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Supakorn Harnsoongnoen, Saksun Srisai, Pongsathorn Kongkeaw and Tidarat Rakdee
This study presents an innovative methodology to augment the accuracy of gravitational acceleration (g) measurements in free fall experiments. Employing smartphones and integrating mechanical switches, our approach utilizes a built-in microphone for prec...
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Luiz M. B. C. Campos and Manuel J. S. Silva
The safety zone around the flight path of a rocket is determined by the fall of debris in the case of an accidental explosion or commanded termination. The trajectory of a tumbling body in a vertical plane is determined by specifying the velocity, flight...
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Yilin Dou, Kelei Wang, Zhou Zhou, Peter R. Thomas, Zhuang Shao and Wanshan Du
In recent years, the air-drop launch technology of near-space UAVs has attracted much attention. Between downfall from the carrier and the flight control system?s initiation, the UAV presents free-fall movement. This free-fall process is very important f...
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Ye-Jiao Mao, Andy Yiu-Chau Tam, Queenie Tsung-Kwan Shea, Yong-Ping Zheng and James Chung-Wai Cheung
Falls are a major problem in hospitals, and physical or chemical restraints are commonly used to ?protect? patients in hospitals and service users in hostels, especially elderly patients with dementia. However, physical and chemical restraints may be une...
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Ikhsan Ikhsan,Ikhwan Rahmatika Latif,Vellayati Hajad,Effendi Hasan,Muntaha Mardhatillah,Herizal Herizal
Pág. 96 - 108
This article examines the financial management of the government of Aceh, which is supported by special autonomy funds. It is a war compensation and recovery from the tsunami disaster following the signing of a peace accord between the Free Aceh Movement...
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Sriman Pankaj Boindala, G. Jaykrishnan and Avi Ostfeld
Water distribution systems (WDSs) require high-quality water for safe consumption. To achieve this, disinfectants such as chlorine are often added to the water in the system. However, it is important to regulate the levels of chlorine to ensure they fall...
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El-Sayed A. Badr, Rady T. Tawfik and Mortada S. Alomran
Irrigation water quality is important to sustain agricultural productivity. The primary irrigation water sources in Al-Ahsa Oasis, KSA, are groundwater wells, mixed with treated wastewater and agricultural drainage. This study sought to evaluate irrigati...
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Denise Keil, Stefan Scharring, Erik Klein, Raoul-Amadeus Lorbeer, Dennis Schumacher, Frederic Seiz, Kush Kumar Sharma, Michael Zwilich, Lukas Schnörer, Markus Roth, Mohamed Khalil Ben-Larbi, Carsten Wiedemann, Wolfgang Riede and Thomas Dekorsy
Environmental pollution exists not only within our atmosphere but also in space. Space debris is a critical problem of modern and future space infrastructure. Congested orbits raise the question of spacecraft disposal. Therefore, state-of-the-art satelli...
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Zhu Zhu, He Liao, Haibo Tu, Xiaochun Duan and Yanbin Zhao
Atom-interferometry gravity gradiometry has been developed as a promising technique for future gravity gradiometric missions after GOCE due to its greater sensitivity in micro-gravity environments and constant performance over the measurement bandwidth. ...
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Guopeng Mi, Yan Liu, Tao Wang, Jianxin Dong, Shilin Zhang, Qiwei Li, Kezhou Chen and Yuxiang Huang
This study aimed to improve the measurement accuracy of the discrete element method (DEM) simulation parameters of sorghum seeds for enhanced model accuracy. We measured the intrinsic and contact parameters of sorghum seeds, extracted the outline of the ...
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