microelectroporation是什么意思

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用法例句

Using transfer matrix method to analyze microperforated panel absorber s acoustic characteristic;

用传递矩阵法分析微穿孔板的声学特性

The possibility and the significance of replacing fibred absorption materials by fibreless materials,especially by microperforated panels,are discussed.

简要地介绍了吸声材料的基本特点，阐述了无纤维性吸声材料（特别是微穿孔板吸声结构）取代传统的纤维性吸声材料的可能性及其重要意义，较详细地介绍了近年来德国以及我国科研人员在无纤维吸声材料研究上所取得的进展。

A calculating program of microperforated panel construction is worked out in this paper.

文中编制了微穿孔板结构的数值分析程序，通过计算实例，对微穿孔板结构的声学特性进行了探讨。

Based on theory about micro perforated panel,a micro perforated panel muffler was developed to meet the requirement of the pneumatic motor in roofbolter.

在微穿孔板消声理论的基础上 ,根据气动马达消声器的实际需要设计了一种微穿孔板消声器 ,并通过实验对这种消声器的消声特性和流阻进行了研究。

In this paper, based on Maa's theory, the theory of micro perforated panel(MPP) absorber is summarized, a comparison between the calculated result and the testing result for intermediate and lower frequency standing wave tubes is made.

微穿孔板吸声结构具有吸声系数高、吸收频带宽等优点 ,广泛应用于噪声控制的各个领域 根据马大猷的微穿孔吸声理论 ,总结了微穿孔板吸声结构的吸声原理 ,并用基于此理论的计算结果与在低频、中频驻波管中实验的结果进行对比 ,得到了比较满意的结果 采用微穿孔板吸声结构 ,进行汽车发动机隔声降噪模拟实验 ,结果表明 ,微穿孔板吸声结构具有良好的降噪功能 微穿孔板吸声结构的吸声性能的初步研究 ,为微穿孔板吸声结构在工程中的应用提供了依

On the basis of the general theory of microperforated-panel absorber, numeric analysis program is designed in structural design of microperforated-panel.

根据微穿孔板吸声体的准确理论,基于VC++6。

Design and noise reduction of elevated road barrier of micro-perforated panels with linear-change cavity;

高架道路渐变空腔微穿孔声屏障的设计和降噪

Due to the excellent feature of micro-perforated panel structure in noise control,the micro-perforated panel structure has drawn much attention.

微穿孔板共振吸声结构在噪声控制上有着优异的表现,受到广大科研人员的关注。

In order to solve this problem,the transfer matrix method is adopted to analysis of micro-perforated panel absorber\'s acoustic structure.

传统的声电类比法对双层微穿孔板吸声结构进行计算时,忽略了空腔声质量的影响,对于空腔距离比较短,频率比较低时是适用的,但是当空腔距离比较大或频率比较高时,则存在误差。

Based on the accurate theory of the micro-perforated panel absorber,this paper presents one kind of approximate arithmetic for micro-perforated absorber with variational cavity.

基于马大猷教授提出的"微穿孔板吸声体精确理论",针对带变厚度空腔的微穿孔板吸声体,提出了一种理论近似算法。

Design and Research on the Transparent Absorbing Structure of Microperfrated Panel;

通透微穿孔板吸声结构的设计及研究

The Influence of Pore's Media on Sound Absorption Characteristics of Thick Microperforated Panel

孔中介质对厚微穿孔板吸声性能的影响

Rudimentary Researches on the Acoustic Characteristics of Microperforated Panel Absorbers with Alterable Air-Cavity;

不等腔微穿孔板组合吸声结构的吸声特性初探

The Computer Simulation Analysis of Micro Perforated Panel Spacial Absorbers (Rectangular Pyramid)

微穿孔板空间吸声体（四棱锥）的计算机仿真分析

The research of perforated plate sound absorption in the flow

气流条件下微穿孔板结构吸声特性研究

Acoustics Software Development of Micro-perforated Panel Absorber Based on AML

基于AML的微穿孔板吸声体的声学软件开发

Improvement of the transfer matrix calculation method for micro-perforated plate absorption structure and experiments

微穿孔板传递矩阵计算方法的改进及实验

Study on Acoustic Characteristic of Double Layer Micro-perforated Panel Absorber at High Temperature

高温下双层串联微穿孔板结构声学特性研究

The Computer Simulation Analysis of Micro Perforated Panel Absorbers and Parallel Structures;

微穿孔板吸声结构及其并联结构的计算机模拟分析

A Kind of Approximate Arithmetic for Micro-perforated Panel Absorber with Variational Cavity

单层变腔深微穿孔板吸声体的一种理论近似算法

Could you tell me the price different between micro via PCB and through hole via PCB?

你能告诉我微过孔电路板与穿透式过孔电路板价钱的差别吗?

TEST AND THEORETICAL RESEARCH ON BEARING CAPACITY OF MICROPUNCHED COMPOUND SANDWICH PLATE

微穿孔复合夹芯板承载力试验及理论研究

Microstructure near the penetrated hole in an experimental penetration target and analysis of penetrating process

穿甲靶板弹孔微观结构观察及侵彻过程分析

This board bores easily.

这块木板易於穿孔。

INFLUENCE OF HOLE POSITION ON BENDING RIGIDITY OF UD-LAMINATE

穿孔位置对单向层板弯曲刚度的影响

Stamp-tax, press the flower, engraving and bore hole the series ceiling.

印花、压花、浮雕、穿孔系列天花板。

The Mode Analysis and Position Selection of Perforated Panel Absorber

穿孔板吸声结构模态分析及位置选择

not punched card of paper or paperboard[fur punch card machines, whether or not in strips]

未穿孔卡纸或纸板卡片[用于穿孔卡片机,无庥是否条形]