Results 31 to 40 of about 4,042,218 (312)

A High-Performance LC Wireless Passive Pressure Sensor Fabricated Using Low-Temperature Co-Fired Ceramic (LTCC) Technology

open access: yesSensors, 2014
An LC resonant pressure sensor with improved performance is presented in this paper. The sensor is designed with a buried structure, which protects the electrical components from contact with harsh environments and reduces the resonant-frequency drift of
Chen Li   +5 more
doaj   +1 more source

Is biochemical hypoglycemia necessary during an insulin tolerance test?

open access: yesArchives of Endocrinology and Metabolism, 2020
Objective The insulin tolerance test (ITT) has been accepted as the gold standard test for assessing the integrity of the growth hormone (GH) – insulin-like growth factor (IGF-1) axis and the hypothalamic-pituitary-adrenal (HPA) axis.
Yasin Simsek   +5 more
doaj   +1 more source

Investigation of Laser-Welded Co-Cr Dental Alloys by Microscopy and Mechanical Testing

open access: yesMetals, 2023
In order to improve the hold and function of dentures for the patient, various prostheses made of metal, mostly metal alloys, are used every day in dental practise.
Andreja Carek   +3 more
doaj   +1 more source

Hydrogen Hybrid Power System and Its Control Strategy for Autonomous-rail Rapid Tram

open access: yesKongzhi Yu Xinxi Jishu, 2023
In the context of increasing application of autonomous-rail rapid transit (ART) at home and abroad, in order to meet the diverse power system requirements in various scenarios and the operating range demands in different operation modes, this paper ...
YU Zhuo, XIAO Lei, XIE Jun, LI Jing
doaj   +3 more sources

Distributed Wireless Measurement System for Transient Pressure with Data Extraction Technology

open access: yesInternational Journal of Distributed Sensor Networks, 2015
Transient pressure measurement system applied in an explosion field is usually characterized by non-real-time measurement due to the conflict between quick signal acquisition and limited communication bandwidth. The correct signal acquisition is launched
Wenlian Wang, Jinwen Zhang, Zhijie Zhang
doaj   +1 more source

Optimisation Design of Coupling Region Based on SOI Micro-Ring Resonator

open access: yesMicromachines, 2014
Design optimization of the coupling region is conducted in order to solve the difficulty of achieving a higher quality factor (Q) for large size resonators based on silicon-on-insulator (SOI).
Shubin Yan   +5 more
doaj   +1 more source

THE ASSESSMENT OF THE POLLUTANT EMISSION FROM THE SELF IGNITION ENGINE IN ITS DIFFERENT OPERATING STATES [PDF]

open access: yesArchives of Transport, 2014
Paper presents the results of pollutant emission tests from the self ignition engine in various states of its operation. Engine operating states were obtained on the engine test stand.
Zdisław Chłopek
doaj   +1 more source

Research Progress on Dynamic Testing Methods of Wood Shear Modulus: A Review

open access: yesBioResources, 2023
Wood is a non-homogeneous and orthotropic natural polymer material. It is important to test the wood shear modulus and elastic constants accurately and reliably using dynamic methods.
Zheng Wang   +5 more
doaj   +2 more sources

The Effect of Welded Splice with Predetermined Gap of Concrete Spun Pile on The Response of Low Strain Integrity Test

open access: yesCivil Engineering Dimension, 2022
This paper presents the velocity wave of concrete spun piles with welded splice. The stress wave velocity was recorded using Pile Integrity Test. Two specimens were prepared in the experiment.
Gogot Setyo Budi, Levin S. Tanaya
doaj   +1 more source

An experimental study of the fracture morphology of marble under dynamic loading

open access: yesShuiwen dizhi gongcheng dizhi, 2022
To investigate the fracture morphology characteristics of marble under dynamic loading, the dynamic compression and splitting tests of rock samples under different impact velocities are carried out using the split-Hopkinson pressure bar.
Weixiang WANG   +3 more
doaj   +1 more source

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