Abstract:A 64 year old female with no underlying medical illness presented with 3 months history of unilateral nasal blockage and rhinorrhoea. Nasopharyngeal examination revealed a smooth surface mass in the posterior nasal space. Endoscopic biopsy confirmed the mass to be Extramedullary Plasmacytoma. Investigation pertaining to multiple myeloma revealed no evidence of the disease. The mass was excised endoscopically and the patient completed 25 cycles (50Gy) radiotherapy. Patient had no evidence of recurrence after 6 months follow up.
Reducing fuel consumption and carbon emissions in the development of ship propulsion systems following the required Energy Efficiency Design Index (EEDI) has become a concern for the fishing industry as determined by the International Maritime Organization (IMO). This study analyzes the suitability of using a 30 GT fishing vessel propeller and propulsion engine for optimum efficiency. The analysis focuses on developing a propulsion system selection model, studying the characteristics of the ship's resistance, loading propellers, and selecting the appropriate engine. The propeller-engine matching procedure predicts the propeller and engine suitability. Furthermore, the Analytic Hierarchy Process (AHP) method determines the suitability level for the propeller and diesel engine. The results showed the highest level of suitability for the Yanmar 6CH-HHTEC engine versus the A.30X34 type propeller with 31.7%. Then the Deutz BF06M1013MC engine versus the B.30X28 propeller type, the Yuchai YC6A170C engine versus the B30X28 propeller type, and the Volvo D7ATA engine versus the B30X28 propeller type with percentages of 26.6%, 26.4%, and 15.3%, respectively. The high level of SP2 selection is due to the propulsion system having minimal noise levels, dimensions, and engine weight but having maximum power.
Kelompok Nelayan “Karya Bersama” merupakan salah satu kelompok nelayan di Desa Galesong Kota Kecamatan Galesong Kabupaten Takalar yang menggunakan perahu fiberglass dalam kegiatan penangkapan ikan. Perahu fiberglass yang digunakan sangat membantu nelayan dalam meningkatkan hasil tangkapannya. Berdasarkan observasi awal ditemukan beberapa perahu fiberglass milik mitra yang mengalami beberapa kerusakan. Kerusakan perahu fiberglass yang mereka pakai tidak bisa dihindari akibat kondisi perairan lokasi penangkapan ikan yang tidak bersih dan besarnya ombak. Perbaikan perahu fiberglass secara tepat tidak bisa mereka lakukan secara mandiri karena pengetahuan dan keterampilan teknik reparasi perahu fiberglass yang mereka miliki masih rendah. Kegiatan pengabdian ini bertujuan untuk meningkatkan pengetahuan dan keterampilan mitra dalam teknik reparasi perahu fiberglass. Kegiatan dilakukan dengan dua tahap yaitu 1) Penyuluhan tentang teknologi bahan fiberglass, jenis-jenis kerusakan pada perahu fiberglass dan teknik perbaikannya. 2) Pelatihan reparasi perahu fiberglass. Evaluasi peningkatan pengetahuan peserta dilakukan dengan pre-test dan post-test setelah dilakukan penyuluhan. Evaluasi ketrampilan peserta dilakukan pada saat pelatihan langsung. Hasil kegiatan menunjukkan bahwa 90% dari 10 orang peserta yang mengikuti pelatihan telah memiliki pengetahuan yang baik tentang bahan fiberglass dan teknik reparasi perahu fiberglass dan mampu melakukan perbaikan kerusakan perahu fiberglass secara benar.
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