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All Journal Jurnal Sains Materi Indonesia Jurnal Kedokteran dan Kesehatan : Publikasi Ilmiah Fakultas Kedokteran Universitas Sriwijaya Jurnal Tapis : Jurnal Teropong Aspirasi Politik Islam Prosiding Semnastek al-Afkar, Journal For Islamic Studies Fair Value: Jurnal Ilmiah Akuntansi dan Keuangan Majalah Patologi Indonesia Bioscientia Medicina : Journal of Biomedicine and Translational Research JIEB : Jurnal Ilmiah Ekonomi Bisnis Jurnal Fakultas Ilmu Keislaman UNISA Kuningan Jurnal RSMH Palembang Kaunia: Integration and Interconnection of Islam and Science Journal Jurnal Ekonomi Bisnis, Manajemen dan Akuntansi (JEBMAK) Jurnal Riset Rumpun Ilmu Ekonomi (JURRIE) Metalurgi VISA: Journal of Vision and Ideas RESLAJ: Religion Education Social Laa Roiba Journal Jurnal Dirosah Islamiyah El-Mujtama: Jurnal Pengabdian Masyarakat EduInovasi: Journal of Basic Educational Studies Jurnal Riset Multidisiplin Edukasi Journal of Financial Management & Accounting
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PENGARUH VARIASI BERAT FOAMING AGENT CaH2 TERHADAP KARAKTERISTIK PADUAN Mg-Ca-Zn METAL SELULAR BERBASIS SISTEM Mg-Zn-CaH2 Ika Kartika; M Ikhlasul Amal; Cahya Sutowo; Sulistyoso Gian Sukarso; Bambang Sriyono
Metalurgi Vol 29, No 2 (2014): Metalurgi Vol.29 No.2 Agustus 2014
Publisher : National Research and Innovation Agency (BRIN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (624 KB) | DOI: 10.14203/metalurgi.v29i2.286

Abstract

PENGARUH WAKTU MILLING PADA PADUAN Mg-Ca-Zn-CaH2 UNTUK APLIKASI IMPLAN[The Effects of Milling Time On Mg-Ca-Zn-CaH2 Alloys for Implant Application] Franciska Pramuji Lestari; Yudi Nugraha T; Ika Kartika; Bambang Sriyono
Metalurgi Vol 28, No 2 (2013): Metalurgi Vol.28 No.2 Agustus 2013
Publisher : National Research and Innovation Agency (BRIN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (713.369 KB) | DOI: 10.14203/metalurgi.v28i2.248

Abstract

PROSES DEFORMASI SANGAT TINGGI (SEVERE PLASTIC DEFORMATION) TERHADAP PADUAN Al-5052 HASIL ANILING[Severe Plastic Deformation Process of Annealed Al-5052 Alloy] Ika Kartika
Metalurgi Vol 27, No 3 (2012): Metalurgi Vol.27 No.3 Desember 2012
Publisher : National Research and Innovation Agency (BRIN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (976.72 KB) | DOI: 10.14203/metalurgi.v27i3.229

Abstract

Struktur Mikro, Sifat Mekanik, Dan Ketahanan Korosi Paduan Mg-Zn-Ca Yang Dihasilkan Melalui Proses Metalurgi Serbuk [Microstructure, Mechanical And Corrosion Properties of Mg-Zn-Ca Alloy via Powder Metallurgy] Dhyah Annur; Franciska Pramudji Lestari; Aprilia Erryani; M Ikhlasul Amal; Lyandra S Sitorus; Ika Kartika
Metalurgi Vol 31, No 3 (2016): Metalurgi Vol. 31 No. 3 Desember 2016
Publisher : National Research and Innovation Agency (BRIN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (7886.384 KB) | DOI: 10.14203/metalurgi.v31i3.173

