Results 91 to 100 of about 77,050 (321)

High Performance Flexible Optical Fiber Sensor Enabled by Er3+/Yb3+ Co‐Doped near Pure‐Green Upconversion Emission Phosphor for Implantable Temperature Sensing

open access: yesAdvanced Materials Interfaces, EarlyView.
A superior double‐cladding optical fiber temperature sensor (OFTS) is fabricated by utilizing a bright and stable near‐pure green UC phosphor NaLu(WO4)2:Er3+/Yb3+ as sensing material. The OFTS exhibits a high temperature measurement accuracy of 0.155°C at 303 K, excellent measuring repeatability and chemical stability, along with strong resistance to ...
Jing Lyu   +4 more
wiley   +1 more source

Food‐Based Edible Wireless Sensing Device with Isotropic Electromagnetic Response for Gastrointestinal Monitoring

open access: yesAdvanced Materials Technologies, EarlyView.
A sensor is fabricated that reflects electromagnetic waves wirelessly using only edible materials. The substrate is made of edible materials such as sugar and starch, and the electrodes are made of gold. This sensor has isotropic electromagnetic wave characteristics in response to rotation.
Ryosuke Matsuda   +5 more
wiley   +1 more source

Experimental Setup for the Measurement of the Thermoelectric Power in Zero and Applied Magnetic Field

open access: yes, 2010
An experimental setup was developed for the measurement of the thermoelectric power (TEP, Seebeck coefficient) in the temperature range from 2 to 350 K and magnetic fields up to 140 kOe.
Blatt F J   +7 more
core   +2 more sources

Influence of temperature gradients on tunnel junction thermometry below 1 K: cooling and electron-phonon coupling [PDF]

open access: yes, 2006
We have studied thermal gradients in thin Cu and AlMn wires, both experimentally and theoretically. In the experiments, the wires were Joule heated non-uniformly at sub-Kelvin temperatures, and the resulting temperature gradients were measured using ...
A. Luukanen   +18 more
core   +2 more sources

On–Off Switchable Micromotors for Use in Steerable Microvehicles

open access: yesAdvanced Robotics Research, EarlyView.
Electrically controllable micromotors and microvehicles are developed by tuning the diffusion of the fuel. Self‐propelled micromotors using bubble propulsion show great promise for miniaturized devices with multiuse purposes such as cargo delivery and sensing. However, there is currently no method to electrically switch the micromotors on or off. Here,
Hugo Severinsson   +3 more
wiley   +1 more source

Development and calibration of a cost-effective temperature sensor [PDF]

open access: yes, 2016
Oceanographic sensors are accurate and reliable but very expensive.
Almécija, Ana   +3 more
core  

Exclusive Breastfeeding Drives AMPK‐Dependent Thermogenic Memory in BAT and Promotes Long‐Term Metabolic Benefits in Offspring

open access: yesAdvanced Science, EarlyView.
Exclusive breastfeeding establishes a thermogenic memory in brown adipose tissue by activating the HIF1AN/AMPK/α‐ketoglutarate axis via milk‐derived extracellular vesicles enriched in miR‐125a‐5p. This programming preserves metabolic health, while αKG supplementation restores BAT function under mixed feeding, offering strategies to mitigate the ...
Ningxi Wu   +13 more
wiley   +1 more source

Occurrence of multiple fistulas decades after ingestion and neglect of numerous thermometers: a case report

open access: yesSurgical Case Reports
Background Ingestion of thermometers is a very rare occurrence and associated with penetrations of hollow organs. An event decades ago can lead to the development of fistulas.
Katrin Schulte, Henning Wendelin Wolf
doaj   +1 more source

Lunar heat-flow experiment: Long term temperature observations on the lunar surface at Apollo sites 15 and 17 [PDF]

open access: yes
Several investigators of the Apollo lunar experiments have observed gradual increases in the mean temperatures recorded by various surface thermometers.
Peters, K.
core   +1 more source

Studying the Instrument Shelter [PDF]

open access: yes, 2003
The purpose of this activity is to discover why an instrument shelter is built the way it is. Students construct shelters that have varying properties and place them in the same location or place similar shelters in different locations and compare ...
The GLOBE Program, UCAR (University Corporation for Atmospheric Research)
core  

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