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5,430 Results Found

  • Article
  • Open Access
1,696 Views
15 Pages

A Study on a Modified Model for the Hold Time of a Clean Extinguishing Agent

  • Goonho Kim,
  • Jee-Hun Jeong,
  • Hyun-Jeong Bang and
  • Ho-Jun Lee

3 November 2021

When estimating the theoretical hold time of a Clean Extinguishing Agent (CEA), the hold time is predicted using a leakage exponent and leakage characteristics that are measured through an Enclosure Integrity Test (EIT). In particular, the leakage ex...

  • Article
  • Open Access
1,209 Views
19 Pages

11 August 2025

This article presents a new full-bridge converter with two series-connected transformers (TTFB), designed to meet the hold-up time requirements in power systems. The conventional TTFB topology offers low root mean square (RMS) output current, clamped...

  • Article
  • Open Access
2 Citations
4,668 Views
16 Pages

A Low-Distortion 20 GS/s Four-Channel Time-Interleaved Sample-and-Hold Amplifier in 0.18 μm SiGe BiCMOS

  • Hao Ding,
  • Danyu Wu,
  • Xuqiang Zheng,
  • Lei Zhou,
  • Teng Chen,
  • Fangxu Lv,
  • Jianye Wang,
  • Baifeng An,
  • Jin Wu and
  • Xinyu Liu

This paper presents a 20 GS/s four-channel time-interleaved sample-and-hold amplifier (SHA), which aims to improve the harmonic distortion performance, eliminate the common-mode voltage fall in track-to-hold transition, and solve the difficulty of ti...

  • Article
  • Open Access
6 Citations
3,814 Views
15 Pages

Control of the Bidirectional Buck-Boost Converter Operating in Boundary Conduction Mode to Provide Hold-Up Time Extension

  • Oswaldo Lopez-Santos,
  • José Omar Urrego-Aponte,
  • Sebastián Tilaguy-Lezama and
  • José David Almansa-López

26 September 2018

A hold-up time extension circuit (HTEC) is used to charge and discharge an auxiliary capacitor. This capacitor stores the energy required to extend the operation time of critical loads experiencing short duration failures (SDF) at the DC bus to which...

  • Article
  • Open Access
3 Citations
3,045 Views
15 Pages

12 December 2023

The effects and interactions of incubation time and chick preplacement holding time on mortality at placement, utilization of yolk sac, crop filling rate, early feeding–drinking behavior, and broiler live performance were investigated. Ross 308...

  • Article
  • Open Access
2 Citations
3,109 Views
12 Pages

31 October 2023

In this paper, the light intensity and charge holding time dependence of pinned photodiode (PD) full well capacity (FWC) are studied for our pixel structure with a buried overflow path under the transfer gate. The formulae for PDFWC derived from a si...

  • Article
  • Open Access
13 Citations
4,745 Views
11 Pages

Water safety and management programs (WSMP) utilize field measurements to evaluate control limits and monitor water quality parameters including Legionella presence. This monitoring is important to verify that the plan is being implemented properly....

  • Article
  • Open Access
1,560 Views
17 Pages

Effect of Si and Holding Time on Ti2Al20La Phase in Al-Ti-La Intermediate Alloy

  • Hu Da,
  • Xudong Tian,
  • Jiazhi An,
  • Wanwu Ding,
  • Jianchao Chen,
  • Haicun Yu and
  • Haixia Zhang

26 June 2024

The effects of holding time and Si on the content, shape size and structure of Ti2Al20La phase in Al-Ti-La intermediate alloy were investigated by an X-ray diffractometer, scanning electron microscope and transmission electron microscope. The results...

  • Article
  • Open Access
1,826 Views
14 Pages

1 December 2025

In this study, the Cu/Al composite foil with a thickness of 0.04 mm was prepared by a combination of secondary micro-rolling and intermediate annealing process. The influence of different holding times (40, 60, and 80 min) at an annealing temperature...

