What is the best zinc precursor for Zinc Oxide Nanotubes (ZnO)?

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Psychological characteristics of a "novice swimming child" 5 years ?

What are the cognitive characteristics of a 5-year-old "novice swimming child", and everything related to motor learning, psychological and kinetic tests and measurements compatible with the study?

06 September 2020 9,327 2 View

Psychological characteristics of a "novice swimming child" 5 years ?

What are the cognitive characteristics of a "novice swimming child" 5 years old, all related to motor learning, psychological and kinetic tests and measurements that are compatible with the study

06 September 2020 258 2 View

What is your knowledge about the curriculum of excellence, and what are its features? Is it applied in your country?

What is your knowledge about the curriculum of excellence, and what are its features? Is it applied in your country? Your participation is great and appreciated

01 July 2020 2,103 16 View

Is MDPI still a predatory publisher?

MDPI was a predatory publisher, but some colleague told me that it was retrieved from predatory list. Is this correct?

01 July 2020 9,785 62 View

What are the skills of the twenty-first century to be available to students at different levels of education?

What are the skills of the twenty-first century to be available to students at different levels of education? Your participation is of great importance to me

25 June 2020 705 29 View

What is the effect of parental treatment during the ban on the child's personality?

Do you think that parental treatment during the ban period will affect an active role in the formation of the child's personality in psychological, social and personal terms?

16 May 2020 3,741 4 View

Can a survey question measure more than one variable?

Hello.. Example of my question is the following statement in a survey: "I encourage my friends to buy this brand" In the analysis stage, can I define this statement to represent (measure) more...

04 March 2020 6,279 5 View

In case of falling rain in some day during solar drying experiment by Indirect solar dryer integrated with PCM storage unit, can I shut down ??

In case of falling rain in some day during solar drying experiment by Indirect solar dryer integrated with PCM storage unit, can I shut down the dryer and continue next day? then how can I...

26 August 2019 5,065 8 View

How is the impact factor of a scientific journal calculated?

18 August 2019 2,371 8 View

How to separate top cell from bottom cell in a tandem solar sell to do single cell simulation in Silvaco Atlas?

I have the example 12 of silvaco atlas in wich there is a tandem solar cell. I am asking how to separate top cell from bottom cell to get single cell simulation. I tried to cut the top/bottom cell...

27 July 2019 1,337 8 View

1 nm thick MgO thin-film to be deposited on Si wafer using thermal evaporation. What will be the optimum deposition conditions?

Favourable conditions of base pressure, rate of deposition. Also, by which characterisation technique to be used to verify the thickness of the deposited film.

28 February 2021 3,640 3 View

Can anyone share his experience regards Smoothing in origin?

I am working on TiO2 composite material and the results of XRD have a lot of small/junk peaks and while I apply a smooth filter in Origin then the other characteristics peaks disappear so anyone...

26 February 2021 8,183 3 View

What are the methods used for CNT..?

Respected Professor's i hope you are doing well and happy. i need some information about carbon Nanotubes. before blending the CNT with the matrix the CNT has been introducing in some treatments....

24 February 2021 5,383 5 View

Is there an ideal incubation time of RGO-modified SPCE before subsequent use, i.e., electrochemical characterization or further modification?

I notice that upon washing and air-drying of my RGO/SPCE surface and characterizing again via DPV, the current response towards ferricyanide probe significantly decreases. My worry is that the...

22 February 2021 5,324 3 View

How can I measure the thickness of thin layers deposited on textured glass susbtrates?

I want to measure the thickness of aluminum oxide and titanium oxide layers deposited on textured glass substates. The layer thicknesses are typically below 100nm.

21 February 2021 5,465 4 View

What is the best etching method for Mg-Ca alloy?

I have used Picral etchant (4.2 g Picric acid, 10 mL Acetic acid, 70 mL Ethanol, 10 mL distilled water) but it didn't work. Is there any alternative?

21 February 2021 2,558 5 View

RDF calculation of water inside the Carbon nanotubes?

I am trying to calculate the rdf of water molecules present inside the Carbon nanotube. I tried to do the indexing first using gromacs tool gmx selection. But when it comes to calculating rdf, I...

17 February 2021 1,066 3 View

ZnS oxidizes to ZnO!!why??

when I put my ZnS solution in the chemical bath, the ZnS oxidizes so there are ZnO peaks appearing because of the reaction with the oxygen in the air, despite the fact that I close the beaker...

14 February 2021 5,778 9 View

Charmm/GROMACS Residue 'ZN' not found in residue topology database?

I am trying to do some MD simulations of a protein with zinc ions. I am trying to use a charmm forcefield (I have tried 2017 and 2021) and Gromacs. I get an error when doing pdb2gmx Residue 'ZN'...

12 February 2021 9,367 2 View

What is the difference between Graphene Oxide and Expanded Graphite?

What are the main differences between Graphene Oxide and Expanded graphite, in terms of surface functionalities, conductivity, d-spacing and other features? Is the term expanded graphite...

06 February 2021 9,810 4 View

Anoop Kumar Srivastava

Please have a look at enclosed PDF...