نتایج جستجو برای: peak floor acceleration pfa

تعداد نتایج: 218616  

2007
P. B

PFA was not different with shaded vs. exposed limbs of the same trees nor between shaded interior trees and outside ones with high light exposure. Tehama trees expressed lower PFA than adjacent Serre PFA of Tehama was also low at a site where Serr trees (removed 1982) had very high drop the previous three years. Fruitfulness of all monitored limbs in 1982 ranged from 6 to 97% and the earlier co...

Journal: :Sustainability 2023

Multi-story, reinforced-concrete (RC) building structures with soft stories are highly vulnerable to damage due earthquake loads. The story causes a significant stiffness irregularity, which has led numerous buildings collapsing in previous seismic events. In addition the structural collapse, failure of non-structural components (NSCs) also been observed during past earthquakes. light this, thi...

Journal: :Arteriosclerosis, thrombosis, and vascular biology 2009
Ricardo Villa-Bellosta Víctor Sorribas

OBJECTIVE The role of inorganic phosphate in the pathogenesis of vascular calcification (VC) has been studied extensively in recent years. Phosphonoformic acid (PFA), an inhibitor of type II Pi transporters, has been traditionally used to study the involvement of Pi transport in VC, because PFA also prevents calcium deposition in vitro. However, aortic vascular smooth muscle cells (VSMCs) only ...

2012
Ralf Karger Karoline Reuter Jochen Rohlfs Christopher Nimsky Ulrich Sure Volker Kretschmer

We investigated whether the inclusion of the PFA-100 in the preoperative screening of neurosurgical patients might reduce perioperative bleeding complications. Patients with intracranial space-occupying lesions who were scheduled for neurosurgery underwent routine preoperative PFA-100 testing. In case of an abnormal PFA test, patients received prophylactic treatment with desmopressin. 93 consec...

2011
Justin Tatch Moore Giorgio Venturi

In these notes we will present an exposition of the Proper Forcing Axiom (PFA). We will first discuss examples of the consequences of PFA. We will then present two proper partial orders which are used to force two combinatorial principles which follow from PFA: The P-Ideal Dichotomy (PID) and Todorcevic’s formulation of the Open Coloring Axiom. On one hand, these posets and the proofs of their ...

Journal: :Antimicrobial agents and chemotherapy 1978
S Alenius Z Dinter B Oberg

When applied topically, trisodium phosphonoformate (PFA) displayed activity against established cutaneous herpesvirus infections in guinea pigs similar to that exhibited by the closely related phosphonoacetic acid (PAA); however, unlike PAA, PFA was not locally skin irritating. The therapeutic benefits of topical application of PFA were clearly evident when application was delayed for 48 h afte...

ژورنال: ژئوفیزیک ایران 2019

There are valuable investigations on the amplification effects of the topography on the seismic response in the frequency domain; however, a question is that how one can estimate the amplification of time domain peak ground acceleration (PGA), peak ground velocity (PGV), and peak ground displacement (PGD) over the topographic structures. In this study, the numerical approach has been used for t...

Journal: :Energies 2021

The purpose of this study is to evaluate the optimal earthquake intensity measures (IMs) for probabilistic seismic demand models (PSDMs) base-isolated nuclear power plant (NPP) structures. numerical model NPP structures developed using a lumped-mass stick model, in which bilinear employed simulate force-displacement relations base isolators. In study, 20 different IMs are considered and 90 grou...

اخیانی, مینا, جهانگیری, فاضل, رضایی پندری, محمد, مسعودی, رضا, نیکنام, علیرضا,

In this paper, electron acceleration in the field of laser pulse is investigated. To limit the interaction region for electron pulse, which is required for acceleration, a new method is presented based on the injection of electron on temporal peak of the laser pulse. In this method, the electron is provided by a plasma source and is steered inside the laser field by utilizing the magnetic field...

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