The mangosteen fruit has a characteristic thick skin, so it is difficult to know the condition of the flesh. Farmer can only know damage to the fruit flesh after the fruit skin had opened. Detection of the quality of the mangosteen flesh can be detected using a sensor capable of penetrating the thickness of the mangosteen rind. Flesh quality detection is carried out based on the S21 value (attenuation of mangosteen flesh value) using a portable device equipped with a sensor and capable of emitting microwaves. The S21 value of the fruit's flesh was measured using a spiral resonator that functioned as a sensor. The prototype device consists of an oscillator circuit, a power splitter, and a phase detector with 2507 MHz. Fruit flesh had divided into two conditions: damaged for fruit flesh with yellow sap or Translucent Flesh Disorder, and suitable condition for clean fruit flesh. The results showed that the fruit flesh had an average S21 value of 7.041 dB for damaged flesh and 6.007 dB for good flesh condition. The difference in the value of S21 had used as a reference for detecting the shape of the fruit flesh, with the detection threshold calculated by the Support Vector Machine, resulting in a threshold value of 6.712 dB.
Manusia merupakan mahluk individu dan mahluk sosial. Salah satu fungsinya adalah menjaga kebersihan. Kondisi terjadi sebaliknya penduduk di daerah pesisir Desa Batu Nampar yang mempunyai tingkat kebersihan yang rendah akibat sampah masih berhamburan dan berserakan sebelum adanya pengabdian masyarakat. Langkah yang diambil untuk mengatasi hal tersebut adalah membuat bak sampah ditempat yang tepat. Pengabdian ini juga untuk membentuk pola pikir masyarakat agar dapat mengolah sampah menjadi hal yang bermanfaat serta menghasilkan uang.Tim pengabdian terhadap masyarakat turun langsung lewat program mandiri dari Universitas Mataram khusus Fakultas Teknik turun langsung ke lapangan mengatasi masalah ini.Sehingga terdapat bak penampungan sampah serta pengolahan sampah menjadi kompos yang dapat dijual sebagai pupuk.
Technological innovation in the business world can immediately increase the novelty, economic value, added value & market segment of commercial products. Preservation, tanning & processing technology can increase the novelty, economic value & market segment of commercial leather products. The objective of the research is to examine the impact of technological innovation on the economic value, added value & consumer preferences for fish leather products. This study uses market segmentation, value-added, consumer preferences and descriptive methods. The economic value of commercial fish skin products are as follows: (1) preservation technology produces economic value of fresh tilapia skin of IDR 3,000 per sheet, stingray skin of IDR 50,000 & cowhide of IDR 5,000; (2) tanning technology produces economic value for tilapia skin of IDR 7,500 per sheet, stingray skin of IDR 125,000 and cowhide of IDR 10,000; (3) the design and technology of processing a 3-in-1 tilapia skin wallet produces an economic value of IDR 300,000; 3-in-1 stingray skin wallet for IDR 400,000 & 3-in-1 cowhide wallet for IDR 240,000. The added value of the 3-in-1 tilapia skin wallets is IDR 441,000; stingray leather wallet which is IDR 650,000 & 3-in-1 cowhide wallet is IDR 235,000. The average value of consumer preferences for commercial tilapia, stingray & cow leather wallets are 85%, 90% & 75%. The highest consumer preferences are based on the attributes of color, shape and price.
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