بحثتصفح
بحث متقدم

بحث متقدم

محددات البحث

محددات الوثيقة

العبارة
تقييد النتائج
التخصصات الرئيسية
نوع البيانات
اللغة
الدولة
المؤلفين / الأشخاص
المصدر
المؤسسة
الموضوعات

نتائج البحث

   (251 - 300 من 369)
مقالات

Synthesis and supramolecularity of non-centrosymmetric proton transfer compound 2-aminopyridinum picolinoate

By: al-shahateet, Solhe F.. Jordan Journal of Chemistry. Vol. 5, no. 4 (Dec. 2010), pp.317-324, 8 p.

Subjects: Chemical reactions

مقالات

Etude par DFT+U de l’interaction ni-CeO2

By: Chafi, Z.; Boudjennad, E.; Keghouche, N.…[et al.]. Sciences et Technologie : Sciences Exactes. No. 32 (2010), pp.15-20, 6 p.

Subjects: Chemical processes; Fires; Internal combustion engines; Thermochemistry; Chemical reactions

مقالات

Elaboration and characterization of hybrid materials organic inorganic

By: Boubekka, O.; Ouili, Z.; Alliouche, H.…[et al.]. Sciences et Technologie : Sciences Exactes. No. 32 (2010), pp.9-14, 6 p.

Subjects: Chemical reactions; Chemistry; Inorganic chemistry; Organic chemistry

مقالات

Investigation of rate equations model for passive q-switching laser

By: Kamil, Abd al-Munim Khalil; Salih, Abd al-Karim Mahdi. Journal of Thi-Qar Science. Vol. 2, no. 3 (Sep. 2010), pp.199-206, 8 p.

Subjects: Chemical processes; Lasers; Chemical reactions; Chemistry

مقالات

Synthesis and solid-state structure analyses of a thia-bridged diquinolinium acetate compound

By: al-Ghazzawi, Nawwash Mamduh; al-Shahatit, Sulhi Faysal; Bishop, Roger. Jordan Journal of Chemistry. Vol. 5, no. 3 (Sep. 2010), pp.211-220, 10 p.

Subjects: Chemical reactions; Solid state chemistry

مقالات

Theoretical study to synthesis 1,3,5,-tri glycerol benzene using semiempirical and ab-initio calculation methods

By: Duray, Abbas Abd Ali. National Journal of Chemistry. No. 39 (2010), pp.481-498, 18 p.

Subjects: Chemical processes; Chemical reactions

مقالات

A study for some of mechanical properties of Al2O3 ceramic thin film prepared by spray pyrolysis method

By: Hamzah, Muhammad Sallab; Abd al-Hamid, Ala Ala al-Din. The Iraqi Journal for Mechanical and Materials Engineering. Vol. 10, no. 2 (2010), pp.290-303, 14 p.

Subjects: Chemical reactions; Mechanical properties

مقالات

Surfactant enhanced reaction between benzocaine and pdimethylaminobenzaldehyde : study and its analytical application

By: Khalil, Rabah A.; Husayn, Sana A.. The Arabian Journal for Science and Engineering. Section A, Science. Vol. 35, no. 2A (Jul. 2010), pp.56-66, 11 p.

Subjects: Chemical processes; Chemistry; Osmosis; Chemical reactions

مقالات

CW-CO2 laser photoinitiated polymerization of methyl methacrylate

By: Jawad, Husayn Ali; Jasim, Awatif Sabir; Yusuf, Muhammad Yusuf B.. al-Tarbiyah wa-al-Ilm : Majallat ilmiyah lil-Buhuth al-Ilmiyah al-Asasiyah. Vol. 23, no. 2 (2010), pp.24-37, 14 p.

Subjects: Acrylates; Chemical reactions

مقالات

Kinetics of the alkaline hydrolysis of isatin and A^-methylisatin in water and water-A^-dimethylacetamide mixtures

By: Rasman, Ramyah F.; Ismail, Amal M.; al-Jalal, Nada A.. Journal of Saudi Chemical Society. (Jun. 2010), pp.223-229, 7 p.

Subjects: Central nervous system; Chemical bonds; Chemical reactions; Nervous system

مقالات

Non-covalent interactions involved in the crystal structure of proton-transfer compounds of Saccharinate anion and different cations

By: al-Ghazzawi, Nawwash Mamduh. Jordan Journal of Chemistry. Vol. 5, no. 2 (Jun. 2010), pp.149-155, 7 p.

Subjects: Chemical reactions; Social structure

مقالات

Effects of a new set of computed additive parameters on the rate of SN2 substitution reactions

By: Said, Mahmud. al-Tarbiyah wa-al-Ilm : Majallat ilmiyah lil-Buhuth al-Ilmiyah al-Asasiyah. Vol. 23, no. 2 (2010), pp.7-15, 9 p.

