Zobrazeno 1 - 10
of 80
pro vyhledávání: '"Utami Dyah Syafitri"'
Publikováno v:
Jambura Journal of Mathematics, Vol 6, Iss 2, Pp 187-194 (2024)
One of the obstacles that arise in optimal design is the non-linear model. The relationship between temperature factors and the temperature increase rates with the purity of silicon dioxide (SiO2) forms a non-linear pattern. Determining the optimal d
Externí odkaz:
https://doaj.org/article/02455c60aa1b48f6a7767c26b0ae613f
Publikováno v:
Journal on Mathematics Education, Vol 15, Iss 2, Pp 431-450 (2024)
Motivation to learn mathematics decreased due to the inability of teachers to implement innovative learning models and techniques. Therefore, this study aimed to investigate the effects of teachers' ability on students' motivation to learn mathematic
Externí odkaz:
https://doaj.org/article/b8f6b5e952de49f08fe3996831ae30b1
Publikováno v:
Al-Khwarizmi: Jurnal Pendidikan Matematika dan Ilmu Pengetahuan Alam, Vol 12, Iss 1 (2024)
Abstract Multilevel regression is one of the methods used to analyze hierarchical data structures. One case of data with a hierarchical structure is the cumulative grade point average (GPA) data for students each semester (level one) which is nested
Externí odkaz:
https://doaj.org/article/914a3cdc496f4f588c53648f06a1f286
Publikováno v:
Jurnal Informatika, Vol 11, Iss 2, Pp 261-270 (2023)
Biclustering is a method of grouping numerical data where rows and columns are grouped simultaneously. The Cheng and Church (CC) algorithm is one of the bi-clustering algorithms that try to find the maximum bi-cluster with a high similarity value, ca
Externí odkaz:
https://doaj.org/article/f344949eb47f46ce82edf49fba0d3148
Autor:
Mochammad Taufiqurrachman, Utami Dyah Syafitri, Mohamad Miftah Rahman, Iskandar Z. Siregar, Lina Karlinasari
Publikováno v:
Forests, Vol 14, Iss 12, p 2434 (2023)
Tree stability relies on the characteristics of both root and crown structures. However, studying root systems is challenging due to their underground location, often requiring destructive methods for assessment. Non-destructive approaches offer pote
Externí odkaz:
https://doaj.org/article/71d4258817d2493fb296566d585021bb
Publikováno v:
Molekul, Vol 17, Iss 2, Pp 270-280 (2022)
Optimization extraction of the brown algae Padina australis using the Box-Behnken design has been carried out. Box-Behnken design in relation to Response Surface Methodology analysis was conducted with four experimental factors (i.e., solvent concent
Externí odkaz:
https://doaj.org/article/5461b13a9e0d46629ed2b54093f1b730
Autor:
Hanif Qaid, Ari Widyanti, Sheila Amalia Salma, Fitri Trapsilawati, Titis Wijayanto, Utami Dyah Syafitri, Nur Chamidah
Publikováno v:
IATSS Research, Vol 46, Iss 2, Pp 193-199 (2022)
Objective: Speeding has been reported as a major cause of highway accidents. The purpose of this study was to observe the speed choice and speeding intention of Indonesian drivers using the theory of planned behavior (TPB), legal sanctions, and Homel
Externí odkaz:
https://doaj.org/article/7782b98d3aaf4a50bad396dad0afd874
Autor:
Mohamad Rafi, Antonio Kautsar, Dewi Anggraini Septaningsih, Puput Melati, Rudi Heryanto, Irmanida Batubara, Utami Dyah Syafitri, Zulhan Arif, Nancy Dewi Yuliana, Tohru Mitsunaga, Erni Susanti
Publikováno v:
Arabian Journal of Chemistry, Vol 15, Iss 12, Pp 104277- (2022)
The authenticity of essential oils has become an important issue in supplying essential oil raw materials for the pharmaceutical, perfume, and cosmetic industries. Citronella oil is one of the essential oils used in those industries. Cymbopogon nardu
Externí odkaz:
https://doaj.org/article/713342f896664fe792a516338a97604d
Autor:
Lia Amalia, Nancy Dewi Yuliana, Purwantiningsih Sugita, Desi Arofah, Utami Dyah Syafitri, Anjar Windarsih, Abdul Rohman, Dachriyanus, Nor Kartini Abu Bakar, Feri Kusnandar
Publikováno v:
Heliyon, Vol 8, Iss 10, Pp e10882- (2022)
The purpose of this research was to characterize the volatile compounds, texture, and color profile of meatballs made from beef, rat, wild boar, and their combinations. Volatile compounds were analyzed using SPME/GC-MS and multivariate data analysis
Externí odkaz:
https://doaj.org/article/c0230019e82446e08b76d2f63aa7f225
Autor:
Mohamad Rafi, Winda Rismayani, Rita Merisa Sugiarti, Utami Dyah Syafitri, Wulan Tri Wahyuni, Eti Rohaeti
Publikováno v:
Indonesian Journal of Pharmacy, Pp 132-140 (2021)
Sonchus arvensis, the local name for tempuyung, is acknowledged to have many biological activities, including the antioxidant activity. This study aimed to cluster the leaves extracts based on the extracting solvent and to determine the functional gr
Externí odkaz:
https://doaj.org/article/7fd77dd89ba64a4cb4f34bcea552363b