Study on Mechanism and Control Technology of Asymmetric Floor Heave in a Deep Soft Rock Main Roadway by Fulian He, Wenli Zhai, Xuhui Xu, Jiayu Song, Liang Li, Kai Lv

“…The following conclusions were drawn: (1) the floor heave of 1# main roadway is mainly caused by high original rock stress, surrounding rock stress, water physical effect, support strength, etc. (2) A mechanical model of asymmetric floor heave is built and analyzed. …”
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ORGANIZATION AND REALIZATION OF MAIN AND ADDITIONAL PROFESSIONAL EDUCATION PROGRAMS IN THE LOGISTICS FIELD WITH THE HELP OF INNOVATIVE METHODS AND TECHNOLOGIES by Vitaliy V. Borsch, Vasiliy A. Demin, Zoya S. Sazonova

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Vertical Gradient Temperature Difference of the Main Arch with Single Pipe Section in Tibet Based on Statistical Analysis by Tuo Shi, Nianchun Deng, Zheng Chen, Haoxu Li

“…These could serve as references for calculations involving arch bridges in Tibet with single circular pipes in the main arches.…”
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Research of Multi- Objective Optimization Design for Car Main Reduction Gear based on Response Surface Method by Zhou Dan

“…The meshing stress level of main reduction gears decreased significantly after the optimization.…”
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Modeling and Dynamic Performance Analysis of Hydraulic Top Drive Main Transmission System with Long Hydraulic Pipelines by Yuanling Shi, Pingsong Zhang

“…Hydraulic top drive is the main power component used to drive drilling tools rotating to drill a hole for drilling rigs. …”
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Geological characteristics and main enrichment controlling factors of coalbed methane in Nanchuan area, southeastern Sichuan Basin by Xipeng HE, Kaiming WANG, Wei LUO, Yuqiao GAO, Nana LIU, Tao GUO, Yatong ZHOU, Didi WU

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Spatiotemporal assessment of recreation ecosystem service flow from green spaces in Zhengzhou’s main urban area by Fan Qindong, Lu Qiaosu, Yang Xiaoyu

“…Based on a framework encompassing supply, demand, boundaries, direction, volume, and speed, we assess the RESF from green spaces in the main urban area of Zhengzhou City from 2010 to 2020. …”
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Triphenylmethane derivatives have high in vitro and in vivo activity against the main causative agents of cutaneous leishmaniasis. by Renata Celi Carvalho de Souza Pietra, Lucas Fonseca Rodrigues, Eliane Teixeira, Levi Fried, Benjamin Lefkove, Ana Rabello, Jack Arbiser, Lucas Antônio Miranda Ferreira, Ana Paula Fernandes

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Rapid change in red cell blood group systems after the main Out of Africa of Homo sapiens by Stéphane Mazières, Silvana Condemi, Wassim El Nemer, Jacques Chiaroni

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Higher Income and Integration into the Workforce Are the Main Factors Associated with Quality of Life in Acromegalic Patients in Northeastern Brazil by Adriana Maria GuimarãesSá, Pedro Antônio Muniz Ferreira, Marinilde Teles Souza, Gilvan Cortês Nascimento, Sabrina da Silva Pereira Damianse, Viviane Chaves de Carvalho Rocha, Manuel dos Santos Faria, Adalgisa de Souza Paiva Ferreira

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NONLINEAR VIBRATION RESEARCH OF STRIP STEEL WITH CONSIDERATION OF TORSIONAL VIBRATION OF MAIN DRIVE SYSTEM OF ROLLING MILL by GAO ChongYi, DU GuoJun, LI Rui, LIU XiaoMan

Subjects: “…Torsional vibration of main drive system…”
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Contrasting vector competence of three main East African Anopheles malaria vector mosquitoes for Plasmodium falciparum by Prisca A. Kweyamba, Lorenz M. Hofer, Ummi A. Kibondo, Rehema Y. Mwanga, Rajabu M. Sayi, Fatuma Matwewe, Dickson W. Lwetoijera, Mgeni M. Tambwe, Sarah J. Moore

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Analysis of the Impact of Traffic Violation Monitoring on the Vehicle Speeds of Urban Main Road: Taking China as an Example by Fuquan Pan, Yongzheng Yang, Lixia Zhang, Changxi Ma, Jinshun Yang, Xilong Zhang

“…A representative urban main road section was selected and the traffic flow was recorded by camera method. …”
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The Effect of Corona Dormancy on the Physiological Stress and Main Nutritional Components in the Transport of Trachinotus ovatus During Survival by Siwei LIU, Jiamei ZHONG, Xiuping FAN, Xiaoming QIN, Jian SHEN, Wenqi XU

“…Presently, the market mainly includes three methods: Freezing, processing, and live sales. …”
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Rearing mealworm larvae with wheat, barley or maize grains as main source of nutrients in unbalanced or balanced substrates by D. Plonquet, G. Fondevila, M. Fondevila

“…The effects of the cereal offered as main nutrient source on growth performance and composition of T. molitor larvae were evaluated. …”
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Nicotine addiction is the main risk factor for the formation and development of chronic obstructive pulmonary disease: A review by Anna V. Dzyubailo, Viacheslav S. Lotkov

“…The article considers the issue of studying the effect of nicotine dependence on the development of chronic obstructive pulmonary disease, as the main factor in the formation of inflammation mediated through the use of tobacco-containing, as well as alternative tobacco products, not only the epithelium of the bronchi, but also the endothelial cells of large and small vessels. …”
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An Analysis of the Gear Meshing Characteristics of the Main Planetary Gear Trains of Helicopters Undergoing Shafting Position Changes by Li Xuejun, Jiang Lingli, Hua Dengrong, Yin Daoxuan, Yang Dalian

“…Due to the fact that these structures are considered to be the most representative structures of the main reducers of helicopters, they were selected as the study objects for the purpose of examining the meshing characteristics of planetary gear trains when the relative positions of the shafting changed due to the position changes of the main rotor shafts under variable load conditions. …”
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Morphological analysis of regenerated antennae in the isopod Porcellio scaber (Isopoda, Crustacea), with emphasis on the main sensory structures by Primož Zidar, Primož Mihelič

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Sketch of the Configuration Scheme of Two-stage Variable Speed Gear Transmission in Unmanned Helicopter Main Gearbox by Li Zhengminqing, Li Yingming, Wang Hao, Zhu Rupeng, Jin Guanghu

“…For unmanned helicopter economic cruises,main rotor speed changes could be significant. At present,the most effective method of changing the main rotor speed associated with the great speed range and low cost is a variable speed gear transmission employed in main gearbox. …”
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The Main Coronary Artery (LMCA) Thrombus Presented as an ST Elevation Myocardial Infarction in a Hypercoagulable Patient by Nithin Gottam, Douglas Stewart, Hiroshi Yamasaki, Mohamad Ajjour

“…Left main coronary artery (LMCA) thrombus is a clinically rare event and is thought to be secondary to plaque rupture with subsequent thrombus formation, persistent hypercoagulable state, cocaine use, or vasospasm. …”
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