Progress in completion technology of deep coalbed methane development wells in Qinshui Basin by Penglei SHEN, Shuaifeng LYU, Jianping BAI, Guofu LI, Yanqing YANG, Zhangkai XIONG

“…The second well completion structure is only applicable to the geological conditions where the overlying strata is relatively stable and there is no aquifer or weak aquifer. …”
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Optimal Dimensional Synthesis of Ackermann and Watt-I Six-Bar Steering Mechanisms for Two-Axle Four-Wheeled Vehicles by Yaw-Hong Kang, Da-Chen Pang, Dong-Han Zheng

“…Performance was evaluated based on maximum structural error (steering accuracy) and mechanical advantage (transmission efficiency). …”
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Multi-strategy ugt mining, modification and glycosyl donor synthesis facilitate the production of triterpenoid saponins by Lin Hao, Yu Liu, Guiru Dong, Jingyan Liu, Kai Qiu, Xiaopeng Li, Yanan Qiao

“…We also discussed the latest research progress on UGT modification including directed evolution and rational design. These strategies, through amino acid mutations and structural optimization, are expected to enhance UGT catalytic activity, thermal stability, and broaden substrate specificity. …”
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Sedimentary Characteristics and Petroleum Geological Significance of the Middle–Upper Triassic Successions in the Wushi Area, Western Kuqa Depression, Tarim Basin by Yahui Fan, Mingyi Hu, Qingjie Deng, Quansheng Cai

“…Furthermore, Triassic foreland tectonic movements during its deposition significantly altered basin configuration, thereby driving lacustrine expansion. (3) The Wushi Sag exhibits favorable hydrocarbon accumulation configurations, featuring two principal source–reservoir assemblages: self-sourced structural-lithologic gas reservoirs with vertical migration pathways, and lower-source-upper-reservoir structural-lithologic gas reservoirs with lateral migration. …”
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Sublines of Omicron Genovariant of SARS-CoV-2 Virus as Potential Dominant Agents of New Rises of COVID-19 Morbidity in Russia by T. E. Sizikova, N. V. Karulina, A. A. Petrov, V. N. Lebedev, S. V. Borisevich

“…The main distinguishing feature of the new subvariants («Kraken», «Czerber»,  «Centaur», «Arktur», «Pirola») are multiple amino acid exchanges in structural glycoprotein S. The maximum level  of variability of this structural protein compared to the original variant of SARS-CoV-2 virus is marked for Pirola  subvariant. …”
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Photochemical synthesis of natural lipids in artificial and living cells by Peng Ji, Alexander Harjung, Caroline H. Knittel, Alessandro Fracassi, Jiyue Chen, Roberto J. Brea, Neal K. Devaraj

“…Our finding that photochemical lipid synthesis can be driven by simple genetic elements could be the starting point for developing protocells capable of Darwinian evolution. Additionally, the ability to generate specific membrane lipids in living cells with precise spatiotemporal control will advance studies on how lipid structure influences cellular function.…”
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Nanoporous Copper Fabricated by Dealloying Single-Phase Mn-Cu-Al Alloy and Its Non-Enzymatic Glucose Detection by Jinyi Wang, Bowen Fan, Jincheng Yu, Mengqiong Huang, Jiana Song, Zhaokun Yang, Yuan Ji

“…A three-dimensional bicontinous nanoporous structure was fabricated, with a ligament size of 55 nm~100 nm and pore size of 35 nm~85 nm. …”
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Hybrid Window Decoding for Joint Source Channel Anytime Coding System by Li Deng, Zhiping Shi, Yixin Wang, Xiaoxi Yu, Yong Liang Guan, Zhiping Xu

“…Unlike the traditional JEWD technique and its variants, the proposed JHWD algorithm utilizes a hybrid window structure. It achieves this by implementing adaptive local expanding window decoding in the sliding window region, guided by syndrome-check-based detection. …”
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A review of simulation and modeling approaches in microbiology by A. I. Klimenko, Z. S. Mustafin, A. D. Chekantsev, R. K. Zudin, Yu. G. Matushkin, S. A. Lashin

“…Bacterial communities are tightly interconnected systems consisting of numerous species making it challenging to analyze their structure and relations. There are several experimental techniques providing heterogeneous data concerning various aspects of this object. …”
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Carbon emission effects of land use change in Nanchang, West of Central China Region by Shuai Fu, Bingxian Xu, Yuxin Peng, Ciyi Huangxiong, Xiuxiang Li

