Two New Types of Rings Defined by Using a Translational Invariant Fuzzy Subset Dahkki 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 Dahkki 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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Rings all of whose additive group endomorphisms are left multiplications Dahkki 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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On the Enantioselective HPLC Separation Ability of Sub-2 µm Columns: Chiralpak^® IG-U and ID-U Dahkki 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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The Metric Dimension and Local Metric Dimension of Relative Prime Graph Dahkki 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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Toric Hyperkahler Varieties Dahkki Hausel, T, Sturmfels, B

“…Both varieties are non-compact, and they share the same cohomology ring, namely, the Stanley-Reisner ring of a matroid modulo a linear system of parameters. …”

Recent developments on (−)-colchicine derivatives: Synthesis and structure-activity relationship Dahkki Ghawanmeh, Abdullah A., Al-Bajalan, Hussein M., Mackeen, Mukram Mohamed, Alali, Feras Q., K. F., Chong

“…Moreover, the current classification of derivatives based on the (−)-colchicine rings, namely ring A, B, and C (−)-colchicine derivatives, is discussed. …”
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Tuning the Coordination Environment of Ru(II) Complexes with a Tailored Acridine Ligand Dahkki 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 Dahkki 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 Dahkki 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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True-Randomness and Pseudo-Randomness in Ring Oscillator-Based True Random Number Generators Dahkki 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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Uncovering the Mechanism of Azepino‐Indole Skeleton Formation via Pictet–Spengler Reaction by Strictosidine Synthase: A Quantum Chemical Investigation Dahkki 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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Synthesis, structure, and reaction chemistry of a cyclic (alkyl)(amino)aluminyl anion Dahkki Koshino, Kota

“…Chapter 4 presented the first example of a dialane(6) dianion based on the Al2O three-membered ring, namely, dianionic aluminum analog of oxirane, exhibiting extremely high reactivity resulting from the electron-rich and highly strained Al–Al σ-bond.…”
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Variations on the theme of zeta functions of groups and rings Dahkki Lee, S

“…The second part, which is the main part of the thesis, consists of the various approximations of zeta functions of groups and rings, namely: graded ideal zeta functions (Chapter 3 and 4), finite zeta functions enumerating subalgebras (or ideals) of finite Lie F_p-algebras over F_p (Chapter 5), and the i-th partial zeta functions of groups and rings (Chapter 6). …”

Synthesis, And Physico-Chemical and Biological Charaterization of New Schiff Bases Derived From Thiophene and Their Transition Metal Complexes Dahkki Osman, Md.Uwaisulqarni

“…Several new Schiff bases formed from S-benzyldithiocarbazate (SBDTC) and S- methyldithiocarbazate (SMDTC) with selected aldehyde/ketones containing a thiophene ring namely, 1-(2-thienyl)-1-propanone and thiophene-2-carbaldehyde in 95 % of ethanol have been synthesized. …”
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Polymeric Hydrogels for Intervertebral Disc Replacement/Integration: Playing with the Chemical Composition for Tuning Shear Behavior and Hydrophilicity Dahkki 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 Dahkki 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 Dahkki 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 Dahkki 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 Dahkki 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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