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All Journal Al-Fiziya: Journal of Materials Science, Geophysics, Instrumentation and Theoretical Physics Komunikasi Fisika Indonesia Jurnal Teknosains Jurnal Fisika Unand JOURNAL ONLINE OF PHYSICS Jurnal Fisika FLUX ZERO : Jurnal Sains, Matematika dan Terapan Jurnal Rekayasa Material, Manufaktur & Energi Jurnal Redoks Zero : Jurnal Sains, Matematika, dan Terapan JISTech (Journal of Islamic Science and Technology) Fisitek : Jurnal Ilmu Fisika dan Teknologi JURNAL PENDIDIKAN TAMBUSAI JOURNAL OF SCIENCE AND SOCIAL RESEARCH Saintifik : Jurnal Matematika, Sains, dan Pembelajarannya Jurnal Elemen Jurnal Kumparan Fisika Pascal: Journal of Physics and Science Learning Jurnal Fisika dan Terapannya Navigation Physics : Journal of Physics Education Mimbar Kampus Journal of Technomaterial Physics Jurnal Energi Baru dan Terbarukan CHEDS: Journal of Chemistry, Education, and Science Jurnal Riset Rumpun Matematika dan Ilmu Pengetahuan Alam (JURRIMIPA) EINSTEIN (E-JOURNAL) Jurnal Ilmu dan Inovasi Fisika

Ety Jumiati

Universitas Islam Negeri Sumatera Utara

Author-ID : 3846589

Religion Aerospace Engineering Agriculture, Biological Sciences & Forestry Astronomy Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Social Sciences Other

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MODEL OF SPREAD CONTENT DISEASE FOR ASSOCIATION OF VACCINE Jumiati, Ety; Husein, Ismail
ZERO: Jurnal Sains, Matematika dan Terapan Vol 4, No 2 (2018): July - Desember
Publisher : UIN Sumatera Utara Medan

Transmission of infectious diseases in epidemiological models is usually based on the assumption that populations in random mixing. However, in reality this assumption is not fulfilled, because each individual has a limited set of contacts that they can pass through infection; the ensemble of all such contacts forms a complex network. Knowledge of network structure allows a model to calculate the dynamics of an epidemic at a population scale from individual level infection behavior. This paper discusses mathematical models to illustrate the epidemic pattern of transmission of infectious diseases in dynamic networks based on compartment systems.

MODEL OF SPREAD CONTENT DISEASE FOR ASSOCIATION OF VACCINE Jumiati, Ety; Husein, Ismail
ZERO: Jurnal Sains, Matematika dan Terapan Vol 2, No 2 (2018): Zero: Jurnal Sains Matematika dan Terapan
Publisher : UIN Sumatera Utara

PENGARUH SIFAT MEKANIK DAN LAJU PEMBAKARAN PADA BRIKET BIOARANG KULIT DURIAN DENGAN PEREKAT TEPUNG TAPIOKA Ety Jumiati
JISTech (Journal of Islamic Science and Technology) Vol 5, No 1 (2020)
Publisher : UIN Sumatera Utara Medan

Telah dilakukan pembuatan briket bioarang dengan bahan dasar kulit durian dan perkat tepung tapioka. Variasi komposisi kulit durian dan perekat tepung tapioka antara lain: 70% : 30%, 65% : 55% dan 60% : 40% dengan perbandingan tepung dan air (1:3) serta waktu pengeringan yaitu selama 3 hari. Parameter pengujian yang dilakukan meliputi: kuat tekan dan laju pembakaran. Data hasil pengujian diperoleh briket bioarang yang merupakan hasil yang optimal yaitu pada sampel B dengan komposisi 65% : 35%. Pada Sampel B, briket bioarang yang diperoleh menghasilkan nilai kuat tekan 10,915 kg/cm2, dan laju pembakaran 0,0471 g/menit yang sesuai standar mutu briket Indonesia sehingga briket bioarang dapat dimanfaatkan dalam skala rumah tangga.

