نتایج جستجو برای: f51

تعداد نتایج: 51  

Journal: :Applied and environmental microbiology 2007
Hong Jiang Chao Yang Hong Qu Zheng Liu Q S Fu Chuanling Qiao

A soil bacterium capable of metabolizing organophosphorus compounds by reducing the P S group in the molecules was taxonomically identified as Klebsiella sp. strain F51-1-2. The gene involved in the reduction of organophosphorus compounds was cloned from this strain by the shotgun technique, and the deduced protein (named AKR5F1) showed homology to members of the aldo-keto reductase (AKR) super...

2014
In Su Cheon Byoung-Shik Shim Sung-Moo Park Youngjoo Choi Ji Eun Jang Dae Im Jung Jae-Ouk Kim Jun Chang Cheol-Heui Yun Man Ki Song

Respiratory syncytial virus (RSV) is a major cause of respiratory tract infection in infants and young children worldwide, but currently no safe and effective vaccine is available. The RSV G glycoprotein (RSVG), a major attachment protein, is an important target for the induction of protective immune responses during RSV infection. However, it has been thought that a CD4+ T cell epitope (a.a. 1...

2006
Solomon W. Polachek Carlos Seiglie IZA Bonn

Trade, Peace and Democracy: An Analysis of Dyadic Dispute At least since 1750 when Baron de Montesquieu declared "peace is the natural effect of trade," a number of economists and political scientists espoused the notion that trade among nations leads to peace. Employing resources wisely to produce one commodity rather than employing them inefficiently to produce another is the foundation for c...

2013
Qianru Song

Poor rule of law is usually a binding constraint for foreign investment and lending. But recently Chinese firms disproportionally invest overseas in countries with weak institutions. How do they manage this exposure? Our model appeals to China’s buying power as importer and also to its within-country coordination to act like a single agent. These two factors allow China to credibly commit to si...

2010
Yan Bai Jing Zhang

Sovereign debt renegotiations take an average of nine years for bank loans but only one year for bonds. Our paper provides an explanation to this finding by highlighting one key difference between bank loans and bonds: bank debt is rarely traded, while bond debt is heavily traded on the secondary market. The secondary market plays a crucial information revelation role in shortening renegotiatio...

ژورنال: تحقیقات اقتصادی 2020

خلق نقدینگی یکی از نقش‌هایی است که بانک‌ها در قالب تئوری واسطه‌گری مالی ایفا می‌کنند و مؤلفه‌های آن به‏طور نظری با اقتصاد در ارتباط هستند. در این مطالعه با استفاده از روش برگر و باومن (2009)، که شاخصی را برای اندازه‌گیری خلق نقدینگی معرفی کرده است و به­کارگیری روش داده‌های پنل نامتوازن، خلق نقدینگی 21 بانک ایرانی پذیرفته شده در بازار سرمایه به صورت سالانه از سال 1385 تا 1397 مورد محاسبه قرار گر...

The main purpose of this study is to investigate the relationship between Iran’s heavy crude oil price returns and volatility dependence using the Copula-based quantile model (CQM). CQM is an efficient tool for analyzing nonlinear time series models as it has no need for initial assumptions.  We use monthly data from January 1990 to December 2019. We use the Hadrick-Prescott filter to calculate...

ژورنال: تحقیقات اقتصادی 2017

ارزیابی بازار ارز در ایران، بر این مهم دلالت دارد که نوسان­های نرخ ارز تحت تأثیر رویدادهای سیاسی از جمله تحریم­های بین­الملی[1] بوده است. یکی از ریشه­های این تأثیرگذاری، اقتصاد تک­محصولی و وابستگی شدید دریافتی­های ارزی به فروش نفت بوده است. به همین منظور، مطالعه­ی حاضر در بازه‌ی زمانی1393-1359، با استفاده از الگوی تصریح شده­ نرخ ارز و روشخود توضیحی با وقفه­هایتوزیعی (ARDL)، به ارزیابی اثرات تحر...

The article discusses the publication activity of scientists in the field of studying the consequences of US economic sanctions against Iran, and their impact on the development of science and the economy in this countries. The paper considers the dynamics of publication activity in the field of biomedicine of Iranian scientists over the past 20 years. Increased sanctions have led to a shortage...

1996
Daniele Romanini Kevin K. Lehmann

By using cavity ring-down spectroscopy ~CRDS!, we have obtained visible overtone absorption spectra of HCN which display a large collisional line-mixing effect in the proximity of the R branch band heads, for J;18. We consider in detail the 106←000 ~15CN, 05bend, 65CH! parallel transition. The R branch profile was modeled using the modified-exponential-gap ~MEG! and energy-corrected-sudden appr...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید