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

What are effects of steel jacketing on flexural strength?

Dear all, If steel jacketing is used to retrofit a reinforced-concrete (RC) column, can we use it to improve flexural strength? I understand that we leave gaps between the ends of the jacket and...

22 February 2021 1,906 5 View

How to model steel jackets using SeismoStruct?

Hi all, Does SeismoStruct support modeling rectangular RC columns retrofitted with steel jackets (e.g. rectangular, elliptical) ? Any suggestions for other software (apart from...

20 February 2021 4,521 1 View

Room Occupancy Calculation ?

15 February 2021 1,997 6 View

What Buffer should i use for T4 virus for electron microscopy ?

Hello, I currently have my T4 virus in HEPES buffer. Unfortunately, there are always crystals that are contaminating my solution (due to the buffer in which the Viruses are) when I observe them...

01 February 2021 400 3 View

Can we use control variables during Structural Equation Modeling with Amos?

We want to explore a mediating relationship employing SEM with Amos SPSS. Our independent variable is attitude toward wife abuse. mediator is exposure to male marital violence, and outcome...

07 January 2021 4,481 3 View

Response Surface Methodology?

I'm using 3 different light intensities (constant values 15,30,45 W) for the wastewater treatment of an organic compound and optimizing the parameters (pH, catalyst dose and light intensity)...

31 December 2020 2,377 4 View

How to simulate a varying load /load profile in Simulink/MATLAB?

I am looking for a block in MATLAB that can simulate a varying load such as a load of a house given below. this block will be connected to a power system

27 December 2020 5,835 5 View

Is Psychotherapy effective for children than adult? Why? Is there any good article to respond that?

I study and research about anxiety disorders in children in Iran and I sometimes face questions like this and unfortunately I could not find article or book to answer that.

30 October 2020 6,822 7 View

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30 October 2020 961 3 View

How to check the uv-vis absorption of nanoparticle by surface plasmon resonance?

I try to check the uv-vis absorption of Indium nanoparticle. Now I am measuring in solution, can I measure it in the form of a film?

01 March 2021 930 3 View

Gallium Antimonide (GaSb). Can anyone help me to find vendor (provider) to sell GaSb solar cell ?

I am searching of provider (GaSb), I only found this one (https://jxcrystals.com/wp/about/). Can anyone help me?

21 February 2021 1,945 2 View

Metal oxide corrosion protection, can it be done through the same techniques used in metal corrosion protection?

If a conductive metal oxide sheet like titanium dioxide (TiO2), indium tin oxide, Vanadium oxide etc. is corroding due to contact with solutions that contain oxidizing agents, what is the chemical...

20 December 2020 8,773 5 View

What is the etching process of a commercial ITO coated glass?

I needed to make electrodes on ITO glass by etching. I read different ratios of mixing HCl, H2O and HNO3 would etch. I did not follow which one would work for a commercial ITO. Will it work if I...

26 October 2020 4,073 5 View

How to bond the ruthenium sputtering target with copper baking plate?

We have tried to bond our ruthenium target with copper baking plate using Indium but it didn't work. We are looking for suitable options. The indium is only sticking to the copper plate not with...

31 August 2020 6,750 6 View

Could anyone share some good quality articles regarding resistivity measurements at low temperature, for Gallium and RE-co-doped ZnO thin films?

Hello, Could anyone share some good quality articles regarding resistivity measurements at low temperature (from room temperature to 20 K), for Gallium and RE codoped ZnO thin films (RE= Nd, Gd,...

06 August 2020 8,744 1 View

PL efficiency is higher i.e. better crystalinity for undoped semiconducto than doped one, but SEM shows less defect in doped one.How to explain it?

Undoped semiconductor shows better crystallinity in terms of higher photoluminescence (PL) intensity, in comparison to gallium doped semiconductor. But SEM images show that undoped semiconductor...

17 June 2020 5,554 8 View

What is the reason behind the appearance of sub-bandgap after 10% gallium doping in the pure semiconductor. But why the sub-gap disappeared for 20%?

Sub bandgap is absent in undoped semiconductor. Sub-gap appeared for 10% Ga-doping and again disappeared for highly doped sample such as 20%.

17 June 2020 1,505 4 View

How to get parameters of solar cell material?

What is the best way to get parameters for a specific solar cell material (I don't have the equipment to measure them)? For example, for Aluminium gallium phosphide, what are surface recombination...

10 May 2020 3,184 2 View

What is the role of indium in health and disease?

Indium is rare element that not familiar, Indium is a relatively rare element that has had limited use for decades as a metal, in alloys, and for electronics applications. During the past 15...

03 February 2020 8,858 4 View