  • Article
  • Open Access
9 Citations
3,019 Views
23 Pages

18 March 2022

Liquefied natural gas (LNG) is the cleanest fossil fuel available, producing less carbon emissions and fewer pollutants than other fossil fuels. Marine transportation is a key process in the LNG supply chain. The use of tank containers, which are por...

  • Article
  • Open Access
555 Views
11 Pages

23 October 2025

In this paper, the effects of TGase reaction times (0, 6, 12, 18, and 24 h) at 4 °C on the solubility, emulsion stability, cooking yield, gel properties and water distribution of reduced-fat and reduced-sodium chicken meat batter were studied. Th...

  • Article
  • Open Access
8 Citations
2,086 Views
17 Pages

Holding Time Influence on the Hot Ductility Behavior of a Continuously Cast Low Alloy Steel

  • Marina Gontijo,
  • Christian Hoflehner,
  • Sergiu Ilie,
  • Jakob Six and
  • Christof Sommitsch

30 December 2020

Cracking during the continuous casting process is undesirable and continuous work is being carried out to find further improvements and understand the mechanisms that lead to failure. Investigations on the hot ductility behavior of a continuously cas...

  • Article
  • Open Access
6 Citations
2,229 Views
20 Pages

5 February 2024

Temperature determines biochar structure during pyrolysis. However, differences in holding time and feedstock types may affect this relationship. The conditional process analysis model was used in this paper to investigate the potential to affect thi...

  • Article
  • Open Access
11 Citations
4,078 Views
12 Pages

25 November 2020

Tapioca and potato starches were used to investigate the effect of heat–moisture treatment (HMT; 95–96 °C, 0–60 min, 1–6 iterations) on gelatinization properties, swelling power (SP), solubility and pasting properties. Tap...

  • Article
  • Open Access
4 Citations
3,402 Views
24 Pages

31 January 2022

Based on the nonlinear disturbance observer (NDO), the inversion time-constraint stability strategy (ITCS) is designed to make the deep-sea self-holding intelligent buoy (DSIB) system hovered at an appointed depth within a specified time limit. Howev...

  • Article
  • Open Access
9 Citations
4,296 Views
8 Pages

1 September 2018

1Cr12Mo martensitic stainless steel is widely used for intermediate and low-pressure steam turbine blades in fossil-fuel power plants. A nickel-based filler metal (SFA-5.8 BNi-2) was used to braze 1Cr12Mo in an Ar atmosphere. The influence of brazing...

  • Article
  • Open Access
3 Citations
2,018 Views
22 Pages

11 August 2024

For special tail sitter configurations such as the ducted fan tail sitter unmanned aerial vehicle (UAV), the widely used trajectory planning methodology based on differential flatness might not be applicable due to complex aerodynamic coupling effect...

  • Article
  • Open Access
973 Views
29 Pages

Constitutive Modeling of Creep–Fatigue Interaction in 1Cr-1Mo-0.25V Steel for Hold-Time Testing

  • Federico Bucciarelli,
  • Alessandro Guazzini,
  • Tommaso Grossi,
  • Giuseppe Macoretta and
  • Bernardo Disma Monelli

12 September 2025

In the field of energy production, creep–fatigue interaction is a typical failure mode that might compromise the structural integrity of both rotating equipment and pressure vessels. Common design practices approach the problem in a conservativ...

  • Article
  • Open Access
33 Citations
5,939 Views
19 Pages

4 February 2021

The widely adopted temperature for solid solution heat treatment (ST) for the conventionally fabricated Inconel 718 is 1100 °C for a hold time of 1 h or less. This ST scheme is, however, not enough to dissolve Laves and annihilate dislocations comple...

