Micromechanism Underlying Nonlinear Stress-Dependent K0 of Clays at a Wide Range of Pressures by Xiang-yu Shang, Chen Yang, Guo-qing Zhou, Xiu-zhong Zheng

“…In order to investigate the mechanism underlying the reported nonlinear at-rest coefficient of earth pressure, K0 of clays at high pressure, a particle-scale model which can be used to calculate vertical and horizontal repulsion between clay particles has been proposed. …”
Get full text

Evaluation of Water Storage Change of Inland Cryosphere in Northwestern China by Min Xu, Shichang Kang, Jiazhen Li

“…The Gravity Recovery and Climate Experiment (GRACE) satellite mission provides measurements of Earth’s static and time-variable gravity fields with monthly resolution. …”
Get full text

Realization of High Dynamic Range Imaging in the GLORIA Network and Its Effect on Astronomical Measurement by Stanislav Vítek, Petr Páta

“…At the moment, there are prepared educational materials related to events like Sun eclipse (measuring local atmosphere changes), Aurora Borealis (calculation of Northern Lights height), or transit of Venus (measurement of the Earth-Sun distance). Student should be able to learn principles of CCD imaging, spectral analysis, basic calibration like dark frames subtraction, or advanced methods of noise suppression. …”
Get full text

Features of simulation of operator control of unmanned aerial vehicle and its target load by P. I. Savelov, Penghao Gu, A. A. Lobaty

“…As a typical example of a human-machine control system, the ground control point of the multifunctional unmanned aerial complex “Busel” is considered, which includes two workplaces for the UAV control operator and the target load control operator, which is considered equipment designed to monitor objects located on the earth’s surface…”
Get full text

THE RESULTS OF THE STUDY OF VARIETIES OF ALFALFA IN THE CENTRAL-CHERNOZEM ZONE by N. I. Isaeva, N. Yu. Malysheva, L. L. Malyshev, N. V. Vavkina

“…Three-year study of one hundred world collection of alfalfa was conducted in Central Black-Earth zone of Russia. The varieties of Medicago × varia ‘Zheltogibridnaya 99’, ‘Flora 2’, ‘Karlygash’ and ‘№ 152’ (hybrid ‘Severnaya hybridnaya’ בAugune II’) were recommended for breeding programs. …”
Get full text

ANN Model-Based Simulation of the Runoff Variation in Response to Climate Change on the Qinghai-Tibet Plateau, China by Chang Juan, Wang Genxu, Mao Tianxu, Sun Xiangyang

Get full text

Improved Reflectarray Phase-Only Synthesis Using the Generalized Intersection Approach with Dielectric Frame and First Principle of Equivalence by Daniel R. Prado, Manuel Arrebola, Marcos R. Pino, Fernando Las-Heras

“…The technique is demonstrated through two examples for space and terrestrial applications: an isoflux pattern for global Earth coverage from a satellite and a Local Multipoint Distribution Service pattern for central stations of cellular systems, both with a working frequency of 25.5 GHz. …”
Get full text

Informal Cross-Border Traders and Food Trade during the Global Pandemic in Zimbabwe by Abel Chikanda

Get full text

Occurrence of Surface Active Agents in the Environment by Ewa Olkowska, Marek Ruman, Żaneta Polkowska

Get full text

A Bursting Liability Evaluation Method Based on Energy Transfer by Yukun Hou, Shankun Zhao, Yang Zhao

“…As coal mining gradually moves to deep earth, rock bursts have emerged as one of the main disasters threatening the safety of coal production. …”
Get full text

Devastaciones ecosociales: ecología política y perspectivas críticas latinoamericanas by Andrea Lehner, Lina Álvarez Villareal, Nicolas Lema Habash

“…Moreover, it is fostering a new epistemology and rationality centered on the Earth rather than on humankind. Following a brief contextualization of the central tenets of political ecology as a framework for understanding the interplay between environment and society, the article highlights the most significant contributions of Latin American political ecology. …”
Get full text

EVOLUTION OF THE ROTATIONAL MOTION OF A SATELLITE WITH FLEXIBLE VISCOELASTIC RODS ON THE ELLIPTIC ORBIT by E. V. Sadovnikova, A. V. Shatina

“…As is known, some artificial Earth satellites (AES) have whip radio antennas for a length of hundreds of meters. …”
Get full text

Quasi-Classical Gravity Effect on Neutrino Oscillations in a Gravitational Field of a Heavy Astrophysical Object by Jonathan Miller, Roman Pasechnik

“…This graviton-induced decoherence is compared to decoherence due to propagation in the presence of the Earth matter effect. Based on this study, we propose a new technique for the indirect detection of energetic gravitons by measuring the flavor composition of astrophysical neutrinos.…”
Get full text

Identification of an additional periplanone receptor family gene preferentially expressed in the male antennae of the American cockroach by Takayuki Watanabe, Atsushi Ugajin, Kosuke Tateishi, Hidehiro Watanabe, Makoto Mizunami

Get full text

Estimation of Continental-Basin-Scale Sublimation in the Lena River Basin, Siberia by Kazuyoshi Suzuki, Glen E. Liston, Koji Matsuo

Get full text

Impact of war on the environment: ecocide by Yohannes Desalegn Wirtu, Umer Abdela

“…This paper reviews the militaristic consequences on Mother Earth and in particular ecocide or the mass degradation of the biological forms in regards to war. …”
Get full text

High-Efficiency Continuous Wave 16 W–7.5 GHz Power Amplifier With a GaN Transistor in Plastic Packaging by Alireza Sadeghi-Fard, Sayyed-Hossein Javid-Hosseini, Vahid Nayyeri, Paolo Colantonio

“…Using a plastic-packaged GaN transistor and high-efficiency design techniques, a power amplifier for the space-to-earth satellite was designed and fabricated. The proposed design approach relies on determining an appropriate design space for the matching networks, defined by identifying optimal power and efficiency contours derived from source/load-pull techniques. …”
Get full text

Saving Souls and ‘Trees’: An Emerging Model of Pentecostal-Charismatic Eco-Missions in the Church of Pentecost, Ghana by Christian Tsekpoe, Emmanuel Awudi

“…However, there is a noticeable shift in this narrative in Ghana, as shown in the case of the Church of Pentecost, which is increasingly becoming involved in initiatives aimed at preserving the earth and its inhabitants. This article utilizes document reviews, a survey, and personal observations to examine the extent to which this emerging eco-mission is embraced within the Church of Pentecost and explores its potential as a model for PCCs in Ghana and beyond. …”
Get full text

Method and Realization of Efficient Extraction of Basic Geological Data from Two-Dimensional Mine Drawings by Xiaobo Lin

Get full text

Hydromagnetic Stability of Metallic Nanofluids (Cu-Water and Ag-Water) Using Darcy-Brinkman Model by J. Ahuja, U. Gupta, R. K. Wanchoo

“…Keeping in mind applications of flow through porous medium in geophysics, especially in the study of Earth’s core, and the presence of nanoparticles therein, the hydromagnetic stability of a nanofluid layer in porous medium is considered in the present formulation. …”
Get full text