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| 1 | Rockburst Prediction of a Cut and Fill Mine by Using Energy Banalance and Induced Stress 显示文摘 | Bagaraja Sirait Ridho Kresna Wattimena Nuhindro Priagung Widodo | 2013 | Procedia Earth and Planetary Science2013，，6： | 1 |
| 2 | Hierarchical K-means: An algorithm for centroids initialization for K-means 显示文摘 | Kohei Arai Ali Ridho Barakha | 2007 | Reports of the Faculty of Science and Engineer- ing2007，36，1： | 1 |
| 3 | Adrenal incidentaloma 显示文摘 | Ridho F Adam F Adam J | 2009 | Acta Med In- dones-Indones J Intern Med2009，41，2： | 1 |
| 4 | Rockburst prediction of a cut and fill mine by using energybalance and induced stress显示文摘 | BAGARAJA S RIDHO K W NUHINDRO P W | 2013 | Procedia Earth andPlanetary Science2013，，6： | 1 |
| 5 | Community structure of zooplankton in the Lembeh Strait,Bitung, and Wori Beach, Manado, North Sulawesi,Indonesia显示文摘The community structure of zooplankton has been conducted in the Lembeh Strait in Bitung and Wori Beach in Manado, North Sulawesi in October 2015. Sampling of this research was conducted in 22 sampling sites along the strait. Zooplankton samples were collected from 22 stations, by NORPAC 300 μm net that was vertically hauled from maximum 10 m depth up to the surface water. The samples were poured into the bottle with formalin of 4%as preservative. The results showed that there were 43 taxa of zooplankton. The abundance of zooplankton was between 21.216–4 193.776 ind./m^3. The dominant taxa were copepod, especially Calanoida. The composition of zooplankton was relatively similar in all stations. We showed the abundance, dominance, composition and distribution of zooplankton at this research. More extensive studies concerning zooplankton is required to understand zooplankton biodiversity as a whole especially on the geographical and spatial distribution to describe population and community dynamic in the Lembeh Strait and Wori Beach. | THOHA Hikmah FITRIYA Nurul SIANTURI Oksto Ridho WANG Yanguo | 2018 | Acta Oceanologica Sinica2018，37，12： | 0 |
| 6 | Experimental study on the optimum design of diffuser-augmented horizontal-axis tidal turbine显示文摘Ocean current energy is a promising and reliable resource that offers sustainability and predictability in realizing green future needs.A diffuser-augmented horizontal-axis turbine is utilized to generate ocean current energy.A numerical study on the impact of diffuser angle variations on the power coefficient has been carried out in the previous research.To elucidate the fluid dynamics aspects and further validation of previous computational results,the experimental investigation on the optimal design of tidal turbine with 20.04°diffuser augmentation is presented in this study.The study was conducted in a flowing tank with a current velocity of 0.7 m/s.The maximum power coefficient of 20.04°is 0.436 experimentally,which is a little smaller than the numerical value.Moreover,to reinforce the 20.04°result,a diffuser with an angle of 10.43°was also manufactured and tested experimentally.The maximum power coefficient of 10.43°is 0.303 experimentally,which is 3%smaller than the numerical value.It was concluded that the numerical approach might be considered satisfactory and represent similar phenomena to the experimental investigation in an application for modelling of multi-objective optimization. | Evi Elisa Ambarita Harinaldi Rifqi Azhari Ridho Irwansyah | 2022 | Clean Energy2022，6，5： | 0 |
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