
Achieving energy efficiency particularly in Iraq is very critical due to continuous energy crisis since the 1990s. One of the major cities, Basra City faced this crisis since 2003 with energy generation declining by 26.4%. . According to World Watch Institute Estimations, buildings are responsible for 40% of t. . The term ‘energy efficiency’ specifically referring to heating and cooling in buildings is directly related to two factors during the design stage. First, building envelope and second building. . This study compared the performance of energy consumption between conventional system and the proposed IBS system in the same house model in the city of Basra, Iraq. Since it is di. . 4.1. Conventional systemFig. 9 shows the findings of the heating energy for each air-conditioned zone. The figure indicates that energy needed for heating cannot b. . The paper presents an evaluation study of the energy efficiency approach in several construction systems. The study targeted two structural systems, namely, the conventional buil. . 1.A.A. Abod, D.A.M. Hussain, D.A.M. A-KhafajiBuilding performance a study for evaluate prefabricated resi. [pdf]

Solar energy is widely available in Armenia due to its geographical position and is considered a developing industry. In 2022 less than 2% of Armenia’s electricity was generated by solar power. The use of solar energy in Armenia is gradually increasing. In 2019, the European Union announced plans to assist Armenia towards developing its solar power capacity. The initiat. . According to the , Armenia has an average of about 1720 (kWh) solar energy flow per square meter of horizontal surface annually and ha. . As of April 2019 ten 1 MW strong solar stations are installed. Solar and wind stations account for less than 1% of total installed electricity generation capacities. In April 2019 it was announced that German company Das En. In this article, we address the current state of solar energy in Armenia, potential investments and industrial developments in the solar energy sector. [pdf]

In February 2022, two days after Russia's full-scale invasion, Ukraine requested that American aerospace company SpaceX activate their Starlink satellite internet service in the country, to replace internet and communication networks degraded or destroyed during the war. Starlink has since been used by Ukrainian civilians, government and military. The satellite servic. . is a branch of American aerospace company . They operate a large in consisting of thousands of satellites. Starlink satellites regularly since 2. . Starlink activated their service in Ukraine in February 2022 two days after it was requested to do so waiving the usual monthly for the country. Starlink kits delivered to Ukraine included the outdoor-mou. [pdf]
A Ukrainian serviceman stands next to a vehicle that carries a Starlink satellite internet system near the front line in Donetsk region, Ukraine, on February 27, 2023. In recent months, Russian social media channels run by crowdfunders have been increasingly open about Starlink purchases.
In February, Musk responded to Ukrainian claims the Russians were using Starlink by stating that his company did not do business with the Russian government, and that the system would not work in Russia. But Starlink was unclear if the technology might work in Russian-occupied areas of Ukraine.
The Starlink internet service has provided a significant frontline advantage to Ukraine’s smaller military since the 2022 invasion, permitting its forces to share real-time drone feeds between units, and communicate in areas where combat has disrupted cellphone service.
Russia said Starlink was not certified in their country and accordingly could not be officially supplied in Russia and was not officially used there. Similarly to SpaceX's terminals, DJI 's drones are sold in Russia without the company knowing or agreeing with the sales.
The standard package of satellite Internet by Starlink costs $110 per month. You also need to purchase equipment worth $599. Since August 24, Ukraine has received a special price: a $60 subscription fee and $385 for the equipment. The preferential price will be valid until the pricing policy is revised next time.
"SpaceX's Starlink wins Pentagon contract for satellite services to Ukraine". Reuters. Archived from the original on June 1, 2023. Retrieved June 1, 2023. ^ a b c d e Roulette, Joey (February 9, 2023). "SpaceX curbed Ukraine's use of Starlink internet for drones -company president". Reuters. Archived from the original on February 9, 2023.
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