AquariaCentral.com

i have a 10 gallon i'm cycling. i have 3 ghost shrimp (one dead, one gravid) and many many live plants (that came with lots of baby mystery snails). i started cycling on 2/3/11. well today i saw an arthropod with the shape of a pond skimmer swimming around my tank. what in the world is it? it had the 4 long legs it used to paddle with and it looked like the front legs tucked und...

RFID读写器是与RFID标签通信、采集识别数据并将信息传输到数字化管理系统的核心设备。在工业环境中，可靠的RFID读写器无需人工扫描即可自动追踪产品、资产、工具和物料，帮助工厂、仓库、物流公司和企业提高运营可视性。


经过多年从事 RFID 硬件测试、系统集成和工业部署项目的工作，我发现读写器本身只是成功的 RFID 解决方案的一部分。


安装完成后，困难的部分才真正开始。


产品手册可能会描述读取距离、通信协议和处理速度。然而，实际工厂环境中的条件是实验室无法完全模拟的：


钢结构改变信号行为 以不同速度移动的产品 数百个标签同时响应 产生电磁干扰的机械 工人们每小时都在改变环境 <...

I’m looking into ways to keep a backyard pond cleaner, especially when leaves, grass, and other debris start collecting on the surface. I’ve been considering Pond Skimmers as a way to remove floating debris before it sinks and creates more maintenance work.

For anyone who has used one, how much difference did it make in your pond? Did you notice easier cleani...

Hi does anyone know what happened to Dale Witsil. He was moderater of the group years ago name was reefscape. He seems to have just disappeared. We became good friends but lost touch. I have checked Facebook and hasn’t used it in a few years. Thank you

Hi does anyone know what happened to Dale Witsil. He was moderater of the group years ago name was reefscape. He seems to have just disappeared. We became good friends but lost touch. I have checked Facebook and hasn’t used it in a few years. Thank you