爱沙尼亚学术期刊
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作者:Jesse Miettinen , Patrick Frilund , Iiro Vuorinen ...
来源:[J].Proceedings of the Estonian Academy of Sciences(IF 0.312), 2019, Vol.68 (4), pp.421-428
摘要:Moving heavy objects with overhead cranes requires the operator to fasten the object to a hook with ropes or chains. This is a time-consuming process, which could be avoided by using universal grippers that can lift objects of any shape. This study was conducted to find if a univ...
作者:Nadezhda Kudryavtseva , Kuanysh Kussembayeva , Zaure B. Rakisheva ...
来源:[J].Estonian Journal of Earth Sciences(IF 1.067), 2019, Vol.68 (4), pp.225-240
摘要:The core properties of the wave climate and its changes in the Caspian Sea are established in terms of the annual mean significant wave height and its regional changes in 2002–2013 based on the outcome of the satellite altimetry mission JASON-1. Remotely estimated wave heigh...
作者:Malik I. Alamayreh , Jamal O. Jaber
来源:[J].Oil Shale(IF 0.636), 2019, Vol.36 (4), pp.514-530
摘要:The main objective of this experimental work is to study oil shale pyrolysis by direct heating of solar energy, using a simple concentrated solar system, and a thermogravimetric analyzer (TGA). The tested sample was obtained from a local oil shale deposit, Ellujjun, in Jordan. Th...
作者:Dong Yang , Yangsheng Zhao , Zhiqin Kang
来源:[J].Oil Shale(IF 0.636), 2019, Vol.36 (4), pp.483-500
摘要:Oil shale has a very important strategic value for energy safety, but in situ pyrolysis technology still faces both scientific and technical problems that urgently need to be overcome. Among the current world’s oil shale in situ conversion technologies, the Chinese in situ p...
作者:Mingming Zhang , Zhao Li
来源:[J].Oil Shale(IF 0.636), 2019, Vol.36 (4), pp.501-513
摘要:The Permian Lucaogou Formation oil shale in the southeast of the Junggar Basin is the oldest oil shale in China. In this study, the biodegradation characteristics of the oil shale are investigated based on organic geochemistry. The analytical results show that the biodegrade...
作者:Ziyi Lu , Tai Lv , Lintong Liu ...
来源:[J].Oil Shale(IF 0.636), 2019, Vol.36 (4), pp.449-461
摘要:With the progress of technology, the development and utilization of oil shale are becoming more and more extensive. Oil shale is composed of organic matter and inorganic matter. The latter refers to minerals that cannot be utilized in the production process. On the one hand, due ...
作者:Mohammed Salman Azim , Andrei Lobov , Artem Pastukhov
来源:[J].Proceedings of the Estonian Academy of Sciences(IF 0.312), 2019, Vol.68 (4), pp.413-420
摘要:In recent years the affordability of robots and the progress in collaborative robotics has been of great benefit for the manufacturing industries. The repetitive, monotonous and eco-unfriendly tasks are being assigned to the robots, which can work in parallel with humans, making ...
作者:Kaarel Kruuser , Jüri Riives , Pavel Tšukrejev ...
来源:[J].Proceedings of the Estonian Academy of Sciences(IF 0.312), 2019, Vol.68 (4), pp.407-412
摘要:Higher productivity of an organization is based on modern manufacturing systems and digitizing the manufacturing processes. The problem is how to match together technological capabilities of machine tools (machining centres) with the need to manufacture a product; and how to incr...
作者:Raivo Sell , Eero Väljaots , Tengiz Pataraia ...
来源:[J].Proceedings of the Estonian Academy of Sciences(IF 0.312), 2019, Vol.68 (4), pp.395-400
摘要:The paper is focusing on the research of current technologies of multi-purpose mobile robots, including implementation of modular layout, open software frameworks, self-organization with plug and play (PnP) capability and adaptive sensor fusion. The hardware layout is studied in ...

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