Abstract

Magnesium (Mg), known for its biodegradable and biocompatible properties, currently is being developed for biodegradable implant material. Unfortunately, application of Mg in biomedical devices was limited due to its low mechanical strength and low corrosion resistance. In this study, powder metallurgy was selected to process Mg-3Zn-1Ca, Mg-29Zn-1Ca, and Mg-53Zn-4.3Ca (in weight%) alloys. Holding time of sintering were varied for five and ten hours. Microstructure of Mg alloy was characterized by SEM (scanning electron microscope) and also XRD (x-ray diffraction). Compression testing was done to show the mechanical strength of Mg alloy, while corrosion resistance was examined through electrochemical testing. This study showed that ten hours of sintering time would increase mechanical properties of Mg alloy but would reduce corrosion resistance. The lowest corrosion rate was 0.32 mmpy given by Mg-29Zn-1Ca alloy and Mg-53Zn- 4Ca alloy which were sintered for five hours. Therefore, sintering time for five hours was found to be the optimum time to process Mg-Zn-Ca alloy for biodegradable implant material.AbstrakMagnesium (Mg), dengan kemampuan mampu luruh dan biokompatibilitas, merupakan salah satu logam yang kini dikembangkan sebagai material implan mampu luruh. Namun, penggunaan Mg dalam aplikasi biomedis masih terkendala kekuatan dan ketahanan korosi yang rendah. Pada penelitian kali ini proses metalurgi serbuk dipilih untuk membuat paduan Mg-3Zn-1Ca, Mg-29Zn-1Ca, and Mg-53Zn-4.3Ca (dalam %berat) dengan variasi waktu tahan sintering lima jam dan sepuluh jam. Pengaruh waktu tahan sintering dikaji dari segi kekuatan tekan dan ketahanan korosi paduan. Karakterisasi struktur mikro paduan Mg dilakukan dengan menggunakan scanning electron microscope (SEM) dan juga x-ray diffraction analysis (XRD). Dilakukan pengujian tekan untuk mengetahui nilai kekuatan paduan sedangkan ketahanan korosi dianalisis dengan menggunakan pengujian elektrokimia.  Waktu  tahan sintering selama 10 jam akan meningkatkan kekuatan mekanik namun menurunkan ketahanan korosi paduan. Laju korosi yang terbaik (0,32 mmpy) ditunjukkan oleh paduan Mg-29Zn-1Ca dan Mg-53Zn-4Ca dengan waktu tahan lima jam. Oleh karena itu, waktu tahan sintering yang optimum  adalah lima jam untuk menghasilkan paduan Mg-Zn-Ca untuk material implan.
FENOMENA DYNAMIC STRAIN AGING PADA PROSES TEMPA PANAS PADUAN Co-33Ni-20Cr-10Mo[Dynamic Strain Aging Phenomena of Co-33Ni-20Cr-10Mo Alloy During Hot Forging] Ika Kartika
Metalurgi Vol 27, No 1 (2012): Metalurgi Vol. 27 No. 1 April 2012
Publisher : National Research and Innovation Agency (BRIN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (877.426 KB) | DOI: 10.14203/metalurgi.v27i1.136

Abstract

The Association of Plasma Cell Density of the Microenvironment with Classical Hodgkin Lymphoma Stage Neti Neti; Krisna Murti; Ika Kartika
Majalah Patologi Indonesia Vol. 32 No. 3 (2023): MPI
Publisher : Perhimpunan Dokter Spesialis Patologi Anatomik Indonesia (PDSPA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55816/mpi.v32i3.652

