I was acknowledged that true density must be used to compute required amount of nanopowders. How if only bulk density is available from supplier?

More Wei Xian Hong's questions See All

In ANSYS Fluent, adding a line in XY plot by getting its average value can be considered as bulk fluid temperature?

ANSYS supercritical methane in pipe bulk fluid temperature in XY plot

11 December 2016 7,553 1 View

Does ball mill only rely on its RPM for grinding ? How about friction inside the jar?

ball mill, stainless steel media, friction

04 May 2016 2,431 1 View

If diameter of ball mill jar(not planetary type) is too small, is it still able to grind metal pieces into powder? Or just increase RPM will do?

ball mill small RPM

03 April 2016 7,593 3 View

How can I determine the best RPM for Dry Ball Milling machine in order to let the balls to fall from the best angle(s) ?

1. Designing 40cm cylinder 2. Going to grind ceramics.

02 March 2016 4,466 7 View

Will the heat generated in gear tooth transferred to the center of gear and escape through convection?Heat generated will affect efficiency of system?

1. gearing system 2. heat transfer through convection from side surfaces 3. friction between gear tooth 4. how to reduce heat generated instead of using lubricant

01 February 2016 4,232 2 View

What are the new 2D nanomaterials were used for Silver nanoparticles stabilization?

In the stabilization of AgNPs are vital in current research interest. However, some of the 2D nano-materials like graphene oxide, MoS2, etc... previously used to stabilize it. But still they shown...

01 March 2021 2,207 3 View

Is there a deep reason for using the squared modulus of the wave function as the probability density of the existence of the particle?

I think we were all surprised at the first time we got to know quantum mechanics that the squared modulus of the wave function is the probability density of the existence of the particle? The role...

28 February 2021 6,282 9 View

Why do the air flow results vary totally when adding scalar in CFD ?

Dear All, We are using Autodesk cfd to calculate the air flow in a single sided naturally ventilated room, where air flow depends only on buoyancy due to temperature difference between inside and...

25 February 2021 9,602 4 View

How does charge on working electrode changes with rising potential?

During performing CV of a GCE or modified GCE, we rise the potential in the first half of the cycle and reduce it in reverse half. During the first half, what is the nature of charge on GCE or...

25 February 2021 7,994 3 View

How to delaminate copper in water-based anodes?

Hello everyone, I'm looking for a way to delaminate copper current collector of water-based anodes in Li-ion batteries without damaging the graphite film. I tried different materials such as HNO3...

24 February 2021 3,785 3 View

Thermal reduction of graphene oxide.?

I am trying to reduce graphene oxide by thermally but I have no proper information regarding this. Can any one help me regarding the details about temperature and time for the reduction of...

23 February 2021 4,155 4 View

What kind of steel moulds are used for hot pressing metal powders?

My main concern is that the metal powders should not weld to the mold surface and I should easily be able to eject out the pressed samples. I am looking for alternative for graphite moulds. The...

22 February 2021 2,965 4 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

Is there a suitable way to confine cell attachment area inside a multi-well plate?

Are there any types of cylindrical cell culture inserts that are designed to confine cell seeding area? Say, if I'm using a 12 well plate (3.5 cm^2/well), but only want to seed cells in the middle...

22 February 2021 7,127 4 View

How to Study a proton NMR of Graphene prepared by Electrochemical Exfoliation technique?

I performed a Proton NMR of graphene powder prepared by electrochemical exfoliation technique. It shows some peaks. But I can't understand it.

21 February 2021 8,947 3 View

Didericus Hasselman

You may want to fill it with water and determine the amount it takes. Unfortunately, this may also fill the open pores in the particles. Good luck,

Kamil Oster

Have a look at my article in which I described your question:

Article Understanding the heat capacity enhancement in ionic liquid-...