On the cusp forms of mixed type by Edmundas Gaigalas

“… The base of the space of cusp forms of type (−10, 17, χ) is constructed in the form of the generalized quaternary theta series. …”
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Modification of corncob-derived cellulose using Hexadecyltrimethylammonium Bromide and Propylene Carbonate by Ng Yee Shui, Ooi Zhong Xian, Teoh Yi Peng, Ooi Mei Lee

“…According to the FTIR spectrum, there was an extra peak at 1780 cm-1 which belongs to C=O groups and an increase in intensity at 1000–1300 cm-1 which belongs to CN stretching of the quaternary ammonium group. SEM images and zeta potential results supported the quaternary ammonium group was successfully grafted on isolated corn cob cellulose, which are essential for initiating photocatalytic reactions.…”
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Geotourism study of Ghezelowzan basin based on Fassoulas method by Hassan Jafari, mohammad taherkhani, Khadijeh Rezaii

“…The catchment area of the Ghezelowzan is a landform of various quaternary processes that are changing. Identification of geosite plays an important role in explaining quaternary developments. …”
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THE LAKES OF THE ROMANIAN BLACK SEA COAST. MAN-INDUCED CHANGES, WATER REGIME, PRESENT STATE by PETRE GÂŞTESCU, PETRE BREŢCAN, DACIAN CONSTANTIN TEODORESCU

“…This characteristic/position is the result of paleogeographical evolution in the Quaternary and the current climatic conditions in Dobrogea. …”
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A decoding scheme for the 4-ary lexicodes with D=3 by D. G. Kim, H. K. Kim

“…We introduce the algorithms for basis and decoding of quaternary lexicographic codes with minimum distance d=3 for an arbitrary length n.…”
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Hydrochemical Characteristics and Formation of the Madeng Hot Spring in Yunnan, China by Ren Zhenhua, Zhou Xun, Yang Miaolin, Wang Xiaocui, Zheng Yuhui, Li Xiaolu, Shen Ye

“…The Madeng hot spring emerges in the central river valley in the northeastern Lanping Basin in Jianchuan county of Yunnan Province in China. Quaternary sand and gravel occur in the valley which is underlain by the red beds consisting of sandstone and mudstone. …”
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Groundwater-Mixing Mechanism in a Multiaquifer System Based on Isotopic Tracing Theory: A Case Study in a Coal Mine District, China by Pinghua Huang, Xinyi Wang

“…Groundwater from the Quaternary aquifer is supplied by “modern” rainfall. …”
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A local meteoric water line for interior Alaska constrains paleoclimate from 40 000 year old relict permafrost by Thomas A Douglas, Amanda J Barker, Alistair J Monteath, Duane G Froese

“…Information from past warming events provides long-term perspectives for future trajectories; however, late Quaternary seasonal temperatures are poorly constrained. …”
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Effect of Weathering on Cd Mobilization in Different Sedimentary Bedrock Soils by Yongqiang Ning, Minglong Yang, Chutong Liu, Jiazhong Huang, Tianyi Wang, Yong Pang, Quanheng Li

“…Herein, we endeavored to explore the contribution of various sedimentary rocks (Quaternary sediments, mudstone, limestone, sandstone, shale, greywacke, and marl) under similar weathering conditions to the input of Cd in agricultural soils. …”
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Synthesis of N-Methylmorpholinium Derivatives Possessing a 1,3,4-Oxadiazole Core as Feasible Antibacterial Agents against Plant Bacterial Diseases by Xinxin Tuo, Jie Yang, Yedong Zhang, Peiyi Wang

“…To develop a kind of quaternary ammonium compounds that can safely apply in agriculture for managing the plant bacterial diseases, herein, a series of N-methylmorpholinium derivatives possessing a classical 1,3,4-oxadiazole core were prepared and the antibacterial activities both in vitro and in vivo were screened. …”
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Mapping of Agate-like Soil Cover Structures Based on a Multitemporal Soil Line Using Neural Network Filtering of Remote Sensing Data by Dmitry I. Rukhovich, Polina V. Koroleva, Alexey D. Rukhovich, Mikhail A. Komissarov

