Linear Bending Wave Propagation in Laminar and Turbulent Disks by Callum W. Fairbairn

“…This may have implications for the inclination damping rates induced by planet–disk interactions, the capture rate of black holes in active galactic nucleus disks or the warped shapes assumed by disks in misaligned systems.…”
Get full text

Phenomenological Modelling and Fault Diagnosis of Planetary Gear Systems with a Tooth Crack by Liu Zongyao, Mao Shixiang, Wang Yadong, Zhu Wenliang, Liu Baoguo, Liu Shihua

“…Secondly, phenomenological modelling of vibration signals considering the meshing impact is established, and model responses of planetary gear systems under different health conditions including normal, cracked sun gears and cracked planet gears are obtained. Finally, the model responses are analyzed using the statistical indexes such as root mean square and kurtosis, etc., and the sensitivity of each statistical index in reflecting the crack fault is compared. …”
Get full text

Ecosystem Services Assessment of Geosites in the Seridó Aspiring UNESCO Geopark Area, Northeast Brazil by Matheus Silva, Kátia Mansur, Marcos Nascimento

“…Over the course of the Earth’s history, the development of geodiversity has allowed the establishment of biotic diversity on our planet. Just as biodiversity is the subject of studies and protection actions, abiotic nature also needs to be conserved and used more sustainably. …”
Get full text

Meshing Characteristics Analysis of a High-speed-ratio Compound Gear with Small Tooth Difference by Zhu Feihong, Song Chaosheng, Chang Le, Lü Zhenyu, Du Xuesong, Huang Yucheng

“…The model considers the coupling deformation of 3-stage transmission, the specific structure of the cycloid gear, the output disc, the planet carrier and the case. The stress of each key component and the transmission error of the whole machine are simulated and analyzed, and the dynamic process of the multi-tooth meshing of the pin-cycloid transmission is discussed in detail. …”
Get full text

COVID-19 e Geografia: perplexidade atual e a cartografia a serviço da saúde pública by Paula Lindo, Éverton de Moraes Kozenieski, Reginaldo José de Souza

“…SARS-CoV-2 has been metabolized in the technological network worldwide and this generates catastrophic results in several locations on the planet. In this article, we have two aims: to discuss about the new epistemic horizon for Geography in the present planetary challenge. …”
Get full text

Leveraging IoT and industry 4.0 for enhanced environmental safety by Javad Pourqasem, Duško Tešić, Eisa Abdolmaleki

“…Around 45% of passing’s are caused because of defiled water on the planet. Subsequently, there is a need to guarantee the supply of filtered drinking water for individuals both in urban areas and towns. …”
Get full text

A nexus between regional welfare and sustainable development: A conceptual model by Mariya V. Shlyapina, Elena A. Tretyakova

“…Particular importance attached to this problem is related to the concept of sustainable development, which centres on promoting prosperity while protecting the planet. The paper aims to form an original theoretical model depicting the mutual influence of sustainable regional development and regional welfare. …”
Get full text

Severe Weather Caused by Heat Island and Sea Breeze Effects in the Metropolitan Area of São Paulo, Brazil by Felipe Vemado, Augusto José Pereira Filho

“…The Metropolitan Area of São Paulo (MASP) is one of the most populated regions of the planet with one of the largest impervious regions as well. …”
Get full text

Becoming a Climate Change Educator: First-grade Pupils’ Action Research by Sandra Kairė, Jovita Vaivadaitė, Augustina Kundrotaitė

“…The development of a personal relationship with climate change brings to the forefront the teacher‘s awareness of the need for climate change education at school to reduce the destructive activities of human beings in relation to the planet and mitigate the effects of human-induced climate change. …”
Get full text

„Religion and Ecology” – nowy paradygmat poznawczy by Ryszard F. Sadowski

“…People became conscious of the danger for the whole life on our planet. Nowadays almost all are engaged in the issue: politicians, scientists, artists, community authorities, journalists, ordinary people and even religious leaders. …”
Get full text

Secular Perturbations from Exterior Giants Strongly Influence Gap Complexity in Peas-in-a-pod Exoplanetary Systems by Joseph R. Livesey, Juliette Becker

“…It has been demonstrated that systems of tightly packed inner planets with giant exterior companions tend to have less regular orbital spacings than those without such companions. …”
Get full text

Teologia wobec problemu istnienia pozaziemskich cywilizacji by Tadeusz Pabjan

“…Wskazano również na kilka konkretnych kwestii, które w tym kontekście się pojawiają i które domagają się teologicznego namysłu (np. problem zbawienia kosmitów i hipoteza ponownego wcielenia Boga na jednej z planet pozasłonecznych). …”
Get full text

Passive Radar-Based Parameter Estimation of Low Earth Orbit Debris Targets by Justin K. A. Henry, Ram M. Narayanan

“…Major space agencies such as NASA and the ESA have long reported the growing dangers caused by resident space objects orbiting our planet. These objects continue to grow in number as satellites are imploded and space debris impacts each other, causing fragmentation. …”
Get full text

Zagadnienie światopoglądu w edukacji ekologicznej by Jacek W. Czartoszewski

“…From here floats a huge challenge for leaders, who should take on their own shoulder responsibility upon the future of our planet and humanity.…”
Get full text

Measuring. Monitoring. Management. Control by A.J. Alieva, Kh.S. Alieva, M.G. Ashrafov, N.Kh. Mustafazade

“…The albedo of the earth's surface is an important indicator that determines the energy balance that exists between our planet and the atmosphere. The issues of optimization of albedometric measurements carried out by spectrometric equipment installed on board an unmanned aerial vehicle (UAV) are considered. …”

Green Monetary Policy Measures and Central Bank Mandates: A Comparative Political Economy Analysis by Susana Matos Rosa

“…The empirical findings aim to contribute to the growing political economy literature and international debate on how central banks address pressures related to environmental concerns which, although vital to society and the planet, may pose challenges to conventional goals and established mandates.…”
Get full text

The case of the preferred worker - three guidelines to a decolonial research agenda on meaningful work by GUSTAVO SANTOS DIAS BARRETO

“…Abstract Coloniality is an epistemological process that regards European modernity as the pinnacle of all civilizational trajectories on the planet. This process, in turn, creates the colonial difference between the knowledge and life practices of the West and other civilizations. …”
Get full text

Three Horizons for Future Geoscience by Iain Stewart, Maria Angela Capello, Hassina Mouri, Kombada Mhopjeni, Munira Raji

“…But its traditional association with exploitation of the planet’s natural resources for energy and materials links it with contemporary concerns around unsustainable human practices, arguably fueling a growing disenchantment that is most evident in declining enrollment in university geoscience courses in many countries. …”
Get full text

Optimizing Pretrained Convolutional Neural Networks for Tomato Leaf Disease Detection by Iftikhar Ahmad, Muhammad Hamid, Suhail Yousaf, Syed Tanveer Shah, Muhammad Ovais Ahmad

“…Vegetable and fruit plants facilitate around 7.5 billion people around the globe, playing a crucial role in sustaining life on the planet. The rapid increase in the use of chemicals such as fungicides and bactericides to curtail plant diseases is causing negative effects on the agro-ecosystem. …”
Get full text

Urban Road Change Detection using Morphological Processing by Ei Phyu Sin Win

“…Extraction road from planet pictures is hard matter with many realistic application programs. …”
Get full text