معرفة
قاعدة البيانات العربية الرقمية "معرفة"
الرئيسية
الخدمات
معامل التأثير "آرسيف"
المفضلة
اتصل بنا
Language
English
العربية
تسجيل الدخول
بحث
تصفح
All
العنوان
المؤلفين / الأشخاص
المؤسسة
بحث
بحث متقدم
بحث متقدم
محددات البحث
الكل
المستخلص
المؤلفين/ الأشخاص
الدولة
المؤسسة
ردمد / ردمك
الموضوع الرئيسي
رقم السجل
المصدر
قائمة المحتويات
العنوان
الموضوعات
و
أو
ليس
الكل
المستخلص
المؤلفين/ الأشخاص
الدولة
المؤسسة
ردمد / ردمك
الموضوع الرئيسي
رقم السجل
المصدر
قائمة المحتويات
العنوان
الموضوعات
و
أو
ليس
الكل
المستخلص
المؤلفين/ الأشخاص
الدولة
المؤسسة
ردمد / ردمك
الموضوع الرئيسي
رقم السجل
المصدر
قائمة المحتويات
العنوان
الموضوعات
محددات الوثيقة
لها نص كامل
العبارة
تحتوي
مطابقة
أي كلمة
Language
العربية
الفرنسية
الإنجليزية
عدد الصفحات
مساوي
أقل من
أكبر من
الصفحات
نوع الوثيقة
مقالات
كتاب
فصل كتاب
دوريات
أطروحات عالمية
رسائل جامعية
أوراق مؤتمرات
عرض كتاب
تقرير إحصائي
التقارير السنوية
مؤتمر
المكنز
البرامج الأكاديمية والتدريب
الجوائز
المفاهيم و المصطلحات
مؤسسة
سؤال استطلاع
فتاوى
الشهادات التدريب
استطلاعات الرأي العام
القرارات الشرعية
ملف شخص
الحوكمة
النظام الأساسي
تقرير مدققي الحسابات
القوانين و التشريعات
تقارير الشركات
سلسلة كتب
التقارير الربعية
عرض مؤتمر
كتاب جامعي
فصل كتاب جامعي
من
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
2006
2005
2004
2003
2002
2001
2000
1999
1998
1997
1996
1995
1994
1993
1992
1991
1990
1989
1988
1987
1986
1985
1984
1983
1982
1981
1980
1979
1978
1977
1976
1975
1974
1973
1972
1971
1970
1969
1968
1967
1966
1965
1964
1963
1962
1961
1960
إلى
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
2006
2005
2004
2003
2002
2001
2000
1999
1998
1997
1996
1995
1994
1993
1992
1991
1990
1989
1988
1987
1986
1985
1984
1983
1982
1981
1980
1979
1978
1977
1976
1975
1974
1973
1972
1971
1970
1969
1968
1967
1966
1965
1964
1963
1962
1961
1960
تقييد النتائج
التخصصات الرئيسية
الكيمياء
(751)
نوع البيانات
مقالات
(751)
اللغة
الإنجليزية
(751)
الدولة
مصر
(751)
المصدر
Journal of Chemistry
(751)
الفترة:
نتائج البحث
(
351
-
400
من
751
)
الصلة
تاريخ النشر تصاعدي
تاريخ النشر تنازلي
العنوان تصاعدي
العنوان تنازلي
المؤلف تصاعدي
المؤلف تنازلي
مقالات
Acetylcholinesterase and Butyrylcholinesterase Inhibitory Activities of β-Carboline and Quinoline Alkaloids Derivatives from the Plants of Genus Peganum
By: Zhao, Ting; Cheng, Xue-mei; Wang, Zheng-tao…[et al.]. Journal of Chemistry. No. 2013 (2013), pp.1-6, 6 p.
مقالات
Syngas Generation from Methane Using a Chemical-Looping Concept : A Review of Oxygen Carriers
By: Li, Kongzhai; Wang, Hua; Tatarinov, Alexander…[et al.]. Journal of Chemistry. No. 2013 (2013), pp.1-8, 8 p.
