نتایج جستجو برای: freezing stress

تعداد نتایج: 455158  

Journal: :Neurobiology of learning and memory 2012
Maria Toledo-Rodriguez Alain Pitiot Tomáš Paus Carmen Sandi

Adolescence is characterized by major developmental changes that may render the individual vulnerable to stress and the development of psychopathologies in a sex-specific manner. Earlier we reported lower anxiety-like behavior and higher risk-taking and novelty seeking in rats previously exposed to peri-pubertal stress. Here we studied whether peri-pubertal stress affected the acquisition and e...

Seyede Fatemeh Moosavi Sardoo

In order to finding cultivars with high yield and compatible with potato in the form of fall cultivation in jiroft area, an experiment in randomized complete block design with three replication, was done in Jiroft agricultural research center in 2013. In this experiment height plant, No. Stem, Tuber diameter, Tuber weight/plant, No. tuber and yield were examined. Effect Prevent Freezing Cropaid...

Seyede Fatemeh Moosavi Sardoo

In order to finding cultivars with high yield and compatible with potato in the form of fall cultivation in jiroft area, an experiment in randomized complete block design with three replication, was done in Jiroft agricultural research center in 2013. In this experiment height plant, No. Stem, Tuber diameter, Tuber weight/plant, No. tuber and yield were examined. Effect Prevent Freezing Cropaid...

Journal: :The Cryosphere 2021

Abstract. The flexural strength of ice surfaces bonded by freezing, termed freeze bond, was studied performing four-point bending tests freshwater S2 columnar-grained samples in the laboratory. were prepared milling two pieces, wetting with water varying salinity, bringing these together, and then letting them under a compressive stress about 4 kPa. salinity used for to generate bond varied fro...

E. Dirandeh M. Behroozlak N. Hedayat Evrigh V. Vahedi,

Oxidative stress during freezing-thawing reduces sperm motility, viability, membrane functions and antioxidant capacity. Thymus vulgaris has antioxidant properties due to phenolic compounds. The purpose of current study was to evaluate the effect of Thymus vulgaris extract as a natural antioxidant on post-thawed Moghani ram sperm quality. Semen samples were collected twice a week from four rams...

Journal: :Plant physiology 2001
M F Thomashow

Due to its intrinsically interesting nature and importance to agriculture, considerable effort has been directed at understanding the phenomenon of “cold acclimation,” the process whereby certain plants increase in freezing tolerance upon exposure to low temperature. By 1980, thousands of research articles had been published on the topic and significant insights had been gained, including the f...

2008

ABA, a phytohormone, regulates many agronomically important aspects of plant growth and development, including seed maturation, dormancy and stress tolerance (Finkelstein et al. 2002). During vegetative growth, endogenous ABA levels increase upon conditions of water stress, and ABA acts as an essential mediator in triggering the plant response to these adverse environmental stresses (Finkelstei...

Journal: :Neuroscience 2011
A A Wilber A G Walker C J Southwood M R Farrell G L Lin G V Rebec C L Wellman

Chronic restraint stress produces morphological changes in medial prefrontal cortex and disrupts a prefrontally mediated behavior, retrieval of extinction. To assess potential physiological correlates of these alterations, we compared neural activity in infralimbic and prelimbic cortex of unstressed versus stressed rats during fear conditioning and extinction. After implantation of microwire bu...

Journal: :Geofluids 2022

This paper reviews the history of research development on coupling mechanism multiphysical field, e.g., thermo-hydro-mechanical (THM), for frozen soil. The objective is to deepen current understanding theories and field in soil dynamic changes temperature, moisture, stress fields during freezing. A new differential equation temperature moisture proposed. Based DiscreteFrechetDist algorithm, a f...

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