Results 141 to 150 of about 303,910 (293)

A Preliminary Exploratory Measurement Model for Systems Thinking in Defence and Aerospace Engineering: A Bifurcated Framework Developed via Multiple Correspondence Analysis

Systems Research and Behavioral Science, EarlyView.
ABSTRACT Modern engineering faces a ‘complexity crisis’ characterized by interlinked, multidisciplinary ‘wicked problems’, particularly within the defence and aerospace sectors. Although systems thinking is recognized as a critical competency for navigating this environment, empirical quantitative frameworks for its measurement remain limited.
Shimon Fridkin, Sigal Kordova
wiley   +1 more source

Exploration of High and Low Frequency Options for Subperception Spinal Cord Stimulation Using Neural Dosing Parameter Relationships: The HALO Study

Neuromodulation: Technology at the Neural Interface, EarlyView., 2021
Abstract Objectives Subperception spinal cord stimulation (SCS) is described mostly utilizing waveforms that require high energy. However, the necessity of these waveforms for effective subperception has not been established. We aimed to explore whether effective subperception pain relief can be achieved using frequencies below 1 kHz.
José Paz‐Solís, Simon Thomson, Roshini Jain, Lilly Chen, Ismael Huertas, Que Doan   +5 more
wiley   +1 more source

Improved Asymptotic Friis Formula with Higher-Order Terms: Calculating Antenna Coupling in Close Proximity. [PDF]

Sensors (Basel)
Kim I, Lee JH.
europepmc   +1 more source

Microstructure, Defects, and Fatigue Response of High‐Strength Tool Steels

steel research international, EarlyView.
The martensitic tool steel family is designed for use in various working environments where they are subjected to repeatedly high mechanical loads. Despite the continuous upgrade of material´s microstructures through compositional development or processing techniques, defects remain a critical factor for the tool performance by leading to fatigue ...
Katerina Chantziara, Jens Bergström, Dimitrios Nikas, Mikael Thomas Grehk   +3 more
wiley   +1 more source

Direct-Write Laser-Induced Graphene Microstrip Patch Antennas on Medium-Density Fiberboard. [PDF]

ACS Omega
Materón EM, Gómez FR, Scheidt DT, Assis BB, de Carvalho Castro E Silva C, Ortiz-Riaño EJ, Sousa GM, Carrilho E, Oliveira ON, Mendes LL, Mejía-Salazar JR.   +10 more
europepmc   +1 more source

Foamed Concrete Sealing Materials for Coal Seam Gas Drainage Boreholes: A Review

Safety Science and Technology, EarlyView.
This study investigates the sealing performance of foamed concrete in gas drainage boreholes. By comparing leakage pathways (a, c) with sealed systems (b, d), the research demonstrates how foamed concrete effectively fills mining‐induced fractures and resists deformation.
Jiaxing Zou, Erlei Su, Huanchun Liu, Xiangjun Chen, Lin Wang, Haidong Chen, Lin Li   +6 more
wiley   +1 more source

A Novel Water-Cut Sensing Method for a Multiphase-Flow Pipeline Using a Ridged-Horn Antenna. [PDF]

Sensors (Basel)
Zhu G, Feng J, Zhang Y, Sun X, Liang S, Wang B, Gao M.   +6 more
europepmc   +1 more source

Sectoral horn antennas

, 1989
Elektromagnetik horn antenlerin çalışmasına ait teorik analiz, Maxwell denklemleri kullanılarak elde edilmiştir. Analiz, uzunluğu boyunca uniform olarak değişen sabitleri olan içi boş boruların dalgaları iletmesine, yani içi boş genişleyen borulara ...
Yılmaz, Recep
core  

Impact of Environmental Microparticles on Insect Olfaction

Environmental Toxicology, EarlyView.
ABSTRACT Terrestrial insects underpin key ecosystem services, including pollination, herbivory regulation, decomposition, nutrient cycling, and disease control. These functions depend on chemical communication that guides insects to food, mates, hosts, shelters, and oviposition sites while helping them avoid threats.
Steve B. S. Baleba, Danube K. N. Wandji, Yves H. Tchiechoua, Komi Mensah Agboka, Iman B. Hassaballa, Victor O. Omondi, Beatrice T. Nganso, Saliou Niassy, Souleymane Diallo, Merid N. Getahun   +9 more
wiley   +1 more source

A Derivative Approach to Permittivity Extraction from Free-Space S-Parameters Measurements. [PDF]

Sensors (Basel)
Bartolucci G, Capoccia G, Marcelli R, Proietti E.   +3 more
europepmc   +1 more source