Mind the leaf anatomy while taking ground truth with portable chlorophyll meters by Zuzana Lhotáková, Eva Neuwirthová, Markéta Potůčková, Lucie Červená, Lena Hunt, Lucie Kupková, Petr Lukeš, Petya Campbell, Jana Albrechtová

“…On laminar leaves, all instruments performed well for chlorophyll content estimation (R2 > 0.80, nRMSE < 15%), regardless of the variation in their specific internal structure (mesomorphic, scleromorphic, or scleromorphic with hypodermis), similarly to the performance of four reflectance indices (R2 > 0.90, nRMSE < 16%). …”
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Does teaching quality matter for Nordic primary school students’ mathematics confidence and mathematics achievement? A multilevel structural equation analysis of Nordic TIMSS 2019... by Lena Asp, Alli Klapp, Monica Rosén

“…To capture the hierarchical structure of the data, multilevel structural equation modelling (MSEM) is used as it keeps individual and classroom variation separate when investigating relations between teaching quality, mathematics confidence and mathematics achievement. …”
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Synthesis, structure and properties of N-R-amides and hydrazides of 2-[4-R-5-(theophylline-7ʹ-yl)-1,2,4-triazole-3-ylthio]acetic acid by A. S. Gotsulya

“…Conclusions. 15 amide and 3 hydrazide 2-[4-R-5-(theophylline-7'-yl)-1,2,4-triazole-3-ylthio]acetic acids have been synthesized, their structure has been established and physical properties have been studied.…”
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Land use change has profoundly altered the process of bacterial community assembly in the northeastern black soil zone by Ning Sun, Xu Zhao, Xu Zhao, Fangyuan Liu, Fangyuan Liu, Ge Song, Mengmeng Zhang, Fuqiang Song

“…The Average Variation Degree (AVD) indicated that bacterial communities in cropland soils had greater compositional stability. …”
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A Phenologically Simplified Two-Stage Clumping Index Product Derived from the 8-Day Global MODIS-CI Product Suite by Ge Gao, Ziti Jiao, Zhilong Li, Chenxia Wang, Jing Guo, Xiaoning Zhang, Anxin Ding, Zheyou Tan, Sizhe Chen, Fangwen Yang, Xin Dong

“…The clumping index (CI) is a key structural parameter that quantifies the nonrandomness of the spatial distribution of vegetation canopy leaves. …”
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Nanoscale cuticle mass density variations influenced by pigmentation in butterfly wing scales by Deepan Balakrishnan, Anupama Prakash, Benedikt J. Daurer, Cédric Finet, Ying Chen Lim, Zhou Shen, Pierre Thibault, Antónia Monteiro, N. Duane Loh

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Advances in insect chromosome evolution(昆虫染色体进化研究进展) by 陆月琪(LU Yueqi), 陈曦(CHEN Xi), 李飞(LI Fei)

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Variation Characteristics of Mass-Loss Rate in Dynamic Seepage System of the Broken Rocks by Luzhen Wang, Hailing Kong

“…When the collapse column and its adjacent rocks in complex geological structures are disturbed by mining, concomitant fine particle migration, mass loss, and porous structure variation during the water seepage process in broken rocks are the inherent causes for collapse column activation and water inrush. …”
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Unprecedented Continuum Time Delay Variation Phenomenon in an Active Supermassive Black Hole by Shuying Zhou, Mouyuan Sun, Hai-Cheng Feng, Sha-Sha Li, Yongquan Xue, Jun-Xian Wang, Zhen-Yi Cai, Jin-Ming Bai, Danyang Li, Hengxiao Guo, H. T. Liu, Kai-Xing Lu, Jirong Mao, Marcin Marculewicz, Jian-Guo Wang

“…Theoretically, the SMBH accretion disk structure does not evolve over decades. Here we report the significant variations in the continuum time delays of NGC 4151. …”
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Analysis of temperature variation characteristics in relative recording rooms of geomagnetic reference stations by Shaopeng He, Xiujuan Hu, Guoping Chang, Pengkun Guo

