Two New Types of Rings Defined by Using a Translational Invariant Fuzzy Subset oleh Manal Ghanem

"…We use a translational invariant fuzzy subset 𝑝 of a ring 𝑅 to define two new types of commutative rings namely, 𝑝-presimplifiable and 𝑝-associate rings. …"
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A note on nil-clean rings oleh Danchev Peter V.

"…We study a special kind of nil-clean rings, namely those nil-clean rings whose nilpotent elements are difference of two “left-right symmetric” idempotents, and prove that in some various cases they are strongly π-regular. …"
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On the Enantioselective HPLC Separation Ability of Sub-2 µm Columns: Chiralpak^® IG-U and ID-U oleh Diana Ibrahim, Ashraf Ghanem

"…Chiralpak^® IG-U [amylose tris (3-chloro-5-methylphenylcarbamate)] has two substituents on the phenyl ring, namely, a withdrawing chlorine group in the third position and a donating group in the fifth position. …"
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Rings all of whose additive group endomorphisms are left multiplications oleh Michael I. Rosen, Oved shisha

"…Motivated by Cauchy's functional equation f(x+y)=f(x)+f(y), we study in §1 special rings, namely, rings for which every endomorphism f of their additive group is of the form f(x)≡ax. …"
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4-Nitrophenyl 2-methylbenzoate oleh Zareen Akhter, Michael Bolte, Humaira M. Siddiqi, Uzma Bibi

"…The major conformational difference between these two molecules is the dihedral angle between the aromatic rings, namely 36.99 (5) and 55.04 (5)°. …"
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The Metric Dimension and Local Metric Dimension of Relative Prime Graph oleh Inna Kuswandari, Fatmawati Fatmawati, Mohammad Imam Utoyo

"…This study aims to determine the value of metric dimensions and local metric dimensions of relative prime graphs formed from modulo  integer rings, namely . As a vertex set is  and  if  and  are relatively prime. …"
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The Benefits of Chalcone and Its Derivatives as Antibacterial Agents: A Review oleh Mustikasari Kamilia, Trisno Santoso Uripto

"…Chalcones contain two aryl rings, namely ring A and B which connected to the α,β unsaturated ketones. …"
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Tuning the Coordination Environment of Ru(II) Complexes with a Tailored Acridine Ligand oleh Ali Awada, Pierre-Henri Lanoë, Christian Philouze, Frédérique Loiseau, Damien Jouvenot

"…A novel tridentate ligand featuring an acridine core and pyrazole rings, namely 2,7- di-<i>tert-</i>butyl-4,5-di(pyrazol-1-yl)acridine, <b>L</b>, was designed and used to create two ruthenium(II) complexes: [Ru<b>L</b>₂](PF₆)₂ and [Ru(tpy)<b>L</b>](PF₆)₂. …"
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Comparing complexities of problems of determining of Grebner’s basis of ideal and solving this ideal oleh A. V. Shokurov

"…He proposed to use special basis in such rings named “Gröbner Basis” in the honor of his teacher. …"
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Translational Frameshifting in the <i>chlD</i> Gene Gives a Clue to the Coevolution of the Chlorophyll and Cobalamin Biosyntheses oleh Stepan Kuznetsov, Alexander Milenkin, Ivan Antonov

"…An important step in the biosynthesis of these coenzymes is the insertion of a metal ion into a porphyrin ring. Namely, Mg-chelatase ChlIDH and aerobic Co-chelatase CobNST are utilized in the chlorophyll and vitamin B12 pathways, respectively. …"
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4-{2-[5-(4-Chlorophenyl)-1-(4-fluorophenyl)-1H-pyrazol-3-yl]thiazol-4-yl}benzonitrile oleh Tara Shahani, Hoong-Kun Fun, R. Venkat Ragavan, V. Vijayakumar, S. Sarveswari

"…Each molecule consists of five rings, namely chlorophenyl, fluorophenyl, 1H-pyrazole, thiazole and benzonitrile. …"
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True-Randomness and Pseudo-Randomness in Ring Oscillator-Based True Random Number Generators oleh Nathalie Bochard, Florent Bernard, Viktor Fischer, Boyan Valtchanov

