Ditemukan 5 dokumen yang sesuai dengan query
Riska Tamala
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Kerang hijau merupakan suatu sumber bahan makanan yang cukup banyak dimanfaatkan oleh masyarakat Indonesia karena kerang hijau tersebut tersebar secara luas di sepanjang pesisir wilayah Indo-Pasifik. Kerang hijau akuatik ini sangat rentan terkontaminasi logam berat mengingat asupannya yang bersifat filter feeder dan sifatnya yang menetap sessile . Hal ini menyebabkan mudahnya logam berat terakumulasi di dalam tubuh kerang. Pencegahan ataupun usaha yang dilakukan untuk mengurangi tingkat pencemaran logam perlu untuk dilakukan, sehingga dilakukan proses depurasi ...
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Depok: Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Indonesia, 2018
S-Pdf
UI - Skripsi Membership Universitas Indonesia Library
Mutmainah Nur Ramahwati
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ABSTRACT
Osteoporosis merupakan suatu penyakit metabolik pada tulang yang ditandai dengan menurunnya kepadatan massa tulang. Pengobatan osteoporosis dapat dilakukan dengan menambahkan kadar kalsium Ca3 PO4 2 berukuran nano. Ca3 PO4 2 merupakan mineral yang terdapat pada tulang dan berfungsi untuk membangun dan memperkuat tulang dan gigi. Tujuan penelitian ini adalah mengetahui efektifitas penambahan Ca3 PO4 2 ndash;nano yang dapat diserap oleh tulang dan melihat struktur kristal yang terbentuk pada tulang setelah diberi purifiet diet dengan penambahan ...
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2017
S67870
UI - Skripsi Membership Universitas Indonesia Library
Kenji Kuriyama
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The spectral intensity of direct and scattered solar radiation is of fundamental importance for various studies in civil engineering, agriculture, solar power generation, and radiation budget estimation. In this paper, we describe a ground-based, wide-spectral-range sensor that can be used for measuring spectral intensities both in the visible and near-infrared spectral regions. The measurements are conducted either with artificial light sources or direct/scattered solar radiation. The measured spectra yields information on the absorption features of ...
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Depok: Faculty of Engineering, Universitas Indonesia, 2011
UI-IJTECH 2:2 (2011)
Artikel Jurnal Universitas Indonesia Library
Hajime Arimoto
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In this research, a layered-recurrent artificial neural network (ANN) using the back-propagation method was developed for simulation of a fixed-bed industrial catalytic reforming unit called Platformer. Ninety-seven data points were gathered from the industrial catalytic naphtha reforming plant during the complete life cycle of the catalytic bed (about 919 days). Ultimately, 80% of them were selected as past horizontal data sets, and the others were selected as future horizontal ones. After training, testing, and validating ...
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Depok: Faculty of Engineering, Universitas Indonesia, 2011
UI-IJTECH 2:1 (2011)
Artikel Jurnal Universitas Indonesia Library
Jamalipour, Abbas
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A significant and convenient approach to detection and analysis of biological, environmental and agricultural items is the harnessing of features in widely available smartphones to create field-deployable scientific instruments, allowing measurements to be made onsite and in real-time. This book will cover a number of self-contained smartphone instruments with the particular focus on spectroscopic-based measurements. Measurement and analysis on precision of such low-cost instrumentations are provided to compare with more expensive commercial equipment.
This book also ...
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Switzerland: Springer Cham, 2019
e20502883
eBooks Universitas Indonesia Library
