How can extract the roots of an Ill-conditioned matrix with complex elements?

Hi everybody. I have a problem with solving the characteristic equation of an acoustic absorption coating. I have a 4*4 matrix that its determinant must be solved and the answer (the roots of the...

31 December 2019 7,048 3 View

How to use MOSFET for IV measurement?

Respected sir, We are making IV measurement setup. To the Gate of MOSFET, we give voltage in steps (VGS). and at the same time, we check the voltage at drain (VD) w.r.t. ground. It is varying but...

06 March 2019 6,394 1 View

Please suggest some nanoparticles whose chages drastically before and after oxidised state?

Please suggest some nanoparticles whose chages drastically before and after oxidised state? Also, suggest methods of sysnthesis.

02 December 2018 9,522 5 View

Hi all dears, Anybody can help me to define a specific curve in abaqus part modeling?

I need to define functional curve (I mean a curve which define with a function like as A*Exp(bz) or y=x^3+3x^2-4) for optimization goal. I must write a script and change the curve to optimize the...

11 September 2018 5,120 4 View

How the optical and electronic band gaps are different?

How the optical and electronic band gaps are different?

14 October 2017 8,922 3 View

What causes that a matrix has a large condition number?

26 September 2017 7,275 4 View

Solvation in c++?

Dear colleagues, I'm beginner in C++ programming, I've coded a c++ program to solvate (hydrate) a structure (carbon nanotube for instance). Would you please check it out and give me your comments...

03 February 2017 7,152 9 View

MPI error running LAMMPS?

20 November 2016 7,494 3 View

Q2. Could you please help in supplying me with a dataset for job scheduling for cloud computing environment?

10 November 2016 3,551 3 View

Does anyone know by any chance how we can delete the extra rows in Mean Comparison Output of SAS? and make a publication-ready ANOVA table?

Unfortunately, SAS output is not that user-friendly and publication-ready, it is a very powerful software, though.When I perform ANOVA using PROC ANOVA or PROC GLM and add MEANS, the output ANOVA...

03 September 2016 5,138 4 View

How the wettability of rock sample can be changed by ageing in pure hydrocarbon oils only?

I want to do wettability analysis of hydrocarbon oil (octane)/rock/surfactant solution system. but to do the analysis first I have to make rock surface oil-wet. Since hydrocarbon oil does not have...

27 February 2021 5,383 3 View

What is the suitable range of Sulfur content and Viscosity of Heavy fluid Oil that used in Kiln?

What is the disadvantages of high sulfur content to the ceramic burning process? and what is the effect of outranged viscosity?

24 February 2021 8,219 2 View

How can Gamma Ray API units be converted to CPS (counts per second)?

Oil and gas companies run gamma ray tool and take readings in API units while Gamma ray is also noted in cps, so how these units can be converted into each other?

24 February 2021 7,545 2 View

How to remove compound ( Europium complex ) from paraffin oil?

How can I remove my compound from paraffin oil? Mistakenly my compound fell in an oil. Compound = Europium complex

22 February 2021 5,667 2 View

When I mix oil and NaOH solution, Why solid layer in the surface is formed?

During my trial for lubricant oil re-refinery process, I use NaOH as coagulant agent. After overnight of gravity settling, a solid layer in the surface was form. what product is that? since the...

22 February 2021 2,116 4 View

The type of filter paper used to filter an epoxidized oil (the mixture is an epoxidized oil with magnesium sulfate) ?

I have a mixture of epoxidized oil and magnesium sulfate wich type of filtre paper should i use

21 February 2021 3,944 3 View

What reaction will occur when adding hexamine into ammonium nitrate in an acidic medium?

Hello, I am investigating properties of water in oil emulsion explosives. And adding hexamine (hexamethylenetetramine) into one of the phases that are used to make the emulsion should increase the...

21 February 2021 8,680 1 View

How can we study the adsorption efficiency of microgel at the oil-water interface?

I am studing the mircogel at oil-water interface. I want to know the adsorb amount of microgel at the oil water interface. How we can determine this amount?. I will highly appreciate your...

19 February 2021 2,787 1 View

Does anyone know, can i do cryosectioning of whole aorta after oil red O staining and use the cryosection parts for further analysis?

I would like to quantify the lesions on aorta. I want to take image of atherosclerotic plaques formation in aorta by using O red Oil Solution. After the staining, what will be the storage...

16 February 2021 5,876 2 View

Does calculating the interaction index between a drug and a food matrix make sense?

Dear all, I'm conducting the revisions of some of my manuscript, with is the impact of the combination of Aspirin and a fruit juice in colorectal cancer cells. Two of the reviewers have asked to...

16 February 2021 3,141 3 View