ANALYSIS OF THE PHYSICAL PLAFON PLACES BASED PAPER BREEDING Ety Jumiati; Sri Wahyuni Ritonga; Abdul Halim Daulay
FISITEK: Jurnal Ilmu Fisika dan Teknologi Vol 4, No 1 (2020)
Publisher : Universitas Islam Negeri Sumatera Utara Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30821/fisitek.v4i1.7917

A pulp-based ceiling board has been made. Variations in the composition of mixing cement and pulp used include: 70%: 30%, 60%: 40%, and 50%: 50% and Variations in the composition of mixing cement, sand and pulp used include: 50%:20%:30%, 40%:20%:40%, 30%:20%:50% with FAS 0,4 and the printing and pressing time is 24 hours. The parameters of the test include: water absorption and density. Analysis of the ceiling board physical produced in sample A with a composition of 70%: 30% has a water absorption value = 19% and density = 1.58%, in sample B with a composition of 6%: 40% has a water absorption value = 26 , 8% and density = 1.53%, in sample C with a composition of 50%: 50% has a water absorption value = 26.05% and density = 1.45%, in sample D with a composition of 50%:20%:30% has a water absorption value = 24,3% and density = 1.67%, in sample E with a composition of 40%:20%:40% has a water absorption value = 20,9% and density = 1.45%, in sample F with a composition of 30%:20%:50% has a water absorption value = 14,8 % and density = 1.34%.

MANUFACTURE OF LIGHTWEIGHT CONCRETE BASED ON ORGANIC WASTE Ety Jumiati; Masthura Masthura
FISITEK: Jurnal Ilmu Fisika dan Teknologi Vol 2, No 1 (2018)
Publisher : Universitas Islam Negeri Sumatera Utara Medan

The making of lightweight concrete for lightweight construction materials has been conducted with raw materials based on organic waste from households. The purpose of this study was to utilize household organic waste as aggregate for the manufacture of lightweight concrete. The materials used consist of organic waste, sand, cement, and latex resin with the variation of organic waste composition are 0, 25, 50, 75, and 100% by volume and the addition of latex resin are 10, 12, and 14% by volume. Test parameters performed include density, water absorption, shrinkage, compressive strength, tensile strength, and flexural strength. The result showed that the optimal composition of produced concrete are 25% by volume of waste and 12% by volume of latex resin with the density = 1.46 g/cm3, water absorption = 26.70%, shrinkage = 0.143%, compressive strength = 7.10 MPa, tensile strength = 2.10 MPa, and flexural strength = 2.67 MPa.Keywords: Latex, lightweight concrete, and organic waste.

PHYSICAL PROPERTIES AND MICROSTRUCTURE OF PARTICLE BOARDS BASED ON PALM OIL PALM EMPTY FRUITS AND BAMBOO POWDER WITH A MIXED ADHESIVE OF GAMBIR AND UREA FORMALDEHYDE Nanda Putri Afrilda; Ety Jumiati; Abdul Halim Daulay
FISITEK: Jurnal Ilmu Fisika dan Teknologi Vol 5, No 1 (2021)
Publisher : Universitas Islam Negeri Sumatera Utara Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30821/fisitekfisitek.v5i1.9707

This test was carried out to reduce waste in coconut empty fruit bunches and to determine the characteristics and microstructure of the particle board surface. The samples used consisted of bamboo powder and oil palm empty fruit bunches with gambier adhesive and urea formaldehyde with variations including: 10%:75%:15%:11%; 20%:65%:15%:11%, 30%:55%:15%:11%, 40%:45%:10%:11%. The particleboard was printed and pressurized using a hot press of 16kg/cm2 for 15 minutes at a temperature of 120 oC, with a drying time of 14 days. The test parameters include: density, moisture content, thickness expansion, and microstructural analysis using SEM (Scanning Electron Microscopy) which refers to SNI 03-2105-2006. The characterization of particleboard produced in the density test is 0.66-0.74 g/cm3, the water content value is 2.4-6.9%, the thickness expansion value is 7.2-12%. Based on the percentage value of the density of the resulting particleboard is a medium density particleboard.

