搜索结果: 46-60 共查到“理学 stress”相关记录284条 . 查询时间(0.05 秒)
Relaxation phenomena of electrical signal emissions from rock following application of abrupt mechanical stress
mechanical stress PSC amphibolite
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2015/8/24
The emission of electrical signals during application of mechanical stress to brittle geo-materials (the so-called pressure-stimulated current; PSC) can provide significant information regarding the m...
Sicily and southern Calabria focal mechanism database: a valuable tool for local and regional stress-field determination
Focal mechanisms Local seismic network Stress field
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2015/8/18
In this work, we present a new catalog of focal mechanisms calculated for earthquakes recorded in Sicily and southern Calabria. It comprises about 300 solutions, for events with magnitudes ranging fro...
Empirical relationships of shear wave velocity,SPT-N value and vertical effective stress for different soils in Mashhad,Iran
Shear wave velocity Vertical effective stress Standard penetration test Downhole test, Empirical relations Mashhad Iran
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2015/8/14
Shear wave velocity, Vs, is one of the important input parameters in seismic response analysis of the ground. Various methods have been examined to measure the soil Vs directly. Direct measurement of ...
Coral Tissue Thickness as a Bioindicator of Mine-Related Turbidity Stress on Coral Reefs at Lihir Island,Papua New Guinea
Coral Tissue Thickness Bioindicator Mine-Related Turbidity Stress Coral Reefs Lihir Island Papua New Guinea
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2015/7/15
Work described here assessed the feasibility of using variations in tissue thickness in massive Porites corals as a bioindicator for mine-related sediment stress. We examined parameters influencing co...
Ground Response in Lotung:Total Stress Analyses and Parametric Studies
Stress analysis Bounding surface Finite element method Ground motion Plasticity
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2015/7/1
Previous papers have reported on the performance of a recently developed nonlinear ground response analysis code, SPECTRA, with reference to the prediction of the free-field response at a Large-Scale ...
THE MECHANISMS REGULATING THE TRANSCRIPTION FACTOR ATF5 AND ITS FUNCTION IN THE INTEGRATED STRESS RESPONSE
ATF5 stress uORF
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2015/5/25
Phosphorylation of eukaryotic initiation factor 2 (eIF2) is an important mechanism regulating global and gene-specific translation during different environmental stresses. Repressed global translation...
Transcriptional regulation of ATF4 is critical for controlling the Integrated Stress Response during eIF2 phosphorylation
Transcriptional regulation ATF4
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2015/5/25
In response to different environmental stresses, phosphorylation of eIF2 (eIF2P) represses global translation coincident with preferential translation of ATF4. ATF4 is a transcriptional activa...
mTORC1 contributes to ER stress induced cell death
LAM Bortezomib Rapamycin
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2015/5/25
Patients with the genetic disorder tuberous sclerosis complex (TSC) suffer from neoplastic growths in multiple organ systems. These growths are the result of inactivating mutations in either the TSC1 ...
Myeloid cells induce neurofibromatosis type 1 aneurysm formation through inflammation and oxidative stress
Oxidative Stress cre/lox Murine Model Aneurysm
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2015/5/25
Neurofibromatosis Type 1 (NF1) is a genetic disorder resulting from mutations in the NF1 tumor suppressor gene. Neurofibromin is the protein product of NF1 and functions as a negative regulator of Ras...
The integrated stress response directs cell fate decisions in response to perturbations in protein homeostasis
diabetes cancer
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2015/5/25
Disruptions of the endoplasmic reticulum (ER) cause perturbations in protein folding and result in a cellular condition known as ER stress. ER stress and the accumulation of unfolded protein activate ...
Signaling mechanisms that suppress the anabolic response of osteoblasts and osteocytes to fluid shear stress
Mechanotransduction Osteoblast Osteocyte
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2015/5/22
Bone is a dynamic organ that responds to its external environment. Cell signaling cascades are initiated within bone cells when changes in mechanical loading occur. To describe these molecular signali...
The role of the Borrelia oxidative stress regulator protein in virulence gene expression of the Lyme disease spirochete
Borrelia burgdorferi, BosR RpoS
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2015/5/21
The Lyme disease agent, Borrelia burgdorferi, has a complex system that allows it to thrive in the harsh and distinct environments of its tick vector and mammalian host. Although it has been known for...
Stress Detection and Classification of Laying Hens by Sound Analysis
Laying Hens Stress Recognition Sound Analysis Monitoring System
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2016/5/18
Stress adversely affects the wellbeing of commercial chickens, and comes with an economic cost to the industry that cannot be ignored. In this paper, we first develop an inexpensive and non-invasive, ...
Even at a molecular level, taking it slow helps us cope with stress（图）
a molecular level taking it slow helps cope with stress
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2015/3/25
UC Berkeley scientists have identified a new molecular pathway critical to aging, and confirmed that the process can be manipulated to help make old blood like new again.The researchers found tha...
Implementation and comparison of a suite of heat stress metrics within the Community Land Model version 4.5
Implementation and comparison stress
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2015/3/5
. We implement and analyze 13 different metrics
(4 moist thermodynamic quantities and 9 heat stress metrics)
in the Community Land Model (CLM4.5), the land surface
component of the Community Earth ...