  • Article
  • Open Access
15 Citations
5,355 Views
25 Pages

A Two-Storage Inventory Model with Trade Credit Policy and Time-Varying Holding Cost under Quantity Discounts

  • Alaa Fouad Momena,
  • Rakibul Haque,
  • Mostafijur Rahaman and
  • Sankar Prasad Mondal

27 October 2023

Background: What are the cumulative influences of pricing, promotions of commodities, order size-based discount opportunities, and alternative warehousing scenarios on effective decision-making concerning inventory management? It is observed that the...

  • Article
  • Open Access
15 Citations
4,021 Views
16 Pages

1 February 2023

Common methods for hold-up time and volume determination in Reversed-Phase Liquid Chromatography (RPLC) have been tested for Hydrophilic Interaction Liquid Chromatography (HILIC). A zwitterionic ZIC-HILIC column has been used for the testing. The pyc...

  • Article
  • Open Access
3 Citations
2,024 Views
11 Pages

Free-Breathing and Single-Breath Hold Compressed Sensing Real-Time MRI of Right Ventricular Function in Children with Congenital Heart Disease

  • Christoph Treutlein,
  • Martin Georg Zeilinger,
  • Sven Dittrich,
  • Jan-Peter Roth,
  • Matthias Wetzl,
  • Rafael Heiss,
  • Wolfgang Wuest,
  • Matthias Stefan May,
  • Michael Uder and
  • Oliver Rompel

(1) Purpose: to compare right ventricular (RV) functional parameters in children with surgically repaired congenital heart disease (CHD) using single/double breath hold (BH) and free-breathing (FB) real-time compressed sensing (CS) cine cardiac magne...

  • Article
  • Open Access
17 Citations
4,034 Views
11 Pages

3 September 2018

Introduction of TiB2 reinforcements into aluminium matrices allows composites to be obtained that exhibit excellent mechanical properties and good wear and corrosion resistance. These composites find applications in the automotive, aerospace and mari...

  • Communication
  • Open Access
2 Citations
3,641 Views
15 Pages

16 September 2020

We performed environmental fatigue testing in simulated primary water reactor (PWR) primary water and reference fatigue testing in air in the framework of an international, collaborative project (INCEFA-PLUS), where the effects of mean strain and str...

  • Article
  • Open Access
27 Citations
7,912 Views
16 Pages

3 March 2017

This work investigated the isothermal holding time dependence of the densification, microstructure, weight loss, and tensile properties of Fe-Mn-Si powder compacts. Elemental Fe, Mn, and Si powder mixtures with a nominal composition of Fe-28Mn-3Si (i...

  • Article
  • Open Access
2 Citations
2,111 Views
21 Pages

22 May 2021

Preforming pressure and the pressure holding time are important parameters of the molding process, which directly affect the mechanical properties of materials. In order to obtain the best molding parameters of Al-rich Al/PTFE/TiH2 composites, based...

  • Article
  • Open Access
2 Citations
4,088 Views
16 Pages

Chondrocyte Culture Parameters for Matrix-Assisted Autologous Chondrocyte Implantation Affect Catabolism and Inflammation in a Rabbit Model

  • Martin Sauerschnig,
  • Markus T. Berninger,
  • Theresa Kaltenhauser,
  • Michael Plecko,
  • Gabriele Wexel,
  • Martin Schönfelder,
  • Valerie Wienerroither,
  • Andreas B. Imhoff,
  • Philip B. Schöttle and
  • Gian M. Salzmann
  • + 1 author

Cartilage defects represent an increasing pathology among active individuals that affects the ability to contribute to sports and daily life. Cell therapy, such as autologous chondrocyte implantation (ACI), is a widespread option to treat larger cart...

  • Article
  • Open Access
16 Citations
3,294 Views
14 Pages

Study on the Evolution Pattern of the Aromatics of Lignin during Hydrothermal Carbonization

  • Wendi Sun,
  • Li Bai,
  • Mingshu Chi,
  • Xiuling Xu,
  • Zhao Chen and
  • Kecheng Yu

18 January 2023

Waste straw contains a large amount of lignin, and its resource utilization is not only in line with the national double carbon development strategy, but also to alleviate environmental pollution. Hydrothermal carbonization is a new thermochemical co...

