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
(417)
نوع البيانات
مقالات
(417)
اللغة
الإنجليزية
(417)
الدولة
مصر
(417)
المصدر
Journal of Chemistry
(417)
الفترة:
نتائج البحث
(
301
-
350
من
417
)
الصلة
تاريخ النشر تصاعدي
تاريخ النشر تنازلي
العنوان تصاعدي
العنوان تنازلي
المؤلف تصاعدي
المؤلف تنازلي
مقالات
Metal-free Catalyzed One-Pot Multicomponent Synthesis of (E)-3-(2-((5-(Benzylideneamino)-1,3,4-thiadiazol-2-yl)thio) Acetyl)-2H-chromen-2-one Derivatives and Their Biological Evaluation
By: Adil, Syed Farooq; Siddiqui, M. Rafiq H.; Penoni, Andrea…[et al.]. Journal of Chemistry. No. 2020 (2020), pp.1-7, 7 p.
مقالات
Evaluation of Methylene Blue Sorption onto Low-Cost Biosorbents: Equilibrium, Kinetics, and Thermodynamics
By: Singh, Rekha; Singh, Tony S.; Martinho, José M. G.…[et al.]. Journal of Chemistry. No. 2020 (2020), pp.1-11, 11 p.
مقالات
Uniform Loading of Nickel Phosphide Nanoparticles in Hierarchical Carbonized Wood Channel for Efficient Electrocatalytic Hydrogen Evolution
By: Bai, Yuanjuan; Zhang, Yidan; Li, Xianjun…[et al.]. Journal of Chemistry. No. 2020 (2020), pp.1-6, 6 p.
مقالات
Study on Treatment of Salicylhydroxamic Acid Wastewater from Tungsten Molybdenum Mineral Processing
By: Zhang, Liping; Zhang, Xin; Feng, Chenglian…[et al.]. Journal of Chemistry. No. 2020 (2020), pp.1-8, 8 p.
مقالات
Hosoya and Harary Polynomials of Hourglass and Rhombic Benzenoid Systems
By: Cheng, Zhong-Lin; Ahmad, Haseeb; Wang, Shaohui…[et al.]. Journal of Chemistry. No. 2020 (2020), pp.1-14, 14 p.
مقالات
Molecular Signatures of Humic Acids from Different Sources as Revealed by Ultrahigh Resolution Mass Spectrometry
By: Qin, Shuai; Xu, Chengbin; Xiao, Yihua…[et al.]. Journal of Chemistry. No. 2020 (2020), pp.1-11, 11 p.
مقالات
Partial and Total Solvent-Free Limonene’s Hydrogenation: Metals, Supports, Pressure, and Water Effects
By: Fabiano-Tixier, Anne-Sylvie; Touaibia, Mohamed; Kostas, Ioannis D.…[et al.]. Journal of Chemistry. No. 2020 (2020), pp.1-11, 11 p.
مقالات
Organically Modified Montmorillonite as Nanoreactor to Improve the Grafting Degree of Maleic Anhydride onto Polypropylene
By: Li, Zhenghui; Leal, João Paulo; Hu, Hongyu…[et al.]. Journal of Chemistry. No. 2020 (2020), pp.1-7, 7 p.
مقالات
Sources of Nitrogen Pollution in Upstream of Fenhe River Reservoir Based on the Nitrogen and Oxygen Stable Isotope
By: Zhao, Ying; Dang, Jinhua; Feng, Chenglian…[et al.]. Journal of Chemistry. No. 2020 (2020), pp.1-8, 8 p.
مقالات
Ionothermal Synthesis of Metal Oxide-Based Nanocatalysts and Their Application towards the Oxidative Desulfurization of Dibenzothiophene
By: Alenazi, Bader; Mancini, Pedro M.; Siddiqui, M. Rafiq H.…[et al.]. Journal of Chemistry. No. 2020 (2020), pp.1-11, 11 p.
مقالات
The Impact of Venture Capital on the Growth of Small- and Medium-Sized Enterprises in Agriculture
By: Du, Junjuan; Wang, Shaohui; Cai, Zheng-Qun. Journal of Chemistry. No. 2020 (2020), pp.1-8, 8 p.
