نتایج جستجو برای: years statistical period 1992
تعداد نتایج: 1705073 فیلتر نتایج به سال:
Based on the retrieval of journals published CNKI in field tourism, and statistical analysis by Cite Space, this paper finds that: (1) terms number papers, tourism research can be divided into three stages: infancy period 1992-2000; Steady growth 2001-2011 years; Rapid decline 2012-2018 years. (2) The key institutions are higher learning, among which Shaanxi Normal University Zhongshan have obv...
Background: An increase in the number of medical schools in Iran has caused a conspicuous escalation in medical research during recent years with the numbers of papers published in Iranian and international biomedical journals increasing annually. In addition to quantitative indices, the evaluation of medical research in Iran requires qualitative parameters. The aim of this study is the qualita...
zayanderoud basin is one of the important agricultural areas in country level because of climatic variety and resuscitative water of zayanderoud river. since frost phenomenon especially late spring frost incurs great damages on fruit trees and agricultural products of this region, it is necfessary to study frost in this basin.in this research, the intensity of frost during cold period and sprin...
The article provides a comparative statistical analysis of the bilateral trade turnover between Russia and Tajikistan at entire modern stage their relationship (1992–2022). study is generally one first in Russian historiography. author identifies three stages for relations two countries: covers 1990s, second – 2000–2013, third begins 2014 continues up today. At each stage, cost indica...
Precipitation is a phenomenon resulting from complex atmospheric interactions and among climatic events, due to its vital role, it has special importance. The importance of precipitation durability, especially in arid and semi-arid regions, which includes most of Iran, is greater than its volume. The purpose of this study is to identify Iran's precipitation areas in terms of precipitation durab...
Abstract Subject and purpose of work: The this study is to determine the area production status food grains in India. Materials methods: current was conducted using secondary data that gathered from numerous sources, including Statistical Haryana, Economic Survey. Between 1991-1992 2021-2022, have seen a compound growth rate. Results: results show fluctuating trend during years 1991-92 2021-22....
OBJECTIVE We examined changes in the prevalence of diabetes, obesity, and overweight in 412,881 Korean men in birth cohorts from 1933 to 1972 over 8 years from 1992 to 2000 and separately analyzed the effects of age, time period, and birth cohort. RESEARCH DESIGN AND METHODS The study included male employees of Korean government organizations and schools who were between 20 and 59 years of ag...
This section looks at manufacturing employment responses to Chinese import exposure. Table B.1 replicates Table 2 of AADHP and presents a stacked first-difference model for the two time periods 1992-99 and 1999-2011 with the change in import penetration and a dummy for each time period as the regressors, along with results for sub-periods 1992-99, 1999-2011 and 1999-2007. We find that rising im...
Italy was an important producer of raw asbestos until 1992 (when it was banned) and it is now experiencing severe public health consequences due to large-scale industrial use of asbestos in shipbuilding and repair, asbestos-cement production, railways, buildings, chemicals and many other industrial sectors. Latency of malignant mesothelioma generally shows a large variability and the relationsh...
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