搜索结果: 1-14 共查到“仪器科学与技术 Gas”相关记录14条 . 查询时间(0.143 秒)
Gas Gain Measurements from a Negative Ion TPC X-ray Polarimeter
X-ray polarimetry negative ion time projection chamber x-ray detectors
2011/8/17
Abstract: Gas-based time projection chambers (TPCs) have been shown to be highly sensitive X-ray polarimeters having excellent quantum efficiency while at the same time achieving large modulation fact...
Titanium Dioxide-Based 64∘ YX LiNbO3 Surface Acoustic Wave Hydrogen Gas Sensors
Titanium Dioxide-Based 64∘ YX LiNbO3 Surface Acoustic Wave Hydrogen Gas Sensors
2009/9/7
Amorphous titanium dioxide (TiO2) and gold (Au) doped TiO2-based surface acoustic wave (SAW) sensors have been investigated as hydrogen gas detectors. The nanocrystal-doped TiO2 films were synthesized...
Gas Chromatography Data Classification Based on Complex Coefficients of an Autoregressive Model
Gas Chromatography Data Classification Complex Coefficients Autoregressive Model
2009/9/7
This paper introduces autoregressive (AR) modeling as a novel method to classify outputs from gas chromatography (GC). The inverse Fourier transformation was applied to the original sensor data, and t...
A Robust and Low-Complexity Gas Recognition Technique for On-Chip Tin-Oxide Gas Sensor Array
Robust Low-Complexity Gas Recognition Technique On-Chip Tin-Oxide Gas Sensor Array
2009/9/7
Gas recognition is a new emerging research area with many civil, military, and industrial applications. The success of any gas recognition system depends on its computational complexity and its robust...
Surface Modification of Carbon Nanotube Networked Films with Au Nanoclusters for Enhanced NO2 Gas Sensing Applications
Carbon Nanotube Networked Films Au Nanoclusters NO2 Gas Sensing
2009/9/7
Multiwalled carbon nanotube (MWCNT) films have been deposited by using plasma-enhanced chemical vapor deposition (PECVD) system onto alumina substrates, provided with 6 nm thick cobalt (Co) grow...
Carbon Nanotubes as Active Components for Gas Sensors
Carbon Nanotubes Active Components Gas Sensors
2009/9/4
The unique structure of carbon nanotubes endows them with fantastic physical and chemical characteristics. Carbon nanotubes have been widely studied due to their potential applications in many fields ...
Optimized Feature Extraction for Temperature-Modulated Gas Sensors
Optimized Feature Extraction Temperature-Modulated Gas Sensors
2009/9/4
One of the most serious limitations to the practical utilization of solid-state gas sensors is the drift of their signal. Even if drift is rooted in the chemical and physical processes occurring in th...
This paper presents a review of the current research activities in the field of gas nanosensors. Nanomaterials are characterized by physical and chemical properties that differ from their macroscopic ...
Receptor Function and Response of Semiconductor Gas Sensor
Receptor Function Response Semiconductor Gas Sensor
2009/9/4
Theoretical approaches to receptor function and response of semiconductor gas sensor are described, following the illustrations of some relevant key issues such as tunneling transport. Depletion in sm...
On the Low-Temperature Response of Semiconductor Gas Sensors
Low-Temperature Response Semiconductor Gas Sensors
2009/9/4
The present paper compares three different kinds of semiconductor gas sensing materials: metal oxides (MOX), hydrogen-terminated diamond (HD), and hydrogenated amorphous silicon (a-Si:H). Whereas in M...
Shrinkage Effects of the Conduction Zone in the Electrical Properties of Metal Oxide Nanocrystals: The Basis for Room Temperature Conductometric Gas Sensor
Shrinkage Effects Metal Oxide Nanocrystals Room Temperature Conductometric Gas Sensor
2009/9/4
The influence of charge localized at the surface of minute metal oxide nanocrystals was studied in WO3 and In2O3 nanostructures, which were obtained replicating mesoporous silica templates. Here, it i...
Gas sensors have attracted intensive research interest due to the demand of sensitive, fast response, and stable sensors for industry, environmental monitoring, biomedicine, and so forth. The developm...
Fabrication of TiO2 Nanotube Thin Films and Their Gas Sensing Properties
Fabrication TiO2 Nanotube Thin Films Gas Sensing Properties
2009/9/4
The fabrication process and the growth mechanism of titanium/titania nanotubes prepared by anodization process is reviewed, and their applications in the fields of dye sensitized solar cells, photocat...
Development of a Nitrogen Dioxide Gas Sensor Based on Mid-Infrared Absorption Spectroscopy
Fiber laser Difference-frequency generation Laser spectroscopy
2009/6/9
We demonstrated a mid-IR optical NO2 monitor based on a frequency-stabilized, Yb-fiber laser pumped difference frequency generation (DFG) in a periodically poled lithium niobate (PPLN) crystal. A high...