نتایج جستجو برای: ppp models

تعداد نتایج: 911235  

Journal: :Algorithms 2011
Tom Burr Toshihiko Kawano Patrick Talou Feng Pan Nicolas W. Hengartner

Generalized least squares (GLS) for model parameter estimation has a long and successful history dating to its development by Gauss in 1795. Alternatives can outperform GLS in some settings, and alternatives to GLS are sometimes sought when GLS exhibits curious behavior, such as in Peelle’s Pertinent Puzzle (PPP). PPP was described in 1987 in the context of estimating fundamental parameters tha...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه الزهراء - دانشکده علوم اجتماعی و اقتصادی 1391

هدف این پایان نامه بررسی پویایی نامتقارن نرخ ارز در چارچوب برقراری فرضیه ppp برای کشور ایران می باشد. ما از آزمون همگرایی آستانه ای لحظه ای که اخیراَ ارائه شده است و اندرس و سیکلوس (2001) آن را توسعه دادند استفاده می کنیم. نخست، تعیین می کنیم آیا ppp بلندمدت برای ایران طی سال های 1339تا 1390برقرار است، که برای این کار ابتدا از آزمون همگرایی متقارن انگل و گرنجر استفاده می کنیم. سپس از دو الگوی خو...

2003
Mark Loewenstein Jaeyoung Sung

We extend and unify existing international asset pricing models for perfect capital markets by allowing both exchange rates and inflation rates to be stochastic and investors to consume both tradable and nontradable goods. We argue that in the presence of stochastic inflation and exchange rates, the Adler-Dumas’ [1983] inflation-rate differential risks can be related neither to PPP deviation ri...

Journal: :Investigative ophthalmology & visual science 2008
Mario A Economou Sandra Andersson Diana Vasilcanu Charlotta All-Ericsson Eline Menu Ada Girnita Leonard Girnita Magnus Axelson Stefan Seregard Olle Larsson

PURPOSE The cyclolignan picropodophyllin (PPP) efficiently blocks the activity of insulin-like growth factor-1 receptor (IGF-1R) and inhibits growth of uveal melanoma cells in vitro and in vivo. In this study, we aimed to investigate the efficiency of orally administered PPP on growth of uveal melanoma xenografts. Further, we focused on the effect of PPP on vascular endothelial growth factor (V...

2017
MUNEHIRO KOSUGI KAZUYUKI ISHIHARA KATSUJI OKUDA

Pustulosis palmaris et plantaris (PPP) is a chronic relapsing skin disease characterized by sterile intraepidermal pustules and, usually, by scaly erythematous skin on the palm, soles, or both. To determine the primary pathogenic factors involved in the onset of PPP, we analyzed the implications of heat shock proteins (HSPs), which are highly conserved immunogenic proteins, chronic microbial in...

Journal: :Scandinavian journal of trauma, resuscitation and emergency medicine 2016
Ji Young Jang Hongjin Shim Pil Young Jung Seongyup Kim Keum Seok Bae

BACKGROUND The mortality rate of patients with hemodynamic instability due to severe pelvic fracture is reported to be 40-60% despite a multidisciplinary treatment approach. Angioembolization and external fixation of the pelvis are the main procedures used to control bleeding in these patients. Several studies have shown that preperitoneal pelvic packing (PPP) is effective for hemorrhage contro...

2014
Masamoto Murakami Takaaki Kaneko Teruaki Nakatsuji Kenji Kameda Hidenori Okazaki Xiuju Dai Yasushi Hanakawa Mikiko Tohyama Akemi Ishida-Yamamoto Koji Sayama Paul Proost

"Pustulosis palmaris et plantaris", or palmoplantar pustulosis (PPP), is a chronic pustular dermatitis characterized by intraepidermal palmoplantar pustules. Although early stage vesicles (preceding the pustular phase) formed in the acrosyringium contain the antimicrobial peptides cathelicidin (hCAP-18/LL-37) and dermcidin, the details of hCAP-18/LL-37 expression in such vesicles remain unclear...

Journal: :Acta dermato-venereologica 2007
Eva Hagforsen Håkan Hedstrand Johan Rönnelid Bo Nilsson Gerd Michaëlsson

Palmoplantar pustulosis (PPP) is considered to be a variant of psoriasis, although recently it has been shown to be genetically different from psoriasis vulgaris (1). The majority of patients with PPP are women and smokers. The final target for inflammation in this condition is the palmoplantar sweat duct (2, 3), but the mechanisms underlying the inflammation are poorly characterized. PPP patie...

Journal: :The British journal of ophthalmology 1998
T Malet B Challier N David A Bertrand J L George

BACKGROUND/AIM Isolated stenosis of the lacrimal punctum is a frequent cause of epiphora. Treatment relies on surgical opening or dilatation with bi- or monocanalicular prosthesis. Recently, silicone perforated punctum plugs (PPP) were proposed. The drawback with these silicone PPP was that secretions accumulate in the central orifice blocking the spontaneous flow of tears. A modification of th...

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