Results 31 to 40 of about 565,129 (288)

A New First-Order Integer-Valued Autoregressive Model with Bell Innovations

Entropy, 2021
A Poisson distribution is commonly used as the innovation distribution for integer-valued autoregressive models, but its mean is equal to its variance, which limits flexibility, so a flexible, one-parameter, infinitely divisible Bell distribution may be ...
Jie Huang, Fukang Zhu
doaj   +1 more source

Effect of prior tree marking, thinning method and topping diameter on harvester performance in a first thinning operation – a field experiment

Silva Fennica, 2019
The effect of harvester operator tree selection or prior tree marking in thinning operations on satisfactory results and performance has been widely discussed.
Franz Holzleitner, Magdalena Langmaier, Eduard Hochbichler, Bernhardt Obermayer, Karl Stampfer, Christian Kanzian   +5 more
doaj   +1 more source

Estimation for random coefficient integer-valued autoregressive model under random environment

Advances in Difference Equations, 2019
A first-order random coefficient integer-valued autoregressive model based on the negative binomial thinning operator under r states random environment is introduced.
Yan Cui, Yun Y. Wang
doaj   +1 more source

Correlation function of thin-shell operators

Journal of High Energy Physics
A bstract In this study, we explore the correlation functions of thin-shell operators, represented semiclassically by a homogeneous, thin interface of dust particles. Employing the monodromy method, we successfully compute the contribution from the Virasoro vacuum block and ...
Bin Chen, Yuefeng Liu, Boyang Yu
openaire   +4 more sources

A Flexible Bivariate Integer-Valued Autoregressive of Order (1) Model for Over- and Under-Dispersed Time Series Applications

Stats
In real-life inter-related time series, the counting responses of different entities are commonly influenced by some time-dependent covariates, while the individual counting series may exhibit different levels of mutual over- or under-dispersion or mixed
Naushad Mamode Khan, Yuvraj Sunecher
doaj   +1 more source

Silvicultural regimes and early biomass thinning in young, dense pine stands [PDF]

, 2013
The aim of this work was to determine how early management activities in young, dense pine forests affect tree and stand characteristics and profitability and to assess the future potential for tree biomass harvesting and use.
Karlsson, Lars
core   +1 more source

Paclitaxel induces NM2‐dependent cellular contraction through GEF‐H1 dissociation from microtubules and RhoA/ROCK activation in cancer cells

Molecular Oncology, EarlyView.
Taxanes are widely used chemotherapeutics whose effects on cellular mechanics remain poorly understood. We show that paclitaxel induces rapid cellular contraction by promoting GEF‐H1 dissociation from microtubules and non‐muscle myosin II activation through RhoA/ROCK.
Gloria Asensio‐Juárez, Rafael Pérez‐Díaz, Hugo Ramos‐Solano, Marina Garrido‐Casado, Vanessa C. Talayero, Miguel Vicente‐Manzanares   +5 more
wiley   +1 more source

From energy provision to protein synthesis: Tunnelling nanotubes as mediators of intercellular metabolic cooperation in cancer

FEBS Open Bio, EarlyView.
The cytoskeleton‐mediated transport of mitochondria via tunnelling nanotubes restores respiration, increases ATP production, rescues cells from apoptosis, activates the AKT/mTOR signalling pathway, promotes cell migration and invasiveness, contributes to cancer progression and treatment resistance.
Stanislava Martínková, Jan Trnka
wiley   +1 more source

Comparison of energy-wood and pulpwood thinning systems in young birch stands [PDF]

, 2011
In early thinnings, a profitable alternative to pulpwood could be to harvest whole trees as energy-wood. In theoretical analyses, we compared the extractible volumes of energy-wood and pulpwood, and their respective gross values in differently aged ...
Kroon, Anders, Dan Bergström, Tomas Nordfjell, Fulvio Di Fulvio, Bergström, Dan, Anders Kroon, Nordfjell, Tomas, Di Fulvio, Fulvio, Di Fulvio, Fulvio,, Sveriges lantbruksuniversitet., Swedish University of Agricultural Sciences., Nordfjell, Tomas,, Bergström, Dan,   +12 more
core   +1 more source

Malformin A1–mediated cytotoxicity in ovarian cancer cells occurs through pyroptosis and autophagy

FEBS Open Bio, EarlyView.
This study investigated the effects of the natural compound Malformin A1 (MA1) on the cytoskeleton that regulates cell proliferation and migration. Disruption of the cytoskeleton can impair these processes and promote cancer cell death. MA1 disrupted cytoskeletal organization, induced DNA damage, inflammation, activated autophagy, and pyroptosis ...
Nada Abdullah Hassan, Ikram A. Burney, Shika Hanif Malgundkar, Siva Ramamoorthy, Ressin Varghese, Mohamed A. Al‐Kindi, Hamad Al Riyami, Shadia Al Bahlani, Sergey Dobretsov, Syed Imran Hassan, Benjamin K. Tsang, Yahya Tamimi   +11 more
wiley   +1 more source