نتایج جستجو برای: cyclic regression

تعداد نتایج: 413986  

Journal: :international journal of civil engineering 0
s.h.r. kargar ph.d candidate, iran university of science and technology and islamic azad university-kermanshah branch h. shahnazari assistant professor, collage of civil engineering, iran university of science and technology h. salehzadeh assistant professor, collage of civil engineering, iran university of science and technology

in this study, a researching program is conducted by cyclic triaxial test to determine the post-cyclic behavior of bushehr carbonate sand retrieved from the north of the persian gulf, under anisotropic consolidation at 200 kpa confining pressure. the article compares the post-cyclic monotonic strength and excess pore water pressures generated after the test with the pre-cyclic monotonic results...

Journal: :Croatian medical journal 2000
B D Dimitrov

AIM To analyze temporal dynamics and model trends and variations of the annual incidence rates of stomach cancer in the North-Western Region of England. METHODS The data consisted of 23,465 new cases of stomach cancer as provided by the population-based registry of the Centre for Cancer Epidemiology (Manchester, England, UK). The parameter studied was the annual incidence rate of stomach canc...

Journal: :international journal of civil engineering 0
arash nayeri kazem fakharian

abstract: this paper presents the results of pullout tests on uniaxial geogrid embedded in silica sand under monotonic and cyclic pullout forces. the new testing device as a recently developed automated pullout test device for soil-geogrid strength and deformation behavior investigation is capable of applying load/displacement controlled monotonic/cyclic forces at different rates/frequencies an...

Journal: :British journal of pharmacology 1977
S P Canfield B P Curwain J Spencer

1 The rate of acid secretion and mucosal cyclic adenosine 3',5'-monophosphate (cyclic AMP) content have been measured on the same guinea-pig isolated stomach preparation in response to histamine, theophylline and ICI 63197, a potent phosphodiesterase inhibitor. 2 Unstimulated control tissues had a spontaneous rate of acid secretion of 74.41 +/- 9.06 mumol H+/g wet wt. of mucosa per hour (s.e. m...

Journal: :international journal of civil engineering 0
h. soltani-jigheh a. soroush

this paper presents the results of a series of monotonic and post-cyclic triaxial tests carried out on a clay specimen and three types of clay-sand mixed specimens. the focus of the paper is on the post-cyclic mechanical behavior of the mixed specimens, as compared to their monotonic behavior. analyses of the tests results show that cyclic loading degrade undrained shear strength and deformatio...

2015
Fatemeh Shobeiri Khodayar Oshvandi Mansour Nazari

BACKGROUND Recent attempts have been focused on employing chemical and natural supplemental agents for treatment of cyclic mastalgia. Among various agents, the potential effects of vitamins remain questionable. In the present study, we examined the efficacy of two types of these vitamin supplements (vitamin E and vitamin B6) in improving pain severity in cyclic mastalgia. MATERIALS AND METHOD...

Journal: :Epidemiology and infection 2015
B D Dimitrov E S Babayev

Multicomponent cyclicity in influenza (flu) incidence had been observed in various countries (e.g. periods T = 1, 2-3, 5-6, 8·0, 10·6-11·3, 13, 18-19 years) and its close similarity with cycles in natural environmental phenomena as meteorological factors and heliogeophysical activity (HGA) suggested. This report aimed at verifying previous results on cyclic patterns of flu incidence by explorin...

Journal: :international journal of civil engineering 0
h. soltani-jigheh amirkabir university of technology a. soroush amirkabir university of technology

mixed clayey soils occur as mixtures of sand (or gravel) and clay in widely varying proportions. their engineering behavior has not been comprehensively studied yet. an experimental program, comprising monotonic, cyclic, and post-cyclic triaxial tests was undertaken on compacted clay-granular material mixtures, having different proportions of clay and sand or gravel. this paper presents the res...

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