Abstract

Background Plasma cells are important prognostic factors in various malignancies including Classical Hodgkin lymphoma (CHL). In the CHL microenvironment, plasma cells are the main prognostic factors, but research of relationship between plasma cell density in the microenvironment and CHL stage is still very limited. This study aims to determine the relationship between plasma cell density in the microenvironment and the CHL stage. Methods A case series procedure was conducted. The samples were paraffin blocks of CHL patients at Anatomic Pathology Department of Faculty of Medicine Universitas Sriwijaya/Mohammad Hoesin General Hospital. Among 47 cases of CHL diagnosed from 1st Januari 2018 to 30th November 2022, only 30 cases were included. Immunohistochemistry was performed by using specific antibody of plasma cells (anti-CD138 antibody). The number of plasma cells in each sample was calculated based on the expression of CD138 in the cell membrane and cytoplasm with weak-strong intensity. Then the cut-off point value was determined based on the ROC curve to classify the high and low plasma cell densities. The density of plasma cells was correlated to clinicopathological characteristics including age, sex, tumor location, CHL subtypes and stage. Statistical analysis was performed using Spearman test of SPSS with significant consideration if p<0.05. Results A high proportion (>10,9) of tumour-associated plasma cells of the tumor microenvironment was found in CHL advanced stage. Spearman test resulted in a significant correlation between density of plasma cell with advanced stage classical Hodgkin lymphoma (p=0.000). Conclusions There is significant relationship between high density of plasma cells with CHL stage.
Kepemimpinan Ideal di Era Milenial Ika Kartika; Fajrul Hamdi Barmawi; Neni Yuningsih; Ratu Asma; Umar Mone
VISA: Journal of Vision and Ideas Vol. 4 No. 1 (2024): VISA: Journal of Vision and Ideas
Publisher : IAI Nasional Laa Roiba Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47467/visa.v4i1.1266

Abstract

Leadership is an important thing in social life. There is no doubt about it. The election of leaders has become a party in various countries around the world including Indonesia. Ideal leadership for the millennial generation must be able to adapt to the demands and development of the times. Even though the existence of leadership varies and each has its value and effectiveness, of course the thing that stands out in ideal leadership for the millennial generation is servant leadership which has the strongest relationship, for the millennial generation, the ideal of a leader is characterized by how much the leaders understand the media (technology literacy). When leaders in the millennial generation are not technologically literate, they will be ready to be abandoned by their followers.
Peningkatkan Kinerja Guru Melalui Penerapan Gaya Kepemimpinan Kepala Sekolah di MA Majma’ul Bahroin Desa Tapos II Tenjolaya Ika Kartika; Siti Masitho; Sri Yanih; Tri Sumarsih; Deni Ramdhani
Reslaj: Religion Education Social Laa Roiba Journal Vol. 6 No. 4 (2024): Reslaj: Religion Education Social Laa Roiba Journal
Publisher : Intitut Agama Islam Nasional Laa Roiba Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47467/reslaj.v6i4.1242

Abstract

Increasing the success of teacher performance is largely determined by the leadership style of a school principal in his capacity as a leader. This research aims to obtain data results regarding: (1). Increasing teacher work discipline through the leadership style of the school principal. (2). The principal through his leadership style is able to increase teacher work motivation. (3). Increased teacher responsibility through the leadership style of the school principal. (4). In improving teacher performance, there are obstacles or constraints faced by school principals. This approach uses a qualitative approach through descriptive methods. With data collection techniques using observation, interviews and documentation studies. From the results of this research it can be concluded that: (1). In order to improve discipline, an instructive leadership style (telling) is applied by the school principal. (2). In increasing teacher work motivation, a consultative (selling) leadership style is applied by the school principal. (3). In increasing teacher responsibility, the school principal applies a delegative leadership style. (4) In learning, there are obstacles or obstacles faced by school principals, namely, decreased teacher discipline, reduced teacher work motivation, and low teacher responsibility in learning. There are suggestions from the author so that the desired goals can be achieved well and maximally, a good leadership style can be applied that is optimally suited to the situation and conditions by the school principal.
Inovasi dalam Pengembangan Kurikulum: Tantangan dan Peluang di Era Digital Ika Kartika; Machmud; Muhammad; Sih Hayuning Tyas Hestutami; M Jahidin
Reslaj: Religion Education Social Laa Roiba Journal Vol. 6 No. 5 (2024): RESLAJ: Religion Education Social Laa Roiba Journal
Publisher : Intitut Agama Islam Nasional Laa Roiba Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47467/reslaj.v6i5.1224