مقالات
Synthesis, Characterization and Antibacterial Activity of Schiff Base, 4-Chloro-2-{(E)-[(4-Fluorophenyl)imino]methyl}phenol Metal (II) Complexes
By: Ommenya, F. K.; Andala, Dickson M.; Maneiro, Marcelino…[et al.]. Journal of Chemistry. No. 2020 (2020), pp.1-8, 8 p.
مقالات
Chemical Composition of Urtica simensis Grown in Different Regions of Ethiopia
By: Bayba, Koju Bedekach; Dubale, Amare Aregahegn; De Oliveira, Marcone Augusto Leal…[et al.]. Journal of Chemistry. No. 2020 (2020), pp.1-8, 8 p.
مقالات
Degradation Pattern of Textile Effluent by Using Bio and Sono Chemical Reactor
By: Al-Sakkaf, Basem Mohammed; Nasreen, Sadia; Feng, Fada…[et al.]. Journal of Chemistry. No. 2020 (2020), pp.1-13, 13 p.
مقالات
Investigation of Variations of Invertase and Glucose Oxidase Degrees against Heating and Timing Options in Raw Honeys
By: Sahin, Huseyin; Kolaylı, Dr. Sevgi; Curcio, Manuela…[et al.]. Journal of Chemistry. No. 2020 (2020), pp.1-7, 7 p.
مقالات
Optimizing Spatial Distribution of Urban Green Spaces by Balancing Supply and Demand for Ecosystem Services
By: Ji, Yi-Wen; Zhang, Lang; Liu, Jia-Bao…[et al.]. Journal of Chemistry. No. 2020 (2020), pp.1-8, 8 p.
مقالات
TiO2 Nanoparticles Decorated Graphene Nanoribbons for Voltammetric Determination of an Anti-HIV Drug Nevirapine
By: Apath, Daniel; Moyo, Mambo; Shumba, Munyaradzi…[et al.]. Journal of Chemistry. No. 2020 (2020), pp.1-13, 13 p.
مقالات
Effects of Ethanol Blending on the Formation of Soot in n-HeptaneAir Coflow Diffusion Flame
By: Ya, Yuchen; Nie, Xiaokang; Tu, Yaojie…[et al.]. Journal of Chemistry. No. 2020 (2020), pp.1-10, 10 p.
مقالات
Treatment of Cd2+ and Cu2+ Ions Using Modified Apatite Ore
By: Nguyen, Thom T.; Pham, Nam T.; al-Ghouti, Mohammad A.…[et al.]. Journal of Chemistry. No. 2020 (2020), pp.1-12, 12 p.
مقالات
Synthesis, Radical-Scavenging Activities, and Protective Effects against AAPH-Induced Oxidative Damage in DNA and Erythrocytes of Piperine Derivatives
By: Qin, Bei; Yang, Kuan; Persichilli, Silvia…[et al.]. Journal of Chemistry. No. 2020 (2020), pp.1-12, 12 p.
مقالات
Synthesis, Biological Activity, and Molecular Modeling Studies of Pyrazole and Triazole Derivatives as Selective COX-2 Inhibitors
By: Assali, Mohyeddin; Abualhasan, Murad N.; Hawash, Mohammed…[et al.]. Journal of Chemistry. No. 2020 (2020), pp.1-14, 14 p.
مقالات
Screening Level of Gross Alpha and Beta Activities in Building Materials
By: Jemii, Elassaad; Habib, Muhammad J.. Journal of Chemistry. No. 2020 (2020), pp.1-4, 4 p.
مقالات
Using Modified Fly Ash for Removal of Heavy Metal Ions from Aqueous Solution
By: Nguyen, Thuy-Chinh; Thai, Hoang; Maneiro, Marcelino…[et al.]. Journal of Chemistry. No. 2020 (2020), pp.1-11, 11 p.
مقالات
Application of Ultraviolet Radiation to Control the Calcium Carbonate Scale Formation and Deposition on the Membranes
By: Basheer, Chanbasha; El Deen, Mokhtar Noor; Feng, Fada…[et al.]. Journal of Chemistry. No. 2020 (2020), pp.1-8, 8 p.
