نتایج جستجو برای: f15

تعداد نتایج: 416  

Journal: :Journal of Economic Literature 2021

Probably because of their interpretability and transparent nature, synthetic controls have become widely applied in empirical research economics the social sciences. This article aims to provide practical guidance researchers employing control methods. The starts with an overview introduction estimation. main sections discuss advantages framework as a design, describe settings where reliable es...

Journal: :International Journal of Energy Economics and Policy 2021

The present study aims to examine the short-run and long-run impact of China’s trade liberalization policies on its energy demand over period from 1980 2018. results Autoregressive Distributed Lag approach co-integration show that consumption significantly increases as a result openness increase in real Gross Domestic Product (GDP). granger causality test also confirm unidirectional running GDP...

1996
Roberto A. De Santis Frank Stähler

By employing a model with international trade costs and imperfect competition, in which a domestic firm serves both the domestic market and the foreign market, we show that intraindustry trade compared to intersectoral trade is globally, but not mutually, welfare improving. When also foreign firms become active, competition strengthens but domestic welfare declines, because domestic consumers h...

2004
Martin Richardson

This paper considers the phenomenon of third party antidumping; that is, the ability of a firm to bring an AD case in a foreign country against third party dumpers. Recent experience in New Zealand is discussed and suggestions are offered as to why a country might wish to permit foreigners to demand that other foreigners increase prices in that country. D 2005 Elsevier B.V. All rights reserved....

2014
Felix Chan Mark N. Harris William Greene László Kónya

We consider the estimation of the usual Gravity model of trade, which involves flows of trade, say exports, from country i to country j in time period t. We suggest an easy-to-impliment generalised method of moments estimator that avoids the issues associated with the usual fixed effects treatment of the unobserved heterogeneity in this type of models and at the same time provides consistent pa...

Journal: :International Journal of Pharmacy and Pharmaceutical Sciences 2022

Objective: In an attempt to optimize the anti-Alzheimer effect, rivastigmine-loaded chitosan nanoparticles were developed in order target of brain through skin permeation. Methods: Rivastigmine-loaded chitosan-tripolyphosphate prepared by modified ionic gelation method using tween 80 surfactants different batches with variable chitosan/cross-linker ratios, desirability factors applied choose op...

Journal: :Drug delivery 2015
Samia A Nour Nevine Shawky Abdelmalak Marianne J Naguib

The objective of this study was the development of a colon-targeted microspheres which were compressed into tablets containing the non-steroidal anti-inflammatory bumadizone calcium hemihydrate. [corrected]. A 3(2) full factorial design was adopted for the evaluation of the prepared microspheres. The effect of two independent variables namely polymer type (Eudragit RS100, ethyl cellulose and ce...

2009
L. G. Bankov R. A. Heelis Michel Parrot Jean-Jacques Berthelier L. Bankov

Plasma probe data from DMSP-F13, DMSP-F15 and DEMETER satellites were used to examine longitudinal structures in the topside equatorial ionosphere during fall equinox conditions of 2004 year. Since the launch of DEMETER satellite on 29 June 2004, all these satellites operate close together in the topside ionosphere. Here, data taken from Special Sensor-Ion, Electron and Scintillations (SSIES) i...

Journal: :Microbiology 1998
V Katerov A Andreev C Schalén A A Totolian

During screening of a gene library of Streptococcus pyogenes type M15 for fibrinogen-binding material, a protein of approximately 100 kDa, encoded outside the vir region, was found. DNA sequencing revealed this component to be identical to protein F, a fibronectin-binding protein. Isolation of the recombinant protein, termed F15, was performed by the use of fibrinogen affinity chromatography. T...

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