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MySQL Error: 1194 (Table 'pwn_comment' is marked as crashed and should be repaired)
#0 dbbase_sql->halt(Invalid SQL: select * from pwn_comment where pid='5168' and iffb='1' order by id limit 0,10) called at [D:\wwwroot\20911.net\includes\db.inc.php:73] #1 dbbase_sql->query(select * from {P}_comment where pid='5168' and iffb='1' order by id limit 0,10) called at [D:\wwwroot\20911.net\comment\module\CommentContent.php:167] #2 CommentContent() called at [D:\wwwroot\20911.net\includes\common.inc.php:518] #3 printpage() called at [D:\wwwroot\20911.net\comment\html\index.php:13]
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 客户点评-The New Era In Power-effectivity Constructing Is To Integrate Automatic Occupancy Detection With Automated Heating, Ventilation And Cooling (HVAC), The Biggest Supply Of Constructing Vitality Consumpt世界杯2022几月份开始_2022世界杯赛程-世界杯资讯
 
 
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The New Era In Power-effectivity Constructing Is To Integrate Automatic Occupancy Detection With Automated Heating, Ventilation And Cooling (HVAC), The Biggest Supply Of Constructing Vitality Consumpt
The new era in power-effectivity constructing is to integrate automatic occupancy detection with automated heating, ventilation and cooling (HVAC), the biggest supply of constructing vitality consumption. By closing off some air vents, during certain hours of the day, up to 7.5% constructing power consumption may very well be saved. In the past, sensible vent has obtained growing consideration and several other merchandise have been developed and introduced to the marketplace for constructing power saving. As an illustration, Ecovent Programs Inc. and http://git.newslab.iith.ac.in/gripkorean39 Keen Dwelling Inc. have each developed sensible vent registers able to turning the vent on and off by smart telephone apps. Nonetheless, their merchandise wouldn`t have on-board occupancy sensors and are due to this fact open-loop. Their vent control was achieved by merely positioning the vent blade by way of a motor and a controller with out involving any sensible actuation. This paper presents an modern strategy for automated vent control and automated occupancy (human subjects) detection. We devise this strategy in a wise register that has polydimethylsiloxane (PDMS) body with embedded Form reminiscence alloy (SMA) actuators. SMAs belong to a class of shape memory supplies (SMMs), which have the flexibility to ‘memorise’ or retain their earlier form when subjected to certain stimulus resembling thermomechanical or magnetic variations. And it will possibly work as actuators and be utilized to vent control. Specifically, a Ni-Ti SMA strip will likely be pre-educated to a circular shape, wrapped with a Ni-Cr resistive wire that is coated with thermally conductive and electrically isolating material. Then, the SMA strip along with an antagonistic SMA strip will likely be bonded with PZT sensor and thermal sensors, to be inserted into a 3D printed mould which will likely be full of silicone rubber supplies. In the end, a demoulding course of yields a fully built-in blade of the good register. A number of blades are put in together to type the sensible register. The PZT sensors can feedback the form of the actuator for precise form and air circulate management. The performance and the specification of the sensible registers will likely be characterized experimentally. Its capability of regulating airflow, forming air curtain will be demonstrated.
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