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Peng Li, Minghui Liu, Jiaxing Zhou, Li Chen and Meifeng Cai
To investigate the adsorption performance of different substrates for ammonia nitrogen in wastewater, adsorption experiments are conducted on four substrates, namely, zeolite, quartz sand, volcanic rock, and biological ceramsite, and the experimental dat...
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Isabela M. Dias, Lucas C. Mourão, Guilherme B. M. De Souza, Jose M. Abelleira-Pereira, Julles M. Dos Santos-Junior, Antônio C. D. De Freitas, Lucio Cardozo-Filho, Christian G. Alonso and Reginaldo Guirardello
Pharmaceutical pollutants are considered emerging contaminants, representing a significant concern to the ecosystem. Thus, this study reports on the degradation of antihypertensive and cardiovascular drugs (atenolol, captopril, propranolol hydrochloride,...
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Nan He, Xiaolong Chi, Chi Feng, Manfei Lu, Li Zhang and Jingming Dong
Steam ejectors could improve the energy efficiency of ships by efficiently utilizing low-grade waste heat from ships for seawater desalination or cooling. The internal flow characteristics of steam ejectors can be deeply analyzed through numerical simula...
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Vladimir S. Aslanov and Daria V. Neryadovskaya
This paper is dedicated to identifying stable equilibrium positions of the tether systems attached to the L1 or L2 libration points of the Mars?Phobos system. The orbiting spacecraft deploying the tether is at the L1 or L2 libration point and is held at ...
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Di Lu, Qin Tang, Dehuan Yang, Rongtao Yan, Yun Chen and Shuai Tao
Stability condition is of critical importance for methane hydrate exploitation, transportation, and reserves. This study measured the stability conditions of methane hydrate in fine-grained sediment with different dry densities (ρd" role="prese...
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Xiaotian Peng, Donghao Fan, Doudou Qiu, Shiyu Feng, Hao Peng and Wentao Bai
Fuel vapor concentration is a key parameter for assessing the flammability of aircraft fuel tanks. However, the current research on RP-3 (Rocket Propellant-3) fuel vapor concentration is inadequate. This study categorizes fuel components by the number of...
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Baraa A. K. Al-Sakaji, Ghaleb A. Husseini and Naif A. Darwish
This work aims to theoretically investigate the effect of both the fixed charge density of ion exchange membranes and the ionic strength of the treated aqueous NaCl solution on the generated Donnan potential at thermodynamic equilibrium conditions. The d...
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Bin Wei
The equilibrium state of a dynamical system can be divided into the equilibrium point and limit cycle. In this paper, the stability analysis of the equilibrium point and limit cycle of dynamical systems are presented through different and all possible ap...
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Ziyu Guo, Jing Li, Shaotao Zhu and Yufeng Zhang
The dynamic vibration absorber (DVA) is widely used in engineering models with complex vibration modes. The research on the stability and periodic motions of the DVA model plays an important role in revealing its complex vibration modes and energy transf...
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Nida Zamir, Bakhtiar Ali, Muhammad Fasih Uddin Butt, Muhammad Awais Javed, Byung Moo Lee and Soon Xin Ng
In this contribution, we investigate the performance of an untrusted relaying system when Cooperative Jammers (CJs) are available. We propose two scenarios, Untrusted Relaying-aided Multiple Cooperative-Jammers-based Simultaneous Transmission (UR-MCJST) ...
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