1.

Using of 4-Chlororesorcinol as a Coupling Agent in Spectrophotometric Determination of Benzocaine

Pages 1-11
Mohammed M. Mohammed; Nabeel S. Othman; Faiz M. Al-Abady

2.

Size Dependent Thermo Elastic Properties of Nano Lead Sulfide (PbS) under High Pressure

Pages 12-20
Madlool M. Tbeen; Adnan M. Al sheikh

3.

A Brief Review of Novel Coronavirus

Pages 21-29
Khansaa Mohammed Younis; Shaima Gamal

4.

The Allelopathic in the Diatoms

Pages 30-38
Huda Abdullah Ali; Mustafa Nuhad Al-Darraji; Shaimaa Fatih Ali

5.

Effect of Different Concentrations of Silver Nitrate AgNO3 on Leucaena leucocephala Seeds Germination and Seedling Growth in MS Culture Media and Callus Induction

Pages 1-15
Rasha Mohammad Hamza; Azhaar Hussaien Ali

6.

Detection of AmpC Enzyme in Gram Negative Bacteria by Phenotypic and Molecular Methods

Pages 16-26
Adeeba Younis Shareef; Sahar Lukman Saleem

7.

Assessment of the Water Qualitative Characteristics of the Tigris River Passing Through the City of Mosul and Calculating the Water Quality Index Coefficient

Pages 27-37
Hiba Fares shihab; Abdalrahman M.A. Kannah

8.

Generalization of the Quark-Like Model (QLM) to Obtain at a Modern Formula for the Positive Beta Decay Energy for the Range of Nuclei

Pages 38-51
Raghda Tareq Abdullateef; Firas Mohammed Ali Al-jomaily

9.

Mycorrhizae Fungi

Pages 52-64
هبة هادی


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