مقالات
Microbiological, Biochemical, and Functional Aspects of Fermented Vegetable and Fruit Beverages
By: M’Hir, Sana; Roussis, Ioannis G.; Hamdi, Mokhtar…[et al.]. Journal of Chemistry. No. 2020 (2020), pp.1-12, 12 p.
مقالات
Assessment of Major and Trace Elements in Drinking Groundwater in Bisha Area, Saudi Arabia
By: Alqahtani, Faleh Z.; Plá, Rita Rosa; Brima, Eid I.…[et al.]. Journal of Chemistry. No. 2020 (2020), pp.1-10, 10 p.
مقالات
Phenomena of Removal of Crystal Violet from Wastewater Using Khulays Natural Bentonite
By: Al-Shahrani, Saad; Morillo Aguado, José. Journal of Chemistry. No. 2020 (2020), pp.1-8, 8 p.
مقالات
Synthesis, Adsorption, and Recognition Properties of a Solid Symmetric Tetramethylcucurbit[6]uril-Based Porous Supramolecular Framework
By: Tian, Fei-Yang; Cheng, Rui-Xue; Ebata, T.…[et al.]. Journal of Chemistry. No. 2020 (2020), pp.1-10, 10 p.
مقالات
Evaluation of Groundwater Quality for Suitability of Irrigation Purposes: A Case Study in the Udham Singh Nagar, Uttarakhand
By: Singh, Kshitindra Kr.; Tewari, Geeta; Mancini, Pedro M.…[et al.]. Journal of Chemistry. No. 2020 (2020), pp.1-15, 15 p.
مقالات
Hierarchization of Physicochemical Factors during Simultaneous Removal of Lead and Copper from the Marrakech Municipal Discharge Soils
By: Koumya, Y.; Cameselle, Claudio; Khadiri, M.…[et al.]. Journal of Chemistry. No. 2020 (2020), pp.1-10, 10 p.
مقالات
Campus Sewage Treatment by Golenkinia SDEC-16 and Biofuel Production under Monochromic Light
By: Nie, Changliang; Jiang, Liqun; Yu, Lisa…[et al.]. Journal of Chemistry. No. 2020 (2020), pp.1-9, 9 p.
مقالات
Distributions and Sources of Sedimentary Sterols as well as Their Indications of Sewage Contamination in the Guanting Reservoir, Beijing
By: Wen, Xin; An, Chunjiang; Li, Jian…[et al.]. Journal of Chemistry. No. 2020 (2020), pp.1-11, 11 p.
مقالات
Quantification of the Nucleophilicities of 3-X-Thiophenes: Highlighting the Hyperortho Correlation
By: Gabsi, W.; Boubaker, T.; Kokalj, Anton…[et al.]. Journal of Chemistry. No. 2020 (2020), pp.1-9, 9 p.
مقالات
Synthesis of Mixed Ligand Ruthenium (IIIII) Complexes and Their Antibacterial Evaluation on Drug-Resistant Bacterial Organisms
By: Matshwele, James T. P.; Odisitse, Sebusi; Maneiro, Marcelino…[et al.]. Journal of Chemistry. No. 2020 (2020), pp.1-10, 10 p.
مقالات
Evaluation of Nematocidal Action against Caenorhabditis elegans of Essential Oil of Flesh Fingered Citron and Its Mechanism
By: Piao, Xixi; Sun, Min; Haroutounian, Serkos A.…[et al.]. Journal of Chemistry. No. 2020 (2020), pp.1-9, 9 p.
مقالات
Fatty Acid Composition, Phospholipid Molecules, and Bioactivities of Lipids of the Mud Crab Scylla paramamosain
By: Nguyen, Thi Phuong Lan; Nguyen Quang, Trung; Caulfield, Thomas R.…[et al.]. Journal of Chemistry. No. 2020 (2020), pp.1-9, 9 p.
مقالات
Synthesis and Characterization of Mesoporous Silica SBA-15 and ZnOSBA-15 Photocatalytic Materials from the Ash of Brickyards
By: Khanh Nguyen, Quach Nguyen; Yen, Nguyen Thi; Tran, Hoai-Lam…[et al.]. Journal of Chemistry. No. 2020 (2020), pp.1-8, 8 p.
