搜索结果: 1-15 共查到“工学 humidity”相关记录25条 . 查询时间(0.063 秒)
ESTIMATION OF ATMOSPHERIC TEMPERATURE AND HUMIDITY PROFILES FROM MODIS AND RADIOSOND DATA USING ARTIFICIAL NEURAL NETWORK
Neural Network Humidity Temperature Linear Regression Radiosond
2015/12/30
The aim of this study is to test the quality of the neural network for retrieving the temperature and humidity by comparison with the radiosond values and a linear regression method. Remote sensed ima...
Polyvinyl alcohol–coated hybrid fiber grating for relative humidity sensing
fiber Bragg grating tilted-fiber Bragg grating humidity sensing polyvinyl alcohol
2013/5/27
A relative humidity (RH) sensor based on a hybrid fiber grating coated with polyvinyl alcohol is proposed and demonstrated experimentally. The hybrid fiber grating is formed by superimposing a normal ...
Humidity-Induced Spectral Shift in a Cross-Dispersion Echelle Spectrometer and Its Theoretical Investigation
Emission spectrometry Position shift of a spectral line Spectral-shift equation
2011/4/28
The relationship between ambient relative humidity H and the position shift of a spectral line was investigated both experimentally and theoretically. An echelle-based ICP emission spectrometer equip...
Hygroscopicity of Inorganic Aerosols: Size and Relative Humidity Effects on the Growth Factor
H-TDMA Hygroscopicity Inorganic aerosols Size-effect Iso-GF
2016/3/29
The hygroscopic properties of inorganic salt particles, including (NH4)2SO4, NaCl, Na2SO4 and NaNO3, are investigated
using a self-assembled hygroscopic tandem differential mobility analyzer (H-TDMA)...
PM10, Ambient Temperature and Relative Humidity during the XXIX Summer Olympic Games in Beijing: Were the Athletes at Risk?
Olympic Games Air pollution Particulate matter Exercise Sport
2016/3/29
Research into exercise and particulate air quality demonstrated that increased physical activity and the related increase
in minute ventilation are decisive factors enhancing the effect of polluted a...
根据温室内水气收支平衡关系，建立了与室内外气象参数、温室结构、作物生长状况、土壤潮湿程度等有关条件下的温室湿度动态预测模型。同时定量描述了温室内作物蒸腾、土壤蒸发、壁面凝结、自然通风和机械通风等与湿度变化相关的各种物理过程。基于华北塑料连栋温室对所建模型进行了试验验证。结果表明：模型能较好预测温室内空气相对湿度值，预测值和实测值之间的均方根误差为5.9%。
果脯隧道式干燥机温湿度监控系统设计与试验（Monitoring and Controlling System of Temperature and Humidity for Tunnel-type Dryer）
隧道式干燥机 果脯 监控 系统设计 组态软件 试验
2010/5/5
设计了果脯隧道式干燥机多段温湿度监控系统。系统以可编程控制器与工控机为控制中心，基于组态软件的二次开发，对隧道式干燥机多段变温变湿干燥过程的温度、湿度和干燥时间进行实时监控和集中管理。运行试验表明，该系统实现了温湿度的参数设置、实时动画显示、趋势曲线、数据库查询、报表输出打印等功能，温度控制精度为2℃，相对湿度控制精度达到8%。 The temperature and humidity monit...
Effect of Relative Humidity during Storage on the Autoxidation of Linoleic Acid Encapsulated with a Polysaccharide by Hot-Air-Drying and Freeze-Drying
autoxidation encapsulation linoleic acid
2009/6/18
Linoleic acid was encapsulated with gum arabic, maltodextrin and pullulan at different weight ratios by hot-air-drying and freeze-drying. The autoxidation processes of the encapsulated linoleic acid w...
预冷库温湿度控制与热工响应试验（Experiment on the Control of Temperature and Humidity and Thermal Response for Pre-cooling Cold Storage）
预冷库 降温模式 送风方式
2010/4/1
对预冷库变频降温与全频降温两种温湿度控制模式进行了试验研究，发现变频降温到目标温度所需时间较长，但降温过程平稳，波幅小。研究了气流分布装置对库内温度场的影响，发现孔板均流方式对库内温度场的影响优于传统的单一风机送风、一拖二和夹套送风方式；对库门开启对库内热环境的冲击进行了分析，并提出了预防措施。 Full-frequency drop in temperature and conversion d...
Optical humidity sensing behaviour of sol–gel processed nanostructured ZnO films
humidity sensors optical fiber
2011/5/10
This paper reports the humidity sensing behaviour of sol–gel processed ZnO films deposited on U-shaped borosilicate rods as substitute of optical fiber having the same radius of curvature. The films p...
Variation in Moisture Content of Sugi Boxed Heart Timber in Miyazaki Prefecture during Kiln Drying under High Temperature and Low Humidity II
sugi kiln-dry high temperature moisture content internal check
2009/3/6
Sugi (Cryptomeria japonica D. Don) boxed heart timbers from Miyazaki prefecture were kiln-dried at low humidity under two high-temperature conditions. The distribution of moisture content, changes in...
Effect of Changes in the Moisture Content due to Surrounding Relative Humidity on the Contact Stress in Traditional Mortise and Tenon Joints III
compressed sugi komisen hozo-komisen mortise and tenon change of humidity
2009/3/6
This research is focused on evaluating the efficiency and failure mechanism of joints using a komisen (Japanese traditional square key) of compressed sugi (Japanese ceder ;Cryptomeria japonica D. Don)...
Effect of Changes in the Moisture Content due to Surrounding Relative Humidity on the Contact Stress in Traditional Mortise and Tenon Joints II.
komisen compressed wood contact stress mortise and tenon joint
2009/3/6
This research is a continuation of part 11), and focuses on studying the effect of cyclic humidity changes. It also evaluates the anti-relaxation effect by deformation recovery of the komisen(wooden ...
Effect of Changes in the Moisture Content due to Surrounding Relative Humidity on the Contact Stress in Traditional Mortise and Tenon Joints I.
komisen mortise and tenon contact stress compressed sugi
2009/3/6
To understand the stress transmission mechanism in the traditional timber joint, focus was aimed on the contact stress which occurs at the contact surface of mortise and tenon joints. More precisely, ...
Changes of Indoor Humidity in Various Living Spaces
log house wooden house reinforced concrete building various living spaces indoor nighttime humidity
2009/3/6
The changes in temperature and humidity in various living spaces were observed for about one year. As the windows and doors in any living spaces were mostly closed from 9 : 00 p.m. to 6 : 00 a.m., nig...