查询词典 electret

Recently, the application study of electret in life science has been proceeding briskly.

近年来，驻极体在生命科学领域的应用研究取得了长足的进展，本文对此进行简要综述。

The Company is mainly engaged in design development, production capacitive electret microphone, wire products.

本公司主要从事设计开发、生产电容式驻极体传声器、线材系列产品。

Employees, of whom 25 were engineers and technicians, can produce more than a dozen species of electret microphone, and gradually become the industry leader in technology, quality, service the best electret microphone specializing in the production of one manufacturer.

现有职工250人，其中工程技术人员25人，能生产十几个品种的驻极体传声器，逐步成为同行业中技术领先、质量过硬、服务最优的驻极体传声器专业生产厂家之一。

Methods: The PP/porous PTFE/PP composite electret film was prepared with porous PTFE,polyethylene and PP by heat melting technique.The charge storage stability of the electret film and transportation were evaluated by using the methods of isothermal surface potential attenuation and open-circuit thermally stimulated discharge current spectra.

利用热融法将多孔PTFE、聚乙烯和PP制备成PP/多孔PTFE/PP复合膜驻极体，利用等效表面电位衰减和开路热刺激放电电流谱方法研究PP/多孔PTFE/PP驻极体的电荷储存稳定性及其输运规律。

Methods: The PP/porous PTFE/PP composite electret film was prepared with porous PTF'E, polyethylene and PP by heat melting technique. The charge storage stability of the electret film and transportation were evaluated by using the methods of isothermal surface potential attenuation and open-circuit thermally stimulated discharge current spectra.

利用热融法将多孔FTFE、聚乙烯和PP制备成PP/多孔PTFE/PP复合膜驻极体，利用等效表面电位衰减和开路热刺激放电电流谱方法研究PP/多孔PTFE/PP驻极体的电荷储存稳定性及其输运规律。

Especially, since the piezo- and pyroelectricity are reported in mechanically non-uniform space charge electret and hybrid piezoelectric electret structure made of "soft" hand "hard" polymer layer is proposed the piezoelectricity of space charge electret containing porous PTFE have become main study field.

尤其是具有非均匀机械特性的空间电荷驻极体中压电性和热电性的发现，及由两层或多层软硬聚合物构成的复合压电驻极体结构概念的提出，使得多孔微纤维PTFE材料更有了用武之地。

According to ecumenic air filtration material appraised quality criterion and the characters of electret air filtration material , this paper discusses the qppraising criterion of the electret air filtration material .

本文从一般空气过滤材料的质量评价指标出发，结合驻极体空气滤材的特点，初步探讨了驻极体空气滤材的质量评价指标。

According to ecumenic air filtration material appraised quality criterion and the characters of electret air filtration material the appraising criterion of the electret air filtration material is discussed .

从一般空气过滤材料的质量评价指标出发，结合驻极体空气滤材的特点，探讨了驻极体空气滤材应有的质量评价指标。

As a professional manufacturer of acoustic components, Wellsonic now supplies Unidirectional Electret Condenser Microphone, Omnidirectional Electret Condenser Microphone, Noise Cancelling Electret Condenser Microphone, Speaker, Receiver, Music Headphones, Phone Headset and Aviation Headset, etc. We can also accept OEM or ODM for our customers.

作为电声产品的专业制造厂商，公司目前提供单指向性驻极体电容传声器、全指向性电容传声器、抗噪声电容传声器、扬声器、受话器、音乐耳机、手机耳机、航空耳机等，我们还能根据客户要求定制多种类型的电声产品。

Compared with the bulk Si3N4/SiO2 composite electret film before planar technology, the effect of the microminiaturization on the charge stability of this kind of electret film is also studied.

借助与未经平面工艺处理的氮氧化硅复合膜大片的对比，研究了这类驻极体功能膜的微型化对其电荷寿命的影响。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。