“…Conversely, fully above-ground structures have poorer insulation, although a thicker insulation layer can still meet regulatory requirements. …”
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Effect of Heating Rates on the NiAl Alloy Using Molecular Dynamics Simulation by Ridwan Ridwan, Sudarno Sudarno, Wahidin Nuriana, Rizal Arifin

“…Moreover, at the temperature 4000 K, the local face-centered cubic (fcc) and hexagonal close-packed (hcp) structures in the NiAl exhibit variations depending on the heating rates. …”
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Study on influence of bedding on hydraulic fracture propagation morphologies in Jurassic reservoirs by YUAN Lina, WANG Guangtao, WANG Chengwang, HOU Rui, SUN Feng

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Natural movement: Measuring optimal pathway configuration of museum layout and pedestrian accessibility through visibility graph analysis and intelligent agent simulation by Xiang Wang, Mengsi Yang, Weicong Li, Lin Yuan, Qimeng Ren, Qian Xie, Runze Liu

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Effect of heat treatment on the microstructure and mechanical properties of TiAl alloys by Bo Li, Mengyao Tian, Lihan Feng, Da Wu, Hongjian Guo, Yimin Gao, Yitong Xu, Chen An, Chenyu Liang

“…The bright linear precipitated phases in the α2/γ lamellar structure diffused along the lamellar orientation. …”
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Are you filtering enough? Unveiling the impact of water sample volumes on eukaryotic microbial community in freshwater lakes by Xinyu Chen, Chen Wang, Zhen Shen, Jiaming Lv, Bobing Yu, Keqiang Shao, Xiangming Tang

“…Analysis of 18S rRNA gene amplicons revealed that variations in filtered water sample volume significantly affected the diversity, community structure, and composition of eukaryotic microorganisms. …”
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Mechanical Properties, Impermeability, and Microstructure of Mortar Containing Recycled Fine Aggregates Modified by Graphene Oxide After High-Temperature Exposure by Zhao Xiang, Guofu Chen, Zhiwei Cai, Jiaxing Shao

“…The hydration products, pore structure, and microstructure of mortar containing RFAs and GO were analyzed using an X-ray diffractometer, mercury intrusion porosimetry, and scanning electron microscopy, respectively. …”
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Adaptive dual-graph learning joint feature selection for EEG emotion recognition by Liangliang Hu, Congming Tan, Yin Tian

“…Adaptive dual-graph learning simultaneously constructs a local similarity graph and a global structural graph to comprehensively capture both local similarities and global dependencies among EEG samples. …”
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Novel Nonlinear Suspension Based on Concept of Origami Metastructures: Theoretical and Experimental Investigations by Antonio Zippo, Giovanni Iarriccio, Moslem Molaie, Francesco Pellicano

“…This study presents a comprehensive investigation of an innovative mechanical system inspired by recent advancements in metamaterials; more specifically, the work is focused on origami-type structures due to their intriguing mechanical properties. …”
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A Global hydrological index describes ecological conditions in rivers: A new approach to environmental flow calculation reflecting macroinvertebrate requirements by Andrzej Wałęga, Renata Kędzior, Tomasz Skalski, Dariusz Młyński

“…The global hydrological regime and the ecological and trophic structure of 1200 local macroinvertebrate communities were analyzed in 30 catchments in Poland. …”
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Tree Invasions of Subarctic Shrublands Interact With Locally Augmented Snow and Functional Soil Depths: A Case Study in Denali National Park by Johanne O. Albrigtsen, Sarah E. Stehn, Carl Roland, Scott T. Allen

“…ABSTRACT Land‐cover changes and new ecosystem trajectories in Interior Alaska have altered the structure and function of landscapes, with regional warming trends altering carbon and water cycling. …”
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