其气敏机理应是表面控制型。
The mechanism has been recognized to be surface-control type.
半导体氢敏传感器是一种新型气敏元件。
Semiconductor Hydrogen Sensor is a new type of gas-sensitive element.
WO3薄膜是良好的光学气敏传感器材料。
阐述了半导体气敏材料的气敏作用及机理；
The gas sensing mechanisms of metal oxide gas sensors are described.
展望了今后半导体气敏传感器技术的发展趋向。
The technology development trends of metal oxide gas sensors are also discussed.
气体检测的关键结构单元是气敏元件和气体传感器。
The key construction unit to gas inspection is sensitive element for gas and gas transducer.
本文试图对半导体陶瓷气敏元件的敏感机理提出理论模型。
A theoretical model is introduced to explain the basic mechanism of semiconductive ceramics gas sensors.
本文研究由气敏阵列与人工神经网络构成的智能嗅觉系统。
An intelligent olfactory system composed of gas sensor array and artificial neural network is researched in this paper.
本文提出一种提高半导体电阻式气敏元件选择性的新方法。
A new approach to improve the selectivity of semiconductor gas sensors is put forth.
可利用空气中电阻温度特性提供的信息改性或发现新的气敏材料。
The information provided by the temperature properties of resistance in the air can be used to modify and explore new gas sensitive materials.
厚薄膜技术已广泛用于制作气体传感器，在气敏技术中起重要作用。
Thick film and thin film techniques play an important role in gas sensing techniques, which have been widely used in manufacturing the sensors.
气敏传感器已在生物、化学、航空、军事等领域获得了广泛的应用。
Gas sensors have been extensively developed in biology, chemistry, aeronautics, military affairs.
研究结果对于MOS结构的半导体气敏传感器的研制具有重要的意义。
The investigated results are very important for the research and fabrication of the MOS structure gas sensors.
本文介绍了电化学co传感器气敏电极催化活性降低的原因及其改善措施。
The cause that induces low catalytic activity of gas-sensitive electrode of electrochemical CO sensors and its improvement measures have been presented in this paper.
对影响气敏传感器性能漂移的两个主要因素温度和湿度进行了在线式补偿。
On-line compensation about temperature and humidity as two main factors can resolve the drift of sensor to a great extent.
测试结果表明，该气敏传感器具有良好的选择性、稳定性和校高的灵敏度。
Measurement results show that the gas sensor exhibits good selectivity, long-term stability and higher sensitivity.
文章认为材料的气敏性因铁空位而产生，并随铁空位浓度增加灵敏度上升。
The gas sensitivity can be improved by the increment of the ferric vacancy concentration.
因此，可以通过掺杂碱性金属氧化物提高乙醇气敏元件的灵敏度和选择性。
In the light of the research above, the conclusion that doping basic metal oxide can improve the sensitivity and selectivity to alcohol can be drew.
为了筛选性能优良的酞菁类气敏性材料，设计合成了可溶性的八异戊氧基酞菁铅。
Octa-iso-pentyloxyphthalocyanine lead with high solubility was designed and synthesized to choose good characteristic phthalocyanine gas sensing material.
一种利用闭环控制电路抑制气敏元件零点漂移的设计思想、原理框图及实验结果。
The design idea, principle scheme and executive result for restricting zero drift of gas sensors by means of closed loop control circuit are reported.
模仿生物嗅觉系统，由气敏传感器阵列结合神经网络模式识别技术构成了仿生鼻。
Imitating the biological olfactory system, a bionic nose system was constructed, which consists of gas sensor array and pattern recognition system of neural network.
以它为基体材料制备乙醇气敏元件，对其电阻随乙醇气浓度变化的特性进行了讨论。
It is also discussed that the characteristics of the change of resistance of the ethanol gas sensor based on this material with the change of the concentration of the ethanol gas.
氧化锌是一种用途十分广泛的功能材料，已被用于气敏、压敏、催化、抗菌等重要领域。
Zinc Oxide (ZnO) is a multi-functional material, which has been widely applied in gas sensors, varistors, catalysts and anti-bacterial materials.
克服了目前气敏传感器人工操作测试带来的效率低、误差大、操作人员长时间工作等问题。
Overcomes the present gas sensor manual control test to bring the efficiency lowly, the error big, the operator operating time long and so on the questions.
本文从改变材料、结构、工作原理三个方面论述了提高乙醇气敏传感器性能的途径及效果。
This paper introduces three ways to improve ethanol gas sensor's performance: Changing material, structure and work principle.
本文介绍离子注入技术对气敏材料表面层组分、结构、电导率及气敏特性进行改性的研究进展。
In this paper we introduce the researches on ion implantation. modification of surface layer composition, construction, conductivity and gas sensitive characterization of gas sensitive materials.
主要讨论薄膜气敏元件加热电阻的设计及功耗的计算，同时也讨论加热电阻材料必须具备的条件。
The design of the heating resistance used in thin film gas sensitive devices and power loss of the resistors are discussed in this paper.
碳纳米管膜对乙醇气体和氨气具有较强的气敏性质，室温下，其灵敏度分别可达28%和70%。
The CNT films are rather sensitive to ethanol and ammonia gas, the sensitivities can reach 28% and 70% in room temperature, respectively.
提出了一种能改善气敏元件性能的新型取样电路，并对取样电路的特性作了理论分析和实验对比。
A new sample circuit is proposed in this paper to improve the properties of gas sensor, and the properties of sample circuits are analysed theoretically and compared experimentally.
提出了一种能改善气敏元件性能的新型取样电路，并对取样电路的特性作了理论分析和实验对比。
A new sample circuit is proposed in this paper to improve the properties of gas sensor, and the properties of sample circuits are analysed theoretically and compared experimentally.
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