Results 21 to 30 of about 18,077,726 (344)
International Journal of Polymer Science, 2021 Na2CO3 was loaded onto waste carbide slag (CS) by impregnation-calcination method to prepare the solid base catalyst, which was used to synthesize glycerol carbonate (GC) by the transesterification of glycerol with dimethyl carbonate (DMC).
Jianye Wang +4 more
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Applied Sciences, 2021 An accelerated degradation test (ADT) has become a popular method to accelerate degradation mechanisms by stressing products beyond their normal use conditions.
Chinuk Lee +3 more
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Thermal equilibrium analysis and experiment of molten slag modification by use of its sensible heat
工程科学学报, 2016 Preparing high added-value materials from molten slag directly by modifying molten slag has drawn a great interest in the utilization of molten slag because of its high efficiency during the integrated utilization of the heat and slag.
LU Xiang +4 more
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Experimental/Numerical Acoustic Assessment of Aircraft Seat Headrests Based on Electrospun Mats
Applied Sciences, 2021 The work proposes a methodology for the assessment of the performances of Passive Noise Control (PNC) for passenger aircraft headrests with the aim of enhancing acoustic comfort.
Venanzio Giannella +4 more
doaj +1 more source
AIP Advances, 2014 Time-dependent dielectric breakdown (TDDB) is one of the most important reliability issues in Cu/low-k technology development. With continuous technology scalings to nanometer scales, TDDB issue is further exacerbated.
Dan Dan Wang +5 more
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Passive Intermodulation Measurement: Challenges and Solutions
Engineering, 2022 In modern wireless communication systems, the signal-to-noise ratio (SNR) is one of the most important performance indicators. When the other radio frequency (RF) performance of the components is well designed, passive intermodulation (PIM) interference ...
Zhanghua Cai +3 more
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Evaluation of Radiation Thermal Resistances in Industrial Motors [PDF]
, 2006 This paper deals with the role of the radiation thermal resistances in industrial motors and describes a test set useful for the resistance evaluation. The test set is based on a vacuum chamber and on a numerical acquisition system, and the resistances ...
Boglietti, Aldo +3 more
core +2 more sources
Rapid Test Method for Multi-Beam Profile of Phased Array Antennas
Sensors, 2021 The measurement of the phased array antenna (PAA) is completely different from the traditional antenna, due to its multi beam patterns. Usually, each beam pattern of the PAA needs a separate measurement, which makes the overall time extremely long. Thus,
Qingchun Luo +5 more
doaj +1 more source
Validation of the KC autotuning principle on a multi-tank pilot process [PDF]
, 2019 PIDs are the most widely used controllers in industrial applications. This particular interest generates on-going research regarding simplified tuning methods appealing to the industrial user.
De Keyser, Robain, Muresan, Cristina I
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A Novel Approach for Simplification of Industrial Robot Dynamic Model Using Interval Method [PDF]
, 2014 This paper proposes a new approach to simplify the dynamic model of industrial robot by means of interval method. Due to strong nonlinearities, some components of robot dynamic model such as the inertia matrix and the vector of centrifugal, Coriolis and ...
ABBA, Gabriel +2 more
core +4 more sources