1. <a href="./Journals/Article/WJST/10958508.pdf" target="_blank">Effective efficiency of solar air heaters of different types of roughness geometries over absorber plate</a><br>Maneesh Kaushal, Varun Goel <br><hr>2. <a href="./Journals/Article/WJST/10958509.pdf" target="_blank">Gamma-ray measurements of naturally occurring radioactive materials in sludge, scale and well cores of the oil industry in southern iraq</a><br>Abdul Ridha Hussain Subber, Master Abdul Ali, Walead Hamid Almosawy<br><hr>3. <a href="./Journals/Article/WJST/10958510.pdf" target="_blank">A study of the effect of etching time on the optical properties of irradiated cr-39 polymer</a><br>Moustfa Fawzy Eissa <br><hr>4. <a href="./Journals/Article/WJST/10958511.pdf" target="_blank">Study of cerium doped polyaniline composites for resistive type co2 gas detection</a><br>Kailash Nemade, Sandeep Waguley <br><hr>5. <a href="./Journals/Article/WJST/10958512.pdf" target="_blank">Synthesis and optical properties of a biphenyl compound</a><br>Mahmoud Hussain, Ghufran Mohammad Shabeeb <br><hr>6. <a href="./Journals/Article/WJST/10958513.pdf" target="_blank">Study on physical properties of inx se1-x thin films synthesized by vacuum evaporation method</a><br>Mahdi Hasan Sujail, Issam Mohammed Ibrahim, Asmiet Ramizy <br><hr>7. <a href="./Journals/Article/WJST/10958514.pdf" target="_blank">Undoped and metal doped zns nanoparticles by precipitation method</a><br>Kumaravel Prabhu, Selvaraj Kannan, Johnson Henry, Ganesan Sivakumar, Kannusamy Mohanraj<br><hr>8. <a href="./Journals/Article/WJST/10958515.pdf" target="_blank">Bactericidal action of e. coli mediated nanoparticle coated medical dressings</a><br>Akhilesh Upgade, Prabhu Nagarajan <br><hr>9. <a href="./Journals/Article/WJST/10958516.pdf" target="_blank">Bioleaching of some rare earth elements from egyptian monazite using aspergillus ficuum and pseudomonas aeruginosa</a><br>Wesam Abdel Ghany Hassanien, Osman Abdel Naby Desouky, Shimaa Salah Eldien Hussien <br><hr>