مقالات
Determination of NH4+ in Environmental Water with Interfering Substances Using the Modified Nessler Method
By: Jeong, Heonsang; Park, Jongtaek; Pocurull, Eva…[et al.]. Journal of Chemistry. No. 2013 (2013), pp.1-9, 9 p.
مقالات
A Preliminary Study of Banana Stem Juice as a Plant-Based Coagulant for Treatment of Spent Coolant Wastewater
By: Musa, Mohibah; Ku Hamid, Ku Halim; Dadfarnia, Shayessteh…[et al.]. Journal of Chemistry. No. 2013 (2013), pp.1-7, 7 p.
مقالات
Validated Spectrophotometric Methods for Simultaneous Determination of Food Colorants and Sweeteners
By: Turak, Fatma; Ozgur, Mahmure Ustun; Hadad, Ghada M.. Journal of Chemistry. No. 2013 (2013), pp.1-9, 9 p.
مقالات
Variation in the Biochemical Composition of the Edible Seaweed Grateloupia turuturu Yamada Harvested from Two Sampling Sites on the Brittany Coast (France) : The Influence of Storage Method on the Extraction of the Seaweed Pigment R-Phycoerythrin
By: Morançais, Michèle; Jaouen, Pascal; Culioli, Gerald…[et al.]. Journal of Chemistry. No. 2013 (2013), pp.1-8, 8 p.
مقالات
Preparation and Electrocatalytic Characteristics Research of PdC Catalyst for Direct Ethanol Fuel Cell
By: Li, Qiao Xia; Xu, Qun Jie; Mao, Hong Min…[et al.]. Journal of Chemistry. No. 2013 (2013), pp.1-6, 6 p.
مقالات
Concentrations and Sources of Polycyclic Aromatic Hydrocarbons in the Seawater around Langkawi Island, Malaysia
By: Zakaria, Zuriati; Surif, Salmijah; Katsoyiannis, Athanasios…[et al.]. Journal of Chemistry. No. 2013 (2013), pp.1-10, 10 p.
مقالات
Removal and Recovery of Chromium from Solutions Simulating Tannery Wastewater by Strong Acid Cation Exchanger
By: Kocaoba, Sevgi; Akcin, Goksel; Ritieni, Alberto…[et al.]. Journal of Chemistry. No. 2013 (2013), pp.1-7, 7 p.
مقالات
Design, Synthesis, and Pharmacological Screening of Novel Porphyrin Derivatives
By: Fadda, Ahmed A.; El-Mekawy, Rasha E.; El-Fedawy, Manal…[et al.]. Journal of Chemistry. No. 2013 (2013), pp.1-11, 11 p.
مقالات
Bhanupaka : A Green Process in the Preparation of an Indian Ayurvedic Medicine, Lauha Bhasma
By: Krishnan, Uma Maheswari; Sekar, Rajan K.; Cerretani, Lorenzo…[et al.]. Journal of Chemistry. No. 2013 (2013), pp.1-8, 8 p.
مقالات
Effect of Caffeine-Zn2+ System in Preventing Corrosion of Carbon Steel in Well Water
By: Rajam, K.; Rajendran, S.; Banu, N. Nazeera…[et al.]. Journal of Chemistry. No. 2013 (2013), pp.1-11, 11 p.
مقالات
Biodiesel Production Using Supercritical Methanol with Carbon Dioxide and Acetic Acid
By: Wei, Chao-Yi; Huang, Tzou-Chi; Chen, Ho-Hsien…[et al.]. Journal of Chemistry. No. 2013 (2013), pp.1-6, 6 p.
مقالات
Studies of Electrolytic Conductivity of Some Polyelectrolyte Solutions : Importance of the Dielectric Friction Effect at High Dilution
By: Boughammoura, Sondes; M'Halla, Jalel; Dufrêche, Jean-François…[et al.]. Journal of Chemistry. No. 2013 (2013), pp.1-15, 15 p.
