On Higher N-Derivation Of Prime Rings

Anwar K. Faraj; Abdulrahman H. Majeed

doi:10.21123/bsj.2014.11.2.211-219

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Publication Date

Sun Jun 01 2014

Journal Name

Baghdad Science Journal

Volume

11

Issue Number

2

DOI

10.21123/bsj.2014.11.2.211-219

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On Higher N-Derivation Of Prime Rings

derivation

Jordan ideal

higher derivation

prime ring.

Anwar K. Faraj

Abdulrahman H. Majeed

...Show More Authors

The main purpose of this work is to introduce the concept of higher N-derivation and study this concept into 2-torsion free prime ring we proved that:Let R be a prime ring of char. 2, U be a Jordan ideal of R and be a higher N-derivation of R, then , for all u U , r R , n N .

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Sun May 05 2024

Journal Name

Review Of Clinical Pharmacology And Pharmacokinetics - International Edition

Cytotoxic effects of the Crassula ovata n-hexane fraction on human esophagus cancer KYSE-30 cells

Al-Yassery H.K.

Enas Jawad

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The current study shows the cytotoxicity effect of the Crassula ovata n-hexane extract on esophagus can¬cer. C. ovata is a perennial succulent plant belonging to the Crassulaceae family. In Africa, the leaves were used medicinally to cure epilepsy and diarrhoea by boiling them in milk. The hexane fraction, which is obtained through the maceration method, demonstrates the presence of many compounds that have an anticancer effect, which are ob¬tained by gas chromatography - mass spectroscopy. The phytosterol compound was isolated by a preparative thin layer chromato¬graph and was identified by liquid chromatography - mass spectroscopy. The hexane fraction was found to possess a strong anticancer effect against esophagus cancer. The

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Mon Dec 14 2020

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Plos One

Healthy lifestyle behaviors are major predictors of mental wellbeing during COVID-19 pandemic confinement: A study on adult Arabs in higher educational institutions

Hashem A.

Mo’ath F.

Ali

Khaled

Omar

Maher M.

Taiysir

Maher

Mahfoodha

Majed

Ruba M.

Ahmad

Mawaheb

Iyad

Faten

Monther

Ayesha S.

Abdulsalam

Osama

Laila

Asma M.

Mohamed

Yasir

Saad

Ahmad

Raghda

Jamal

Mostafa

Laila

Leen H.

Ahmad S.

Areej

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Background

In the past infectious diseases affected the quality of lifestyle during home confinement. The study conducted examines the influence of home confinement during the COVID-19 pandemic outbreak on lifestyle, mental wellbeing, nutritional status, and sleeping pattern.

Method

An online multicategorical questionnaire was distributed to collect demographic information combined with the following tools: Food Frequency Questionnaire (FFQ), International Physical Activity Questionnaire (IPAQ), WHO-5 wellbeing score, and Pittsburgh Sleep Quality Index (PSQI). A snowball non-discriminate sampling procedure was

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Effect Of Polar Component(1-Propanol) On The Relative Volatility Of The Binary System N-Hexane - Benzene

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Vapor-liquid equilibrium data are presented for the binary systems n-hexane - 1-propanol, benzene - 1-propanol and n-hexane – benzene at 760 mm of mercury pressure. In addition ternary data are presented at selected compositions with respect to the 1-propanol in the 1-propanol, benzene, n-hexane system at 760 mmHg. The results indicate the relative volatility of n-hexane relative to benzene increases appreciably with addition of 1-propanol.

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Sum of Squares of ‘n’ Consecutive Carol Numbers

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Cullen Numbers

Fibonacci

Sum of Squares

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C.

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The discussion in this paper gives several theorems and lemmas on the Sums of Squares of consecutive Carol Numbers. These theorems are proved by using the definition of carol numbers and mathematical induction method. Here the matrix form and the recursive form of sum of squares of consecutive Carol numbers is also given. The properties of the Carol numbers are also derived.

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Synthesis and anti-bacterial study of novel compounds with bis (four-, five-, and seven-membered) heterocyclic rings

bis- 1

3-diazetidine-2-one

bis-imidazolidin-4-one

bis –tetrazole

bis –thiazolidin-4-one

bis -1

3- oxazepine

Muna S.

Huda A.

Dheefaf F.

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New twin compounds having four-, five-, and seven- membered heterocyclic rings were synthesized via Schiff bases (1a,b) which were obtained by the condensation of o-tolidine with two moles of 4- N,N-dimethyl benzaldehyde or 4- chloro benzaldehyde. The reaction of these Schiff bases with two moles of phenyl isothiocyanate, phenyl isocyanate or naphthyl isocyanate as in scheme(1) led to the formation of bis -1,3- diazetidin- 2- thion and bis -1,3- diazetidin -2-one derivatives (2-4 a,b). While in scheme (2) bis imidazolidin-4-one (5a,b) ,bistetrazole (6a,b) and bis thiazolidin-4-one (7a,b) derivatives were produced by reacting the mentioned Schiff bases(1a,b)with two moles of glycine, sodium azide or thioglycolic acid, respectively. The new b

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