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STRATEGI EKSPANSI DAKWAH ISLAMIAH PADA MASA DINASTI UMAYYAH: STUDI KASUS PENAKLUKAN AFRIKA UTARA DAN SPANYOL Nasution, Muhammad Afrezal; Zulaikha, Dira; Lubis, Azriel Ivan Akbar; Akmal, Fathurrahman; Akbar, Muhammad Habib; Sabrina, Raisyah Amalia; Windari, Sri
Tashdiq: Jurnal Kajian Agama dan Dakwah Vol. 13 No. 1 (2025): Tashdiq: Jurnal Kajian Agama dan Dakwah
Publisher : Cahaya Ilmu Bangsa Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.4236/tashdiq.v13i1.12484

Abstract

This research examines the Islamic dakwah expansion strategies implemented by the Umayyad Dynasty, focusing on the conquests of North Africa and Spain as case studies. The Umayyad Dynasty not only expanded political power but also spread Islamic teachings to various nations and cultures. Employing a descriptive historical method, this study analyzes how factors such as military strength, centralized administration, and cultural acculturation contributed to the success of dakwah expansion. The main findings reveal that the Umayyad dakwah expansion involved a complex interplay of conquest, cultural adaptation, and the construction of infrastructure that supported the spread of Islam. In conclusion, the Umayyad Dynasty's expansion strategies laid the foundation for a broader and more diverse development of Islamic civilization.
Construction and Performance Testing of Young Coconut Waste Shredding Machines Sundari, Ellys Mei; Suhendra, Suhendra; Anjiu, Leo Dedy; Windari, Sri
TURBO [Tulisan Riset Berbasis Online] Vol 14, No 2 (2025): TURBO: Jurnal Program Studi Teknik Mesin
Publisher : Universitas Muhammadiyah Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/trb.v14i2.4545

Abstract

The problem of coconut husks and shells that are not utilized was that they are usually discarded as waste, so further processing was needed to overcome this. This study aims to manufacture and test the performance of a young coconut waste shredder. The research methods include machine construction, performance testing, and analysis of test results. The independent variables tested were rotational speed and number of test material cuts. The rotational speed was varied to 1,400 rpm, 1,750 rpm, and 2,333 rpm, while the number of cuts was varied to 4, 6, and 8 cuts. The data obtained were analyzed using a completely randomized design with an F-test. The shredder machine was constructed using a 1 HP electric motor drive, a V-belt transmission system, a shredding chamber diameter of 400 mm, a shredding chamber height of 150 mm, and is equipped with 4 shredding blades. The test results showed the highest chipping capacity of 77.56 kg/hour obtained at a speed of 1,750 rpm and 8 pieces, while the finest chipping results with a chipping length of 4.214 mm and a chipping width of 1.271 mm were obtained at a speed of 2,333 rpm and 8 pieces. Based on the analysis results, the rotation speed had a significant effect on the chopping capacity, while the number of cuts had no significant effect on the chopping capacity. Other analysis results showed that the rotation speed and number of cuts had a very significant effect on the chopping results.