Results 21 to 30 of about 3,625,366 (264)

Morphology, photosynthetic physiology and biochemistry of nine herbaceous plants under water stress

open access: yesFrontiers in Plant Science, 2023
Global climate warming and shifts in rainfall patterns are expected to trigger increases in the frequency and magnitude of drought and/or waterlogging stress in plants. To cope with water stress, plants develop diverse tactics.
Qiaoyu Luo   +17 more
doaj   +1 more source

Bending Fretting Fatigue Characteristics of 18CrNiMo7-6 Alloy Steel

open access: yesCailiao gongcheng, 2017
A series of bending fretting fatigue tests of 18CrNiMo7-6 alloy steel were carried out, the bending fretting fatigue S-N curve was built up, and an analysis was made on the test results.
SHEN Yan-tuan   +5 more
doaj   +1 more source

Exploiting ecology in drug pulse sequences in favour of population reduction. [PDF]

open access: yesPLoS Computational Biology, 2017
A deterministic population dynamics model involving birth and death for a two-species system, comprising a wild-type and more resistant species competing via logistic growth, is subjected to two distinct stress environments designed to mimic those that ...
Marianne Bauer   +4 more
doaj   +1 more source

The application of Markov-Switching Model to Examine the Relationship between Commodity Prices and ASEAN+3 countries’ financial instability [PDF]

open access: yesInternational Journal of New Political Economy
This study investigates the nonlinear and regime-dependent relationship and causal link between financial stress in ASEAN+3 economies and global commodity price fluctuations over the period 1995:1–2023:8, using the Markov-Switching Vector Error ...
Fahmideh Fattahi   +2 more
doaj   +1 more source

From Quasi-static to Intermediate Regimes in Shear Cell Devices: Theory and Characterisation

open access: yesKONA Powder and Particle Journal, 2020
The design of new technology for processing and manufacturing particulate products requires understanding granular rheology over a broad range of conditions.
Victor Francia   +3 more
doaj   +1 more source

Effect of drought stress and maternal growth conditions on germination and seedling growth of wild oat (Avena ludoviciana) [PDF]

open access: yesعلوم و فناوری بذر ایران, 2017
Because of the importance of the role of maternal environment during seed development on germination of produced seed and seedling establishment an experiment in a randomized complete block design base as a factorial was conducted to evaluate effects of ...
A. Nezami, H.R. Khazaie, A.R. Barjasteh
doaj   +1 more source

Spatiotemporal variations in the stress field in the northeasternmost part of the NE Japan arc: constraints from microearthquakes

open access: yesEarth, Planets and Space, 2020
We determined focal mechanism solutions of microearthquakes and examined the stress field in the low-seismicity region from southern Hokkaido to eastern Aomori, NE Japan.
Sumire Maeda   +6 more
doaj   +1 more source

Single asperity friction in the wear regime

open access: yesFriction, 2018
We used molecular dynamics simulation to investigate the friction of a single asperity against a rigid substrate, while generating debris. In the low wear regime (i.e., non-linear wear rate dependence on the contact stress, via atom-by-atom attrition ...
Yongjian Yang, Yunfeng Shi
doaj   +1 more source

Correlation of crack growth rate and stress ratio for fatigue damage containing very high cycle fatigue regime

open access: yes, 2012
A model is proposed to correlate the crack growth rate and stress ratio containing very high cycle fatigue regime. The model is verified by the experimental data in literature.
孙成奇, 洪友士
core   +1 more source

Leading indicators of financial stress in Croatia: a regime switching approach

open access: yesPublic Sector Economics, 2023
This research focuses on the prediction of the probability of (re)entering high financial stress (via a large set of cyclical risk accumulation indicators).
Tihana Skrinjaric
doaj   +1 more source

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