。
Wave impedance inversion is essential in predicting reservoir properties and sand-body distribution, and plays an important role in seismic survey.
声波去耦层的声阻抗和厚度决定该声波去耦器的声阻抗，并因此决定DSBAR器件的通带宽度。
The acoustic impedances and thicknesses of the acoustic decoupling layers determine the acoustic impedance of the acoustic decoupler, and, hence, the pass bandwidth of the DSBAR device.
对于砂岩储层，含气砂岩的声阻抗比含油和含水砂岩的声阻抗低，利用这种差异可以直接识别储层中气体。
For sandstone reservoir, the acoustic impedance of gas-bearing sandstone is lower than that of oil - and water-bearing sandstone, gas in reservoir may be directly recognized by using this difference.
根据高分辨率层序地层理论，利用稀疏脉冲拟波阻抗反演技术在塔中地区进行了储层预测。
Based on the theory of high resolution sequence stratigraphy, the reservoirs in Tazhong area was predicted using the technology of constrained sparse pulse inversion.
在复合棒纵向换能器的辐射端加上适当材料的阻抗匹配层，可以使其工作在非单谐振状态下。
The non-single resonance characteristics appear by forming proper impedance matching layers on the radiative surface of longitudinal mode piezoelectric transducer.
在此基础上得出了脊波导结构调制器中缓冲层厚度对特征阻抗和有效介电常数的影响特性。
On the basis of this calculation, the impact of the SiO2 buffer layer thickness on the characteristic impedance and dielectric constant in the modulator with a ridge structure is obtained.
以匝参数为基本单元建立了变压器绕层的等效电路，利用等效电路入端阻抗相等的性质，推导了绕层等值电容的计算公式，并给出了简化计算的方法。
The formula for calculating layer winding capacitance is proposed by making the input impedance of the equivalent circuits equated and a method which can simplify the calculation processes is given.
理论上从阻抗失配效应的临界密度公式，推导出了烧蚀层的临界厚度，并推广到飞片的情形，提出了烧蚀层厚度对飞片速度和稳定性的影响规律。
We deduce the formula of the critical thickness of ablator, and put forward the rule of how the thickness of ablator affect the velocities and the stability of flyer.
将莫来石陶瓷作为吸波材料阻抗变换层，能够大幅度提高材料的吸波性能。
When the as-formed mullite ceramic is used as an impedance transfer layer of the microwave absorbing material, it greatly enhances the microwave absorbing efficiency of absorbing materials.
该反演方法是基于初始模型的反演方法，利用拟声波曲线代替声波曲线来建立初始模型，并进行波阻抗反演，可以大大提高反演结果对储层反映的精确度。
This method is based on the preliminary model, using simulated AC curve instead of AC curve to do the inversion, and it can get very high resolution of inversion result.
基于模型的波阻抗反演成果也很好反映了储层的分布。
Wave impedance inversion achievement based on the model has also reflected the reservoir distribution.
利用精密阻抗分析仪hp4294 A对梁、板和三层钢框架进行了实验研究。
Precise impedance analyzer HP4294A has been used for experiment research on beams, slabs and 3 floors of steel frames.
结果表明，增加铁磁层和导电层的厚度都会增强多层膜的应力阻抗效应。
The results show that the stress-impedance effect increases with the increase of the thickness of the ferromagnetic layer and metal layer.
实际钻井结果证明，在研究区采用基于叠前弹性阻抗反演的LMR技术能够有效地识别含水与含气储层。
Actual drilling information shows that LMR technology based on elastic impedance inversion can effectively identify water and gas layers.
阐述了弹性波阻抗反演的基础理论及实现流程，通过对实际资料的反演，分析了其在煤层气储层预测中的应用特点。
The paper states the basic theory and realization flow of elastic impedance inversion, and analyses its features of application in CBM reservoir prediction through the inversion of practical data.
然后，研究在各种EBG结构下，在电源和接地层内侧（即靠近介质层的一侧）增加高磁导率材料涂层对供电系阻抗特性的影响。
Then, we focused on the EMI problem from the power bus structure using both such EBG structures and the magnetic material coating on the power and ground planes.
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