scholarly journals A highly sensitive in-situ turbidity sensor with low power consumption

2014 ◽  
Vol 4 (1) ◽  
pp. 77-85 ◽  
Author(s):  
Yi Hu ◽  
Lei Sun ◽  
Shuming Ye ◽  
Hang Chen ◽  
Kai Jiang ◽  
...  
Nanoscale ◽  
2020 ◽  
Vol 12 (34) ◽  
pp. 17715-17724 ◽  
Author(s):  
Ruzhan Qin ◽  
Mingjun Hu ◽  
Xin Li ◽  
Li Yan ◽  
Chuanguang Wu ◽  
...  

A highly flexible and highly sensitive piezoresistive sensor was fabricated by using MXenes and polyvinyl butyral.


2018 ◽  
Vol 14 (3) ◽  
pp. 305-313 ◽  
Author(s):  
Seungmin Kwak ◽  
Young-Seok Shim ◽  
Yong Kyoung Yoo ◽  
Jin-Hyung Lee ◽  
Inho Kim ◽  
...  

2020 ◽  
Vol 20 (11) ◽  
pp. 5865-5875 ◽  
Author(s):  
Ken B. Cooper ◽  
Raquel Rodriguez Monje ◽  
Robert J. Dengler ◽  
Corey J. Cochrane ◽  
Maria Alonso-Delpino ◽  
...  

2012 ◽  
Vol 588-589 ◽  
pp. 968-973 ◽  
Author(s):  
Tao Zhang ◽  
Shu Ming Ye ◽  
Ji Yu Han ◽  
Jun Feng Liu

As a major indicator in marine life research and geochemistry, the in-situ monitoring of dissolved oxygen has become increasingly important in the assessment of marine ecosystem. It has been proved that fluorescence quenching may result in shorter fluorescence lifetime. Based on it, this paper proposes an in-situ dissolved oxygen monitoring system of high precision and low power consumption applicable to long-term monitoring of complex marine environment. Using phase detecting method, an AC analog amplification channel on Precision photoelectric detection, and used digital phase detection method and three order integral average method to detect the phase offset. The ultralow-power microcontroller was used to control system. The experiments results show that the system has high stability, high precision(0.02mg/L), quick response time(≤40s), low power consumption(peak current ≤10mA), strong anti interference ability.


Author(s):  
Ze-Wen Hao ◽  
Mi-Mi Dong ◽  
Rui Qin Zhang ◽  
Chuankui Wang ◽  
Xiaoxiao Fu

The development of highly sensitive, low-power consumption, stable and recyclable gas sensing devices at room temperature has become an important solution for the environmental safety detection. Utilizing two-dimensional metalloporphyrin monolayer...


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