Prevalence of Pharmaceuticals in Surface Water Samples in Ghana by David Azanu, David Adu-Poku, Selina Ama Saah, William Ofori Appaw

“…The estimated risk quotient values for antibiotics resistance were above 1 for all the antibiotics investigated in surface water impacted by the wastewater of hospitals and pharmaceutical companies’ except surface water impacted by sewage treatment plants (STPs) and market wastewater. …”
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HARDENING OF CASTINGS AT FREE FORMING OF INTERNAL SURFACE by E. I. Marukovich, V. F. Bevza, V. P. Grusha

“…The reasons of arising of the hollow castings polythickness at free forming of internal surface are investigated. The recommendations on its reduction are given…”
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Lightlike Hypersurfaces and Canal Hypersurfaces of Lorentzian Surfaces by Jianguo Sun, Donghe Pei

“…And we obtain some geometrical propositions of the canal hypersurfaces of Lorentzian surfaces. We introduce the notions of flatness for these hypersurfaces and study their singularities.…”
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Fullerene nanosheets for surface-enhanced Raman spectroscopy by Linchangqing Yang, Yahui Li, Wei Liu, Junhao Zhang, Qinghong Kong, Guangcheng Xi

“…Most surface-enhanced Raman scattering (SERS) substrates are based on noble metals or transition metal semiconductors. …”
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Effect of Sterilization on Surface Roughness of Different Archwire by Syed A. Abdulhameed, Ruma Rani, N. Ashwathi, Dwijesh S. Goswami, Jeff Z. Nixon, G. Chandra Mohan

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On Differential Equations Derived from the Pseudospherical Surfaces by Hongwei Yang, Xiangrong Wang, Baoshu Yin

“…We construct two metric tensor fields; by means of these metric tensor fields, sinh-Gordon equation and elliptic sinh-Gordon equation are obtained, which describe pseudospherical surfaces of constant negative Riemann curvature scalar σ = −2, σ = −1, respectively. …”
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Surface Roughness Analysis of Subsea Cables/Umbilicals by Ahmed Reda, Han Eng Low, Mohamed A. Shahin

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Density and surface tension of molten cast irons by Fima P., Sobczak N.

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Classification of earth surface image segmentation methods by D. V. Kypriyanava, D. Y. Pertsau, M. M. Tatur

“…The classification of methods for land surface image segmentation is presented in the paper. …”
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AN EXAMINATION OF CONJUGATIONAL SUFFIXES OF PASSIVE CONSTRUCTIONS IN FULFULDE by YAHAYA MOHAMMED AHMED

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Analysis of reconfigurable intelligent surface assisted networking by LIU Qiuyan, LI Bei, CAO Yanxia, YAO Saibin, JIANG Zhenwei, MO Xiaohao, WANG Yafeng

Subjects: “…reconfigurable intelligent surface…”
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Quadric surfaces of finite Chen Ⅱ-type by Mutaz Al-Sabbagh

Subjects: “…surfaces in 3-space…”
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Surface Potential of Polycrystalline Hematite in Aqueous Medium by Tajana Preočanin, Filip Stipić, Atiđa Selmani, Nikola Kallay

“…The surface potential of polycrystalline hematite in aqueous sodium perchlorate environment as a function of pH was examined. …”
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Rotationally Symmetric Harmonic Diffeomorphisms between Surfaces by Li Chen, Shi-Zhong Du, Xu-Qian Fan

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Stabilization of Carboxylate Surface Species on Pd(111) by Florencia Calaza, Wilfred T. Tysoe, Darío J. Stacchiola

“…The stabilization of formate and acetate surface species on Pd(111) has been studied by temperature-programmed desorption and infrared reflection absorption spectroscopy (IRRAS). …”
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On families of K3 surfaces with real multiplication by Bert van Geemen, Matthias Schütt

“…We exhibit large families of K3 surfaces with real multiplication, both abstractly, using lattice theory, the Torelli theorem and the surjectivity of the period map, as well as explicitly, using dihedral covers and isogenies.…”
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The influence of surface properties on colour centres in diamond by Anja Sadzak, Anke Krueger

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A theorem of differential mappings of Riemann surfaces by Peichu Hu, Mingze Yang

Subjects: “…Riemann surfaces…”
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Bioceramic Surface Topography Regulating Immune Osteogenesis by Jianxin Hao, Lin Du, Yuening He, Chengtie Wu

“…Methods: In this study, bioceramics with micro-groove structures on the surface are fabricated by digital light processing 3-dimensional printing technology. …”
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Analisys of thermal processes during induction surfacing by E. I. Marukovich, V. A. Kharkov, D. A. Meshkov, A. M. Kovalev, I. O. Sazonenko, G. V. Komissarov

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