Natural Sciences

20 Items

All Items

Synthesis and Spectroscopic methods on the complexation ofCoII, NiII and CuII

Yasmin M.S Jamil

Abstract views: 156
Antioxidant activity, total phenol contents, and antimacrobial activity of two Yemeni medicinal plants belongs to Euphorbiaceae family(Jatropha curcas and Euphorbia Cactus Ehrenb

Faten Hameed Thamer

Abstract views: 243
Basin analysis study of block 53 in the Masilla Basin, Yemen, using a 1D-backstripping method

Adel Mohammad Al-Matary, Etimad Nasser Al-Tairi

65 - 82

Abstract views: 144
The Biological Production of Titanium Dioxide Nanoparticles by a Combination Culture of Lactobacillus sp. and Bacillus sp. and Assessment of their Bioactivity

Morad G. S. S. Al-asbahi, Bashir A. Al-Ofiri, Fuad A. A. Saad, Adnan Alnehia, Murad Q. A. Al-Gunaid

223-231

Abstract views: 133
Development and validation of a new spectrophotometric method for simultaneous determination of spiramycin and metronidazole in tablet pharmaceutical dosage forms using chemometrics technique in comparison with HPLC

Maher almaqtari, Najat Al-Odaini, Fares Alarbagi, Bushra Alattab, Hussein Al-Maydama

Abstract views: 326
Evaluation of Medical Waste Generated from Government Hospitals and Healthcare Centers in the City of Hodeidah, Yemen

Mohammed Y. Talhi, Hisham Mohamed Nagi

355-362

Abstract views: 193
Evaluation of Some Growth Parameters of Millet (Pennisetum glaucum (L.) R. Br.) Landraces Cultivated in Al-Mawaset District, Taiz Governorate, Yemen

Alhadi, F. A, Ibrahim, H.M, Alkadasy, A. K

Abstract views: 116
Fabrication and Study of the Effect of Mn-Substituted Ba-Zn Nanoferrites on the Enrichment of Structural Properties

Azmi A. M. Othman, A.H. Al-Hammadi, Sadiq. H. Khoreem

Abstract views: 175
Geochemistry and petrogenesis of some gabbroic intrusions invaded the basement rocks from Al-Maqatirah and Al-Ahkum areas, SE Taiz, Republic of Yemen

Mukhtar A. Nasher, Hussein A. Sultan

557-576

Abstract views: 117
Green and Chemically Prepared Zinc Sulfide Nanoparticles: A Comparative Study

A.H. Al-Hammadi, Annas Al-Sharabi, Adnan Alnehia

Abstract views: 295
Impact of wastewaters on groundwater quality of Bani Al-Hareth and Arhab areas in northern Sana’a city, Yemen

Bassim Al-Khirbash, Saif Al-hakimi, Hani Al-Aswadi

16 - 29

Abstract views: 224
Mechanical Properties of the (81Sn–xCu–(19-x) In) % Alloys with x=1, 2, 3, 4, and 5

A.H. Al-Hammadi, Ibrahim G. H Loqman , R.M.H. AL-Hdhrami

Abstract views: 198
Modulated ion-acoustic wavepackets in a multi-component dense plasma with Thomas-Fermi distribution

Mahmood Ahmed Hassan Khaled, Mohmed Ali Shukri, Rowaida Abdullah Abdo Hassan Fare'e

Abstract views: 144
Optimizing Irrigation Scheduling for Tomato Cultivation CROPWAT 8 Case Study from lower Wadi Bana, Abyan Delta, Yemen

Hafidah Ahmed AlMatary, Khaled Mohammed Khanbari, Adel Mohammad Al-Matary

538-545

Abstract views: 149
Quantum Effects on Cylindrical Dust-ion Acoustic Waves in a Semiclassical Dense Dusty Plasma

Ibrahim G. H Loqman, Mahmood Ahmed Hassan Khaled, Khauther Alkuhlani

Abstract views: 165
Recent Foraminiferal genus Quinqueloculina from Socotra Island and Hadhramout coastlines, Yemen

Mohammed Al-Wosabi, Wafa’a M. Al-Qadassi

309-326

Abstract views: 185
Structural Interpretation of the Aeromagnetic Data Anomalies on the Eastern Part of Sana’a Basin, Yemen

Ahmed A. Alaydrus, Mohammed A. Mokaber, Manal A. Al-Sharai, Riyadh G. Al-Dheeb, Osamah A. Al-Rool

546-556

Abstract views: 197
Structural,Spectral and Electrical Properties of BaNi2-xZnxFe16O27 Nanoparticles Ferrites

Sadiq. H. Khoreem, A. H. AL-Hammadi

Abstract views: 223
The Effect of Tartaric Acid Concentration on the Structural, Morphological and Optical Properties of CuO-Fe2O3-MgO Nanocomposite

Hisham Alnahari, A.H. Al-Hammadi, Annas Al-Sharabi, Adnan Alnehia

Abstract views: 300
اختيار أولي لمواقع سدود باستخدام الاستشعار عن بُعد، نُظم المعلومات الجغرافية وعملية التحليل الهرمي في مديرية الحصين، محافظة الضالع، اليمن

Ibrahim Al-Akhaly, Badran

175-196

Abstract views: 267