What are the typical values for dislocation velocity, density of dislocations, and/or strain rate in plastically deformed graphene at room temperature?

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What does it mean high-precision determining random variable?

Hello everyone! As you understand, high-precision positioning using global navigation satellite systems or simply high-precision determination of a random variable. At what point does your...

11 February 2024 6,785 7 View

Where can I get the dataset of the network of passenger flows on urban public transport?

The number of passengers entering and exiting at each stop is the basis for optimizing bus operations in cities. Currently, there are many technical solutions available to calculate passenger...

25 December 2023 2,348 0 View

Can anyone suggest why the D283 medulloblastoma cell line did not attach after thawing?

Can anyone suggest why the D283 medulloblastoma cell line did not attach after thawing? What changes can be made to the dish surface or culture medium to solve this?

30 November 2023 3,338 2 View

Does anyone know where to find polymer-solvent Flory-Huggins interaction parameters for PEG 400 and 1,4-dioxane?

I am searching for polymer-solvent Flory-Huggins interaction parameters for PEG 400 and 1,4-dioxane to determine the cross-linking density of polymer network containing PEG 400 using 1,4-dioxane...

18 September 2023 8,258 2 View

Are there resources for identifying the circuit elements of an FPGA?

I have been trying to find a resource to identify the circuit element structures (from an optical micrograph) of delidded/decapsulated electronic devices, including the imaged Xilinx Arty A7 FPGA....

13 September 2023 2,765 0 View

How do I get CD25 expression on Jurkat cells?

After using flow cytometry to check early activation of Jurkat cells by estimating CD69 expression after 4 hours of incubation with CD3/CD28 ABs, I need to do the same for the late activation. So...

10 August 2023 5,708 1 View

Can anyone recommend a hydraulic lab that has a zero slope flume?

In fluid mechanics, the theory of steady and uniform fluid motion does not allow such a flow in a horizontal channel. But such a flow is possible from the point of view of the theory of energy...

19 April 2023 7,170 2 View

How is the process of interaction between the authorities, the operator and passengers in the service of passengers by public transport organized?

Public transport routes and timetables in citys are determined through a collaborative effort between local transport authorities and public transport companies. Local authorities are responsible...

04 April 2023 9,104 1 View

Can I prove that my metallic specimen has no carbon contamination by using SEM/EDS analysis?

I fabricated a Ni-based alloy specimen with C content in raw material less than 0.1%. Theoretically, there were added some contaminations during the manufacturing process, but I'm unsure which...

21 February 2023 5,754 4 View

How to optimize the public transport network?

In my city, passengers are transported by buses. The number of routes is very large. Many routes overlap. As a result, the costs of public transport from the city budget are high. The task is to...

24 January 2023 8,065 6 View

Short Synthesis of Graphene Oxide from Natural Graphite Flakes?

I am in search of a modified Hummer's method, which can be used to synthesis graphene oxide within 6-8 hours. As I am a student it is not allowed for us to work after 5 in the laboratory. So I am...

01 August 2024 8,368 2 View

How can I separate graphene from amorphous carbon of similar particle sizes?

The starting material is a finely ground powder. Some particles contain more graphene than others.

30 July 2024 3,978 2 View

Graphene and graphene oxide as cancer factor?

Please, can any one inform us about risks of graphene and graphene oxide as a factor of cancer growth?

28 June 2024 6,815 4 View

How to eliminate imaginary phonon frequency in phonon dispersion of Coved Graphene Nanoribbons?

Dear all, I want to calculate the phonon dispersion of 4CNR-1-0 (structure is in Fig. 2 (b) in this article Designing coved graphene nanoribbons with charge carrier mob... ) and then calculate...

17 June 2024 6,911 2 View

Do we need a femto laser for good LIG?

Do we really need a femtosecond laser for Laser-induced graphene(LIG) production on polymers? Other than better resolution and lesser thermal damage is there any other advantages?

13 June 2024 5,294 0 View

I synthesized Graphene oxide Two times but I got Peak at 8 degree first time. And second time I got a Peak at 6 degree. What will be possible reasons?

Please help me.

01 June 2024 1,598 3 View

What is the difference between absorption and adsorption?

30 May 2024 4,447 27 View

Does Graphene Powder really exist?

It is said that graphene layers accumulate again if they are produced and are not in a suitable solvent. So how are these pristine graphene powders supplied? I do not mean graphene oxide or...

29 May 2024 378 1 View

Good Afternoon ,I, Anjum F Sayed Student of Homi Bhabha State University but i am unable to form sponge ???

I am able to prepare Go and Rgo which I have confirmed with Xrd data but sponge formation is difficult. initially solid sponge type structure was formed but it was Fragile . Actually my main...

22 May 2024 1,056 0 View

How to develop an input file for a composite material in Quantum ESPRESSO (QE)?

Currently, I want to investigate the structural, electronic, and other properties of a composite material, but have trouble in developing the necessary input file for Quantum ESPRESSO (QE). So...

21 May 2024 3,409 3 View