How to use the properties of a blend of two existing refrigerants in Engineering Equation Solver (EES) library?

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What are the fundamental ideas of Monte Carlo dimensionality estimation, compared to Rasch residuals PCA?

I read an interesting article from Christensen (2007): A Monte Carlo approach to unidimensionality testing in polytomous rasch models. But do you have some further thoughts or maybe other...

08 August 2024 4,245 0 View

How to quantify polystyrene microplastic (8 micron) bioaccumulation in fish tissue?

"I have treated adult zebrafish with 8-micron polystyrene microplastic and want to study the bioaccumulation in different organs. Can this be done using hydrogen peroxide digestion followed by...

05 August 2024 853 3 View

In the presence of VERY high concentration (1000 ppm) of silicon, the adsorption isotherms of arsenic are showing anomalous trends, why so?

I conducted an adsorption experiment of arsenic on soil in the presence of different doses of silicon as competing ions to see the effect of silicon on arsenic adsorption and desorption. I took 5...

03 August 2024 6,500 3 View

Can Langmuir constant related to bonding energy (Kl) and Freundlich exponent (1/n) indicative of ads intensity show opposite trends with temperature?

The adsorbate is Arsenic and the adsorbent is a soil

18 July 2024 332 8 View

How can we calculate the polygon scanner speed by changing the supply voltage?

I am using a polygon mirror scanner that have 6 facets and the dc brushless motor speed was given 10,000 RPM. Now I want to know how to calculate the polygon speed if I change the power supply...

11 July 2024 5,942 1 View

How to give excitation to Crossed Dipole Antenna in HFSS?

I'm attempting to simulate a crossed dipole antenna. For excitation, I've placed a lumped port along each dipole. However, the resulting radiation pattern is similar to that of a single dipole....

08 July 2024 1,876 3 View

Does anyone know if there is a lab scale encapsulation machine available for purchase?

05 July 2024 3,889 1 View

How to troubleshoot error E1 on Biorad Powerpac Basic despite using sufficient and fresh buffer?

I have used this BIorad Powerpac Basic for 4 years now, before which it was used for another 5-6 years. Generally we addressed the E1 error by compensating with fresh buffer and/or filling the...

01 July 2024 7,104 1 View

How to explain the plot from gmx clustsize?

I am doing md simulation for protein aggregation. For doing cluster analysis I was trying with gmx clustsize. Now the plot that I am getting, can not find a proper explanation. With -hc flag the...

24 June 2024 5,246 0 View

Do you publish undergraduate research papers?

if yes, is the publication free of charge

06 June 2024 4,270 1 View

How can I prepare virus for a TEM or SEM imaging?

I have virus (viral hemorrhagic septicemia virus) in suspension and the experiment will not involve cells. What level of TCID50 is preferred?

11 August 2024 3,115 1 View

Geotechnical Engineering (Proceedings of the ICE) time review?

Hello everyone, I recently submitted an article to Geotechnical Engineering (Proceedings of the ICE), and the current status has been listed as "EiC Pre-assessment: Ready" for the past 20 days. I...

10 August 2024 6,493 1 View

Is it necessary to covary exogenous constructs in a structural model?

I am working on a SEM model where i have 7 latent variables (6 exogenous and 1 endogenous). In AMOS when I co-vary the exogenous constructs, only 2 paths are coming significant out of 6. But when...

03 August 2024 6,028 4 View

Where to find a gene list for CRISPRa/i library screening of regulatory factors that affect pathogenic Th17 differentiation in PBMC?

I want to perform a CRISPRa/i library screening for candidate regulatory factors that affect pathogenic Th17 differentiation in PBMC. But I am wondering how to define the size of gene library, so...

31 July 2024 2,150 0 View

In SEM, if a latent variable consists of three observed variables, and each observed variable has four items, what should I do?

Suppose I am studying the construct of "Academic Motivation" (latent variable) in students, which is measured through three observed variables: "Intrinsic Motivation," "Extrinsic Motivation," and...

31 July 2024 3,913 6 View

How to make overlapping p-h diagram in EES?

I want to draw ph diagram using Engineering equation solver EES for refrigerant R134a and R1234fy and some other. I don't know how to draw the multiple ph diagram on same dome or overlapping to...

30 July 2024 647 7 View

How to add Cr parameter in autodock?

When I run autogrid4 it says: autogrid4: ERROR: Unknown receptor type: "Cr" -- Add parameters for it to the parameter library first! Look forward to your reply.Thank you so much!

29 July 2024 488 0 View

What should a Mechanical Engineering PhD scholar focus on during their PhD to enhance their chances of securing a postdoctoral position?

29 July 2024 7,714 4 View

May I know the exact Quartile of the journal- Advanced Engineering Materials (Wiley) for material science category?

In some data sources it has been grouped in Q1 and some shows it is Q2.

29 July 2024 4,227 2 View

Ternary in Electrical Engineering?

Dear Research Community I would like to invite Elctrical Engineering specialists to solve problems related to Ternary Algebra or tripple sets I have an algorithm that places in relation three...

28 July 2024 5,771 2 View

Mohammad Vajdi

I have heard that for such a calculation refProp software along with matlab software must be used.

Subha Mondal

You can do it in refprop

Kundan Kumar

you can do it with matlab conected with refprop

fluid1='CO2.fld';

fluid2='propane.fld';

Y=[0.15,0.85]; Fracrion of CO2/propane

[h2]=refpropm('H','P',p_2,'S',s2,fluid1,fluid2,Y);

Jehad Yamin

http://www.fchart.com/assets/downloads/eesysolns/eesysol34.pdf