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- monocharge electret 单电荷驻极体
- 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。
- The special noise cancelling electret or dynamic microphone guarantees clear communications in all conditions. 特殊的噪声消除电容或动圈麦克风保证了各种条件下的清晰通话。
- The film electret has two times high piezoelectricity (d33=31pC/N) than PVDF (d33=1 5pC/N). 使用介电谐振谱测量的双层膜的压电d33系数(31pC/N)是传统的铁电聚合物材料PVDF相应值(15 pC/N)的2倍左右。
- The meltblown nonworen technology,the electret theory and the electret nonwoven are introduced in this paper. 系统介绍了非织造布熔喷工艺、驻极化理论以及驻极体非织造布。
- Conclusion: Negative electret can be used as an enhancer for transdermal permeation of meloxicam. 结论:负极性驻极体可以作为美洛昔康透皮吸收的一个促进因子。
- In this article,physical enhancement especially using electret will be mainly discussed. 本文主要介绍驻极体透皮给药制剂的研究进展及其相关透皮机理。
- The first to create a back-of-the first electret microphones, the quality has reached the international advanced level. 率先制造的背极式驻极体麦克风音头,品质已达到国际先进水平。
- The electret microphone tester is used to test electret microphone's sensitivity and frequency response. 驻极体传声器测试仪是用来测试传声器的灵敏度及频率响应的。
- Objective: To study the influence of electret field on fibroblast cell cycle and to probe its mechanism. 目的:研究驻极体对成纤维细胞生长周期的影响及其调控机制。
- Collins in 1975, is able to determine the total charge and its mean position in one-sided metallized thin polymer electret. Collins于1975年提出;可以测定单面镀金属膜的驻极体的总电荷量以及它的平均位置.
- A kind of modified polypropylene (PP) plastic masterbatch for electret melt-blown nonwovens was prepared by adopting PP with nano-tourmaline. 摘要研制了一种纳米电气石改性驻极体熔喷聚丙烯非织造布母粒,并采用电晕放电法制备出纳米电气石/聚丙烯驻极熔喷非织造布。
- 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。
- It specilizes in manufacture of carious circyle receiver, electret receiver and accessories of various telecommunication product. 专业生产各种动圈受话器、驻极体话筒及多种通信产品配件。
- Factory Glance Shenzhen Guang-star Electronics Co., Ltd. is specializing in the production of electret microphone, speakers, cable businesses. 工厂一览 深圳市广吉星电子有限公司是专业生产驻极体麦克风,喇叭,连接线的企业。
- And the conclusion is that the electret meltblown nonwoven is more efficient filtermedia and can be used in many aspects. 通过数据分析表明驻极体熔喷非织造布是一种高效过滤材料,具有广阔的应用前景。
- Methods: Pharmaceutical method and grid-controlled constant corona charge technique were used to prepare electret meloxicam patch. 方法:利用药剂学方法和栅控恒压电晕充电技术制备驻极体美洛昔康贴剂;
- 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。
- It also gives a safety design problem analysis using an electret capacitor microphone to pick-up the heart sound signals. 该电路涉及到放大、滤波、电平抬升等电路,并给出了安全设计问题,利用驻极体电容传声器来拾取心音信号。
- The electret fiber and the electret nonwoven are manufactured in this experiment,and their properties are analyzed by SEM,DSC and or so. 通过制备驻极体纤维和驻极体熔喷非织造布,并对成品进行电镜分析,并进行力学性能、透气、透湿、过滤性等方面测试。