مقالات
Indole-3-carbaldehyde Semicarbazone Derivatives: Synthesis, Characterization, and Antibacterial Activities
By: Hernández, Wilfredo; Spodine, Evgenia; Navarrete-Vázquez, Gabriel…[et al.]. Journal of Chemistry. No. 2020 (2020), pp.1-9, 9 p.
مقالات
Effect of Natural Fermentation of Sorghum on Resistant Starch Molecular Structure and Fermentation Property
By: Shen, Meng; Kang, Ziyue; Singh, Ajaya Kumar…[et al.]. Journal of Chemistry. No. 2020 (2020), pp.1-11, 11 p.
مقالات
Preparation and Photocatalytic Properties of N-Doped GrapheneTiO2 Composites
By: Liu, Jing; Chen, Kun-Yu; Habib, Muhammad J.…[et al.]. Journal of Chemistry. No. 2020 (2020), pp.1-10, 10 p.
مقالات
Reverse Zagreb and Reverse Hyper-Zagreb Indices for Crystallographic Structure of Molecules
By: Wang, Zhen; Chaudhry, Faryal; Liu, Jia-Bao…[et al.]. Journal of Chemistry. No. 2020 (2020), pp.1-12, 12 p.
مقالات
Phenolic Profile, Antioxidant Activity, and Enzyme Inhibitory Properties of Limonium delicatulum (Girard) Kuntze and Limonium quesadense Erben
By: Zengin, Gokhan; Robalo, M. Paula; Llorent-Martínez, Eulogio J.…[et al.]. Journal of Chemistry. No. 2020 (2020), pp.1-10, 10 p.
مقالات
Heat Capacities and Thermodynamic Properties of Pinnoite and Inderite
By: Guo, Yafei; Deng, Tianlong; Memon, Saima Q.…[et al.]. Journal of Chemistry. No. 2020 (2020), pp.1-8, 8 p.
مقالات
Preparation and Performance Evaluation of Polymeric Microspheres Used for Profile Control of Low-Permeability Reservoirs
By: Zhao, Fajun; Zhang, Hongbao; Gu, Tingyue…[et al.]. Journal of Chemistry. No. 2020 (2020), pp.1-11, 11 p.
مقالات
Biginelli Synthesis of Novel Dihydropyrimidinone Derivatives Containing Phthalimide Moiety
By: Bhat, Mashooq A.; al-Omar, Mohamed A.; Naglah, Ahmed M.…[et al.]. Journal of Chemistry. No. 2020 (2020), pp.1-5, 5 p.
مقالات
Removal of Cd(II) and Cu(II) from Aqueous Solution by Na+-Modified Pisha Sandstone
By: Wang, Xia; Cui, Yongxing; Moldes, Ana…[et al.]. Journal of Chemistry. No. 2020 (2020), pp.1-13, 13 p.
مقالات
Ranking Ecological Risk of Metals to Freshwater Organisms in Lake Taihu, China
By: Wang, Qi; Xiao, Yihua; Chang, Hong…[et al.]. Journal of Chemistry. No. 2020 (2020), pp.1-6, 6 p.
مقالات
Aerobic Biodegradation of Four Groups of Steroid Hormones in Activated Sludge
By: Zhang, Jiaxin; Luo, Jun; Xiao, Yihua…[et al.]. Journal of Chemistry. No. 2020 (2020), pp.1-8, 8 p.
مقالات
Research on Noise Reduction Scheme of Heat Pump Unit in a Square
By: Zhang, Xueyong; Hu, Yuanyuan; Wang, Shaohui…[et al.]. Journal of Chemistry. No. 2020 (2020), pp.1-6, 6 p.
مقالات
Bioreactor Scale-Up and Kinetic Modeling of Lactic Acid and Biomass Production by Enterococcus faecalis SLT13 during Batch Culture on Hydrolyzed Cheese Whey
By: Ziadi, Manel; M’Hir, Sana; Hamdi, Mokhtar…[et al.]. Journal of Chemistry. No. 2020 (2020), pp.1-9, 9 p.
«
1
2
3
4
5
6
7
8
9
»