1) greenhouse multi-points measuring system
温室多点测量系统
1.
Design of greenhouse multi-points measuring system based on SHT11;
基于SHT11的温室多点测量系统设计
2.
The decision of the greenhouse multi-points measuring system is made by taking the character of SHT10 and the demands of modern greenhouse measuring system.
介绍了高集成度的温度湿度传感器SHT10的原理、接口电路和工作时序,结合其特点和现代化温室测量系统的具体需要进行了详细的讨论,确定了温室多点测量系统的设计方案,并进一步从软硬件上设计了适合现代化温室应用的温度、湿度多点测量系统,且编写了PC机终端的数据观测和测量点选择控制的界面,为温室集中管理提供了条件。
2) single/multiple points measuring system
单/多点测量系统
3) multipoint temperature measuring System
多点温度检测系统
4) greenhouse measuring and controlling system
温室测控系统
1.
To solve the disadvantage of the traditional cable greenhouse measuring and controlling system, such as low mobility , difficult installation and maintenance, a wireless greenhouse measuring and controlling system based on nRF2401A is proposed.
针对传统温室有线测控系统移动性差和难以安装维护等缺点,提出了一种基于nRF2401A的无线温室测控系统。
2.
It is an effective method for solving the communication problems of greenhouse measuring and controlling system to utilize wireless sensor network to realize data transmission.
针对当前温室测控系统信息传输技术存在的问题,根据温室环境具体结构特征提出变结构自组织无线传感网络体系物理结构和逻辑结构,并确定了系统通信频率、汇聚节点覆盖半径及传感器节点睡眠时间等组网关键技术参数,构建动态星型的温室测控系统无线传感器网络框架。
5) greenhouse monitoring system
温室监测系统
1.
Design of greenhouse monitoring system based on wireless sensor network;
基于无线传感器网络的温室监测系统设计
2.
To solve the problems of information transmission technology for greenhouse monitoring systems,this paper proposes a model of a greenhouse WSN monitoring system based on ZigBee technology according to practical structural characteristics in modem greenhouses,and introduces the theory of the model and the functional properties of system nodes in detail.
针对当前温室监测系统信息传输技术存在的问题,根据温室环境具体结构特征,,本文提出了一种基于ZigBee技术的温室WSN监测系统模型,详细介绍了系统工作原理和系统节点的功能特征,根据模块化设计的思想,完成了包括数据处理模块、无线通信模块、数据采集模块、电源供应模块和RS-232串口通信模块的硬件设计,采用预留单片机的I/O引脚的方法,将可用的I/O引脚用插针引出,预留出特定的传感器接口,满足温室监测系统多种参数监测的需求。
3.
An implement scheme of greenhouse monitoring system is proposed based on analysis of the characteristics and function advantages of CAN Bus and the realistic status of greenhouse monitoring systems.
利用CAN总线的特点和性能优势,结合温室监测系统的现状,提出基于CAN总线的温室监测系统的实施方案。
6) multipoint temperature measurement
多点温度测量
1.
Aimed at a systemic research on temperature distribution in tank of fermentable liquid and developing a wall temperature measurement transmitter which was demanded by industry such as beer and pharmacy, a new practical multi-point temperature collection system is designed based on self-made multipoint temperature measurement transmitter.
该系统只需将传感器信号引入 ,无需再作其它调整就可完成高精度的多点温度测
补充资料:温室效应和温室气体
分子式:
分子量:
CAS号:
性质:一些微量气体对太阳的短波辐射无阻碍,但对长波辐射有强烈的吸收,若其吸收带落在7~13微米的红外大气窗口内,则吸收的能量将引起大气的增温。温室气体主要有CO2、H2O、CH4、N2O、O3、CFCs等约30余种。当地表因被辐射加热又以红外辐射的形式向空间散发的能量被大气中的温室 气体吸收而使大气增温,产生温室效应。大气中本来就有CO2、H2O等温室气体,但如果温室气体的种类及其含量因人为活动在大气中增加时,温室效应将增加,从而导致地球的平均气温上升,这将造成全球性的危害。
分子量:
CAS号:
性质:一些微量气体对太阳的短波辐射无阻碍,但对长波辐射有强烈的吸收,若其吸收带落在7~13微米的红外大气窗口内,则吸收的能量将引起大气的增温。温室气体主要有CO2、H2O、CH4、N2O、O3、CFCs等约30余种。当地表因被辐射加热又以红外辐射的形式向空间散发的能量被大气中的温室 气体吸收而使大气增温,产生温室效应。大气中本来就有CO2、H2O等温室气体,但如果温室气体的种类及其含量因人为活动在大气中增加时,温室效应将增加,从而导致地球的平均气温上升,这将造成全球性的危害。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条