How can I learn to read Zetasizer Diagrams professionally?

Hello all, I got this Zetasizer result recently and did a quick scanning here to learn how experts read these results. And end up with these data: 1.The most useful or serviceable info is the...

15 December 2020 6,658 5 View

How to define a wave port in HFSS transient analysis?

I am doing a transient analysis on a horn antenna using HFSS transient. I know that I need to define a so-called ground plane to which the wave port is attached and that is how I would be able to...

27 July 2020 552 3 View

I am searching for "Model order reduction of nonlinear systems". how can it be possible?

I have a complicated 4th order nonlinear differential equation for a system. I am going to design a nonlinear controller for this system. is it possible to reduce it into a second-order system?...

28 June 2020 930 14 View

Is it possible to model the non-Newtonian Lubrication in comsol?

I want to know that is it possible to model the Bingham lubrication in Hydrodynamic module or thin fluid film module? or mabey I should use another module? #nonnewtonian lubrication #Comsol...

26 June 2020 1,715 5 View

How can i simulate the non-Newtonian lubricant for Hydrodynamic bearing in Comsol multiphysics?

In Comsol multiphysics, the bearing can simulate by Hydrodynamic bearing or thin fluid film module. But when I want to add a constitutive equation for viscosity the shear rate can not appear as a...

15 June 2020 4,948 3 View

No title

I am familiar with LSTM neural networks which work well for energy demand forecasting. However, I would like to compare its performance with the two other machine learning methods. What are the...

14 September 2019 6,867 7 View

Which face of cellulose acetate membrane should be used?

The cellulose acetate membrane which I have, have different faces apparently. One side of this membrane is glossy while the other side of it is matt. I want to use this membrane for vacuum...

26 August 2019 3,492 3 View

For learning and using Machine leaning is it necessary to have a computer science background?

Hello, I have seen interesting studies on energy which use Machine Learning algorithms. As I have a mechanical engineering background I am not sure if I can learn and use machine learning. Is it...

11 May 2019 1,716 4 View

Is Aspen able to do the optimal design of a heat and mass integration network?

I am going to find the optimal heat and mass integration in a plant. In this plant different streams have variable flow rate over time. I am going to determine the optimum heat exchange network...

19 March 2019 3,535 1 View

How to build a reverse osmosis water purification setup?

I want to know exactly that how can I build a reverse osmosis setup with a circular layer of membrane which should be between the feed and the permeate part? What kind of apparatus should I use...

09 March 2019 5,836 4 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

Can we block unwanted images during the x-ray prediction?

i am try to classify the x-ray images. During classification , can i block unwanted images (except x-ray image).

03 March 2021 7,100 1 View

Irradiation data for JAPAN?

Hi, Could you help me to get the latest (2019, 2020) solar resource data for a particular site in JAPAN? PV GIS and NSRDB data are not in reach to JAPAN, I'm looking for some other database for...

03 March 2021 961 3 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View

12% ledeburitic cold work tool steel, etched for revealing retained austenite, any help for clarifying?

Hello everyone. Given microstructure image belongs to a 12% ledeburitic cold work tool steel (annealed and tempered). The sample was etched with picral (100 mL ethanol and 4 g picric acid). I...

02 March 2021 4,119 3 View

Why Austenite grains in steel show much more twinning than ferrite grains?

It is oftentimes said to be a distinctive metallographic trait that differentiates a fully austenitic and a fully felly ferritic steel without etching that might distinguish between two. Why...

02 March 2021 728 2 View

How Can I bring as much common elements in steel as possible to calculate stable phase(s) in OpenCalphad?

As I was tweaking step-by-step OpenCalphad6 Macros step1.ocm involving phase and thermal property calculation of a High-speed steel, I could not incorporate more than 6 elements in the steel...

01 March 2021 8,840 1 View

I need to accelerate corrosion in steel parts that are used in a salt-water environment. Is there a technique for doing so?

I have a structure that employs d-ring swiveling tie-downs that corrode during use and become "frozen". I have sample swivel assemblies that I wish to corrode to see if I can free them using one...

01 March 2021 3,739 3 View

Does anyone know to clarify these changes?

01 March 2021 1,290 2 View

In an eye with Tyndall, does each dot correspond to an individual cell?

When you observe the presence of Tyndall in an inflamed eye: Does each of the small floating dots correspond to an individual cell or to an aggregate of cells? Does a conventional slit lamp have...

27 February 2021 6,326 2 View