SPATIAL-TIME VARIABILITY OF THE LEVEL OF HEAVY METAL COMPOUNDS IN THE WATER OF THE MALKA AND BAKSAN RIVERS by F. A. Atabieva, E. A. Cherednik, A. S. Otarova

“…When taking water samples, the temperature of air, water and transparency were recorded. Under stationary conditions, the pH value was measured in all the samples taken. …”
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LAWS OF FORMATION OF CHEMICAL COMPOSITION OF THE ATMOSPHERE IN THE TERRITORY OF KAZAN by Yu. R. Yanglicheva, G. R. Valeeva

“…We identified meteorological parameters that contribute to pollution or self-purification of atmosphere in big cities; established that the air environment of the city has a limited favorable ability to self-cleaning in July and September; in all the other months, conditions for dispersion of impurities are quite favorable. …”
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The Influence of Extratropical Ocean on the PNA Teleconnection: Role of Atmosphere‐Ocean Coupling by Masato Mori, Hiroki Tokinaga, Yu Kosaka, Hisashi Nakamura, Bunmei Taguchi, Hiroaki Tatebe

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Thermal conditions on the coast of Labrador during the late 18th century by G. Singh, R. Przybylak, R. Przybylak, P. Wyszyński, P. Wyszyński, A. Araźny, A. Araźny, K. Chmist

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Investigation of Humidity Regulation and Heart Rate Variability in Indoor Environments with <i>Larix kaempferi</i> Wood Interiors by Su-Yeon Lee, Yoon-Seong Chang, Chang-Deuk Eom, Oh-Won Kwon, Chun-Young Park

“…The results of the 8-month observation showed that, the higher the wood coverage ratio, the more the indoor humidity fluctuations were alleviated, and, in the case of the 90% wood coverage ratio condition, the humidity was maintained 5.2% lower in the summer and 10.9% higher in the winter compared to the 0% condition. …”
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River Thermal Dynamics and Heatwaves of Polish Rivers Under Climate Change by Jiang Sun, Fabio Di Nunno, Mariusz Sojka, Renata Graf, Dariusz Wrzesiński, Mariusz Ptak, Wentao Dong, Jiajie Xu, Quan Zhou, Yi Luo, Wei Zhi, Roohollah Noori, Senlin Zhu, Francesco Granata

“…Our results also showed a statistically significant increase in frequency and intensity of river heatwaves at 121 out of the 125 studied stations (p‐value < 0.05), which were consistent with the warming of air temperatures. …”
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Any Way the Wind Blows Does Really Matter in Lichen Response to Air Pollution from an Oil Refinery by Maja Maslać Mikulec, Saša Likić, Oleg Antonić, Mirta Tkalec

“…Findings show that pollution levels are significantly influenced, not only by distance but also by direction-specific wind patterns, underscoring the necessity of including these variables in future biomonitoring studies and highlighting a critical need for air quality management interventions.…”
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The stability of the SARS-COV-2 structure in the presence of variable external heat flux in the vicinity of the water/silver nanofluid: A molecular dynamics simulation by Dongfang Wu, Ali B.M. Ali, Abrar A. Mohammed, As'ad Alizadeh, Soheil Salahshour, M. Hashemian, MengXia Wang

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Comparison and Development of Rotary and Scroll Compressor by Li Minxia, Wang Pai, Ma Yitai, Wang Feibo, Dai Baomin

“…The performance of compressors is an important key in air-source heat pumps under different climatic conditions. …”
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Quantitative assessment of the scale conversion from instantaneous to daily GPP under various sky conditions based on MODIS local overpassing time by Junghee Lee, Jungho Im

“…Instant environmental variables-GPP relationships were weak under clear skies but exhibited moderate-to-high positive correlations under cloudy conditions. …”
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Experimental and Computational Study of the Aerodynamic Characteristics of a Darrieus Rotor with Asymmetrical Blades to Increase Turbine Efficiency Under Low Wind Velocity Conditio... by Muhtar Isataev, Rustem Manatbayev, Zhanibek Seydulla, Nurdaulet Kalassov, Ainagul Yershina, Zhandos Baizhuma

