The greenhouse temperature
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A Study on Lowering the Greenhouse Temperature by Spraying the Water on the Film Underneath the Glass Roof
温室喷雾-水膜降温系统研究
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Temperature on damage to young fruit than flower for flat peach cultured in greenhouse , can result in fruit drop ; the greenhouse temperature should be controlled below 25 ℃ in the period of flowering and young fruit .
低温对设施栽培玉露蟠桃幼果的造成伤害大于花期,可直接导致落果;花期及幼果期大棚内温度须控制在25℃以下。
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In addition , the greenhouse environment temperature model is built by using artificial neural networks method .
此外,本文利用人工神经网络对温室环境温度进行建模。
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Light rotation film can raise the greenhouse 's temperature , enhance the photosynthetic efficiency , and accelerate the crops growth .
转光膜能能提高棚温、增强光合速率,促进作物生长。
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Examines in the greenhouse using temperature and humidity sensor and the data acquisition card and the humidity parameter , has realized empirical datum automatic gathering .
利用温湿度传感器和数据采集卡检测温室内温度和湿度参数,实现了实验数据的自动采集。
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Analysis on the Relationship of the Greenhouse Temperature and the Growth , Production of the Tomato
温室温度与番茄生长、生产关系的分析
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Based on the analysis of the greenhouse temperature physical dynamics , a greenhouse temperature control model is obtained .
在对温室温度机理模型分析的基础上,得到了温室温度控制模型。
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This topic belongs to the interdisciplinary studies , proposed based on the virtual instrument greenhouse temperature and humidity fuzzy decoupling supervisory system , the synthesis has utilized multi-disciplinary new knowledge and achievement .
本课题属于交叉学科,所提出的基于虚拟仪器的温室温湿度模糊解耦监控系统,综合运用了多学科的新知识、新成果。
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The greenhouse location , solar radiation transmission into the greenhouse , the temperature distribution and gas flow in greenhouse and the space utility should all be taken into account for building a greenhouse .
在建造温室时,温室玻璃顶部倾斜角的选取,应综合考虑环境地理因素、太阳辐射透射到温室内部透射率、温室内气流和温度分布、温室空间的有效利用等因素。
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It attains the aim of the automatic control in the greenhouse through gathering the temperature , the humidity , the intensity of illumination and the soil moisture and adjusting the above parameter automatically ?
它通过对温室内的温度、湿度、光照、土壤湿度等参量的采集,并根据上述参数实现对温度、湿度、光照、土壤湿度等参数的自动调节,达到了温室大棚自动控制的目的。
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The modeling of greenhouse climate is the key to the control of greenhouse temperature .
温室温度的建模是实现温室控制的关键。
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The front data acquisition module is mainly responsible for the collection on the the greenhouse ambient temperature , soil moisture , carbon dioxide concentration and light intensity and other environmental parameters using a variety of sensors , real-time processing environmental parameters and soil temperature collected by the microcontroller .
前端数据采集模块主要采用多种传感器负责对大棚内的环境温度,土壤湿度,二氧化碳浓度和光照强度等环境参数的采集,由单片机实时处理采集的环境参数和土壤湿度。
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Using the cold underground water to make up the nutrient solution in the tank , or reducing the greenhouse temperature in summer .
夏天采用低温的地下水配制贮液池中营养液,或降低温室(大棚)的气温。
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The main thermo-dynamical processes related to greenhouse climate are analyzed systemically , and the control of the greenhouse temperature is achieved with hot water .
本文系统分析了温室环境中的主要热力学过程,用热水加热实现对温室温度的控制。
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The surface of transparent covering materials with low heat resistance is the main channel for heat transfer and it affected the greenhouse inner light and temperature to a great extent .
透光覆盖材料热阻较小是温室热量进出的主要通道,在很大程度上影响着室内的光温环境。
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In the practical production , it suggests that the control of temperature can use double plastic film covered greenhouse . This method can improve the greenhouse temperature , and reduce the cost .
在实际生产中应用,建议在控制大棚土壤温度时可使用双层塑料膜将大棚整体覆盖住,此方法不仅可以达到提升大棚土壤的温度效果,还可以降低生产成本。
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This paper considers steam pipe as the modeling object , the temperature object is analyzed by using the principium method when the heating system is used in the greenhouse , and the models of greenhouse temperature and steam pipe temperature are set up .
该文以蒸汽管道为对象,采用机理分析法对温室加温时的温度对象进行分析,得到室内温度模型和蒸汽管道模型。