Results 111 to 120 of about 667,394 (343)

A Novel Two‐Stage Flexible Flow Shop Batch Scheduling Model for Grinding Workshops

Naval Research Logistics (NRL), EarlyView.
ABSTRACT The growing need for data storage in data centers has increased the demand for mechanical hard disks due to their low cost and high reliability. Aluminum substrates are the most popular base plates for mechanical hard disks because of their high hardness and low cost.
Jun Xu, Xuanru Pan, Chao‐Bo Yan, Guo‐Qiang Fan, Zhixin Liu   +4 more
wiley   +1 more source

Biogeography and diversification patterns in the Irano‐Turanian biodiversity hotspots inferred from a molecular phylogeny of the subendemic Iris subgenus Scorpiris (Iridaceae)

Nordic Journal of Botany, EarlyView.
The Irano‐Turanian Floristic Region harbors a rich flora, but our understanding of the development of this diversity is limited by a lack of data on phylogenetic relationships and biogeographic patterns of endemic and more widespread plants. Hypotheses of in situ diversification versus allopatric diversification were tested using Iris subgen. Scorpiris,
Mona Salimbahrami, Hojjatollah Saeidi, Ali Bagheri, Carol A. Wilson, Gerald M. Schneeweiss   +4 more
wiley   +1 more source

First passage processes in Queuing system MX/Gr/1 with service delay discipline

International Journal of Mathematics and Mathematical Sciences, 1994
This article deals with a general single-server bulk queueing system with a server waiting until the queue will reach level r before it starts processing customers.
Lev Abolnikov, Jewgeni H. Dshalalow, Alexander M. Dukhovny   +2 more
doaj   +1 more source

Markov-Switching models and resultant equity implied volatility surfaces: a South African application

, 2012
Includes bibliographical references.Standard Geometric Brownian Motion is the stock model underlying Black-Scholes famous option pricing formula. There are however numerous problems with this stock model as certain features do not follow some empirical ...
Fairbrother, Mark
core  

Both density‐ and frequency‐dependent effects determine plant growth in a dune heath ecosystem

Oikos, EarlyView.
We tested the hypothesis that both density‐ and frequency‐dependent interactions play important roles in determining plant growth in a dune heath ecosystem at several levels of available nitrogen. Plant growth was measured using the pin‐point method in a five‐block experiment with four nitrogen levels.
Christian Damgaard, Mathias Emil Kaae, Jacob Weiner, Jesper Leth Bak   +3 more
wiley   +1 more source

Remaining useful life prediction for engineering systems under dynamic operational conditions: A semi-Markov decision process-based approach

Chinese Journal of Aeronautics, 2019
For critical engineering systems such as aircraft and aerospace vehicles, accurate Remaining Useful Life (RUL) prediction not only means cost saving, but more importantly, is of great significance in ensuring system reliability and preventing disaster ...
D. Tang, Jinrong Cao, Jinsong Yu
semanticscholar   +1 more source

multi-state non-homogeneous semi-markov model of daily activity type, timing and duration sequence [PDF]

Understanding travelers' daily travel-activity pattern formation is an important issue for activity-based travel demand analysis. The activity pattern formation concerns not only complex interrelations between household members and individual's socio ...
Charles Raux, Eric Cornelis, Iragaël Joly, Tai-Yu Ma   +3 more
core  

Bridging Human and Plant Adaptations for Climate Resilience

PLANTS, PEOPLE, PLANET, EarlyView.
Climate change is transforming agriculture through both gradual shifts and increasingly unpredictable extremes, challenging farmers' ability to protect crops and livelihoods. This study brings together farmer experiences and plant adaptation strategies to explore how people and plants respond to similar climate pressures.
Nicola Favretto, Heng Lim Tan, Gemma Brain, Daphne Ezer   +3 more
wiley   +1 more source

Semi‐mechanistic population PK/PD model to aid clinical understanding of myelodysplastic syndromes following treatment with Venetoclax and Azacitidine

CPT: Pharmacometrics &Systems Pharmacology, Volume 14, Issue 3, Page 448-459, March 2025.
Abstract Myelodysplastic syndromes (MDS) represent a group of bone marrow disorders involving cytopenias, hypercellular bone marrow, and dysplastic hematopoietic progenitors. MDS remains a challenge to treat due to the complex interplay between disease‐induced and treatment‐related cytopenias.
Neha Thakre, Corinna Maier, Jiuhong Zha, Benjamin Engelhardt, Johannes E. Wolff, Sven Mensing   +5 more
wiley   +1 more source

Research of reliability and efficiency of technological processes of mechanical assembly production on the basis of the common semi-Markov model

MATEC Web of Conferences, 2018
In the article a common semi-Markov mathematical model is considered that allows one to investigate the productivity and reliability of various technological processes of mechanical assembly production.
Rapatskiy Yuri, Zamorenov Mikhail, Kopp Vadim, Obzherin Yuri, Gusev Vladimir, Lipka Victoria   +5 more
doaj   +1 more source