paper quality
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2021 ◽  
Vol 17 (11) ◽  
pp. 182
Author(s):  
Mohamed Hilmie Mohd Mokhtar ◽  
Maizura Yasin

Textbooks are one of the most fundamental learning and teaching tools used in schools all around the world (Nicholls, 2003). Today's technology allows students to access a variety of textbook formats, including online textbooks that they may read from anywhere. This study looks into the style and arrangement of learning textbooks in Malaysia in order to make studying more convenient. The purpose of this research is to see if the dynamics of textbook layout affect students' desire to learn. Thirty Year 6 children from a primary school in the Selangor district of Hulu Langat participated in this study. Students' views of textbook design elements, such as paper quality, printing, colour, and pedagogical aspects, were determined using a quantitative survey. Print and colour were scored higher by the students than paper quality, artwork, and images, according to the data. Furthermore, the research discovered a link between the layout of a book and its actual use.


2021 ◽  
Vol 2 (2) ◽  
Author(s):  
Hanna Alifia Putri Riyanto

The sorter and counting process of sheets paper still manually in several companies. So, in this study designed a tool that can automatically sorter and count paper based of paper quality. Paper is said to be suitable for use when there are no stains on a clean white sheet of paper, and on the other hand, the paper is said to be unfit for use when the paper is stained with ink. In this research, the LDR sensor functions as a sorting sensor, the resistance value received on the paper will be calculated. When the LDR captures a light resistance value less than 75, the paper will be categorized as a good paper quality, and vice versa when the LDR captures a light resistance of more than 75, the paper will be categorized as a dirty paper quality. next process the paper will be pushed to each shelf, this process involves a photodiode as a paper counter. When the paper passes through the photodiode, the process will be counted as one cycle or one paper. Furthermore, the paper will be separated into different racks according to the paper quality using the MG955 servo motor. In the servo motor test, the angular movement is 10º for good paper racks and 60º for dirty paper racks. After going through the process, the overall results of the paper data will be sent to NodeMCU ESP8266 and displayed on the blynk application. Keywords: LDR, Photodioda, Motor Servo, NodeMCU ESP8266.


2021 ◽  
Vol 9 (4) ◽  
pp. 247-261
Author(s):  
Ryosuke Watanabe ◽  
Tomoaki Konno ◽  
Keisuke Nonaka ◽  
Tatsuya Kobayashi ◽  
Haruhisa Kato ◽  
...  

2020 ◽  
Vol 10 (02) ◽  
pp. 65
Author(s):  
Agung Eko Sucahyono

Penggunaan bahan non-kayu sebagai alternatif dalam pembuatan kertas seni sangat dibutuhkan. Namun, kualitas kertas yang dihasilkan seringkali cukup rendah dari sisi kekuatan tariknya. Salah satu alat yang digunakan untuk meningkatkan kualitas kertas seni adalah beater machine. Penelitian ini menggunakan tandan kosong nipah (Nypa fruticans) dan batang pisang (Musa sapientum) sebagai bahan baku. Penelitian ini bertujuan untuk mengetahui hubungan antara penambahan beban pada mesin beater terhadap kuat tarik kertas seni. Metode yang digunakan adalah rancangan acak lengkap dengan variabel bebas yaitu variasi campuran dan berat pembebanan pada mesin beater. Hasil penelitian menunjukkan bahwa besar pembebanan pada mesin beater berpengaruh terhadap peningkatan kualitas kertas seni, sedangkan komposisi bahan tidak terlalu berpengaruh terhadap kualitas kertas. Kualitas kertas yang optimal diperoleh pada proporsi bahan baku pelepah nipah dengan campuran pelepah batang pisang 60%:40% dan berat pembebanan 3,9 kg, dengan nilai ketahanan tarik 4,24 kN/m atau 4.240 N/m.Kata kunci: kertas seni, mesin beater, nipah Effect of Refining Load on The Tensile Strength of Nypa and Banana Trunk Art PaperAbstractThe use of non-wood materials as an alternative in making of art paper is needed. However, the quality of the resulting paper is often quite low in terms of its tensile strength. One of the tools used to improve the quality of art paper is a beater machine. This research used nypha and banana trunk as raw material. This study aims to determine the relationship between the addition of load on the beater machine to the tensile strength of art paper. The method used is a randomized complete design with independent variables of variations in mixture and weight of loading on the beater machine. The results showed that the loading of the beater machine had an effect on improving the quality of art paper, while the composition of the material did not significantly affect the quality of the paper. Optimal paper quality was obtained from the proportion of nypa and banana trunk of 60%:40% and load weight of 3,9 kg, where the tensile strength was 4.24 kN/m or 4,240 N/m.Keywords: art paper, beater machine, nypa 


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