1. A proposed method of sample preparation and homogenization of hemp for the molecular analysis of cannabinoids

   • Zachary P. Morehouse
   • Gabriella L. Ryan
   • Rodney J. Nash

   Research Article Open access 31 July 2021 Article: 762

   

2. Unsteady pressure measurement and numerical simulations in an end-wall region of a linear blade cascade

   • Erik Flídr
   • Petr Straka
   • Tomáš Jelínek

   Research Article Open access 31 July 2021 Article: 761

   

3. AHWR-Net: offline handwritten amharic word recognition using convolutional recurrent neural network

   • Fetulhak Abdurahman
   • Eyob Sisay
   • Kinde Anlay Fante

   Research Article Open access 30 July 2021 Article: 760

   

4. Enhancement of combustion characteristics of VCR diesel engine by optimizing engine parameters

   • Prabhakara Rao Ganji
   • Rajesh Khana Raju Vysyaraju
   • B. Karuna Kumar

   Research Article Open access 30 July 2021 Article: 759

   

5. Piezoelectric relaxation of two-dimentional electron gas in InGaN/GaN heterostructures with quantum wells

   • Evgeny R. Burmistrov
   • Lev P. Avakyants
   • Marina M. Afanasova

   Research Article Open access 30 July 2021 Article: 758

   

6. Historic low stand of Great Salt Lake, Utah: I

   • Paul W. Jewell

   Research Article Open access 28 July 2021 Article: 757

   

7. Correction to: Swelling performance of sodium polyacrylate and poly(acrylamide‑co‑acrylic acid) potassium salt

   • Ruissein Mahon
   • Yakubu Balogun
   • James Njuguna

   Correction Open access 28 July 2021 Article: 756

8. Characterization of bacteriocin and chitinase producing bacterial isolates with broad-spectrum antimicrobial activities

   • Muhammad Yasir
   • Basit Zeshan
   • Hafza Khalid

   Research Article Open access 28 July 2021 Article: 755

   

9. Characteristics and control measures of odor emissions from crematoriums in Beijing, China

   • Yangyang Cui
   • Xiaoman Zhai
   • Yifeng Xue

   Research Article Open access 26 July 2021 Article: 754

   

10. Modeling and forecasting of rainfall reoccurrence changes using Markov Switching in Iran

    • Majid Javari

    Research Article Open access 26 July 2021 Article: 753

    

11. Motion analysis method of multibody system with contact and plastic deformation using linear complementarity problem

    • Shun Yamaguchi
    • Yoshiki Sugawara
    • Masakazu Takeda

    Research Article Open access 26 July 2021 Article: 752

    

12. Production of ceramic construction materials as an environmental management solution for sulfidic mine tailings

    • H. Paiva
    • F. Simões
    • V. M. Ferreira

    Research Article Open access 24 July 2021 Article: 751

    

13. Eichhornia crassipes (Mart.) Solms (natural or carbonized) as biosorbent to remove pollutants in water

    • Herbert de P. Lima
    • Yvan J. O. Asencios

    Review Paper Open access 23 July 2021 Article: 750

    

14. Investigating feasibility of interlayers in Resistance Spot Welding of low-carbon steel sheets

    • Vishesh Dharaiya
    • Avinash Panchal
    • G. D. Acharya

    Research Article Open access 23 July 2021 Article: 749

    

15. Research on the impact of ship traffic flow on the restricted channel segment of the middle Yangtze River based on traffic wave theory

    • Ting Liu
    • Gabriel Lodewijks

    Research Article Open access 22 July 2021 Article: 748

    

16. Semiarid bunchgrasses accumulate molybdenum on alkaline copper mine tailings: assessing phytostabilization in the greenhouse

    • Paul M. Antonelli
    • Matthew G. Coghill
    • Lauchlan H. Fraser

    Research Article Open access 21 July 2021 Article: 747

    

17. Correction to: Efficacy evaluation of neurofeedback applied for treatment of central neuropathic pain using machine learning

    • Mohammed Gamil Mohammed Saif
    • Muhammad Abul Hasan
    • Saad Ahmed Qazi

    Correction Open access 21 July 2021 Article: 746

18. Optimal preliminary design of variable section beams criterion

    • Raffaele Cucuzza
    • Marco Martino Rosso
    • Giuseppe Carlo Marano

    Research Article Open access 21 July 2021 Article: 745

    

19. Effect of permanent magnet material on failure-pressure of magnetic fluid seal

    • Tong Zhang
    • De-Cai Li
    • Yan-Wen Li

    Research Article Open access 20 July 2021 Article: 744

    

20. A thousand brains: toward biologically constrained AI

    • Kjell Jørgen Hole
    • Subutai Ahmad

    Review Paper Open access 20 July 2021 Article: 743

    

21. Impact of land use and land cover change on the magnitude of surface runoff in the endorheic Hayk Lake basin, Ethiopia

    • Mezgebu Mewded
    • Adane Abebe
    • Zeleke Agide

    Research Article Open access 19 July 2021 Article: 742

    

22. Comparative spatial–temporal analysis and predictive modeling of climate change-induced malaria vectors’ invasion in new hotspots in Kenya