“…Experimental tests were conducted in a wind tunnel at various air flow velocities (ranging from 3 m/s to 15 m/s), measuring rotor rotation frequency, torque, and thrust force. …”
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Aerosols in the Mixed Layer and Mid-Troposphere from Long-Term Data of the Italian Automated Lidar-Ceilometer Network (ALICENET) and Comparison with the ERA5 and CAMS Models by Annachiara Bellini, Henri Diémoz, Gian Paolo Gobbi, Luca Di Liberto, Alessandro Bracci, Francesca Barnaba

“…These properties include the particulate matter mass concentration (PM), aerosol extinction and optical depth (AOD), i.e., air quality legislated quantities or essential climate variables. …”
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Channel Constriction Predicts Pool‐Riffle Velocity Reversals Across Landscapes by C. F. Byrne, G. B. Pasternack, H. Guillon, B. A. Lane, S. Sandoval‐Solis

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Alleviation of physiological stress response by apple aroma by E. A. Chayani Dilrukshi, Shu Sato, Masaki Nakachi, L. Sugeeswari Lekamge, Kosuke Oiwa, Kanetoshi Ito, Shusaku Nomura

“…CHA), and a decrease in the high-frequency component of heart rate variability (t [24] = 2.81, p = 0.029 vs. …”
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Investigating Optimal Operation of Buried Pipe Side Water System of Ground Source Heat Pump by Chen Pengxu, Xu Bo, Chen Zhenqian, Chen Xiangyan

“…Based on the measured data from a typical ground-source heat pump air conditioning project in Wuxi, Jiangsu Province, with the primary objective of minimizing total energy consumption on the ground-source side, an equipment model for optimizing the operating conditions of the ground-source heat pump is constructed in this study. …”
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Comparison of Influences of Superheat Degree on R32 and R22 Rolling Piston Compressor Refrigeration System by Wang Chao, Tao Leren, Wu Chao, Yang Lihui, Li Qingpu, Yu Zhongyang

“…The influences of superheat degree on R22 and R32 refrigeration system’s performances are studied experimentally with variable frequency rolling piston compressor refrigeration loop test bench. …”
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Experimental Investigation on Self-cleaning Heat Exchanger in VRF System by Deng Saifeng, Liu Min, Liu Hexin, Chen Hua

“…In this study, a self-cleaning heat exchanger was designed in a variable refrigerant flow air-conditioning system, and the potential of dedusting and sterilization of the evaporator was investigated experimentally. …”
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Nonlinear Relationship Between the Elderly’s Perception of Green Spaces and Their Activity Characteristics by Yuanjing WU, Yongyi YOU, Wei ZHOU, Siren LAN

“…Descriptive statistics and Spearman correlation analyses are conducted using Excel 2013 and SPSS 26.0 to identify initial associations between variables. Based on significant correlations, an interpretable XGBoost machine learning model is constructed to explore variable importance and detect potential nonlinear relationships between perception indicators and activity outcomes.Results1) The elderly generally hold positive perceptions of park environments, particularly in terms of air quality and the ecological environment, indicating a high baseline satisfaction with environmental conditions in the research areas. …”
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Design of Electronic Expanded Valve (EEV) Control System Based On the STC89S52 Microcontroller by Wu Junyun, Ge Rongjian, Guo Mingzhu, Qiu Huixiang

“…Aiming at the control problems of evaporator superheating in the household Variable frequency air conditioner, the Electronic Expanded Valve (EEV) control system was investigated based on a dead band integral-separation PID control algorithm and the STC89S52 single-chip microcontroller as the control core. …”
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Two-layer energy optimization of HVAC system in a cement factory building by Xiaoquan Lu, Kaijie Fang, Yuqi Zhou, Ju Sheng, Hanmiao Chen

“…A physical model of the operation of the air-conditioning system is set for the equipment, such as heat pumps, circulating water pumps, and variable frequency fans. …”
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