ANALYSIS OF PHYSICAL PROPERTIES OF GYPSUM PANELS FROM BANANA BOARD WASTE MATERIAL Ety Jumiati; Abdul Halim Daulay; Nurhayati Nurhayati
FISITEK: Jurnal Ilmu Fisika dan Teknologi Vol 5, No 2 (2021)
Publisher : Universitas Islam Negeri Sumatera Utara Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30821/fisitekfisitek.v5i2.9982

Abstract. Research has been carried out which aims to determine the manufacture and physical properties of gypsum panels in the manufacture of gypsum panels for home interiors using banana midrib waste which is converted into fiber. Variations in the composition of mixing gypsum flour with banana midrib fiber include: Samples (A: 0%:100%) , (B: 2%:98%), (C: 4%:96%), (D: 6%:94 %), (E: 8%: 92%), and (F: 10%: 90%) with a FAS of 0.5. The physical test parameters include: Density, Water absorption, and Thickness expansion. From the test results obtained gypsum panels that are The best is in sample B which has a density value = 1.19 g/cm3, water absorption value = 24%, a thickness expansion value = 2.53%, which has complied with SNI 01-4449-2006 on the ceiling board. Key words: Gypsum panels, banana midrib, and gypsum flour.

Analysis Of The Mechanical Properties Of Brick With The Addition Of Cotton Ety Jumiati; Nita Zahara Nasution; Abdul halim Daulay
FISITEK: Jurnal Ilmu Fisika dan Teknologi Vol 4, No 2 (2020)
Publisher : Universitas Islam Negeri Sumatera Utara Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30821/fisitekfisitek.v4i2.9886

AbstractIt has been done making bricks with the addition of cotton.Variations in the mixture of cement, sand and cotton are sample A (30%:70% :0%), sample B (30%:69,5%:0,5%), sample C (30%:69%:1%), sample D (30%:68,5%:1,5%), Water Cement Factor of 0,5 and dry time one day. Characteristic of the tests carried out include: compressive strength and fracture strength.Analysis of the mechanical properties of the bricks produced in sample A with a compressive strength value = 28.81 kg/cm2 and fracture strength value = 23.11kg/cm2, sample B with acompressive strength value = 26.85 kg/cm2 and fracture strength value = 22.32 kg/cm2, sample C with a compressive strength value = 25.10 kg/cm2 and fracture strength value = 15.09 kg/cm2, sample D with a compressive strength of 17.14 kg/ cm2 and a fracture strength value 15.51kg/cm2. The bricks produced namely in sample B.Keywords :Bricks, Cotton, and Cement

ANALYSIS OF MECHANICAL PROPERTIES OF PARTICLE BOARD BASED DURIAN SKIN AND SUGAR CANE BAGASSE WITH FORMALDEHIDA UREA ADHESIVE Ety Jumiati; Rika Safitri; Abdul Halim Daulay
FISITEK: Jurnal Ilmu Fisika dan Teknologi Vol 4, No 1 (2020)
Publisher : Universitas Islam Negeri Sumatera Utara Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30821/fisitek.v4i1.7918

The particle board was made based on mixing durian skin and sugar cane bagasse with urea formaldehyde adhesive. The variations the composition of mixing durian skin, sugar cane bagasse with urea formaldehyde adhesive used among other: 35%:35%:30%, 30%:30%:40%, and 25%:25%:50% and printing time and pressing for 24 hours. The parameters of the testing include: Modulus of Rupture (MOR) dan Modulus of Elasticity (MOE). Analysis of the mechanical properties of the particle board produced at the composition of 35%:35%:30% which has a value MOR = 446,17 kgf/cm2 and MOE = 160,9 kgf/cm2, at the composition of 30%:30%:40%, has a value MOR = 1369,57 kgf/cm2 dan MOE = 3903,3 kgf/cm2, at the composition of 25%:25%:50%, has a value MOR = 1463,07 kgf/cm2, dan MOE = 3342,1 kgf/cm2 which matches SNI 03-2105-2006 criteria type 8 is not required.