  • Article
  • Open Access
6 Citations
8,109 Views
19 Pages

25 September 2022

A 6-bit 20 GS/s 16-channel time-interleaved (TI) analog-to-digital converter (ADC) using a two-step flash ADC with a sample-and-hold (S/H) sharing technique and a gain-boosted voltage-to-time converter (VTC) is presented for high-speed wireline commu...

  • Article
  • Open Access
23 Citations
5,257 Views
15 Pages

Adhesion Improvement of Solvent-Free Pressure-Sensitive Adhesives by Semi-IPN Using Polyurethanes and Acrylic Polymers

  • Kwang Hun Park,
  • Dong Yeob Lee,
  • Sung Ha Yoon,
  • Seong Hun Kim,
  • Min Su Han,
  • Seungju Jeon,
  • Yejin Kim,
  • Yong Kwan Lim,
  • Do-Hoon Hwang and
  • Bogyu Lim
  • + 1 author

22 September 2022

To improve the peel strength and holding time of polypropylene glycol (PPG)-based pressure-sensitive adhesives (PSAs), a semi-interpenetrating polymer network (semi-IPN) was prepared using acrylic polymers. In addition, to prevent air pollution due t...

  • Article
  • Open Access
9 Citations
2,634 Views
14 Pages

18 May 2023

An amorphous indium tin oxide (ITO) film (Ar/O2 = 80:0.5) was heated to 400 °C and maintained for 1–9 min using rapid infrared annealing (RIA) technology and conventional furnace annealing (CFA) technology. The effect of holding time on the...

  • Article
  • Open Access
11 Citations
2,535 Views
9 Pages

Preparation and Characterization of Mg–Al–B Alloy (Mg0.5Al0.5B2) Via High-Temperature Sintering

  • Lin Yang,
  • Jie He,
  • Yusong Ma,
  • Liang Zhang,
  • Shizhou Ma,
  • Xiqiang Gai and
  • Xinggao Zhang

28 June 2021

Boron and its alloys have long been explored as potential fuel and increasingly replace pure aluminum powder in high-energy formulations. The ignition and burning properties of boron can be improved by making boron alloys. In this study, an Mg–Al–B a...

  • Article
  • Open Access
157 Views
9 Pages

Preparation of Highly Active Mg-Al-Li-B Alloys via High-Temperature Sintering

  • Yuze Wang,
  • Hanqing Xu,
  • Zhihua Zhuang,
  • Jinyan He,
  • Wenlian Peng,
  • Xinggao Zhang,
  • Hao Chen and
  • Liang Zhou

6 January 2026

Boron is a promising fuel, but its oxide layer impedes combustion. Alloying boron with other high-energy metals can significantly enhance its combustion performance. In this study, we sintered highly reactive lithium-containing Mg-Al-Li-B alloys usin...

  • Feature Paper
  • Article
  • Open Access
5 Citations
3,357 Views
21 Pages

Supplier Replacement Model in a One-Level Assembly System under Lead-Time Uncertainty

  • Hasan Murat Afsar,
  • Oussama Ben-Ammar,
  • Alexandre Dolgui and
  • Faicel Hnaien

13 May 2020

Supplier selection/replacement strategies, purchasing price negotiation and optimized replenishment policies play a key role in efficient supply chain management in today’s dynamic market. Their importance increases even more in Industry 4.0. I...

  • Article
  • Open Access
1 Citations
4,433 Views
18 Pages

This study investigates whether cryptocurrency investments have a distinct impact on corporate liquidity depending on when they are held and the stage of a firm’s life cycle at the time of holding, using a sample of Korean companies. The empiri...

  • Article
  • Open Access
8 Citations
2,340 Views
10 Pages

25 July 2022

With the use of high phosphorus iron ore, there is a large amount of high phosphorus steel slag formed, which is difficult to handle. How to separate the elemental phosphorus has become a key issue in the secondary utilization of steel slag. Experime...

