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For a successful thermal performance, the right choice and design of the thermal management materials used in LED die-moulding, cooler and soldered parts is a critical engineering problem. Because they are affected by heat emitted from the pn junction in the L…

Artificial lighting is an important part of global electricity consumption. At office buildings, the energy consumed by artificial lighting can reach up to 40% of total energy consumption. This work is being done to find solutions to such problems with energy …

LEDs that emit blue light are needed to create white light using LEDs. In 1991, Japanese scientists Isamu Akasaki, Hirochi Amano and Shuji Nakamura invented LEDs that emit blue light. From this date it became possible to use the LEDs as lighting elements. Rapi…

Jeotermal enerji varlığını dünyanın kuruluşundan bu yana sürdürmüş temiz bir enerji türüdür. Her geçen yıl yeni jeotermal alanlar bulunmakta ve kullanım alanları hızla artmaktadır. Enerji maliyetlerinin yükselme eğiliminde olduğu günümüzde jeotermal enerji alt…

Görme engellilerin yaşamlarını kolaylaştıran teknolojik gelişmeler her geçen gün artmaktadır. Cisimlerin renklerini algılama onların sesle bildirimde bulunulması ile olabilmektedir. Bu çalışmada optik tabanlı renk sensörü tasarlanarak bu renkleri, renk kelimel…

The Walking Mansion in Yalova, Türkiye, holds a special place as a symbol of the Early Republican Period. In 1929, Mustafa Kemal Atatürk, the founder of the Republic, took a journey from İstanbul to Bursa aboard the Ertuğrul Yacht and encountered a remarkable …

The rapid growth of city populations and the increasing complexity of managing city infrastructure have led to the emergence of smart cities, which rely on advanced technologies to optimise urban services. However, one of the key challenges facing smart cities…

Throughout history, earth as one of the most basic building materials of architecture, has stood out as a culturally and environmentally sustainable resource thanks to its local availability, compatibility with natural cycles and renewability. Increasing envir…

A universally applicable “optimal photobioreactor” design has yet to be established, as the success of such systems varies depending on the algal species used, environmental conditions, and intended applications. Meanwhile, the accelerating pace of climate cha…

 Developments in economic and technological fields have led to the development of new production systems in manufacturing technology. It is argued that the traditional costing techniques applied by many enterprises today are not compatible with new production …

Kenan Evren, on behalf of peace in society and of national unity and solidarity, put forward some religious values which had led a serious discussions about the understanding and pratice of secularism in Turkey, after 1980. The Presidency of Religious Affairs …

Traffic flow forecasting has an important place in designing a successful intelligent transportation system. The success of the forecasting is related to the accuracy and timely acquisition of the traffic flow data. The inadequacy in the number of data has led…

The popularity of wireless communication is increasing day by day. This has led to the fact that data transfers via GSM have reached very high levels. Data transfers via GSM, which are continuously growing, increase the density of data traffic, thus necessitat…

Various aromatic plants grow in different geographical regions of the world. These plants have many features such as flavor, healing, therapeutic. In addition to these characteristics, their contribution to ecological balance is very high. Since the early ages…

Forest functions traditionally included wood production, protection and forest recreation. The twofold role of forests as both sources and sinks of greenhouse gases makes their influence on the climate extremely significant. This fact has led to climate chan…

Bu çalışma ile bireylerin renk tercihlerinin aldıkları eğitime göre değişip değişmediği araştırılmaktadır. Çalışmada çevresel imajı oluşturan ‘renk’ kavramı bağımlı değişken olarak, bireylerin eğitim durumu ise bağımsız değişken olarak ele alınmış ve bu iki …

About 90% of world trade in transportation of goods is conducted via maritime transportation. An important operation area of maritime cargo transportation is ports. It is necessary to keep these ports secure where information and communication technologies a…

Climate change and environmental concerns led the investors to search for environmentally sustainable and friendly investments. Green bonds market has emerged as a result of this need. This study aims to analyze this market focusing on market efficiency. Marke…

Polycarbazole (PAAC) and poly (thiophene) (PTH) are both highly stable polymers. But the conductivity of (PAAC) is much lower than PTH. When polycarbazole and polythiophene alternative copolymers are synthesized, it is aimed to increase the conductivity of PAA…

Due to the population growth, the use and management of natural resources has been one of the most important issues while ecological studies are gaining importance. In this context, the use and management of water which is the main source of life has had a maj…