Multi-objective optimization is an optimization problem with some conflicting objectives to be attained, simultanously. This paper reviewed literature about multi-objective optimization problems for supply chain management. The review aimed to provide the lastest research views and recomendations for further studies. We discussed the lastest ten years publications about multi-objective optimization for supply chain management. The scope of this review was classified into five categories i.e. problem statements, multi-objective frameworks, mathematical formulation modeling, optimization techniques, and representation of supply chain. Multi-objective optimization approaches, both classical and metaheuristic approaches, were discussed, accordingly. In this review, we conducted conclusion and recomendations about likelihood research directions in future.Science Ltd. All rights reserved. Growing 6 © 201
<p>The aim of this paper is to descripe how a knowledge management plays a role in the<br />development of new products with the determining of soy milk consumer characteristics and<br />product characteristics by Kano method. Knowledge is a basic in decision making for new<br />product development. Analysis conducted for costomer characteristic determination by<br />determining costumer atribute influence buying decision and costomer clasification. Product<br />characteristic in this paper uses Kano Method. The result of analysis of product characteristic<br />showed that halal labeling, soybean picture in packaging, inclusion of business address, ,<br />inclusion of nutrient information, medium sweetness level are characteristic required to new<br />product development of soy milk.</p>
AbstrakPerilaku merokok merupakan masalah kesehatan dunia karena dapat menyebabkan berbagai penyakit dan kematian. Perilaku merokok pada usia remaja menjadi tren yang harus diatasi. Tujuan penelitian ini adalah untuk mengetahui pengaruh konsumsi permen susu terhadap penurunan konsumsi rokok pada remaja. Desain penelitian ini adalah Quasi Eksperimen dengan rancangan pretest-posttest with control group. Sampel berjumlah 32 orang dengan teknik pengambilan sampel stratified random sampling. Instrumen penelitian ini adalah lembar observasi dan kuesioner sebagai data pendukung. Analisis yang digunakan adalah analisis univariat dan analisis bivariat dengan uji Wilcoxon dan Mann Whitney. Hasil penelitian ini menunjukkan mayoritas responden berada pada rentang usia 16-18 tahun (Remaja pertengahan) sebanyak 27 orang (84,4 %), mayoritas responden dengan kategori perokok ringan sebanyak 23 orang (71,9%), mayoritas lama merokok responden < 2 tahun sebanyak 28 orang (87,5%), dan mayoritas responden dengan alasan merokok coba-coba sebanyak 16 0rang (50,0%). Hasil penelitian menunjukkan terdapat perbedaan yang signifikan rata-rata penurunan konsumsi rokok sebelum dan sesudah konsumsi permen susu pada kelompok eksperimen (p value = 0,000), tidak terdapat perbedaan yang signifikan penurunan konsumsi rokok pada kelompok kontrol (p value = 0,083), dan terdapat perbedaan yang signifikan rata-rata penurunan konsumsi rokok antara kelompok eksperimen dan kelompok kontrol (p value = 0,000) yang berarti permen susu berpengaruh terhadap penurunan konsumsi rokok. Penelitian ini menyarankan agar remaja perokok dapat menggunakan permen susu sebagai terapi alternatif nonfarmakologis untuk menurunkan jumlah konsumsi rokok. AbstractThe smoking behavior is a health problem of the world because it can cause morbidity and mortality.Smoking behavior in adolescents is become a trend so, it should to resolved. The purpose of this research was to know the influences of milk candy consumption toward cigarette consumption reduction in adolescents. This was a quantitative study with Quasi Experimental design and pretest-posttest design with control group approach. The sample were 32 persons which taken by stratified random sampling technique. The instrument were observation sheet and questionnaire as supporting data. Data analysis used univariate and bivariate with Wilcoxon and Mann Whitney test. The result showed that majority in respondents were in age range of 16-18 years (mid-teens) 27 people (84,4%), majority of respondents in mild smoker category as many as 23 people (71,9%), majority of smoke less than 2 years as many as 28 people (87,5%), and majority respondents reason curious try as many as 16 people (50,0%).There was a significant difference cigarette consumption reduction before and after milk candy consumption in experiments group (p value = 0,000), but not in control group (p value = 0,083), and there was significant difference of mean cigarette consumption reduction between experiments and control group (p value = 0,000) that mean there was...
