Browsing Others by Author "Usman, Usman"
Now showing items 21-40 of 186
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BIOACTIVITY TEST OF COMPOUND (Hexa-Tetra Contana) FROM SPONGE (Callyspongia pseudoreticulata) AS ANTIBACTERIAL OF WITHERED DISEASE ON POTATO PLANT (Ralstonia solanacearum)
Usman, Usman (2017-10-20)Sponge is one of the marine organisms of coral reefs that is able to produce secondary metabolite compounds with varieties of bioactivity and structural variations; one of its biological activities is as an antimicrobial. ... -
Bioactivity Test of Compound (Hexa-Tetra Contana) From Sponge (Callyspongia pseudoreticulata) As Antibacterial of Withered Disease on Potato Plant (Ralstonia solanacearum)
Usman, Usman (UbiJournal Pvt Ltd, 2017-10-05)Sponge is one of the marine organisms of coral reefs that is able to produce secondary metabolite compounds with varieties of bioactivity and structural variations; one of its biological activities is as an antimicrobial. ... -
BIOACTIVITY TEST OF COMPOUND (Hexa-Tetra Contana) FROM SPONGE (Callyspongia pseudoreticulata) AS ANTIBACTERIAL OF WITHERED DISEASE ON POTATO PLANT (Ralstonia solanacearum)
Usman, Usman (2017-10-20)Sponge is one of the marine organisms of coral reefs that is able to produce secondary metabolite compounds with varieties of bioactivity and structural variations; one of its biological activities is as an antimicrobial. ... -
Bioaktivitas dan Kandungan Senyawa Kimia Tumbuhan Merung (Coptosapelta tomentosa)
Usman, Usman (JSK Farmasi Unmul, 2023-06-15)Coptosapelta tomentosa (sinonim: Coptosapelta flavescens Korth) merupakan salah satu tumbuhan obat yang banyak digunakan secara tradisional. Coptosapelta tomentosa dikenal dengan nama lokal Merung di Kalimantan Timur. ... -
Daftar Persyaratan Tambahan Kegiatan Membimbing KKN
Usman, Usman (2022-04-18) -
Daftar PT Kegiatan Membimbing Skripsi / Tugas Akhir Mahasiswa
Usman, Usman (2022-04-18) -
Daftar PT Kegiatan Membimbing Tesis / Disertasi
Usman, Usman (2022-04-18) -
Daftar PT Kegiatan Mendapat Hibah Penelitian (Sebagai Ketua Peneliti)
Usman, Usman (2022-04-18) -
Daftar PT Membimbing Kegiatan Kemahasiswaan
Usman, Usman (2022-04-18) -
Developing IT-Based Learning Media of the Aufbau Electron Configuration Principle in Constructivism Oriented Chemistry Learning to Improve Mastery of Concepts and Problem Solving Skills
Muhammd, Aripin; Mukhamad, Nirhaidi; Muh, Amir; Usman, Usman (AIP Conference Proceedings 2540, 040005 (2023), 2023-01-27)The development of IT-based Aufbau electron configuration principle media has been conducted. This study aims to identify the validity, practicality and effectiveness of the use of the media to improve students’ mastery ... -
Development Of Integrated Instrument Components Learning Media (KIT) Tamoka Pain Of Chemical Bonding Through Guided Inquiry Learning Model For X Class IPA Students Of SMAN 7 Samarinda
Sutarman, Sutarman; Usman, Usman; Lambang, Subagiyo (2023-01)Background: According to media expert validators, the average percentage score of aspects of content/material, linguistic, presentation, technical quality and effects on learning strategies is 93.50% while student ... -
Development of Learning Media for Chemistry Playing Cards Digital (Kami Kita) On Colloidal Material System
Damianus, Erik; Muhammad Amir, Masruhim; Aman Sentosa, Panggabean; Usman, Usman (Publisher: www.iosrjournals.org, 2022-07)Background: Thischemistrycardmediaprovidesopportunitiesforstudentstolearnactivelyanddevelopcreativeabilitiesinunderstan dingchemistryusinggames. The form of playing card games in chemistry learning is not muchdifferent ... -
Development of Learning Media for Chemistry Playing Cards Digital (Kami Kita) On Colloidal Material System
Damianus, Erik; Muhammad Amir, Masruhim; Aman Sentosa, Panggabean; Usman, Usman (Publisher: www.iosrjournals.org, 2022-07)Background: Thischemistrycardmediaprovidesopportunitie sforstudentstolearnactivelyanddevelopcreativeabilitiesinunderstan dingchemistryusinggames. The form of playing card games in chemistry learning is not muchdifferent ... -
Development of Learning Media for Chemistry Playing Cards Digital (Kami Kita) On Colloidal Material System
Damianus, Erik; Muhammad Amir, Masruhim; Aman Sentosa, Panggabean; Usman, Usman (2022-07)Background: Thischemistrycardmediaprovidesopportunitiesforstudentstolearnactivelyanddevelopcreativeabilitiesinunderstan dingchemistryusinggames. The form of playing card games in chemistry learning is not muchdifferent ... -
The Effectiveness of Using Learning Media 3D Pop-Up Chemistry Assisted by Project Based Learning (PjBL) Learning Model Against Student Learning Outcomes on the Subject of Colloid Systems in SMA Negeri 12 Samarinda
Ijai, Ijai; Lambang, Subagiyo; Nurlaili, Nurlaili; Usman, Usman (www.iosrjournals.org,, 2021-04-01)Background: Learning media is one important aspect that can affect the quality of student learning at school. Lack of use of media in the learning process can affect student motivation and learning outcomes in schools, ...