Advances in Selective Flotation and Leaching Process in Metallurgy

Metals are a finite resource that are necessary to maintain living standards in modern society, due to their countless applications, such as transportation vehicles, building and construction, household appliances, electronic devices, etc. [...]

Morphological content and recyclability of separate collected packages: a case study for Kaunas, Lithuania**

Packaging materials can arise from a wide range of sources and are commonly used for food, medicine, household appliances, and items to enclose or protect products during distribution, storage, sale, delivery, and use. The choice of material (paper, plastic, glass, wood, metal, multi-layer or other packaging) to be used depends on the type and properties of product, the purpose of packaging, and the price. The aim of the investigation is to analyse the morphological composition of packaging waste collected separately in Kaunas (Lithuanian) private households and to evaluate its recycling possibilities. The mixture of paper, plastic, and metal packaging waste was analyzed in the winter and spring (one time per month) in the waste management company JSC "Kauno švara".

Indoor temperature, humidity and illumination control system based on Android

The temperature, humidity and illumination control system designed in this paper is based on Android platform. It is controlled by connecting the mobile phone wifi with the single chip microcomputer, and uploaded to the mobile phone client through wifi serial port technology. Users can collect indoor temperature and humidity data and illumination data through sensors. Through the mobile phone client to control the LED lights and relay switches of household appliances, such as the control of air conditioning, and finally achieve the goal of adjusting indoor lighting and controlling the on-off of household appliances.

Pengetahuan Generasi Milenial Sunda Perkotaan terhadap Peralatan Dapur Tradisional Sunda

Many regional languages in Indonesia are threatened with extinction due to the decreasing number of the younger generations who use the language. There are only 13 regional languages that have more than one million speakers and most of the speakers are older generations. Sundanese language is one of that 13 languages. However, nowadays the Sundanese language is starting to be sidelined and abandoned by the younger generations, especially children. Based on the observations of Sundanese language observers currently, the number of children in Bandung who can speak Sundanese is less than fifty percent. This study aimed to reveal the urban Sundanese millennial generation’s knowledge on the Sundanese vocabulary of traditional kitchen utensils. This study needs to be done since the vocabulary of household appliances is the closest in the home domain. This research uses a quantitative approach with a survey method. The data analysis technique for the research problem is descriptive statistics (crosstab). The results showed that the knowledge of the urban Sundanese millennial generation on the vocabulary of Sundanese traditional kitchen utensils reached an average of 87.17%, which can be categorized as good. Although it is categorized as good, some respondents do not know the name of the kitchen utensils.AbstrakBanyak bahasa daerah di Indonesia terancam punah karena semakin berkurangnya generasi muda pemakai bahasa tersebut. Kini hanya terdapat tiga belas bahasa daerah yang memiliki jumlah penutur di atas satu juta orang, itu pun sebagian besar generasi tua. Bahasa Sunda termasuk di antara tiga belas bahasa tersebut. Walaupun demikian, saat ini bahasa Sunda mulai dikesampingkan dan ditinggalkan oleh generasi muda, khususnya anak-anak. Berdasarkan pengamatan para pemerhati bahasa Sunda, saat ini jumlah anak-anak di Kota Bandung yang dapat berbahasa Sunda tidak sampai lima puluh persen. Penelitian ini bertujuan untuk mengungkapkan penguasaan generasi milenial Sunda perkotaan terhadap kosakata peralatan rumah tangga di dapur tradisional Sunda. Hal ini perlu dilakukan karena kosakata peralatan rumah tangga merupakan kosakata terdekat yang ada di lingkungan rumah. Penelitian ini menggunakan pendekatan kuantitatif dengan metode survei. Analisis data menggunakan statistika deskriptif (crosstab). Hasil penelitian menunjukkan bahwa pengetahuan generasi milenial Sunda perkotaaan terhadap kosakata peralatan rumah tangga di dapur tradisional Sunda mencapai rata-rata 87,17% sehingga dapat dikategorikan baik. Walaupun secara umum pengetahuan generasi milenial Sunda terhadap peralatan dapur dikategorikan baik, ada beberapa responden yang tidak mengetahui nama peralatan dapur tersebut.