Subjects: Chemical reactions

مقالات

On sπ -weakly regular rings, II

By: Khalil, Shahla M.. al- Rafidain Journal of Computer Sciences and Mathematics. Vol. 7, no. 1 (2010), pp.145-150, 6 p.

Subjects: Chemical reactions

مقالات
1
عدد الاستشهادات
في قاعدة ارسيف

Wnil-injective modules

By: Mahmud, Raida Dawud; Muhammad, Husam Q.. al- Rafidain Journal of Computer Sciences and Mathematics. Vol. 7, no. 1 (2010), pp.135-143, 9 p.

Subjects: Chemical reactions

مقالات

On rings whose simple singular R-modules are flat, I

By: Mahmud, Raida Dawud; Abd al-Jabbar, Abd Allah M.. al- Rafidain Journal of Computer Sciences and Mathematics. Vol. 7, no. 1 (2010), pp.51-57, 7 p.

Subjects: Algebra; Chemical reactions

أوراق مؤتمرات

Synthesis and polymerization of poly acryl imide and one of their derivatives then curing the product with alkyl halide

By: al-Tamimi, Intisar Uayd Prisse; al-Bayati, Samiah Jumah Khammas. Scientific Conference for Women : Chemistry (1st : 2012 : Baghdad, Iraq) Baghdad Science Journal. Vol. 7, no. 1 (2010), pp.631-640, 10 p.

Subjects: Chemical reactions

رسائل جامعية

The influence OD additive on some physical and mechanical properties of polymer blends

By: al-Abbadi, Rana Mahdi. Ph.D.; University of Technology; 2009

Subjects: Chemical reactions; Mechanical properties

مقالات

Study of hardness ,wear and corrosion resistance of ZrO2 ceramic coats prepared by spray pyrolysis method

By: Utaywi, Ali Husayn; Abd al-Hamid, Ala Ala al-Din. The Iraqi Journal for Mechanical and Materials Engineering. No. E (2009), pp.787-797, 11 p.

Subjects: Chemical reactions; Mechanical properties

مقالات

Radical polymerization of vinyl acetate in the presence of chain transfer agents: determination of chain transfer constants and activation energy of transfer

By: Aliwi, Salah Muhsin; Najim, Tariq Suhayl; Ali, Asma Mahmud. National Journal of Chemistry. No. 36 (2009), pp.660-666, 7 p.

Subjects: Chemical reactions

مقالات

Kinetics and mechanism of hydrogen sorption in yttrium-silicon D88- structure phases, part II (model for predicting the kinetics of hydrogen Reactivity with Y5Si2Ge)‎

By: Hasan, Mouaid A.; al-Salim, Tahsin A.. National Journal of Chemistry. No. 36 (2009), pp.680-689, 10 p.

Subjects: Chemical processes; Silicon; Chemical reactions; Hydrogen

مقالات

Pyrolysis of coconut shell : an experimental investigation

By: Sundaram, E. Ganapathy; Natarajan, E.. The Journal of Engineering Research. Vol. 6, no. 2 (Dec. 2009), pp.33-39, 7 p.

Subjects: Biology; Chemical reactions; Chemicals; Biomass; Plants

مقالات

Ab initio investigations of some 1, 2-diols rearrangement via G3 calculations

By: Hilal, Mustafa R.; Abbas, Khamis A.. Jordan Journal of Chemistry. Vol. 4, no. 3 (Sep. 2009), pp.251-266, 16 p.

Subjects: Chemical reactions; Organic compounds

مقالات

Investigation of redox reaction between [Fe (2, 2´-bipy)‎ 3] 2+ and −⋅ I2 , induced by Cu2+ and I-in aqueous medium

By: Summer, Shazia; Perveen, Abida; Naqfi, Iftikhar Imam. The Arabian Journal for Science and Engineering. Section A, Science. Vol. 34, no. 2A (Jul. 2009), pp.75-85, 11 p.

Subjects: Chemical processes; Chemical reactions

مقالات

Theoretical study of the ground state intramolecular proton transfer in cytidines

By: Said, Bahjat Ali. Journal of Basrah Researches : Sciences. Vol. 35, no. 3A (Jun. 2009), 7 p.

Subjects: Chemical reactions

مقالات

Spectrophotometric determination of mefenamic acid using the oxidation reduction reaction of iodide and iodate ions

By: Uthman, Nabil Sabih; Awadees, Lina Samir. National Journal of Chemistry. No. 34 (2009), pp.363-374, 12 p.

Subjects: Aminobenzoic acids; Analgesics; Chemical reactions

مقالات

Post-gel polymerization shrinkage strain evaluation of four light-activated composites using different curing modes

By: al-Shaykhali, Ali A. Razooki. Journal of Baghdad College of Dentistry. Vol. 21, no. 2 (2009), pp.14-17, 4 p.

