Electro chemical machining availability?

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Prediction and quantification of water content ?

Hi all. Is it possible to correlate multiple parameters like fruit weight, color, length and diameter, its ratio with water content in coconut ?. Need some guidance on some non destructive methods...

23 July 2024 9,421 3 View

Dimensions of radiation box in HFSS?

I am designing a patch antenna using coax feed in HFSS. I read in posts that dimensions of radiation box should be more than lambda/4 from the edges of the radiating structure. So I did like that...

17 January 2023 9,053 7 View

What impact does the solution frequency has in HFSS?

I am designing a patch antenna with coax feed for 3GHz frequency. While assigning radiation box the height of the box needed to be assigned I found it should be above lambda/4 which was around...

06 January 2023 541 4 View

How to add an Infinite ground plane in CST?

My professor asked me to replace normal ground plane with infinite ground palne and compare between them for a patch antenna. I don't know how to add a infinite ground plane in CST can somebody...

21 December 2022 6,840 3 View

How to store HMF?

I am working on the electrolytic oxidation of 5-hydroxymethylfurfural. I am currently storing 5-hmf dissolved in water in the refrigerator, but I am not getting good experimental results, perhaps...

04 December 2022 6,080 1 View

How does HPLC column's temperature influence to peak area , peak shape or retention time?

I am university student and study HMF(5-hydroxymethyl furfural) electrooxidation. I use HPLC analysis and UV-vis ,but I don't know it well. I use ion exclusion mode column. I am researching...

27 October 2022 6,133 3 View

What curing agent can I use to mix with the base elastomer to prepare PDMS sheets?

Actually I have PDMS, it clear and highly viscous in nature, so what can I mix with it to mould them to sheets of 0.5mm thickness. Please also let me know the method that I can use for curing.

10 May 2022 9,600 3 View

How to use potassium silicate or sodium silicate in powder form for geopolymer concrete ? Which article or research paper to study for mix design?

Geopolymer concrete research by using Na2sio3 or k2sio3 powder

01 January 2022 6,330 3 View

Impedance matching of a low frequency antenna ?

I designed a antenna working at MHz range. I got -10 db impedance bandwidth for certain range of frequencies. In that range of frequencies I got a spike in impedance bandwidth for -2db. I tried...

25 October 2021 8,732 4 View

Are there any fluorocarbon oils with a refractive index greater than 1.3?

Hello fellow researchers! I am trying to find a fluorocarbon oil that has a refractive index same as or greater than that of water (1.33). The closest one I can find so far is 1.3 (FC-170).

02 May 2021 561 1 View

How to define an anisotropic material with asymmetric elastic compliance/stiffness matrix in ANSYS APDL?

I need to model an anisotropic material in which the Poisson's ratio ν_12 ≠ ν_21 and so on. Therefore, the elastic compliance matrix wouldn't be a symmetric one. In ANSYS APDL, for TB,ANEL...

09 August 2024 5,048 2 View

Is it true that $\det(V(A))$ may be only $\pm 1$, depending on $n$, for the last symmetric tridiagonal matrix $A$?

One can try to generalize the Vandermonde determinant in the following direction: Let $A$ be any symmetric $n$-order square matrix. Consider its powers' diagonal elements $(A^k)_{ii}$ and...

08 August 2024 6,690 1 View

Usage of internal standards in LC-MS/MS analysis?

Have you ever seen a LC-MS/MS method uses both internal standards and external standards (in matrix matching purpose) but the concentrations of internal standards are outside the calibration curve...

05 August 2024 3,084 6 View

Request a single Lecture notes for math as detailed as this that I can find in one place?

- The Existence/Uniqueness of Solutions to Higher Order Linear Differential Equations - Higher Order Homogenous Differential Equations - Wronskian Determinants of $n$ Functions - Wronskian...

03 August 2024 2,366 0 View

What is the best practice for resuspending cell pellets during competent cell preparation (both electro and comp)?

I'm fairly new to making homemade comp cells and have done so with some mild success. What is generally an acceptable way of resuspending comp cells during wash steps? I've been told to swirl the...

31 July 2024 8,309 0 View

Tissue homogenization in mouse with FastPrep-24™ 5G - is the D matrix system useful?

I need to lyse and homogenise mouse tissues. So far I have experimented with liver and lung tissue, using matrix D. The liver was completely lysed with 6 repetitions of the standard program, but...

31 July 2024 9,186 0 View

Is it true that science is leaving the era of mathematics and entering the era of matrix mechanics?

We assume this to be true. Science leaves the era of mathematics and enters the era of matrix mechanics and the turning point is the discovery of numerical statistical theory called Cairo...

31 July 2024 3,900 2 View

What are some signs that an ECM is overfitting the Nyquist plot?

What can you look for to know that the circuit model being used is overfitting the data. How do you know when overfitting is occurring?

31 July 2024 7,425 0 View

Help on understanding the implementation of Mori Tanaka method on MATLAB?

I am new to Micromechanics and having similar problem with understanding the implementation of the formula's. I would appreciate if anyone can guide me on how to go about getting a scalar value...

30 July 2024 969 0 View

Simulation of metal drawing by Abaqus with UMAT?

Hello, colleagues. Recently, I have been working on a metal processing simulation with my UMAT in Abaqus. I have outlined the corresponding simulation, but I keep encountering issues that cause...

30 July 2024 7,062 1 View

Marie Berthuel

Hello Ts Senthilkumar

What is the form/dimensions of the samples?

Can you provide any further information on the metal matrix composite?

Best regards,

Marie B.

Venkata Ramana Mudinepalli

Dear Senthilkumar,

Where are you from. What is your samples nature.

You can try IIT Madras, in Department of Metallugical and Materials Engineering, have this facility. I hope you can finish your experiments there.

I wish you good luck.

Srinivasa Rao P.

DRDO research labs

IIT KANPUR,IIT Madras

etc

Habib Khellafi

Hello, Where are you from. What is your samples nature.