Cognitive Considerations Visual Considerations Physical Considerations Environmental and Social Issues The Purpose of the Interface About Guidelines
标签： Considerations Environmental Cognitive Physical
上传时间： 2013-12-19
上传用户：yangbo69
WIRELESS SENSOR NETWORKS Environmental Sensor Application of Rain Collector II with CrossBow Technology
标签： Environmental Application Collector WIRELESS
上传时间： 2014-01-27
上传用户：稀世之宝039
Environmental Engineering Dictionary and Directory
标签： Environmental Engineering Dictionary Directory
上传时间： 2017-05-15
上传用户：netwolf
The STM32F10xxx microcontroller family embeds up to three advanced 12-bit ADCs (depending on the device) with a conversion time down to 1 μs. A self-calibration feature is provided to enhance ADC accuracy versus Environmental condition changes.
上传时间： 2014-12-23
上传用户：eastimage
Although recent popular attention is focused on LithiumIon batteries, one must not forget that other batterychemistries, such as Nickel Cadmium (NiCd) and NickelMetal Hydride (NiMH) have advantages in rechargeablepower systems. Nickel-based batteries are robust, capableof high discharge rates, have good cycle life, do notrequire special protection circuitry and are less expensivethan Li-Ion. Among the two, NiMH batteries are rapidlyreplacing NiCd because of their higher capacity (40% to50% more) and the Environmental concerns of the toxiccadmium contained in NiCd batteries.
上传时间： 2013-11-04
上传用户：qq10538412
As Environmental concerns over traditional lighting increaseand the price of LEDs decreases, high power LEDsare fast becoming a popular lighting solution for offl ineapplications. In order to meet the requirements of offl inelighting—such as high power factor, high effi ciency, isolationand TRIAC dimmer compatibility—prior LED driversused many external discrete components, resulting incumbersome solutions. The LT®3799 solves complexity,space and performance problems by integrating all therequired functions for offl ine LED lighting.
上传时间： 2013-10-13
上传用户：dongqiangqiang
为解决输油管道温度压力参数实时监测的问题，设计了以C8051F930单片机作为控制核心的超低功耗输油管道温度压力远程监测系统。现场仪表使用高精度电桥采集数据，通过433 MHz短距离无线通信网络与远程终端RTU进行通信，RTU通过GPRS网络与PC上位机进行远程数据传输，在上位机中实现数据存储和图形化界面显示，从而实现输油管道温度压力参数的实时监测和异常报警。经实验证明，该系统的12位数据采集精度满足设计要求，漏码率小于1%，正常工作时间超过5个月，能实时有效地监测输油管道的温度压力参数，节省大量人工成本，有效预防管道参数异常造成的经济损失和环境污染。 Abstract: In order to solve the problems on real-time monitoring of pipeline temperature and pressure parameters， the ultra-low power remote pipeline temperature and pressure monitoring system was designed by using the single chip processor C8051F930 as the control core. The high-precision electric bridge was used in field instruments for data collection， the 433MHz short-range wireless communication network was used to make communication between field instrument and RTU， the GPRS was used by the RTU to transmit data to the PC host computer， and the data was stored and displayed in the PC host computer， so the real-time monitoring and exception alerts of pipeline temperature and pressure parameters were achieved. The experiment proves that the system of which error rate is less than 1% over five months working with the 12-bit data acquisition accuracy can effectively monitor the pipeline temperature and pressure parameters in real time， it saves a lot of labor costs and effectively prevents Environmental pollution and economic losses caused by abnormal channel parameters.
上传时间： 2013-11-07
上传用户：cuibaigao
项目描述: Env_audit is a program that ferrets out everything it can about the environment. It looks for process IDs, UID, GID, signal masks, umask, priority, file descriptors, and Environmental variables. It comes with test configurations for anacron, apache, atd, crond, GDB, inittab, logrotate, PHP, pppd, procmail, rsh, rxvt, sendmail, SSH, stunnel, sudo, xinetd, and xterm. env_audit是一个搜索有关环境的所有东西的程序。它查询进程IDs，UID, GID,信号掩码，umask,优先权，文件描述符，和环境变量。它提供了用于anacron, apache, atd, crond, GDB, inittab, logrotate, PHP, pppd, procmail, rsh, rxvt, sendmail, SSH, stunnel, sudo, xinetd, 和xterm的测试配置。 类别: Development Status: 5 - Production/Stable Environment: Console (Text Based) Intended Audience: System Administrators License: GNU General Public License (GPL) Operating System: POSIX Topic: Security
标签： environment everything Env_audit ferrets
上传时间： 2013-12-02
上传用户：qweqweqwe
Expert Choice represents a significant contribution to the decision making process 工t assists a decision maker in solving complex problems involving many criteria and several courses of action . An Expert Choice solution to a problem reflects the expertise of the decision maker , not the computer . Behavioral scientists have spent many years studying the human mind and how it makes decisions . They have found that humans are influenced by their previous experiences and this causes them to have biases . Basic instincts , preferences and Environmental factors also play key roles in how we analyze data and make decisions . There 15 way to remove these factors from human decision making , nor would we necessarily want to , but as the problems of our world become more and more complex , it 15 necessary for us to employ a framework to help make more logical and less biased decisions while still taking our feelings and intuition into consideration .
标签： contribution significant represents decision
上传时间： 2015-06-02
上传用户：gmh1314
On Sunday, April 27, 2003, Fresno will celebrate Earth Day in downtown Fresno at Courthouse Park. The event will begin at noon. This year we will include music, speakers, and vendors, plus activities for children. Fresno Earth Day is recognized as the only Earth Day festival that happens in Fresno, and the largest in the Central Valley. The Fresno Earth Day Committee is a small group of Environmental activists hoping to broaden the appeal of a better planet and environment. We are a non-profit organization whose fiscal fiduciary is the Fresno Center for Nonviolence.
标签： Fresno Courthouse celebrate downtown
上传时间： 2016-02-24
上传用户：cursor