Abstract

In the world of education, what controls all learning orientations for students is the curriculum. The current digital era has a big influence on the state of the curriculum in Indonesia, it is the responsibility of the government and related parties to provide a curriculum that can facilitate the needs of students in facing the era of digitalization, including the challenge of curriculum development in improving digital literacy skills in the midst of technological advances and the current flow of globalization. unavoidable. Curriculum development is essentially a flow of stages starting from making a plan which is carried out by the curriculum developer and then continued by the drafting team, namely the development institution and all activities, which are carried out so that the curriculum developed can be an alternative to solving problems found in educational institutions and can also be catalyst for further national education development.
Peningkatkan Kinerja Guru Melalui Penerapan Gaya Kepemimpinan Kepala Sekolah di MA Majma’ul Bahroin Desa Tapos II Tenjolaya Ika Kartika; Siti Masitho; Sri Yanih; Tri Sumarsih; Deni Ramdhani
Jurnal Dirosah Islamiyah Vol. 6 No. 2 (2024): Jurnal Dirosah Islamiyah
Publisher : Pascasarjana IAI Nasional Laa Roiba Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47467/jdi.v6i2.1255

Abstract

Increasing the success of teacher performance is largely determined by the leadership style of a school principal in his capacity as a leader. This research aims to obtain data results regarding: (1). Increasing teacher work discipline through the leadership style of the school principal. (2). The principal through his leadership style is able to increase teacher work motivation. (3). Increased teacher responsibility through the leadership style of the school principal. (4). In improving teacher performance, there are obstacles or constraints faced by school principals. This approach uses a qualitative approach through descriptive methods. With data collection techniques using observation, interviews and documentation studies. From the results of this research it can be concluded that: (1). In order to improve discipline, an instructive leadership style (telling) is applied by the school principal. (2). In increasing teacher work motivation, a consultative (selling) leadership style is applied by the school principal. (3). In increasing teacher responsibility, the school principal applies a delegative leadership style. (4) In learning, there are obstacles or obstacles faced by school principals, namely, decreased teacher discipline, reduced teacher work motivation, and low teacher responsibility in learning. There are suggestions from the author so that the desired goals can be achieved well and maximally, a good leadership style can be applied that is optimally suited to the situation and conditions by the school principal.
Co-Authors Abdul Munip Ahmadi Usman Aji Budi Santosa Ali Alhamidi Alwi Dahlan Amelia Amelia Amie Primarni Anandha Budiantoro Aprilia Erryani Aspitriani Azis, Mohammad Taufik Azwar Abdurakhman Bambang Soegijono Bambang Sriyono Bela Oktavia Cahya Sutowo Chaira Saidah Dede Oop Isofah Deni Ramdhani Devi Eqtriana Setyaningsih Dhyah Annur Dicky Fauzi Firdaus Ellys Ellys Eri Setiawan Erial Bahar Ernawati Fadil Pramudhya Hoesain Fajrul Hamdi Barmawi Farij Makarim Fariz Fudla Fasih Fatimah Dzakiroh Fendy Rokhmanto Fendy Rokhmanto Franciska Pramudji Lestari Franciska Pramuji Lestari Hidin Muhidin I Nyoman Gede Putrayasa Astawa Ian Effendi Ibrahim Purawiardi Iim Suryahim Ika Kartika Indah Yunalda Jayawarsa, A.A. Ketut Jessica Natalia Juliana Jusuf Fantoni Karnawati, Yosevin - Kgs. M. Yusuf Arief Akbar Krisna Murti Krisna Murti Linda Fatrisia Lyandra S Sitorus M Ikhlasul Amal M Jahidin M. Irfan Machmud Mahfud Baihaki Makmudi Mediarty Syahrir Muhammad Muhammad Hafidz Baihaqi Muhammad Hafiz Mulia, Deddy Primadona Mutiara Srikandi Neni Yuningsih Neti Neti Noor Albar Nora Ramkita Novadian Suhaimi Rahma Amelia Ratu Asma Rima Widia Riyanto RR. Ella Evrita Hestiandari S. Nurul Amanah Ratna Sari Saepudin Sahar Layali Sih Hayuning Tyas Hestutami Siti Masitho Sri Yanih Sulistyoso Gian Sukarso Suly Auline Rusminan Suprapti Slamet Surono Surono Syahpri Putra Wangsa Tri Sumarsih Tubagus Ahmad Umar Mone Vanessa Vicario Vita Jamilah Wiwi Uswatiyah WULANDARI Yudi Nugraha T Yusi Srihartini Yuwono Yuwono Zulkarnain Musa Zulkhair Ali