مقالات
Application of Calixarenes as Macrocyclic Ligands for Uranium(VI) : A Review
By: Kiegiel, Katarzyna; Steczek, Lukasz; Tsushima, Satoru…[et al.]. Journal of Chemistry. No. 2013 (2013), pp.1-16, 16 p.
مقالات
The Oxidation of 2-(2-Methoxyethoxy)ethanol and 2-(2-Ethoxyethoxy)ethanol by Ditelluratocuprate(III) : A Kinetic and Mechanistic Study
By: Li, Yi; Huo, Shu-ying; Yin, Cai-hong…[et al.]. Journal of Chemistry. No. 2013 (2013), pp.1-5, 5 p.
مقالات
Characterization of Oily and Non-Oily Natural Sediments in Palm Oil Mill Effluent
By: Alrawi, Reem A.; Ismail, Norli; Nokhodchi, Ali…[et al.]. Journal of Chemistry. No. 2013 (2013), pp.1-11, 11 p.
مقالات
The Zwitterionic Imidazolium Salt : First Used for Synthesis of 4-Arylidene-2-phenyl-5(4H)-oxazolones under Solvent-Free Conditions
By: Zhou, Baocheng; Chen, Wenxing; Fernández, Francisco José Hernández. Journal of Chemistry. No. 2013 (2013), pp.1-5, 5 p.
مقالات
New Polymer Syntheses Part 57 : Thermally Stable New Ferrocene-Polyazomethines, Synthetic Methodology, and Characterization
By: Abdel-Rahman, Mona Ahmed; Aly, Kamal Ibrahim; Le Derf, Franck…[et al.]. Journal of Chemistry. No. 2013 (2013), pp.1-9, 9 p.
مقالات
Mg(II) Selective PVC Membrane Electrode Based on Methyl Phenyl Semicarbazone as an Ionophore
By: Chandra, Sulekh; Kumar, Adarsh; Gu, Tingyue…[et al.]. Journal of Chemistry. No. 2013 (2013), pp.1-7, 7 p.
مقالات
Molecular Modeling Studies of Substituted 2,4,5-Trisubstituted Triazolinones Aryl and Nonaryl Derivatives as Angiotensin II AT1 Receptor Antagonists
By: Sharma, Mukesh C.; Kohli, Dharm Veer; Sharma, Smita…[et al.]. Journal of Chemistry. No. 2013 (2013), pp.1-14, 14 p.
مقالات
Synthesis and Characterization of Ag2S Layers Formed on Polypropylene
By: Krylova, Valentina; Dukštienė, Nijolė; Chang, Peter R.. Journal of Chemistry. No. 2013 (2013), pp.1-11, 11 p.
مقالات
Cycloaddition Reaction of Carbon Dioxide to Epoxides Catalyzed by Polymer-Supported Quaternary Phosphonium Salts
By: Xiong, Yubing; Guo, Na; Gulías, J. Ángel Irabien…[et al.]. Journal of Chemistry. No. 2013 (2013), pp.1-9, 9 p.
مقالات
Flame Atomic Absorption Determination of Gold Ion in Aqueous Samples after Preconcentration Using 9-Acridinylamine Functionalized γ-Alumina Nanoparticles
By: Aboufazeli, Forouzan; Lotfi Zadeh Zhad, Hamid Reza; Najafi, Ezzatollah…[et al.]. Journal of Chemistry. No. 2013 (2013), pp.1-6, 6 p.
مقالات
Pyranoanthocyanin Derived Pigments in Wine : Structure and Formation during Winemaking
By: Serratosa, María P.; Merida, Julieta; Silva, A. M. S.…[et al.]. Journal of Chemistry. No. 2013 (2013), pp.1-15, 15 p.
مقالات
Sol-Gel Synthesis, X-Ray Diffraction Studies, and Electric Conductivity of Sodium Europium Silicate
By: Get'man, Eugeni I.; Loboda, Stanislav N.; Ardanova, Lyudmyla I.…[et al.]. Journal of Chemistry. No. 2013 (2013), pp.1-6, 6 p.
