Extremely Weak Geomagnetic Field Following Permo‐Carboniferous Reverse Superchron and Its Geological Implications by Weijie Zhang, Xixi Zhao, Congcong Gai, Zhaoxia Jiang, Zhong Zheng, Qingsong Liu

“…Our results reveal that geomagnetic field intensity was exceptionally low during this period, averaging approximately one‐sixth of the modern field intensity. …”
Get full text

The current state of the humus content of arable chernozems of the true steppes (the example of the Rostov region, Russia) by O. V. Chernova, I. O. Alyabina, O. S. Bezuglova, Yu. A. Litvinov

“…The current average humus content in arable chernozems is very low, it is close to the critical level, below which crop yield is decreased despite of sufficient mineral fertilizers using.Conclusion. …”
Get full text

Study on the preparation of sterile noble metal nanoparticles and hydrotalcite layered nanoparticles by innovative high pressure sterilization method by Zhihua Xu, Renyin Zhang, Tongtong Zhang, Zhihan Niu, Min Zhang, Feng Shi

“…Functional group characterisation results showed that the surfaces of the four nanoparticles contained abundant functional groups. …”
Get full text

Comparative Study on the Effect of Various Implant-Abutment Connections on Microbial Leakage by Aditya Acharya, Richa Sahai, K. Anusha Ravindra, Shivani Mishra, Guruprasad Uikey, Mustansir M. Electricwala

“…Microbial leakage was assessed by culturing samples from the external surfaces of each implant system on MacConkey agar. …”
Get full text

A Geometric Approach to Nonlinear Control of a Research Aircraft by Manmohan Sharma, Soumya Ranjan Mahapatro

“…The control approach has also been extended to the case of stuck faults in multiple control surfaces. A novel approach has also been proposed to handle stuck faults of control surfaces. …”
Get full text

Sensitive ratiometric detection of Fumonisin B1 using a reusable Ag-pSi SERS platform by Narsingh R. Nirala, Sudharsan Sadhasivam, Rohit Kumar Singh, Edward Sionov, Giorgi Shtenberg

“…Herein, a ratiometric aptasensor was constructed using silver-coated porous silicon (Ag-pSi) used as an efficient surface-enhanced Raman scattering (SERS) substrate. …”
Get full text

Numerical Investigation on the Aerodynamic Benefits of Corrugated Wing in Dragonfly-like Hovering Flapping Wing by Arun Raj Shanmugam, Chang Hyun Sohn, Ki Sun Park

“…The aerodynamic characteristics of corrugated wings are investigated quantitatively using cycle-averaged vertical force coefficient. For the qualitative investigation, time histories of vertical force coefficient, vorticity, and surface pressure distribution are used. …”
Get full text

Effects of Wing Kinematics on Aerodynamics Performance for a Pigeon-Inspired Flapping Wing by Tao Wu, Kai Wang, Qiang Jia, Jie Ding

“…Numerical results show that the twisting motion weakens the leading-edge vortex (LEV) on the upper surface of the wing during the downstroke by reducing the effective angle of attack, thereby significantly reducing the time-averaged lift and power consumption. …”
Get full text

The relationship between moisture in the low level of the troposphere and seasonal precipitation over Iran by Hasan Nuroozi, Amin Shirvani, Mathew Barlow

“…The CCA time series are correlated to global sea surface temperatures to assess the connections to large‐scale, potentially predictable modes of variability. …”
Get full text

Structure and Properties of Ti-Al Intermetallic Coatings Reinforced with an Aluminum Oxide Filler by Artem Igorevich Bogdanov, Vitaliy Pavlovich Kulevich, Victor Georgievich Shmorgun, Leonid Moiseevich Gurevich

“…It is shown that as a result of aluminizing on the titanium surface, a homogeneous coating 30–40 µm thick without defects is formed. …”
Get full text

Graphene oxide‐ellagic acid nanocomposite as effective anticancer and antimicrobial agent by Samer Hasan Hussein‐Al‐Ali, Suha Mujahed Abudoleh, Mohd Zobir Hussein, Saifullah Bullo, Arul Palanisamy

“…Abstract In this study, ellagic acid (ELA), a skin anticancer drug, is capped on the surface(s) of functionalised graphene oxide (GO) nano‐sheets through electrostatic and π–π staking interactions. …”
Get full text

A Europe-wide characterization of the external exposome: A spatio-temporal analysis by Kees de Hoogh, Gerard Hoek, Benjamin Flückiger, Alonso Bussalleu, Danielle Vienneau, Ayoung Jeong, Nicole Probst-Hensch, Maria Gabriela M. de Pinho, Joreintje D. Mackenbach, Jeroen Lakerveld, Joline WJ Beulens, Raphaele Castagné, Cyrille Delpierre, Michelle Kelly-Irving, Youchen Shen, Anke Huss, Payam Dadvand, Marta Cirach Pradas, Mark Nieuwenhuijsen, Jelle Vlaanderen, Roel Vermeulen

“…Country-level correlations varied. Annual average exposure surfaces were stable over time, with strong correlations between early and late time points for all factors except O3​ (R = 0.66). …”
Get full text

