1. Manufacturing process design of high-pressure graphite-blasting for mechanical production of turbostratic graphene

   • Kamilia Aokal
   • Abdul Hai Alami
   • Mohammad Ali Abdelkareem

   Research Article Open access 31 March 2021 Article: 519

   

2. Fertilizers and nitrate pollution of surface and ground water: an increasingly pervasive global problem

   • Bijay-Singh
   • Eric Craswell

   Review Paper Open access 31 March 2021 Article: 518

   

3. The anti-diabetic activities of natural sweetener plant Stevia: an updated review

   • Sohail Ahmad Jan
   • Neeli Habib
   • Nasir Ali

   Review Paper Open access 31 March 2021 Article: 517

   

4. Fog harvesting: combination and comparison of different methods to maximize the collection efficiency

   • Seyyedmajid Sharifvaghefi
   • Hanif Kazerooni

   Research Article Open access 31 March 2021 Article: 516

   

5. Performance of rainfall–runoff models in reproducing hydrological extremes: a case of the River Malaba sub-catchment

   • Ambrose Mubialiwo
   • Adane Abebe
   • Charles Onyutha

   Research Article Open access 31 March 2021 Article: 515

   

6. Optimization of dynamic maceration of Clausena anisata (Willd.) Hook. f. ex Benth. leaves to maximize trans-anethole content

   • Jirapornchai Suksaeree
   • Natawat Chankana
   • Chaowalit Monton

   Research Article Open access 31 March 2021 Article: 514

   

7. Effect of eccentricity and inner pipe motion on flow instability for flow through annulus

   • Satish Kumar Dewangan

   Research Article Open access 29 March 2021 Article: 513

   

8. Two novel protocols for optimizing energy consumption in heterogeneous wireless sensor networks using fuzzy logic for monitoring, diagnosis and target tracking

   • Kambiz Koosheshi

   Research Article Open access 29 March 2021 Article: 512

   

9. Workspace analysis of 3-DOF U-shape base planar parallel robotic motion stage using shape memory alloy restoration technique (SMART) linear actuators

   • Deep Singh
   • Rutupurna Choudhury
   • Manidipto Mukherjee

   Research Article Open access 29 March 2021 Article: 511

   

10. One step sonochemical synthesis of single phase Sr-doped ZnO₂ nanorods

    • Deepesh Bhardwaj
    • Dixit Prasher
    • Radha Tomar

    Research Article Open access 29 March 2021 Article: 510

    

11. Comparative seasonal assessment of pollution and health risks associated with heavy metals in water, sediment and Fish of Buriganga and Turag River in Dhaka City, Bangladesh

    • M. N. Hossain
    • Ashiqur Rahaman
    • Sayed Md. Shamsuddin

    Research Article Open access 29 March 2021 Article: 509

    

12. Mathematical study on two-fluid model for flow of K–L fluid in a stenosed artery with porous wall

    • R. Ponalagusamy
    • Ramakrishna Manchi

    Research Article Open access 29 March 2021 Article: 508

    

13. A fresh look: technical analysis and treatment of Picasso's Science and Charity at the Museu Picasso

    • Reyes Jiménez

    Case Study Open access 26 March 2021 Article: 507

    

14. Potential antifungal effects of silver nanoparticles (AgNPs) of different sizes against phytopathogenic Fusarium oxysporum f. sp. radicis-lycopersici (FORL) strains

    • Ilgin Akpinar
    • Muammer Unal
    • Taner Sar

    Research Article Open access 26 March 2021 Article: 506

    

15. Simultaneous phycoremediation of petrochemical wastewater and lipid production by Chlorella vulgaris

    • Rozita Madadi
    • Mohammad Ali Zahed
    • Mohammad Reza Naghavi

    Research Article Open access 26 March 2021 Article: 505

    

16. Investigation of non-Pb all-perovskite 4-T mechanically stacked and 2-T monolithic tandem solar devices utilizing SCAPS simulation

    • Md. Tohidul Islam
    • Md. Rafsun Jani
    • Saquib Ahmed

    Research Article Open access 25 March 2021 Article: 504

    