مقالات
A New Heteroleptic Biquinoline Ruthenium(II) Sensitizer for Near-IR Sensitization of Nanocrystalline TiO2
By: Gupta, K. S. V.; Islam, Ashraful; Karim, Mohammad Rezaul…[et al.]. Journal of Chemistry. No. 2013 (2013), pp.1-4, 4 p.
مقالات
Electrophoretic Deposition of Aluminum Nitride from Its Suspension in Acetylacetone Using Iodine as an Additive
By: Workie, Bizuneh; McCandless, Brian E.; Bruce, Mitchell R. M.…[et al.]. Journal of Chemistry. No. 2013 (2013), pp.1-7, 7 p.
مقالات
A Comparative Study on the Interaction of Sulfonamide and Nanosulfonamide with Human Serum Albumin
By: Behbehani, Gholamreza Rezaei; Nabipur, H.; Kudo, Yoshihiro…[et al.]. Journal of Chemistry. No. 2013 (2013), pp.1-4, 4 p.
مقالات
The Extracts of Some Marine Invertebrates and Algae Collected off the Coast Waters of Vietnam Induce the Inhibitory Effects on the Activator Protein-1 Transcriptional Activity in JB6 Cl41 Cells
By: Dyshlovoy, Sergey A.; Nam, N. H.; Martin-Diana, Ana B.…[et al.]. Journal of Chemistry. No. 2013 (2013), pp.1-6, 6 p.
مقالات
Removal of Pb from Water by Adsorption on Apple Pomace : Equilibrium, Kinetics, and Thermodynamics Studies
By: Chand, Piar; Pakade, Yogesh B.; Mohanty, Kaustubha. Journal of Chemistry. No. 2013 (2013), pp.1-8, 8 p.
مقالات
Separation of Functionalized 5,6-Disubstituted-1,10-Phenanthroline for Dye-Sensitized Solar Cell Applications
By: Shahroosvand, Hashem; Abbasi, Parisa; Notash, Behrouz…[et al.]. Journal of Chemistry. No. 2013 (2013), pp.1-8, 8 p.
مقالات
A Novel and Sensitive Method for the Determination of Vitamin B2 (Riboflavin) in Urine and Pharmaceutical Samples Using an Aqueous Two-Phase Extraction
By: Sajjadifar, Sami; Avazpour, Moayed; Abbasi, Alimohammad…[et al.]. Journal of Chemistry. No. 2013 (2013), pp.1-5, 5 p.
مقالات
Thioxopyrimidine in Heterocyclic Synthesis III : Synthesis and Properties of Some Novel Heterocyclic Chalcone Derivatives Containing a Thieno[2,3-d]pyrimidine-Based Chromophore
By: Ho, Yuh Wen; Yao, Wei Hua; Lalevee, Jacques. Journal of Chemistry. No. 2013 (2013), pp.1-11, 11 p.
مقالات
Efficient and Convenient Route for the Synthesis of Some New Antipyrinyl Monoazo Dyes : Application to Polyester Fibers and Biological Evaluation
By: Fadda, Ahmed A.; Elattar, Khaled M.; Akhtaruzzaman, M. D.. Journal of Chemistry. No. 2013 (2013), pp.1-10, 10 p.
مقالات
Synthesis, Crystal Structure, and Fungicidal Activity of 5-(4-cyclopropyl-5-((3-fluorobenzyl)thio)-4H-1,2,4-triazol-3-yl)-4-methyl-1,2,3-thiadiazole
By: Liu, Xing-Hai; Weng, Jian-Quan; Tan, Cheng-Xia…[et al.]. Journal of Chemistry. No. 2013 (2013), pp.1-5, 5 p.
مقالات
Prediction of Mechanism and Thermochemical Properties of O3 + H2S Atmospheric Reaction
By: Vahedpour, Morteza; Khalili, Freshte; Ren, Ai-Min…[et al.]. Journal of Chemistry. No. 2013 (2013), pp.1-11, 11 p.