Komoditas kelapa sawit secara nasional dari segi luas dan produksinya semakin meningkat setiap tahunnya selama kurun waktu tiga tahun terakhir yaitu pada tahun 2015-2017. Tahun 2015 luas area perkebunan, tahun 2015 mencapai 11.260.277 ha/th dan pada tahun 2017 sebesar 12.307.677 ha/th. Faktor yang lain yaitu produksi kelapa sawit sebesar 31.070.015 ton/th dan pada tahun 2017 sebesar 35.359.384 ton/th (Dirjen Perkebunan, 2017). Akhir-akhir ini, perusahaan perkebunan baik milik negara maupun rakyat mulai melakukan pembaharuan dalam proses peremajaan. Permasalahan yang timbul pada saat peremajaan adalah tumbuhan bawah yang tumbuh dengan sangat cepat dan sulit untuk dikendalikan yang mengganggu tanaman akibat dari peremajaan secara konvensional sehingga dikembangkan teknik baru yaitu underplanting. Peremajaan dengan teknik konvensional ini sering ditemui permasalahan seperti biaya yang tinggi, terbukanya lahan secara besar-besaran dan timbulnya erosi. Penelitian ini bertujuan untuk menganalisis komposisi jenis tumbuhan bawah serta jenis asing dan jenis asli yang tumbuh pada tiga kondisi kebun kelapa sawit di PT. Bio Nusantara Teknologi (sawit yang tua (TM dan sawit muda (TI)) dan menghitung indeks keragaman jenis tumbuhan bawah pada ketiga kondisi kebun kelapa sawit. Metode penelitian yang digunakan adalah metode kuadrat. Ukuran kuadrat yang digunakan adalah 1x1 m. Banyaknya jumlah kuadrat mengacu pada metoda kurva spesies area dengan luas minimum 40 m2. Hasil penelitian menunjukkan bahwa komposisi tumbuhan bawah pada TM ditemukan 20 jenis yang terdiri dari 5 jenis asli dan 15 jenis asing dan pada kebun TI ditemukan 20 jenis yang terdiri dari 8 jenis asli dan 12 jenis asing. Tingkat keragaman jenis tumbuhan bawah (H’) tergolong rendah dengan besaran masing-masing pada TM sebesar 0,637 dan TI dengan nilai 1,94. Jenis yang mendominasi pada kedua kondisi kebun kelapa sawit adalah Axonopus compressus dengan INP 130,238% (TM) dan 42,237% (TI). Kata Kunci: Kelapa Sawit, Underplanting, Komposisi Tumbuhan Bawah, Keragaman Jenis, Metode Kuadrat, Kurva Species Area
Manpower is an element that is dealing directly with the various consequences of industrial activities undertaken. Unqualified physical work environment such as noise that has exceeded the NAV is one of the examples faced by the workforce in the workplace. One of the activities that produce noise is the activity in the fiberline department in the pulp making industry which is the pulp making area. This study aims to map the noise and its effect on employee fatigue in the pulp making industry in the fiberline department. Research stages include noise measurement, noise mapping, filling out questionnaires by employees about work fatigue, calculation of questionnaire results, determining the effect of noise and work fatigue with regression analysis, and correlation determination. The noise mapping results at 30 point measurements indicate that the bleaching and pulp engine border areas exceed the safe threshold noise. Regression analysis results show the higher the noise level, the higher the level of work fatigue in employees. The result of correlation analysis is known that the correlation is positive or strongly correlated which shows that the effect of noise on fatigue is very strong. The noise mapping results can be known which area exceeds the noise threshold, so the company can anticipate the negative impact, as well as the strong relationship between noise and work fatigue.
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