scholarly journals UJI KONDUKTIVITAS TERMAL KOMPOSIT POLIESTER FILLER SERBUK KAYU ULIN (EUSIDEROXYLON ZWAGERI)

JTAM ROTARY ◽  
2021 ◽  
Vol 3 (2) ◽  
Author(s):  
Fakhdilah Bustomi ◽  
Abdul Ghofur

To find out the best thermal conductivity value on the volume fraction of ironwood polyester filler composite (Eusideroxylon Zwageri) and to determine the effect of the number of voids on the value of the thermal conductivity of the ironwood polyester composite composite (Eusideroxylon Zwageri). This study uses an experimental method by conducting thermal and microstructure conductivity tests to see the many voids that have formed. The object in this study uses ironwood powder. Data analysis techniques in this study used descriptive data analysis which is describing research results graphically in a table. Input parameters in analyzing data include variations in the mixture of ironwood powder and resin (20% -80%, 25%: 75% and 30%: 70%), and 100% resin. The results of the study of the effect of the volume fraction of ironwood polyester composite composites on the value of thermal conductivity decreased with increasing volume of ironwood powder with the smallest thermal conductivity value at 30% volume fraction of ironwood powder : 70% polyester resin matrix that is 0.041 W/moC. The influence of the amount of voids on the thermal conductivity value of ironwood polyester composite composites can be seen that the more voids the smaller the thermal conductivity values. The number of voids along with the increasing volume of ironwood powder.

2020 ◽  
Vol 38 (3B) ◽  
pp. 104-114
Author(s):  
Samah M. Hussein

This research has been done by reinforcing the matrix (unsaturated polyester) resin with natural material (date palm fiber (DPF)). The fibers were exposure to alkali treatment before reinforcement. The samples have been prepared by using hand lay-up technique with fiber volume fraction of (10%, 20% and 30%). After preparation of the mechanical and physical properties have been studied such as, compression, flexural, impact strength, thermal conductivity, Dielectric constant and dielectric strength. The polyester composite reinforced with date palm fiber at volume fraction (10% and 20%) has good mechanical properties rather than pure unsaturated polyester material, while the composite reinforced with 30% Vf present poor mechanical properties. Thermal conductivity results indicated insulator composite behavior. The effect of present fiber polar group induces of decreasing in dielectric strength, and increasing dielectric constant. The reinforcement composite 20% Vf showed the best results in mechanical, thermal and electrical properties.


2020 ◽  
Vol 2 (2) ◽  
pp. 160
Author(s):  
Fery Fery ◽  
Muhamad Dasril

This study aims to determine aspects of satisfaction and increase knowledge of participants in participating in the Business Recovery Plan Training (RPU) in the Micro and Tsunami Recovery Program for the Disasters of the Earthquake and Tsunami conducted by the Muhammadiyah Disaster Management Center (MDMC) in collaboration with Solidar Suisse. This type of research is a qualitative descriptive, data collection methods of observation studies, interviews, documentation, and data analysis techniques through interpretive analysis approach techniques. The results of the study showed that most of the Sirenja people who participated in the Business Recovery Plan Training (RPU) were satisfied and had understood about the preparation of the RPU on good performance. But it is still low in the practice of preparing RPU.


2020 ◽  
Vol 2 (2) ◽  
pp. 1-6
Author(s):  
Choirul Kurniawan

This study aims to measure and foster pleasure in counting with the Jarimatika method. This research was conducted collaboratively with classroom teachers in learning activities in class. The research subjects of Class A Bahrul Ulum TK in Karangduren Village, Pakisaji District, Malang Regency were 20 students. Data collection techniques: tests, observations, interviews and documentation, descriptive data analysis techniques. The purpose of this study is to help students grow their joy in learning mathematics with the Jarimatika method and help teachers to be more creative in making interesting and innovative methods in the classroom.


2018 ◽  
Vol 7 (4.7) ◽  
pp. 406 ◽  
Author(s):  
Baqubah Technical Institute ◽  
Middle Technical University (MTU)

In the present research, the effect of micro river shell percentage on thermal conductivity properties and flexural strength of the polyester compound with different Weight amount (5%, 10%, 15%, 20%, 25%) to the resin. Glacial river shell particle size was introduced in 8 μm, therefore, The thermal conductivity test and flexural strength were performed on samples. The results indicated river shell percentage decrease the thermal conductivity of a polyester composite with an ideal percentage was 10% and the highest flexural strength weight amount 5wt% of River shell. 


2021 ◽  
Vol 13 (1) ◽  
pp. 60-72
Author(s):  
Ery Suryanti ◽  
Hendra Lesmana ◽  
Husni Mubarok

Marketing is an activity in which a business actor offers his product to consumers in order to receive the product with all ideas and ideas so that the product can be sought after by consumers. Marketing is an important element that must be considered so that it is in line with expectations, which is to get the expected consumers. Various types of MSMEs that stand and various types of products offered from all that exist are almost the same because MSME products are easy to make with materials that are not so expensive. Of the many types of products that exist MSMEs need more creative innovation so consumers can be interested because there are types of products that are almost every day the same so here it is necessary to have the courage to create products that cannot be competed. Using a SWOT analysis can find out how the marketing strategy is right on target. Includes internal factors, namely strengths and weaknesses and external factors, namely opportunities and threats that are owned by MSMEs. As well as knowing the objectives of the marketing strategy used so that it can increase revenue with many consumers interested in the product being sold. Data collection techniques through documentation, interviews and observations. Data analysis techniques used research documentation and descriptive analysis.