مقالات
Sulfur Resistance of Pt-W Catalysts
By: Rivas, Ivana L.; Quiroga, Mónica E.; Garcia-Campana, Ana M.…[et al.]. Journal of Chemistry. No. 2013 (2013), pp.1-8, 8 p.
مقالات
Commercially Important Medicinal Plants of South Africa : A Review
By: Street, Renée A.; Prinsloo, Gerhard; Hadi, A. Hamid A.. Journal of Chemistry. No. 2013 (2013), pp.1-16, 16 p.
مقالات
Estimation of Biochemical Oxygen Demand Based on Dissolved Organic Carbon, UV Absorption, and Fluorescence Measurements
By: Kim, Eunhee; Kim, Hyunook; al-Ghouti, Mohammad A.…[et al.]. Journal of Chemistry. No. 2013 (2013), pp.1-9, 9 p.
مقالات
Thioxopyrimidine in Heterocyclic Synthesis I : Synthesis of Some Novel 6-(Heteroatom-substituted)-(thio)pyrimidine Derivatives
By: Ho, Yuh Wen; Suen, Maw Cherng; Conforti, Filomena. Journal of Chemistry. No. 2013 (2013), pp.1-15, 15 p.
مقالات
Development and Validation of RP-HPLC Method for Simultaneous Estimation of Aspirin and Esomeprazole Magnesium in Tablet Dosage Form
By: Patel, Nishitkumar; Vaishy, Reeta; Solanki, Chiragsinh…[et al.]. Journal of Chemistry. No. 2013 (2013), pp.1-5, 5 p.
مقالات
Application of Electrocoagulation Process for Dairy Wastewater Treatment
By: Moein, Hossein; Nakhaie, Shima; Moldes, Ana…[et al.]. Journal of Chemistry. No. 2013 (2013), pp.1-8, 8 p.
مقالات
Doping the Buckminsterfullerene by Substitution : Density Functional Theory Studies of C59X (X = B, N, Al, Si, P, Ga, Ge, and As)
By: Yuan, Nini; Ji, Yongqiang; Shubina, Tatyana E.…[et al.]. Journal of Chemistry. No. 2013 (2013), pp.1-9, 9 p.
مقالات
Synthesis of Substituted Thieno[2,3-d]pyrimidin-4-ones and Their Testing for Evaluation of Cytotoxic Activity on Mammalian Cell Models
By: Mamadalieva, N. Z.; Elmuradov, B. Zh.; Arslan, Hakan…[et al.]. Journal of Chemistry. No. 2013 (2013), pp.1-6, 6 p.
مقالات
Numerical Modeling Chemical Vapor Infiltration of SiC Composites
By: Zhu, Yaochan; Schnack, Eckart; Tsipis, Ekaterina. Journal of Chemistry. No. 2013 (2013), pp.1-11, 11 p.
مقالات
Modification of Gold Surface with Gold Nanoparticles and Cyclohexyl Dithiocarbamate as a Selective Sensor for Cysteine
By: AlShamaileh, Ehab; Saadeh, Haytham; Gimeno, Concha…[et al.]. Journal of Chemistry. No. 2013 (2013), pp.1-5, 5 p.
مقالات
Evaluation of Acidity Constants and Evolution of Electronic Features of Phenol Derivatives in Different Compositions of MethanolWater Mixture
By: Sanchooli, Mahmud; Valentao, Patricia. Journal of Chemistry. No. 2013 (2013), pp.1-8, 8 p.
مقالات
Study of Syngas Conversion to Light Olefins by Response Surface Methodology
By: Farshchi Tabrizi, Farshad; Mirzaei, Ali Akbar; Demonceau, Albert…[et al.]. Journal of Chemistry. No. 2013 (2013), pp.1-12, 12 p.
مقالات
Fluorescence Spectroscopy Study on the Interaction between Evodiamine and Bovine Serum Albumin
By: Tan, Mingxiong; Luo, Xujian; Gu, Yunqiong…[et al.]. Journal of Chemistry. No. 2013 (2013), pp.1-6, 6 p.
«
3
4
5
6
7
8
9
10
11
12
»