“…The adjustment and optimization of energy consumption structure and the improvement of human-land policies in Nanchang from the perspectives of optimizing land use layout and structure, rationally controlling population size, and advocating low-carbon lifestyle are conducive to the construction of ecological civilization and sustainable development of Nanchang.…”
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Analysis of the Coal and Gas Outburst Mechanism from the Perspective of Tectonic Movement by Qingyi Tu, Yuanping Cheng, Sheng Xue, Ting Ren, Xiang Cheng

“…When external dynamic factors are changed, tectonic coals are crucial to outburst control for its evolution of porous structure as well as the unique mechanical behaviors and gas flowing responses. …”
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Virulence and Genetic Diversity of <i>Puccinia</i> spp., Causal Agents of Rust on Switchgrass (<i>Panicum virgatum</i> L.) in the USA by Bochra A. Bahri, Peng Tian, Samikshya Rijal, Katrien M. Devos, Jeffrey L. Bennetzen, Shavannor M. Smith

“…However, similar haplotypes and races were also recovered from several states, suggesting migration events, and highlighting the need to further investigate the switchgrass rust population structure and evolution in the USA.…”
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Risk assessment of fire casualty in underground commercial building based on FFTA-BN model by Wenjun Fu, Jintao Li, Jinghong Wang, Jialin Wu

“…The FTA model was transformed into a BN structure via conversion rules and was optimized. The optimized BN model can dynamically analyze the specific fire evolution process and quantify the impacts of different emergency response measures on fire control, evacuation, and casualties. …”
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The Spatial Network Characteristics of the Coupling Coordination Degree Between Pollution and Carbon Reduction and High-Quality Development in the Yangtze River Economic Belt by Mengjiao Fan, Ying Wang, Sheng Ye, Chao Wei, Zhibin Xue

“…The coupling and coordination degree between pollution, carbon reduction, and high-quality development of 110 cities in the Yangtze River Economic Belt from 2010 to 2021 was measured, and the modified gravity model and social network analysis were then employed to assess the spatial network characteristics, patterns, and structure evolution. The results indicated that the coupling and coordination of urban clusters in the Yangtze River Economic Belt showed an increasing pattern, and the spatial arrangement shifted from dispersed to centralized. …”
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A New Machine Learning Algorithm for Regional Low-Carbon Economic Development Analysis Based on Data Mining by Xinlei Liu

“…And other factors of Selection of regional economic development foundation, energy structure, resource characteristics, industrial status, development mode, geographical location, were also discussed.…”
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Influence of the process of damage accumulation on the asymptotic behavior of stress fields under creep conditions of a sample with a central crack by Yulia S. Bykova, Larisa V. Stepanova

“…The proposed procedure can pave the way to an analytical solution of the boundary value problem and allow us to determine the structure of the asymptotic solution of the problem.…”
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Vocalic Ratio as One of the Most Important Criteria of Phonetic Classification of World Languages by N. K. Genidze

“…The article concerns the ideas by Ferdinand de Saussure (Indo-European root’s structure) and Aleksander V. Isachenko (phonetic typology).Results and discussion. …”
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Evaluating landscape ecological risk through Supply-Demand balance in ecosystem services Evidence from China by Jiangwei Kong, Mengxi Gao, David Deusen

“…The ecosystem service (ES) supply–demand balance (SDB) is important for reducing ecological effects and improving landscape structure. Landscape ecological risk (LER) evaluations have traditionally focused on the possibility of ES supply loss instead of the supply–demand coupled connection, meaning they do not provide an entire overview of the ecological risk scenario. …”
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The development of HPLC-MC as a method of purity assessment and confirmation the molecular mass of new bioactive compounds by B. A. Varynskyi

“…The assessment of the purity and structure of these compounds is a very important task. …”
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A Dual-Encoder Contrastive Learning Model for Knowledge Tracing by Yanhong Bai, Xingjiao Wu, Tingjiang Wei, Liang He

“…These encoders naturally form contrastive pairs through temporal evolution, effectively enhancing representation capabilities for low-frequency knowledge concepts without requiring destructive data augmentation operations that may compromise knowledge structure integrity. …”
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