    • J. S. Kimuyu

    Research Article Open access 17 July 2021 Article: 741

    

23. DNA structural and physical properties reveal peculiarities in promoter sequences of the bacterium Escherichia coli K-12

    • Gustavo Sganzerla Martinez
    • Scheila de Ávila e Silva
    • Ernesto Pérez-Rueda

    Research Article Open access 17 July 2021 Article: 740

    

24. Performance assessment and optimization of a helical Savonius wind turbine by modifying the Bach’s section

    • M. Niyat Zadeh
    • M. Pourfallah
    • A. Taheri Ahangar

    Research Article Open access 14 July 2021 Article: 739

    

25. Study on the cardboard behavior during the vacuum picking process in automatic pantyhose packaging machine

    • Shiqing Wu
    • Peixing Li

    Research Article Open access 14 July 2021 Article: 738

    

26. Correction to: A new computational algorithm for the interaction between electrically charged particles

    • Claus Bissinger
    • Holger Grosshans

    Correction Open access 14 July 2021 Article: 737

27. Parametric optimization of a stamped longitudinal vortex generator inside a circular tube of a solar water heater at low Reynolds numbers

    • Felipe A. S. Silva
    • Luis Júnior
    • Leandro Salviano

    Research Article Open access 13 July 2021 Article: 736

    

28. Modeling and response analysis of the attitude angles of roadheader for steep coal seam

    • Kai Zong
    • Shichen Fu
    • Miao Wu

    Research Article Open access 12 July 2021 Article: 735

    

29. Health and safety control measures and MR quality control results in the MRI units of two public hospitals within the Mangaung metropolitan

    • Phoka C. Rathebe

    Research Article Open access 10 July 2021 Article: 734

    

30. Synthesis and characterizations of (Mg, Co, Ni, Cu, Zn)O high-entropy oxides

    • Temesgen Debelo Desissa
    • Matusal Meja
    • Tadele Hunde

    Research Article Open access 09 July 2021 Article: 733

    

31. Optimal design of an off-grid hybrid renewable energy system considering generation and load uncertainty: the case of Zanjan city, Iran

    • Sasan Moghaddam
    • Mehdi Bigdeli
    • Majid Moradlou

    Research Article Open access 09 July 2021 Article: 732

    

32. Blast mitigation by perforated plates using an explosive driven shock tube: study of geometry effects and plate numbers

    • T. Schunck
    • D. Eckenfels

    Research Article Open access 07 July 2021 Article: 731

    

33. Indus river estuary: an assessment of potential risk of contaminants and ecosystem susceptibility

    • Mushaiyada Mairaj
    • Sher Khan Panhwar
    • Shahnaz Rashid

    Research Article Open access 06 July 2021 Article: 730

    

34. Anti sway tuned control of gantry cranes

    • Vladimir A. Suvorov
    • Mohammad Reza Bahrami
    • Sergey A. Kan

    Research Article Open access 06 July 2021 Article: 729

    

35. Assessment of spatio-temporal variability of rainfall and mean air temperature over Ardabil province, Iran

    • Mohammad Ali Ghorbani
    • Saba Mahmoud Alilou
    • Sujay Raghavendra Naganna

    Research Article Open access 06 July 2021 Article: 728

    

36. Evaluating the impacts of major cyclonic catastrophes in coastal Bangladesh using geospatial techniques

    • Mashoukur Rahaman
    • Md. Esraz-Ul-Zannat

    Research Article Open access 03 July 2021 Article: 727

    

37. Optimal design of high efficiency double helical gear based on dynamics model

    • Fengxia Lu
    • Xuechen Cao
    • Weiping Liu

    Research Article Open access 03 July 2021 Article: 726

    

38. Finite element implementation and application of a sand model in micropolar theory

    • Jiangxin Liu
    • Zhen-Yu Yin
    • Pierre-Yves Hicher

    Research Article Open access 02 July 2021 Article: 725

    

39. Optimizing anaerobic co-digestion of goat manure and cotton gin trash using biochemical methane potential (BMP) test and mathematical modeling

    • Harjinder Kaur
    • Raghava R. Kommalapati

    Research Article Open access 02 July 2021 Article: 724

    

40. Effect of installation angle on pull-out resistance of nails in soil slopes

    • Navid Najafi
    • Rouzbeh Imani Kalehsar
    • Kasra Karroubi

    Research Article Open access 02 July 2021 Article: 723

    

41. Numerical study of the effects of geometric parameters and nanofluid properties on heat transfer and pressure drop in helical tubes

    • Reza Faridi-khouzestani
    • Ashkan Ghafouri
    • Mahmood Halalizade

    Research Article Open access 02 July 2021 Article: 722

    

42. Security assessment for routing-based synthesis on cyberphysical MEDA-based digital microfluidic biochip

    • Chandan Das
    • Samya Muhuri
    • Susanta Chakraborty

    Research Article Open access 02 July 2021 Article: 721

    

43. Retraction Note to: An experimental study on microchannel heat sink via different manifold arrangements

    • Anurag Dahiya
    • Mohammed Amer
    • Harpreet Singh

    Retraction Note Open access 02 July 2021 Article: 720