  • Article
  • Open Access
49 Citations
19,511 Views
22 Pages

A Comprehensive Study of Biochar Yield and Quality Concerning Pyrolysis Conditions: A Multifaceted Approach

  • Alperay Altıkat,
  • Mehmet Hakkı Alma,
  • Aysun Altıkat,
  • Mehmet Emin Bilgili and
  • Sefa Altıkat

22 January 2024

In this research, we investigated the yields of biochar, bio-oil, and synthesis gas under various pyrolysis conditions, as well as their impact on the elemental composition, FTIR, EDX, SEM, and HCV values of biochar. This study utilized three differe...

  • Article
  • Open Access
4 Citations
5,052 Views
11 Pages

Design and Implementation of a Compact Single-Photon Counting Module

  • Ming Chen,
  • Chenghao Li,
  • Alan P. Morrison,
  • Shijie Deng,
  • Chuanxin Teng,
  • Houquan Liu,
  • Hongchang Deng,
  • Xianming Xiong and
  • Libo Yuan

A compact single-photon counting module that can accurately control the bias voltage and hold-off time is developed in this work. The module is a microcontroller-based system which mainly consists of a microcontroller, a programmable negative voltage...

  • Article
  • Open Access
2 Citations
2,367 Views
22 Pages

A Study on the Effect of O2 Diffusion on the Retention Time of Inert Agents

  • GoonHo Kim,
  • Ju-Hong Cha,
  • Jee-Hun Jeong and
  • Ho-Jun Lee

24 September 2020

Gaseous agents are widely used in fire extinguishing systems (FESs) when water extinguishing agents are unavailable. The extinguishing ability of the FES-gaseous agent is determined by the retention time (hold time) at which its concentration is main...

  • Article
  • Open Access
14 Citations
3,706 Views
14 Pages

Applying Compressed Sensing Volumetric Interpolated Breath-Hold Examination and Spiral Ultrashort Echo Time Sequences for Lung Nodule Detection in MRI

  • Yu-Sen Huang,
  • Emi Niisato,
  • Mao-Yuan Marine Su,
  • Thomas Benkert,
  • Ning Chien,
  • Pin-Yi Chiang,
  • Wen-Jeng Lee,
  • Jin-Shing Chen and
  • Yeun-Chung Chang

This prospective study aimed to investigate the ability of spiral ultrashort echo time (UTE) and compressed sensing volumetric interpolated breath-hold examination (CS-VIBE) sequences in magnetic resonance imaging (MRI) compared to conventional VIBE...

  • Article
  • Open Access
10 Citations
2,888 Views
17 Pages

Effects of High Intensity Ultrasound Stimulation on the Germination Performance of Caper Seeds

  • María Laura Foschi,
  • Mariano Juan,
  • Bernardo Pascual and
  • Nuria Pascual-Seva

19 June 2023

The caper bush has developed different mechanisms to survive in Mediterranean conditions, such as drought tolerance and seed dormancy. Many studies have been carried out to improve the germination of caper seeds, but ultrasound is one of the least st...

  • Article
  • Open Access
22 Citations
5,969 Views
27 Pages

Effect of Calcination Time on the Physicochemical Properties and Photocatalytic Performance of Carbon and Nitrogen Co-Doped TiO2 Nanoparticles

  • Emile Salomon Massima Mouele,
  • Mihaela Dinu,
  • Franscious Cummings,
  • Ojo O. Fatoba,
  • Myo Tay Zar Myint,
  • Htet Htet Kyaw,
  • Anca C. Parau,
  • Alina Vladescu,
  • M. Grazia Francesconi and
  • Leslie F. Petrik
  • + 6 authors

28 July 2020

The application of highly active nano catalysts in advanced oxidation processes (AOPs) improves the production of non-selective hydroxyl radicals and co-oxidants for complete remediation of polluted water. This study focused on the synthesis and char...