17. Classification of lymphocytes, monocytes, eosinophils, and neutrophils on white blood cells using hybrid Alexnet-GoogleNet-SVM

    • Ahmet Çınar
    • Seda Arslan Tuncer

    Research Article Open access 25 March 2021 Article: 503

    

18. Effectiveness of bagasse ash for performance improvement of asphalt concrete pavements

    • Asad Zia
    • Ayaz Ahmad Khan

    Research Article Open access 25 March 2021 Article: 502

    

19. Evaluation of the status of land use/land cover change using remote sensing and GIS in Jewha Watershed, Northeastern Ethiopia

    • Dereje Gebrie Habte
    • Satishkumar Belliethathan
    • Tenalem Ayenew

    Research Article Open access 24 March 2021 Article: 501

    

20. Spectroscopic ellipsometry investigation to study the microstructure evolution in boron-doped amorphous silicon films as a result of hydrogen dilution

    • Venkanna Kanneboina
    • Pratima Agarwal

    Research Article Open access 24 March 2021 Article: 500

    

21. Statistical methods for the analysis of thermal images obtained from corn seeds

    • José Ernesto Rojas-Lima
    • Arturo Domínguez-Pacheco
    • Alfredo Cruz-Orea

    Research Article Open access 24 March 2021 Article: 499

    

22. ID-based key-insulated signcryption with equality test in cloud computing

    • Seth Alornyo
    • Kingsford Kissi Mireku
    • Michael Asante

    Research Article Open access 24 March 2021 Article: 498

    

23. Predicting the effect of the rib pitch on thermal performance factor of small channels plate heat exchangers fitted with Y and C shapes obstacles

    • Sirine Chtourou
    • Hassene Djemel
    • Mounir Baccar

    Research Article Open access 24 March 2021 Article: 497

    

24. Application of Mussell-derived biosorbent to remove NH₄⁺ from aqueous solution: Equilibrium and Kinetics

    • Van Quang Nguyen
    • Huu Tap Van
    • Dac Kien Nguyen

    Research Article Open access 24 March 2021 Article: 496

    

25. Effect of chemical and sanitary intervention on rat sightings in urban communities of New Providence, the Bahamas

    • Adedayo M. Awoniyi
    • Andrew Thompson
    • Federico Costa

    Short Communication Open access 24 March 2021 Article: 495

    

26. Geophilosophical realness of risk: a case study in national housing authority resettlement sites in Albay, Philippines

    • Ana Marie R. Abante

    Research Article Open access 24 March 2021 Article: 494

    

27. Design of FOPID controller for higher order continuous interval system using improved approximation ensuring stability

    • P. D. Dewangan
    • V. P. Singh
    • S. L. Sinha

    Research Article Open access 23 March 2021 Article: 493

    

28. A CFD study on hydrocarbon mean residence time in a horizontal oil–water separator

    • Tathagata Acharya
    • Terry Potter

    Research Article Open access 23 March 2021 Article: 492

    

29. Synthesis and characterization of different binary and ternary phase mixtures of mesoporous nanocrystalline titanium dioxide

    • N. I. Ermokhina
    • V. V. Shvalagin
    • A. M. Puziy

    Research Article Open access 22 March 2021 Article: 491

    

30. Enhancement of machinability of titanium alloy in the Eductor based PMEDM process

    • S. Jeavudeen
    • H. Siddhi Jailani
    • M. Murugan

    Research Article Open access 22 March 2021 Article: 490

    

31. Numerical simulation and experimental study of blade pitch effect on Darrieus straight-bladed wind turbine with high solidity

    • Milad Babadi Soultanzadeh
    • Alireza Moradi

    Research Article Open access 22 March 2021 Article: 489

    

32. Optimization studies on turbidity removal from cosmetics wastewater using aluminum sulfate and blends of fishbone

    • Prosper E. Ovuoraye
    • Victor I. Ugonabo
    • Gina F. Nwokocha

    Research Article Open access 22 March 2021 Article: 488

    

33. Design of power-efficient CMOS based oscillator circuit with varactor tuning control

    • Dileep Dwivedi
    • Manoj Kumar
    • Vandana Niranjan

    Research Article Open access 20 March 2021 Article: 487

    

