搜索结果: 1-15 共查到“工学 Greenhouse”相关记录40条 . 查询时间(0.078 秒)
The winners of this year’s MADMEC competition identified a class of materials that could offer a more efficient way to keep greenhouses cool.
After Covid-19 put the materials science competition on p...
New approach suggests path to emissions-free cement MIT researchers find a way to eliminate carbon emissions from cement production — a major global source of greenhouse gases.
Cement Research School of Engineering Materials Science and Engineering DMSE
2019/9/20
It’s well known that the production of cement — the world’s leading construction material — is a major source of greenhouse gas emissions, accounting for about 8 percent of all such releases. If cemen...
POST-HURRICANE DAMAGE ASSESSMENT ON GREENHOUSE FIELDS WITH USE OF SAR DATA
SAR Tornadoes Disaster Management Greenhouses Remote Sensing SENTİ NEL
2018/4/18
Hurricanes occur without any control of human-being, and it causes large scale loss of life and properties. They happen in the very short timeline and cannot be stopped by the people after it starts t...
POST-HURRICANE DAMAGE ASSESSMENT ON GREENHOUSE FIELDS WITH USE OF SAR DATA
SAR Tornadoes Disaster Managemen zGreenhouses Remote Sensing SENTİ NEL
2018/5/8
Hurricanes occur without any control of human-being, and it causes large scale loss of life and properties. They happen in the very short timeline and cannot be stopped by the people after it starts t...
Energy return on investment, energy payback time, and greenhouse gas emissions of coal seam gas (CSG) production in China: a case of the Fanzhuang CSG project
Coal seam gas EROI Energy payback time Greenhouse gas emissions Global warming potential China
2018/4/2
The studies and development of coal seam gas (CSG) have been conducted for more than 30 years in China, but few of China’s CSG projects have achieved large-scale commercial success; faced with the boo...
OBJECT-BASED GREENHOUSE CLASSIFICATION FROM HIGH RESOLUTION SATELLITE IMAGERY:A CASE STUDY ANTALYA-TURKEY
Greenhouse Object-Based Classification High Resolution Imagery Worldview-2
2016/11/23
Pixel-based classification method is widely used with the purpose of detecting land use and land cover with remote sensing technology. Recently, object-based classification methods have begun to be us...
How Effective are U.S. Renewable Energy Subsidies in Cutting Greenhouse Gases?
energy Greenhouse gas (GHG)
2015/9/18
The threat of climate change has inspired
efforts to increase the share of energy produced
from renewable sources such as wind, solar,
and biomass. When fossil fuel is replaced by
renewable energy...
Imagine if every time you filled your car with gas, a few gallons didn’t make it into the tank and instead spilled onto the ground. That’s essentially what happens every day along the aging system of ...
The Use of Greenhouse Gases as Climate Proxy Data in Interpreting Climatic Variability
Greenhouse Gases Proxy Data Global Warming
2013/2/27
Greenhouse gas data were utilized as proxy data in interpreting climate variability. These greenhouse gases were related to temperature records using standard deviation (SD) as the transfer function b...
The Effect of Catena Position on Greenhouse Gas Emissions from Dambo Located Termite (Odontotermes transvaalensis) Mounds from Central Zimbabwe
Greenhouse Gas Emissions Termites Mounds
2013/2/27
Methane (CH4), carbon dioxide (CO2) and nitrous oxide (N2)O) are greenhouse gases (GHGs) which cause global warming. Natural sources of GHGs include wetlands and termites. Previous studies have quanti...
Residue Placement and Rate, Crop Species, and Nitrogen Fertilization Effects on Soil Greenhouse Gas Emissions
Greenhouse Gases Residue Management Nitrogen Fertilization Crop Species Spatial Variability
2013/3/11
High variability due to soil heterogeneity and climatic conditions challenge measurement of greenhouse gas (GHG) emissions as influenced by management practices in the field. To reduce this variabilit...
Biodrying under Greenhouse Conditions as Pretreatment for Horticultural Waste
Solid Waste Aerobic Degradation Stabilization Greenhouse
2013/3/11
The biodrying process was studied as an alternative technology to reduce the mass and volume of horticultural waste. Four static piles were prepared inside a greenhouse: two containing whole waste and...
Robust Resource Management Control for CO2 Emission and Reduction of Greenhouse Effect: Stochastic Game Approach
CO2 Emission System Dynamic Game Theory Greenhouse Effect LMI Resource Management Control Robust Tracking Control T-S Fuzzy Model
2013/3/13
With the increasingly severe global warming, investments in clean technology, reforestation and political action have been studied to reduce CO2 emission. In this study, a nonlinear stochastic model i...
基于时序分析法的温室温度预测模型（Forecast Model of Greenhouse Temperature Based on Time Series Method）
温室 温度 时间序列
2010/12/29
针对现有温室环境控制系统无法对下一时段温室温度进行精确预测的问题，提出采用时序分析法建立温度预测模型的方法。以圆拱型连栋薄膜温室2001年6月6日~2002年9月16日间的温度为例，首先对温度序列进行一阶年度差分处理来实现序列的平稳化；然后根据一阶年度差分序列自相关系数和偏相关系数的特点，提出采用ARMA（p，q）模型来拟合温室温度；最后根据方差估计和误差平方和最小的原则，确定了一个ARMA（4，...
基于无线传感器网络的温室环境信息监测系统（Greenhouse Monitoring System Based on Wireless Sensor Networks）
温室 监测系统 无线传感器网络
2010/12/29
为了解决当前温室监测系统存在的布线复杂、节点功耗大、部署不灵活、管理不便等问题，设计了一种基于无线传感器网络的温室环境信息监测系统。以CC2430为核心开发无线传感器节点，完成温室环境因子实时监测；采用ZigBee技术实现无线传感器网络自组网和监测数据自动汇聚；基于ARM9微处理器S3C2410A和WinCE5.0构建网关节点，采用嵌入式数据库管理模式实现了传感器节点管理、环境数据管理和预警等功能...