How can we test size and shape of nanoparticle?

There are many ways of measuring directly or indirectly the particle size at the nanometer scale, how can we test the nanoparticle size with good precision?

23 June 2020 139 28 View

Why nanotechnology is unique?

Nano is unique: properties, design and synthesis, applications, technology Nanotechnology is a common frame that integrates all disciplines: almost all fields have interest in nano (physic,...

24 May 2020 368 17 View

How we can create pores on metal oxide nano particles surface to enhance light capturing inside metal oxide NPs?

In order to achieve maximum hot electrons or lattice vibrations, is there any possibility to create pores on the surface of metal oxides. can we assume low acoustic impedance of materials under...

13 May 2020 7,235 4 View

Which is the concise introduction textbook for Nanotechnology course?

I'm looking for a very good textbook on Nanotechnology that can be given for the final year BSc students in physics and materials science could anyone suggest a book?I

12 May 2020 9,265 12 View

Which length do we take as the characteristic length of an aircraft to calculate Reynolds number and y+ value ?

An aircraft is consist of many sub-parts , while estimating the Reynolds number and y+ value first layer height which length do we consider as the characteristic length to be used in the...

15 March 2020 7,998 4 View

Is it possible to do an advanced shape optimization using adjoint solver without the add on of MRF ?

If one has do to some really complex shape optimization for the external aerodynamic problems . Is the adjoint solver has the enough capabilities to do the job without having command on MRF add on...

05 March 2020 6,825 1 View

Suggest me databases where i can find maximum studies regarding knee osteoarthritis??

I have to write a systematic review and I need maximum studies regarding knee osteoarthritis patients please suggest me all relevant databases.

22 February 2020 4,836 2 View

No title

I have added my article successfully but filed to be found using google search using any phrase combination.

25 January 2020 857 2 View

Why pressure far-field require a domain as far as 20 times of the characteristic length ?

Hello Everyone , Pressure far-field boundary condition is often recommended for flows with varying density , but why does it require so larger outer domains. Regards Aamir Sultan

10 January 2020 8,845 3 View

Is Spalart Allmaras turbulence model capable of simulating Laminar Separtion Bubbles ?

Hello Everyone I am simulating an airfoil at Low Reynolds Number flow Regime Re=10^5 , in this particular case a laminar boundary layer separates , forming a laminar separation bubble , then...

27 December 2019 5,325 3 View

error in running a model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

error in modelling model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

MGL tools

20 June 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

i have some problem with chtMultiRegionSimpleFoam

--> FOAM FATAL ERROR: Maximum number of iterations exceeded From function Foam::scalar Foam::species::thermo::T(Foam::scalar, Foam::scalar, Foam::scalar, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar) const) const [with Thermo = Foam::hConstThermo >; Type = Foam::sensibleEnthalpy; Foam::scalar = double; Foam::species::thermo = Foam::species::thermo >, Foam::sensibleEnthalpy>] in file /home/ubuntu/OpenFOAM/OpenFOAM-4.1/src/thermophysicalModels/specie/lnInclude/thermoI.H at line 66. FOAM aborting #0 Foam::error::printStack(Foam::Ostream&) at ??:? #1 Foam::error::abort() at ??:? #2 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::calculate() at ??:? #3 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::correct() at ??:? #4 ? at ??:? #5 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" #6 ? at ??:?

24 March 2021 0 0 View

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 View

Why does blocking with my immunogenic peptide cause nuclear fluorescence in ICC?

Hi all, I am validating a polyclonal antibody raised against human ANT4, through WB and ICC. In most of my controls, the antibody shows very little off-target binding, but when I pre-incubate the...

03 March 2021 5,999 3 View

After a reference from Int J Body Compos Res, can any body help?

Hi, I am after the reference below, my library says it cannot obtain a copy either locally or internationally, any help appreciated! Chris Wang ZM, Heshka S, Wielopolski L, Pi-Sunyer FX, Pierson...

03 March 2021 6,193 1 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View