Results 71 to 80 of about 112,118 (226)

A Comparative Study of the Available Measured Global Solar Radiation in Iraq [PDF]

open access: yesJournal of Renewable Energy and Environment, 2017
In Iraq, solar radiation field measurements are available only for very limited locations such as some universities and research centers. This article reviews and compares the measured monthly averaged global solar radiation data for Iraqi provinces and ...
Akram Abdulameer Abbood Al-Khazzar   +1 more
doaj   +1 more source

Rise of the south: How Arab‐led maritime trade transformed China, 671–1371 CE

open access: yesAsia‐Pacific Economic History Review, Volume 65, Issue 1, Page 3-38, March 2025.
Abstract China's center of socioeconomic activities was in the North prior to the Tang dynasty but is in the South today. We demonstrate that Arab and Persian Muslim traders triggered that transition when they came to China in the late seventh century, by lifting maritime trade along the South Coast and re‐creating the South.
Zhiwu Chen, Zhan Lin, Kaixiang Peng
wiley   +1 more source

Effect of growth regulators on sex expression and some quantitatve properties

open access: yes, 2005
This study was conducted in an orchard pomegranate's Department of Horticulture College of Agriculture, University of Baghdad for two seasons 1999-2000 on cultivars pomegranate Salimi and narrators seedless to study the effect spraying Nizant growth in ...
Jomaa, Faroq Farag   +2 more
core   +1 more source

Osmanlı Devleti’nin II. Meşrutiyet Dönemi Demiryolu Politikaları 1908-1914

open access: yesVakanüvis Uluslararası Tarih Araştırmaları Dergisi, 2018
Demiryolu yapımı ve kullanımının, Avrupa’da modern ve yaygın hale gelmesi ile taşımacılığın bu yeni hali Osmanlı Devleti’nde de merak uyandırmış, gerek padişahlar gerekse devlet adamları ekonomik ve siyasi sebeplerden ülkeye demiryolu ağını getirmek ...
Nesrin KANBEROĞLU
doaj  

A theory of political divergence and gradual institutional change

open access: yesAmerican Journal of Political Science, EarlyView.
Abstract Why do some societies succeed in breaking away from historical traditions while others remain trapped? This paper proposes a formal theory to investigate the interaction between short‐run and long‐run political dynamics, highlighting a co‐evolution of political institutions and social structures.
Clair Yang
wiley   +1 more source

An Environmental Study of Epiphytic Algae on Ceratophyllum demersum in Tigris River within Baghdad City, Iraq

open access: yes, 2014
The present study was conducted in the Tigris River within Baghdad (University of Baghdad campus). The study included some physicochemical parameters and qualitative of epiphytic algae on the host plant (Ceratophyllum demersum) during summer season 2013.
Baghdad Science Journal
core   +2 more sources

TÜRK-İSLÂM TARİHİNDE KÛTÜL’AMÂRE SAVAŞININ DÜŞÜNDÜRDÜKLERİ

open access: yesFırat Üniversitesi İlahiyat Fakültesi Dergisi, 2017
Kutu’l-Amâre Savaşı, 1915 yılında Bağdât’ın 160 km. doğusunda Dicle Irmağı’nın kenarındaki kasabada oldu. Dicle Irmağı üzerinden Basra Körfezi’ne, oradan da deniz yoluyla Hindistan ve diğer uzak doğu ülkelerine ulaşımın en ekonomik ve en kısa yoldan ...
Abdurrahman Daş
doaj  

The former distribution of White‐tailed Eagles in Iberia, the Mediterranean and the Middle East: a case study of the importance of understanding historical distribution in informing current conservation and restoration interventions

open access: yesIbis, EarlyView.
The importance of considering historical data in developing conservation and restoration measures for individual species and for wider ecological restoration has been pointed out by recent reviews but often remains neglected in practice. This paper provides a case study illustrating the issue through a review of the former breeding distribution of the ...
Duncan J. Halley
wiley   +1 more source

Determination of the Level of some Adipokines in Hypo-and Hyperthyroids Patients in Baghdad City [PDF]

open access: yes
Determination of the level of adipokines (obestatin, vaspin, tumor necrosis factor-? and interleukin-6)in hypo-and hyperthyroid patients from Educational Baghdad Hospital in Baghdad City was investigated.
Al-Jowari, Suha A.
core   +1 more source

Seasonal normalized difference vegetation index responses to air temperature and precipitation in Baghdad

open access: yesOpen Agriculture, 2020
The spatial distribution of urban vegetation cover is strongly related to climatological conditions, which play a vital role in urban cooling via shading and reducing ground surface temperature and effective strategy in mitigation urban heat island ...
Naif Salwa S.   +2 more
doaj   +1 more source

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