Subjects: Acrylic resins; Chemical reactions

مقالات

Synthesis of some substituted pyrimidines via cycloaddition reaction of amidines and chalcones

By: al-Ujayli, M. S.; Sadiq, G. T.; al-Ujayli, H. M.. al-Tarbiyah wa-al-Ilm : Majallat ilmiyah lil-Buhuth al-Ilmiyah al-Asasiyah. Vol. 22, no. 2 (Jun. 2009), pp.38-46, 9 p.

Subjects: Amidines; Chemical processes; Chemical reactions

مقالات

Cheap bifluoride catalysts for group–transfer polymerization

By: al-Lami, Hadi Sulayman. Iraqi Journal of Polymers. Vol. 13, no. 1 (2009), pp.11-22, 12 p.

Subjects: Chemical reactions

رسائل جامعية

Catalyzed direct reactions of methanol with silicon powder and low-temperatures oxidation of carbon monoxide over supported gold using fixed-bed reactors

By: al-Sadi, Fouad Abd al-Amir. Ph.D.; University of Baghdad; 2008

Subjects: Alcoholic beverages; Chemical processes; Silicon; Chemical reactions

مقالات

The UV and ir spectra of some schiff bases derived from salicylaldehyde and o-methoxybenzaldehyde : study the influence of concentration of schiff base on tautomerism reaction process

By: Azzuz, Adil Said P.; al-Dabbagh, Asma B. N.. National Journal of Chemistry. No. 32 (2008), pp.677-686, 10 p.

Subjects: Chemical processes; Chemical reactions

مقالات

Calcul ab-initio et dft des dérivés du benzofuroxane dans la réaction de diels-alder

By: Iyadi, S.; Abd Rabbih, M.. Sciences et Technologie : Sciences Exactes. No. 28 (2008), pp.61-66, 6 p.

Subjects: Chemical processes; Chemical reactions

مقالات

Synthesis and behavior of α-iminocarboxyamide nickel and zirconium catalysts towards olefin polymerization

By: al-Sayigh, Abd al-Hamid Ahmad. Journal of King Abdulaziz University : Sciences. Vol. 20, no. 2 (2008), pp.101-109, 9 p.

Subjects: Alkanes; Chemical reactions; Hydrocarbons

مقالات

Effect of the degree of polymerization on the intrinsic discoloration of light activated resin composite restorations

By: Safi, Rihab Khalil; Abd al-Muhsin, Muhammad Muhammad; Fahmi, Ula Muhammad Ibrahim…[et al.]. Suez Canal University Medical Journal. Vol. 11, no. 2 (Oct. 2008), pp.215-218, 4 p.

Subjects: Chemical reactions; Reinforced plastics

مقالات

Comparative study-reaction of 2`-hydroxychalcones with hydroxyl amine hydrochloride in different reaction medium

By: al-Isa, S. A.; Hattab, A. A.. Journal of Saudi Chemical Society. Vol. 12, no. 4 (Oct. 2008), pp.537-541, 5 p.

Subjects: Chemical processes; Chemical reactions

مقالات

Microwave-assisted synthesis of 3-nitro-2h-chromenes

By: Koussini, Rafiq; al-Shahri, Ayed S.. Journal of Saudi Chemical Society. Vol. 12, no. 4 (Oct. 2008), pp.531-535, 5 p.

Subjects: Chemical reactions

مقالات

Synthesis and spectroscopic characterization of copper with glutamic acid in solution (O,P)‎ Hemilabile Lig and[ Pd (n2-Ph2PCH2CH2OCH3)‎ AND{Pd(n1- Ph2PCH2CH2OCH3)‎2DIAMINE} .2BF4

By: Warad, Ismail. Journal of Saudi Chemical Society. (Jun. 2008), pp.183-193, 11 p.

Subjects: Chemical processes; Chemical reactions; Copper

مقالات

Halogen substituted bis (arylimino)‎ pyridine transition metal complexes as catalysts for the oligomerization and polymerization of ethylene

By: Seitz, Marcus; Gorl, Christian; Alt, Helmut G.…[et al.]. Jordan Journal of Chemistry. Vol. 3, no. 2 (Jun. 2008), pp.109-145, 37 p.

Subjects: Chemical reactions; Chemicals

مقالات

Kinetic analysis of isothermal decomposition of (Mg5(CO3)‎4(OH)‎2.4H2O5Cr2o3)‎ crystalline mixture

By: al-Uthman, Asma A.; al-Farhan, Khalid .A.; Mahfouz, R. M.. Journal of Saudi Chemical Society. (Jun. 2008), pp.155-164, 10 p.