  • Article
  • Open Access
1 Citations
1,613 Views
16 Pages

Deep-Learning-Based Reconstruction of Single-Breath-Hold 3 mm HASTE Improves Abdominal Image Quality and Reduces Acquisition Time: A Quantitative Analysis

  • Felix Kubicka,
  • Qinxuan Tan,
  • Tom Meyer,
  • Dominik Nickel,
  • Elisabeth Weiland,
  • Moritz Wagner and
  • Stephan Rodrigo Marticorena Garcia

Purpose: Breath-hold T2-weighted half-Fourier acquisition single-shot turbo spin echo (HASTE) magnetic resonance imaging (MRI) of the upper abdomen with a slice thickness below 5 mm suffers from high image noise and blurring. The purpose of this pros...

  • Article
  • Open Access
1 Citations
3,133 Views
42 Pages

Getting Hold of the Tobamovirus Particle—Why and How? Purification Routes over Time and a New Customizable Approach

  • Tim Wendlandt,
  • Beate Britz,
  • Tatjana Kleinow,
  • Katharina Hipp,
  • Fabian J. Eber and
  • Christina Wege

30 May 2024

This article develops a multi-perspective view on motivations and methods for tobamovirus purification through the ages and presents a novel, efficient, easy-to-use approach that can be well-adapted to different species of native and functionalized v...

  • Article
  • Open Access
4 Citations
2,700 Views
10 Pages

A Track-and-Hold Circuit with Tunable Non-Linearity and a Calibration Loop for PAM-8 SerDes Receivers

  • Alessio Di Pasquo,
  • Enrico Monaco,
  • Nicola Ghittori,
  • Claudio Nani and
  • Luca Fanucci

In this brief, we propose a 60 GS/s high-linearity two-stage 8 × 8 time-interleaved track-and-hold circuit where it is possible to tune the static non-linearities of the second-stage buffer by applying a proper bias voltage. This allows us to m...

  • Article
  • Open Access
3 Citations
10,613 Views
19 Pages

6 March 2025

Fermented milk products, such as yogurt, undergo significant changes in their physicochemical, sensory, textural, and rheological properties based on fermentation time and storage. This study investigated how different fermentation times (4, 5, 6, 7,...

  • Article
  • Open Access
5 Citations
3,125 Views
26 Pages

Unbeknownst to the public, most investment funds actually underperform the broader market. Yet, millions of individual investors fare even worse, barely treading water. Algorithmic trading now accounts for over 80% of all trades and is the domain of...

  • Article
  • Open Access
7 Citations
7,910 Views
25 Pages

It is an open secret that most investment funds actually underperform the market. Yet, millions of individual investors fare even worse, barely treading water. Algorithmic trading is now so common, it accounts for over 80% of all trades and is the do...

  • Article
  • Open Access
5 Citations
4,731 Views
16 Pages

A 12-Bit 1-GS/s Pipelined ADC with a Novel Timing Strategy in 40-nm CMOS Process

  • Fangyuan Xu,
  • Xuan Guo,
  • Zeyu Li,
  • Hanbo Jia,
  • Danyu Wu and
  • Jin Wu

12 February 2023

This paper presents a 1-GS/s12-bit pipelined analog-to-digital converter (ADC) fabricated in 40-nm CMOS technology that optimizes the settling time, bit error rate, and robustness. This ADC uses an improved timing called pre-quantization timing (PQT)...

  • Communication
  • Open Access
266 Views
9 Pages

Measurement and Modeling of Residence Time Distribution in a G-06 ImhoflotTM Cell

  • Ahmad Hassanzadeh,
  • Mustafa Guner,
  • Ekin Gungor,
  • Doruk Drunesil and
  • Asghar Azizi

16 December 2025

Although intensified flotation cells have been introduced as fast-kinetic and plug-flow-type flotation machines, there is limited empirical verification and information about their fluid flow patterns and dispersion regimes. The present communication...

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