34. Design and performance evaluation of Improved DFACO protocol based on dynamic clustering in VANETs

    • Sahar Ebadinezhad

    Research Article Open access 20 March 2021 Article: 486

    

35. Antioxidative study of polysaccharides extracted from red (Kappaphycus alvarezii), green (Kappaphycus striatus) and brown (Padina gymnospora) marine macroalgae/seaweed

    • Prakash Bhuyar
    • Sathyavathi Sundararaju
    • Natanamurugaraj Govindan

    Short Communication Open access 20 March 2021 Article: 485

    

36. Thermal expansion and structural properties of some (PbO)_x(ZnO)_35−x(TeO₂)₆₅ glasses

    • Jiri Schwarz
    • Helena Ticha

    Research Article Open access 20 March 2021 Article: 484

    

37. Metallic oxide–graphene composites as a catalyst for gas-phase oxidation of benzyl alcohol to benzaldehyde

    • Ruibing Li
    • Wenjun Cheng
    • Shuangming Li

    Research Article Open access 20 March 2021 Article: 483

    

38. Adjustment of glacier geometries to future equilibrium line altitudes in the Shigar River Basin of Karakoram Range, Pakistan

    • Siddique Ullah Baig
    • Fakhra Muneeb

    Case Study Open access 20 March 2021 Article: 482

    

39. Generalized linear models for analyzing count data of rainfall occurrences

    • Sharmin Nahar Sumi
    • Narayan Chandra Sinha
    • M. Ataharul Islam

    Research Article Open access 20 March 2021 Article: 481

40. Recent developments in terrain identification, classification, parameter estimation for the navigation of autonomous robots

    • M. G. Harinarayanan Nampoothiri
    • B Vinayakumar
    • Rahul Antony

    Review Paper Open access 20 March 2021 Article: 480

    

41. Conversion of geared DC motor into stepper motor using switching delay time signals

    • Venkatarao Dadi
    • Swapna Peravali
    • Rambabu Busi

    Research Article Open access 20 March 2021 Article: 479

    

42. Smart damping of skew composite plates using Murakami zig-zag function

    • N. Mehadi Khan
    • R. Suresh Kumar

    Research Article Open access 20 March 2021 Article: 478

    

43. Designing a long short-term network for short-term forecasting of global horizontal irradiance

    • Sourav Malakar
    • Saptarsi Goswami
    • A. G. Rangaraj

    Research Article Open access 20 March 2021 Article: 477

    

44. Characterization and efficient dye discoloration of Algerian diatomite from Ouled Djilali-Mostaganem

    • Amal Touina
    • Safia Chernai
    • Boualem Hamdi

    Research Article Open access 20 March 2021 Article: 476

    

45. Optimization of a load control system algorithm for electrically propelled ships using data mining

    • Jong-Hak Lee
    • Hun-Seok Lee
    • Jin-Seok Oh

    Research Article Open access 20 March 2021 Article: 475

    

46. QRAS: efficient resource allocation for task scheduling in cloud computing

    • Harvinder Singh
    • Anshu Bhasin
    • Parag Ravikant Kaveri

    Research Article Open access 19 March 2021 Article: 474

    

47. Correction to: The utilization of bentonite enhanced termite mound soil mixture as filter for the treatment of paint industrial effluent

    • Omobolaji Taofeek Opafola
    • Adekunle Olorunlowo David
    • Babashola Dapo Odugbose

    Correction Open access 19 March 2021 Article: 473

48. Design of a mono-disperse aerosol generator for efficiency testing of HEPA filter

    • Guoxiu Qin
    • Liangliang Pan
    • Yi Liang

    Research Article Open access 19 March 2021 Article: 472

    

49. Jet A and Propane gas combustion in a turboshaft engine: performance and emissions reductions

    • Ali Hasan
    • Oskar J. Haidn

    Research Article Open access 19 March 2021 Article: 471

    

50. Characteristical analysis of MHD heat and mass transfer dissipative and radiating fluid flow with magnetic field induction and suction

    • Saykat Poddar
    • Muhammad Minarul Islam
    • Md. Mahmud Alam

    Research Article Open access 18 March 2021 Article: 470