“…ASCSs are formed on Quaternary sediments of varying thickness from 0.3 to 6 m, underlain by carbonate and red sediments of the Permian period. …”
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The Research and Mechanism of Extracting Vitamin B6 Using Aqueous Two-Phase Systems by Changyu Lu, Luning Gao, Aibing Chen, Duo Li, Yahong Zhou

“…For this purpose, phase diagrams and liquid-liquid equilibrium (LLE) data of the investigated quaternary systems were experimentally determined at 308.15, 318.15, and 328.15 K. …”
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Preparation and characterization of graphene oxide-based cation, chelating, and anion exchangers for salt removal by Mahmoud A. Al Azwani, Saleh Al Busafi, El-Said I. El-Shafey

“…X-ray photon spectroscopy (XPS) showed the presence of -SO3 and S-O on GOT, amine on GOP, and quaternary ammonium group (-NHR2+) on GOQ. TGA shows that GO functionalization is covalent. …”
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European UNESCO Geoparks: Introduction to Part II by Michael Benton

“…The second set of 36 articles in this Part cover the long span of geological time from the Triassic to the Quaternary, arranged in chronostratigraphic order. These document some of the most important stages in the history of life, especially focusing on life after the end-Permian mass extinction, as marine and terrestrial ecosystems rebuilt, and the ‘modern-style’ faunas and floras emerged.…”
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Microstructure and grain refining performance of Ce on A380 alloy by Vončina M., Mrvar P., Petrič M., Medved J.

“…Furthermore Ce phase was detected indicating quaternary phase AlCeCuSi (Al9Ce2Cu5Si3).…”
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The Geo-educational and Conservational Challenges Posed by Unconsolidated Deposits: Some Thoughts and Possible Solutions as Applied to Diamicton Deposits from the British Isles by Murphy Phillip

“…Unconsolidated diamicton deposits of Quaternary age cover much of the lowland areas of the British Isles. …”
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Nouvelle approche métrique de l'épaule du genre Archaeolemur : caractéristiques morphologiques et myologiques by Beby Ramanivosoa

“…They are found in sites dated to the Late Quaternary 26 000 years and 500 years BP. Within these subfossil lemurs, there is one particular genus: Archaeolemur. …”
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NHCs Catalyzed Hydrophosphonylation of α-Ketoesters and α-Trifluoromethyl Ketones by Lin He, Zhi-Hua Cai, Ji-Xin Pian, Guang-Fen Du

“…Under the catalysis of 10 mol% IPr, α-ketoesters or α-trifluoromethyl ketones reacted with dialkyl phosphites to provide quaternary α-hydroxyphosphonates in good to excellent yield.…”
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Prevalence and Detection of qac Genes from Disinfectant-Resistant Staphylococcus aureus Isolated from Salon Tools in Ishaka Town, Bushenyi District of Uganda by Solange Gahongayire, Adamu Almustapha Aliero, Charles Drago Kato, Alice Namatovu

“…The current study aimed at the identification of the prevalent bacteria and characterization of quaternary ammonium compound (qac) genes from disinfectant-resistant S. aureus isolated from salon tools in Ishaka town, Bushenyi District of Uganda. …”
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Anti-microbial cetylpyridinium chloride suppresses mast cell function by targeting tyrosine phosphorylation of Syk kinase by Bright Obeng, Lucas J. Bennett, Bailey E. West, Dylan J. Wagner, Patrick J. Fleming, Morgan N. Tasker, Madeleine K. Lorenger, Dorothy R. Smith, Tetiana Systuk, Sydni M. Plummer, Jeongwon Eom, Marissa D. Paine, Collin T. Frangos, Michael P. Wilczek, Juyoung K. Shim, Melissa S. Maginnis, Julie A. Gosse

“…Cetylpyridinium chloride (CPC) is a quaternary ammonium antimicrobial used in numerous personal care products, human food, cosmetic products, and cleaning solutions. …”
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