2018 ◽  
Vol 5 (2) ◽  
pp. 133-144
Author(s):  
Suharmiati . ◽  
Budi Harni

This study aims to determine the behavior of modern retail consumers will use plastic bags in shopping at modern retail stores Indonesia. The second goal of this research is to know consumer perception of product and price from environmentally friendly shopping bag packaging product. The third objective is to know the business opportunity of environmentally friendly shopping bags. Samples were chosen using non-probability technique ie convenience sampling with sample size was 194 respondents. Data collection techniques used questionnaire instruments with data analysis techniques using descriptive data analysis and non-parametric paired sample comparison analysis methods. Based on the results of the analysis datadiketahui that consumer behavior is the respondents of this research is not or have not moved to take the initiative to carry their own shopping bags, when shopping at modern retail stores.


EDU-KATA ◽  
2021 ◽  
Vol 7 (1) ◽  
pp. 59-66
Author(s):  
Rahmat Rahmat

The purpose of this thesis research is to describe the character values ​​taught by Harfin in the novel Loving Him before Loving You. This study uses a qualitative method. Qualitative method as a research procedure that produces descriptive data in the form of words, phrases, clauses, and sentences for each paragraph. Research data are data sources, collection techniques and data analysis techniques which include data description, data analysis and data conclusions. Data analysis was carried out by content analysis to reveal the 5 character values, namely religious character, mutual cooperation, independence, nationalism and integrity. Religious characters have good characters (protagonists) and person who are ugly. Character of mutual cooperation is the attitude of helping and advising each other. The usual independent character lives in deprivation, hard work, has a motivation that is less dependent on others. Nationalism character in the form of dedication of honorary teachers in an elementary school. The integrity character of hard work with confidence and optimism can complete the work while praying to Him. The character implanted can be a reference for learning in schools in order to realize Indonesian children who are religious, mutual help, independent, nationalism and integrity.


2019 ◽  
Vol 2 (2) ◽  
pp. 190-211
Author(s):  
Agung Nugroho ◽  
Inda Puspita Sari

This study aims to gain an understanding of the comparison of language styles in a collection of End-of-Season Phrases by Adiska Nirmaya and a collection of Nafaskarya Fatimah Musawa poems. The method used is qualitative descriptive. Data collection techniques in research using documentation techniques. Data analysis techniques with steps: data reduction, data display, and conclusion and verification. The results of the study show that there are comparisons of comparative language styles and opposing language styles. Comparative language style in the collection of End-of-Season Phrases by Adiska Nirmala amounts to 18 data and the language style of contention is 5 data, based on the language style that dominates the collection of Phrase Poems at the End of Season. Whereas the collection of Nafas poems by Fatimah Musawa, namely: Language style comparisons totaling 9 data. While the language style of contention is 11 data. Conclusions, a collection of End-of-Season Phrases by Adiska Nirmaya is more dominant in the style of comparison and the collection of Nafas poems by Fatima Musawa has a dominant style of language in opposition. Keywords: Language Style, Collection of Poetry.


LETS ◽  
2021 ◽  
Vol 3 (1) ◽  
pp. 39-46
Author(s):  
Selvianah Selvianah ◽  
Achmad Taqlidul Chair Fachruddin ◽  
Nihla Afdaliah

This research aims to see the implementation of WhatsApp media in EFL Classroom. Researcher used qualitative descriptive data collection through observation to see the learning process that took place in WhatsApp group, then interviewed students and teacher, and finally documentation. Data analysis techniques in this research are data reduction, data presentation and conclusion drawing. From the research results, it can be seen that the learning process is divided into three stages, namely: 1) Planning, 2) Implementation which is divided into three stages, namely: opening, core and closing activities and 3) evaluation. In this case, students can still participate in the learning process using WhatsApp group and easily accessible, save quota and also have various features that teacher can choose to use in the learning process such as WhatsApp groups, chat messages, document files, videos or photos. In addition, there are still obstacles that faced by teacher and students such as teacher cannot observe directly, learning is not optimal, poor internet network, full cellphone memory or lack of understanding of the material.


Jurnal IPTA ◽  
2021 ◽  
Vol 9 (1) ◽  
pp. 88
Author(s):  
I.G.A.O. Mahagangga ◽  
I Putu Anom ◽  
I Made Kusuma Negara

The tourism development in many tourism destination appears to ignore history. Geneology or social record as a history of the formation of existing conditions is considered less important. This study try to understand by apply the tourimsmorphosis concept in Badung, Banyuwangi and East Luwu. Tourismmorphosis as the evolution of tourism can be both progress and regress as an inevitable change. Consisting of the introductory stage, the reaction stage, the institutionalization stage and the compromise stage. The research paradigm is qualitative with qualitative methods and techniques, hermeneutic data analysis techniques and thick descriptive data presentation. The research results understanding that Badung was at the compromise stage, Banyuwangi at the institutional stage and East Luwu at the introductory stage. Hence, the consider of research findings could be used as a basis for future tourism development.


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