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"The relative significance ofthe parallel middle body and stern form in the wake formation of single-screwlarge ships and their contribution to the ship?s viscous resistance are studied by using computational fluid dynamics (CFD). A10450-DWT tanker is considered by varying the ratio of theparallel-middle-body?s length to the ship?s length (Lmb/L) and by varying the shape of the stern form from aV-like to a U-like underwater stern transom section. In all the calculations,the principal dimension and the displacement of the ships are kept constant. Alarger value for the parallel-middle-body relative length (Lmb/L) of ships with the same stern form results in alarger drag coefficient but does not affect the nominal wake fractionsignificantly. A change in the shape of the underwater stern form,from a V-like to a U-like section, results in a much larger drag coefficientascribed to the much larger wake fraction. The stern form dominantly affectsthe nominal wake fraction and the ship?s viscous resistance compared to theparallel-middle-body relative length."

"Pada tahun 2023, Provinsi Daerah Khusus Jakarta mencatat prevalensi diabetes tertinggi di Indonesia berdasarkan data Survei Kesehatan Nasional, yaitu sebesar 3,9%. Di sisi lain, konsentrasi rata-rata PM2.5 di Jakarta pada tahun yang sama mencapai 43,8 μg/m3, menjadikannya salah satu wilayah dengan tingkat polusi udara tertinggi di Indonesia. Penelitian ini menggunakan desain studi ekologi dengan data sekunder, mencakup 42 kecamatan di wilayah administratif DKI Jakarta (tidak termasuk Kabupaten Kepulauan Seribu) sebagai unit analisis. Analisis dilakukan menggunakan uji korelasi dan analisis spasial untuk mengevaluasi hubungan antara konsentrasi PM2.5 pada udara ambien serta faktor sosiodemografi dengan prevalensi diabetes di tahun 2024. Hasil analisis menunjukkan bahwa dari seluruh variabel sosiodemografi, hanya proporsi penduduk dengan usia berisiko yang memiliki hubungan signifikan dengan prevalensi diabetes (p < 0,001). Sementara itu, tidak ditemukan hubungan yang signifikan antara konsentrasi PM2.5 dan prevalensi diabetes. Namun demikian, rata-rata konsentrasi PM2.5 di Jakarta pada tahun 2024 tercatat sebesar 37,45 μg/m3, yang melebihi Nilai Ambang Batas (NAB) yang ditetapkan oleh pemerintah. Oleh karena itu, perlunya pemantauan kualitas udara secara berkelanjutan serta pendekatan preventif berbasis usia dalam pengendalian diabetes di wilayah perkotaan.

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In 2023, Jakarta recorded the highest diabetes prevalence in Indonesia based on the National Health Survey, with a rate of 3.9%. Concurrently, the average concentration of PM2.5 in Jakarta reached 43.8 μg/m3, classifying the city as one of the most polluted urban areas in the country. This study employed an ecological study design utilizing secondary data, with 42 sub-districts in Jakarta, excluding Kepulauan Seribu Regency, as the units of analysis. Data analysis comprised correlation tests and spatial analysis to examine the association between ambient PM2.5 concentrations and sociodemographic factors with the prevalence of diabetes in Jakarta in 2024. The statistical analysis indicated that among the sociodemographic variables, only the proportion of the population within the at-risk age group demonstrated a statistically significant association with diabetes prevalence (p < 0.001). In contrast, ambient PM2.5 concentrations were not significantly associated with diabetes prevalence in the region during the study period. Nonetheless, the average PM2.5 concentration in Jakarta in 2024 was 37.45 μg/m3, exceeding the national ambient air quality standard set by the government."

"Stunting merupakan salah satu masalah kesehatan masyarakat global yang sampai saat ini masih perlu memperoleh perhatian penting terutama di negara-negara berkembang. Indonesia perlu menurunkan prevalensi stunting menjadi 14% pada tahun 2024. Sebanyak 108 kabupaten/kota di Provinsi Banten, Jawa Barat, jawa Tengah dan Jawa Timur termasuk lokasi fokus intervensi percepatan penurunan stunting terintegrasi tahun 2023 dengan skema percepatan khusus. Penelitian ini bertujuan untuk mengetahui visualisasi dashboard data wilayah berisiko stunting dikaitkan dengan pola asuh, faktor lingkungan, faktor akses pelayanan kesehatan, penyakit infeksi dan BBLR di Provinsi Banten, Jawa Barat, Jawa Tengah dan Jawa Timur tahun 2021. Penelitian ini merupakan studi ekologi dengan unit analisis di tingkat kabupaten/kota dan menggunakan data sekunder berupa data agregat hasil Studi Status Gizi Indonesia (SSGI) Tahun 2021 yang diperoleh dari BKPK Kemenkes RI. Hasilnya dashboard yang dibuat dapat menyajikan data pemetaan sebaran risiko stunting dikaitkan dengan pola asuh, faktor lingkungan, faktor pelayanan kesehatan, penyakit infeksi dan BBLR. Selain itu juga menyajikan data dan grafik variabel di tingkat kabupaten/kota yang interaktif, serta menyajikan simulasi prevalensi stunting yang dihubungkan dengan variabel yang signifikan berhubungan dengan stunting pada penelitian ini.

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Stunting is one of the global public health problems that still needs important attention, especially in developing countries. Indonesia needs to reduce the prevalence of stunting to 14% by 2024. A total of 108 districts/cities in the provinces of Banten, West Java, Central Java and East Java are included in the focus locations of the integrated stunting reduction acceleration intervention in 2023 with a special acceleration scheme. This study aims to describe the dashboard visualization of data on areas at risk of stunting associated with parenting, environmental factors, health service access factors, infectious diseases and LBW in Banten, West Java, Central Java and East Java Provinces in 2021. This research is an ecological study with a unit of analysis at the district / city level and used secondary aggregated data of the 2021 Indonesian Nutrition Status Study (SSGI) obtained from the BKPK Kemenkes RI. As a result, the dashboard created can present data mapping the distribution of stunting risk associated with parenting, environmental factors, health service factors, infectious diseases and LBW. In addition, it also presented data and graphs of variables at the interactive district / city level, and presented a simulation of the prevalence of stunting associated with variables that were significantly associated with stunting in this study."