"…The paper deals with true random number generators employing oscillator rings, namely, with the one proposed by Sunar et al. in 2007 and enhanced by Wold and Tan in 2009. …"
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LC–ESI–FT–MSⁿ Metabolite Profiling of <i>Symphytum officinale</i> L. Roots Leads to Isolation of Comfreyn A, an Unusual Arylnaphthalene Lignan oleh Gilda D’Urso, Milena Masullo, Jacqueline Seigner, Yvonne M. Holper-Schichl, Rainer de Martin, Alberto Plaza, Sonia Piacente

"…An LC–ESI–Orbitrap–MSⁿ metabolite profile of a hydroalcoholic extract of comfrey root guided the identification of 20 compounds, including a new arylnaphthalene lignan bearing a rare δ-lactone ring, named comfreyn A. Its structure was determined using extensive 2D NMR and ESI–MS experiments. …"
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Uncovering the Mechanism of Azepino‐Indole Skeleton Formation via Pictet–Spengler Reaction by Strictosidine Synthase: A Quantum Chemical Investigation oleh Mingqi Mou, Dr. Chenghua Zhang, Dr. Shiqing Zhang, Fuqiang Chen, Dr. Hao Su, Prof. Dr. Xiang Sheng

"…For example, the PS condensation of 1H‐indole‐4‐ethanamine with secologanin could be promoted by the STR from Rauvolfia serpentina (RsSTR) to generate a rare class of skeletons with a seven‐membered ring, namely azepino‐[3,4,5‐cd]‐indoles, which are precursors for the synthesis of new compounds displaying antimalarial activity. …"
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Polymeric Hydrogels for Intervertebral Disc Replacement/Integration: Playing with the Chemical Composition for Tuning Shear Behavior and Hydrophilicity oleh Devid Maniglio, Elia Bissoli, Emanuela Callone, Sandra Dirè, Antonella Motta

"…In particular, for the replacement of the IVD outer ring, namely, the <i>anulus fibrosus</i>, the shear properties are of paramount importance. …"
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Research on a new magnetic-field-modulated brushless double-rotor machine with sinusoidal-permeance modulating ring oleh Ping Zheng, Jiaqi Liu, Jingang Bai, Zhiyi Song, Yong Liu

"…In this paper, a new MFM-BDRM with sinusoidal-permeance modulating ring named Sinusoidal-Permeance-Modulating-Ring Brushless Double-Rotor Machine (SPMR-BDRM) is proposed to solve the problem of poor mechanical strength and large iron loss. …"
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Predicting the structural, elastic and electronic properties of new two-dimensional carbon and silicon monolayers oleh Huayue Mei, Yuhan Zhong, Dafang He, Xue Du, Chunmei Li, Nanpu Cheng

"…One type of two-dimensional monolayer materials is composed of four- and eight-membered rings called octagonal-C and octagonal-Si, and another type of two-dimensional structures consists of regular triangles and twelve-membered rings named dodecagonal-C and dodecagonal-Si. The theoretical phonon dispersions show that all predicted structures are dynamically stable. …"
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Advances in contraception: vaginal contraceptive rings oleh Sara Al-Haddad, Ki’ara K. R. Branham, Camille A. Clare

"…In this article, we will discuss the different types of vaginal contraceptive rings, namely, the etonogestrel/ethinyl estradiol (ENG/EE) ring (NuvaRing, Merck, Rahway, NJ, USA) and the segesterone acetate (SA)/EE (Annovera, Mayne Pharma, Raleigh, NC, USA) ring. …"
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Bounds for Coding Theory over Rings oleh Niklas Gassner, Marcus Greferath, Joachim Rosenthal, Violetta Weger

"…In addition to the overweight, we also study a well-known metric on finite rings, namely the homogeneous metric, which also extends the Lee metric over the integers modulo 4 and is thus heavily connected to the overweight. …"
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Dioxidomolybdenum(VI) complex featuring a 2,4-difluoro-substituted amine bis(phenolate) ligand oleh Christina L. Bowen, Bradley M. Wile

"…Here we report the crystal structure of such a model complex bearing a tetradentate amine bis(phenolate) ligand with fluorine substituents on the phenolate rings, namely, [2,2′-({[2-(dimethylamino)ethyl]azanediyl}bis(methylene))bis(4,6-difluorophenolato)]dioxidomolybdenum(VI)), [Mo(C18H18F4N2O2)O2]. …"
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