analysis of mechanical properties of ceiling boards based on corn cobs and coconut coir waste with latex adhesive ety Jumiati; ufik eliati tumanggor; Abdul halim daulay
FISITEK: Jurnal Ilmu Fisika dan Teknologi Vol 5, No 2 (2021)
Publisher : Universitas Islam Negeri Sumatera Utara Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30821/fisitekfisitek.v5i2.10003

AbstractCeiling evelopment by utilizing waste corn cobs, coconut coir with gypsum flour an the adition of latex adhesive. Variations in the composition of the mixture of corn cobs, coconut coir, gypsum flour with latex adhesive include sample A (0:0:100:15), sample B (3:3:94:15), sample C (6:6:88:15), sample D (9:9:82:15), sample E (12:12:76:15), and sample F (15:15:70:15) with emphasis using a hot press and drying for 28 days. The test parameters include flexural strength and fracture strength. The test results show that sample B in the composition (3:3:94:15) is the optimal result. In this composition, the resulting ceiling board has the characteristics of a flexural strength of 3966,39 kgf/cm2 and a fracture strength of 1088,6 kgf/cm2.Keyword : Lateks , Ceiling Board, Coconut Coir, Corn Cob

Co-Authors ., Masthura Abdul Halim Daulay Adiani Nasution, Arfa Afifah Azmi Aiysah Hannum Pulungan Ananda Tira Septiana Sari Ananda, Putri Dwi Arif Amri Panggabean Armais Mutiah Abdul Hidayat Aruan, Ririn sagita asnitha aritonang Asyari, Auly - Ayu Amalya Rahma Ayu Dwi Retno Azmi, Afifah Bayu Anugrah KS Br Lubis, Lailatul Husna Dian Frasisca Dika Prananda Dimas Pratama, Dimas endang sagita ritonga Ervina Putri Wulandari Fazira, Natasya Aulia Harahap, Nurlaila Sari Harahap, Sarah Aprilia Hayat, Lisa Fadhilah Husna Br. Lubis, Lailatul Husnah, Miftahul - Hutauruk, Siti Aulia Ismail Husein, Ismail Khairunnisa, Umi Khairunnisa khofifah khofifahparawansyah Kiki Noviansyah Lubis, Fadilah Azzahra Masthura Masthura, Masthura Masthura, Masthura Masturah Masturah Mella Yolanda Alfika Meutia Nanda Miftahul Husnah Miftahul Husnah Miftahul Husnah Mughiroh, Hafizul Mulia Ningsih Nabilah, Cinthia Farah Nanda Putri Afrilda Nanda, Meutia Nasution, Annisa Salsha Safira Nasution, Annisa Wulan Dhari Nasution, Nazaruddin Nazaruddin Nasution Nia Soraya Niken Ayu Ningsih, Mulia Nita Zahara Nasution Noviansyah, Kiki Nujulia Subuharni Nur Ainun Munthe Nur Aisah Sagala Nur'aini Fadillah Nurfebia, Karina Nurhayati Nurhayati Nurlaila Sari Harahap Pratiwi, Pebi Ajeng Putri Indah Sari Putri Nadila Rachmaini, Alya Rahmad Rani Saputri Ratni Sirait Ratni Sirait Ratni Sirait Ratni Sirait, Ratni Riadina Siregar Ridwan Yusuf Lubis Ridwan Yusuf Lubis Rika Ramtika Rika Safitri Ririn sagita Aruan Rizki Qorina Safina, Nurul Sandi Tri Febriani Sari, Devi Kumala Sariah, Jati Nur Silalahi, Homsiah Mayang Sari Siti Munawaroh Siti Munawaroh Siti Putri Masyitah Siti Rahma Daulay Sonia Tampubolon Srg, Dini Anggraini Sri Ayu Lestari Sri Wahyuni Ritonga Suci Amanda Suci Sulkha, Amalia Sunny Nafisah Tambunan, Efrida Pima Sari Tia Rahmadani Tiara, Finky Manda Titi Winda Sari Tri Ninda Malika ufik eliati tumanggor Umairoh, Ninda

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