ACO-NM hybrid optimization calculation method for transit time of oxygen activation logging in CO2 injection profile by WANG Zhengyan, CHEN Meng, YANG Guofeng, LIU Guoquan, PEI Yang, CHEN Qiang

“…To validate the algorithm’s accuracy, comparative analysis was conducted between the ACO-NM hybrid optimization and the traditional least squares method. Taking surface metered injection volumes as the evaluation standard, relative errors were quantified. …”
Get full text

Constraining the budget of NO_<i>x</i> and volatile organic compounds at a remote tropical island using multi-platform observations and WRF-Chem model simulations by C. Poraicu, J.-F. Müller, T. Stavrakou, C. Amelynck, C. Amelynck, B. W. D. Verreyken, B. W. D. Verreyken, B. W. D. Verreyken, B. W. D. Verreyken, N. Schoon, C. Vigouroux, N. Kumps, J. Brioude, P. Tulet, P. Tulet, C. Mouchel-Vallon, C. Mouchel-Vallon

“…Surface ozone concentrations are overestimated by <span class="inline-formula">∼6</span> ppbv on average, likely due to the neglect of halogen chemistry in the model, though other factors may also contribute. …”
Get full text

Numerical Simulation Study on the Dynamic Processes and Evolution Laws of Multiple Granular Flows in a Gully by LEI Ming, ZHANG Liang, YE Chen, WANG Xiekang

“…Notably, the flow duration increases significantly with decreasing secondary slope angle and friction coefficient. Granule average potential energy increases with decreasing secondary slope angle yet exhibits low sensitivity to friction coefficient variation. …”
Get full text

Diseño de losas de hormigón con geometría optimizada Design of concrete pavement with optimized slab geometry by Juan Pablo Covarrubias V.

“…The new methodology designs concrete slabs for high traffic volume ways, which in average are 7 cm thinner than traditional pavement design developed by AASHTO (1993). …”
Get full text

Natrolitised nepheline-bearing Teschenite Association rocks from the Podbeskydí area (Czech Republic): a testimony from selected accessory minerals by D. Matýsek, J. Jirásek, Š. Chládek, O. Pour, O. Pour

“…Its appearance is very similar to loparite – it forms polygonal grains clearly altered from the outer surface. Its average formula based on 11 spots can be written as (Ca<span class="inline-formula">_1.41</span>Sr<span class="inline-formula">_0.01</span>LREE<span class="inline-formula">_0.75</span>Fe<span class="inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" id="M4" display="inline" overflow="scroll" dspmath="mathml"><mrow><msubsup><mi/><mn mathvariant="normal">0.07</mn><mrow><mn mathvariant="normal">3</mn><mo>+</mo></mrow></msubsup></mrow></math><span><svg:svg xmlns:svg="http://www.w3.org/2000/svg" width="18pt" height="17pt" class="svg-formula" dspmath="mathimg" md5hash="ed0efec39b9a015d5ba669fb6d55cf91"><svg:image xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="ejm-37-555-2025-ie00001.svg" width="18pt" height="17pt" src="ejm-37-555-2025-ie00001.png"/></svg:svg></span></span>Al<span class="inline-formula">_0.01</span>Th<span class="inline-formula">_0.02</span>)<span class="inline-formula">_Σ2.27</span>(Ti<span class="inline-formula">_2.58</span>Nb<span class="inline-formula">_1.58</span>Ta<span class="inline-formula">_0.04</span>Si<span class="inline-formula">_0.14</span>Zr<span class="inline-formula">_0.01</span>)<span class="inline-formula">_Σ4.34</span>(O<span class="inline-formula">_11.95</span>F<span class="inline-formula">_0.05</span>)<span class="inline-formula">_Σ12.00⋅</span> nH<span class="inline-formula">₂</span>O, with the ThO<span class="inline-formula">₂</span> content elevated compared to local loparite. …”
Get full text

Unified solution of earth pressure at the end of shallow buried shield at different driving angles by Zunqun Xiao, Shumin Zhang, Caiyun Xu, Haineng Dong, Hao li, Xuchao Sun, Minghui Deng, Puyu Li, Yuepeng Zheng

“…The sliding surfaces initiate from the horizontal planes at both tunnel sides. …”
Get full text

Evaluating the Potential to Quantify Salmon Habitat via UAS‐Based Particle Image Velocimetry by Lee R. Harrison, Carl J. Legleiter, Brandon T. Overstreet, James S. White

“…PIV results were sensitive to the velocity index (α) used to convert surface velocities to depth‐averaged velocities. Sun glint precluded PIV analysis along the margins of some images and a large degree of overlap between frames was thus required to obtain continuous coverage of the reach. …”
Get full text

Size-dependent aggregation of erythrocytes by low molecular weight hyaluronic acids of different sizes: bioactivity and quality control potential by Xinyue Ma, Xiao Wang, XiaoXiao Jia, Jessica H. Hui, Joshua H. Shofaro, Ran Tao, Mizhou Matthew Hui

“…In particular, low molecular weight HA (LMW-HA) fragments—such as HA60 (average 60 kDa), HA35 (average 35 kDa), and HA24 (average 24 kDa)—exhibit enhanced tissue permeability and unique interactions with cell surfaces compared to high molecular weight HA (HMW-HA). …”
Get full text