Subjects: Chemical reactions; Chemical reactors; Mathematical models

مقالات

Spectrophotometric assay of dipyrone in pharmaceutical preparations via oxidative coupling reaction with m-toluidine and potassium hexacyanoferrate (III)‎

By: Salih, E. S.; al-Sharuk, M. M.. al-Tarbiyah wa-al-Ilm : Majallat ilmiyah lil-Buhuth al-Ilmiyah al-Asasiyah. Vol. 21, no. 2 (Jun. 2008), pp.36-45, 10 p.

Subjects: Analytical chemistry; Chemical reactions

مقالات

Heterocyclic synthesis using nitrilimines : part 8†. synthesis of aromatic 1,2,4-triazoles

By: Dallul, Hani M.; Abd Allah, Nasir S.; Abu Samahah, Ahmad S.. IUG Journal of Natural Studies. Vol. 16, no. 2 (Jun. 2008), pp.87-95, 9 p.

Subjects: Amidines; Aromatic compounds; Chemical reactions

مقالات

Pyrolysis of high-density polyethylene for the production of fuel-like liquid hydrocarbon

By: Abbas, Ammar Salih; Shubar, Sawsan D. A.. Iraqi Journal of Chemical and Petroleum Engineering. Vol. 9, no. 1 (Mar. 2008), pp.23-29, 7 p.

Subjects: Chemical reactions; Organic compounds; Hydrocarbons

مقالات

Synthesis and study of dimethyl-2-(11-isoindolo [1,2-b] benzothiazolyl)‎ but-2-ene-4-diate and related compounds

By: Ali, Sami A.; Husayn, Salim H.; Yusuf, Walid Y.. National Journal of Chemistry. No. 29 (2008), pp.166-173, 8 p.

Subjects: Alkanes; Chemical processes; Chemical reactions

مقالات

Synthesis of eugenol acetate and polyeugenol acetate and their biological activity

By: Rahim, A. Z.; al-Tamimi, Raid K.; al-Greeb, Nawras T.. Iraqi Journal of Polymers. Vol. 12, no. 1 (Mar. 2008), pp.109-122, 14 p.

Subjects: Chemical processes; Chemical reactions

مقالات

Equilibrium and kinetic study for the reaction of Trans-K [Cr (ox)‎ z (H20)‎ 2].3Hz0 with 4-aminoantipyrine

By: Aziz, Bakhtiar Kamal; Ibrahim, Karim Jumah. Ibn al-Haitham Journal for Pure and Applied Science. Vol. 20, no. 1 (2007), pp.119-127, 9 p.

Subjects: Dynamics; Mathematics; Mechanics; Physics; Statics

رسائل جامعية

Synthesis, structural studies and characterisation of new (N2S2)‎ and (N2O2)‎ tetradentate mannich base ligands derived from phosphinic acid with thiosemicarbazide and semicarbazide and their coordination complexes with some metal ions

By: Muhammad, Ahmad Jasim. Ph.D.; University of Baghdad; 2007

Subjects: Chemical processes; Chemical reactions

مقالات

Reactivity and reaction pathway study using mass spectrometry

By: al-Nakat, John Hanna; Ghanim, Nuha; Fisher, Keith…[et al.]. Jordan Journal of Chemistry. Vol. 2, no. 3 (Dec. 2007), pp.265-273, 9 p.

Subjects: Chemical processes; Chemical reactions

مقالات

Diimine chromium complexes as catalyst precursors for homogeneous ethylene polymerization

By: Kestel-Jakob, Alexandra; Alt, Helmut G.. Jordan Journal of Chemistry. Vol. 2, no. 3 (Dec. 2007), pp.219-233, 15 p.

Subjects: Chemical reactions

مقالات

Effect of curing modes on the depth of cure of resin composite

By: al-Mallah, Abd al-Azim R.. al-Rafidain Dental Journal. Vol. 7, no. 2 (Dec. 2007), pp.195-200, 6 p.

Subjects: Chemical reactions; Composite materials; Industries

مقالات

Porosity of different thickness of acrylic polymerized by ferent methods

By: Abbud, Luayy N.. al-Rafidain Dental Journal. Vol. 7, no. 2 (Dec. 2007), pp.173-179, 7 p.

Subjects: Acrylic resins; Chemical reactions

مقالات

Preparation of macroporous styrene – divinyl benzene copolymers

By: al-Sabti, Mathil Dayif; Jawad, Jawad K.; Jacob, Wisam F.. Engineering and Technology Journal. Vol. 25, no. 09 (2007), pp.1041-1048, 8 p.

Subjects: Chemical reactions

© 2024 عالم المعرفة للمحتوى الرقمي. جميع الحقوق محفوظة.