electret
n. 驻极体;电介体
2025-11-23 19:31 浏览次数 13
n. 驻极体;电介体
1. a dielectric body in which a permanent state of electric polarization has been set up
electret elements驻极体元件
electret microphone驻极体麦克风
thermal electret热驻极体
manual electret人工驻极体
electret micromotors驻极体微电机
electret mike驻极体传声器
monocharge electret[电子]
Electret collector驻极体收集
polymer electret[高分子]
this article approaches the problems of surface of electret films, i. e. defect states and absorbed states on the surface of an electret affecting its properties.
探讨了驻极体薄膜的表面缺陷态和表面吸附态如何影响驻极体的性能问题。
this paper discussed the circuit model of a electret microphone and the conventional microphone preamplifiers.
分析了驻极体传声器的电路模型及其传统的前置放大电路。
with the environment quality being required more and more, multiple attentions were paid to the studying on filter material of electret nonwovens.
随着人们对环境质量的要求越来越高,驻极体非织造布过滤材料的研究倍受关注。
theoretical evaluation and simulation experiments show that the improved bp neural network can effectively detect the image feature of electret condenser microphone.
理论分析和实验均表明该算法能实时有效地检测出驻极体麦克图像的特性。
to get better filtration fabrics applicated in the split type air-conditioner to decrease indoor inhalable particulate matter, a new electret filtration fabric is introduced.
为了得到更好的过滤材料以用在分体式空调机上,从而减少室内可吸入颗粒物的浓度,本文介绍了一种新型熔喷驻极体过滤材料。
in this paper, the formulas of hopping current in polymer and polymer electret are derived.
推导了聚合物和聚合物驻极体中的跳跃电流公式。
the electret microphone is a new microphone which is made with the electret material.
驻极体传声器是一种用驻极体材料制造的新型传声器。
the principle of electret condenser microphone and its noise are analyzed in the paper. it will be helpful to improve the electric specification.
本文对驻极体电容传声器的原理及噪声作了分析,这将有助于提高它的电特性。
our study results point out that compared with pp cellular film electret, voided ptfe electret has outstanding temperature stability for both charge storage and piezoelectric activity.
研究结果指出:和pp蜂窝膜驻极体相比,ptfe多孔膜驻极体呈现出突出的电荷储存和压电活性的温度稳定性;
a finite element approach, so called electrostatic-field analysis has been developed by ansys and apdl to solve the problem of the force of electret micromotor's rotor.
为了对驻极体微电机的转子进行静电场的受力分析,利用ansys软件及它的编程语言apdl实现了静电场的有限元分析。
polypropylene electret shows good curative effect for chilblain, arthritis and furuncle.
高聚物驻极体用于临床治疗冻疮、关节酸痛和疖子有较好的疗效。
electret air filter material has superior filter performance, so it is considered as ideal filter material for coal-dust stained yarn.
驻极体空气过滤材料具有优良的过滤性能,是治理「煤灰纱」的理想过滤材料。
an open—circuit tsc method is used to analyse the mechanism of the injected charge decay of electret material used in electroacoustic devices in this paper.
本文运用开路热刺激电流等手段,对电声器件中运用的驻极体材料的注入电荷衰减机制进行了分析。
this paper presents the methods for the heart sound acquisition used electret microphone, including the heart sound extraction project, principle, rules and the impedance conversion of microphone.
详细介绍了驻极体传声器在心音信号采集中的方法,包括心音信号提取的方案、原理、规则及传声器的阻抗变换问题。
the results show that the charge storage stability of film electret increases remarkably in high humidity surroundings after chemical surface modification.
实验结果表明,经过化学表面修正后,驻极体薄膜在高湿环境中的电荷储存稳定性显着提高;
the animals were divided into scalding group and electret treatment group.
动物分烫伤组和驻极体治疗组。
objective: to investigate the effect of ultraviolet radiation on the stability of electret storing electric charge.
目的:研究紫外消毒对驻极体电荷储存稳定性的影响。
icon uses an algorithm that digitally fuses together the best audio from its two electret microphones and its patented voice activity sensor to create a single, natural sounding speech signal.
图标使用了一个算法,数字融合了来自两个驻极体麦克风和声音传感器专利的最佳音频创建一个单独的,自然的声音的语音信号。
the electrical characteristics in preparation process of corona charged polypropylene electret are discussed.
本文对电晕带电的聚丙烯驻极体制作中的电特性作了研究。
the higher the surface voltage, the greater the effect of bacteriostasis or bactericidal action of electret on staphylococci aureus.
驻极体的表面电位越高,对金黄色葡萄球菌的抑菌效果越好。
sd rats were divided into 3 groups: control, scald and electret group.
将大鼠分成对照组、烫伤组和驻极体实验组。
finally the performance of the electret microphone tester is described.
最后简要介绍了该驻极体传声器测试仪所达到的性能指标。
electret filtration material is a kind of promising new air filtration material due to the advantages of high filtration efficiency, low flow resistance, power saving and anti-bacteria.
驻极体过滤材料具有高效、低阻、节能、抗菌等优点,是一类非常有应用前景的新型空气过滤材料。
the result shows the drum filter adopting the electret filtration fabric can purify the particles in the air effectively and eliminate the foggy yarn in the spinning department(availably).
结果表明,采用驻极体过滤材料的鼓式过滤器能对环境空气中的颗粒物进行有效过滤,防治纺织企业「煤灰纱」的效果良好。
classical electret motors(em), was not be used in fact extensively because of its very small output torque, so it could not exert his superiority in micro domain.
经典驻极体电动机,由于输出力矩非常小,在宏观领域很难发挥自身的优势。
objective: to study the influence of electret on surface charge of fibroblast cells (3t3 cells) and to probe the relationship between cell growth, apoptosis and cell surface charge.
目的:研究驻极体对成纤维细胞表面电荷的影响及其细胞表面电荷与细胞生长、细胞凋亡的关系。