Help request in CST microwave?

im working now on TPV solar cells and metamaterials and i realy need our help in CST microwave i have a tpv cell simulation and i want to extract particullarly the absorbtion of only the active...

02 March 2021 2,246 2 View

The most suitable method to calculate the stress intensity factor in the presence of contact between the crack lips?

I'm trying to study cracked structures under a compressive load taking into account contact between the crack lips. I would like to know if the method of extrapolation by displacement remains...

21 February 2021 8,694 4 View

How can i get the data for the FTSE/JSE Responsible investment top 30 index (J110)?

Hi All , Please can you recommend a free database (i already use yahoo finance but it's not avaible) ,or if someone has already worked on this index for the period of 2015 it would be great to...

22 December 2020 247 3 View

How to find the dimensions of a patch antenna of a horn shape?

So i was asked to make a horn-shaped patch antenna, but i'm having hard time to find its dimensions. Is there a relation between a real horn antenna dimensions and a patched one?

07 December 2020 1,748 3 View

How to implement the Maximum Tensile Stress Criterion for crack propagation ?

Hello everyone, I'm working on crack propagation using a meshless method in linear elastic fracture mechanics and I want to use the Maximum Tensile Stress Criterion. I need some references or...

29 September 2020 2,362 3 View

How to calculate the sum and the subtraction of many random variables that follow exponential distributions ?

How to calculate the sum and the subtraction of many random variables that follow exponential distributions and have different parameters ? (The value of Lambda is different for all or some...

03 September 2020 3,721 10 View

Question regarding displacement of phases in Match! software?

Hello First of all i am an amateur when it comes to XRD and phase analysis so please bare with me on this . That being said , i am having an issue with Match! software whereas the suggested phases...

09 March 2020 4,240 6 View

About a MOSFET device ?

Is the thermal study of the MOSFET device important to improve the efficiency of the device or is there another opinion?

06 January 2020 8,718 4 View

How to model the terminations of a coaxial cable in MoM simulation? and How can i get the its Transfer Impedance ?

I want to simulate a coaxial cable in FEKO software. However, the results do not agree with the transmission line solution that uses the transfer impedance (Schelkunoff model). I m thinking that...

05 December 2019 4,357 8 View

Rotate mesh in ANSYS?

Hello , I am trying to make a 2D airfoil simulation using ansys fluent to calculate Aerodynamic coefficients for multiple angles of Attack . the domain i build has two parts exterior and a cyrcle...

19 November 2019 6,217 6 View

How to eliminate Steady state error from Reinforcement learning genetic algorithm code?

The following code (see 1st 2 images attached) is used to produce PID controller values that are designed to control the system (G). The code finds the PID controller values (noted as k) by using...

28 February 2021 6,560 14 View

What's the concentration recommend for recombinant protein use in western blotting?

I'm currently working having problem with the concentration for recombinant protein use in western blot, the one been used is Recombinant Human CD19 Fc Chimera Protein-rndsystem which does not...

24 February 2021 8,514 3 View

How to constrain genetic algorithm input u?

My real system (buck converter) can only take an input of 0 to 1 (duty ratio) and I need to constrain the system so the controller action keeps within this bounds. How can I do this? The code for...

22 February 2021 2,125 3 View

QTL, recombination frection?

22 February 2021 2,588 2 View

Choice of Ab for Co-IP: Does an anti-(tag) antibody (such as anti-flag/ anti-myc) a must if I am using co-transfected cells for Co-IP?

Hi guys, I am trying to detect the binding of 2 proteins by Co-immunoprecipitation. However, the choice of antibody is confusing me. I tried probing the endogenous protein right away but the...

16 February 2021 9,050 5 View

Is Genetic Algorithm usage for Motor Conception FEA optimization a good choice?

Hi RG community, Like the title shows ,i was wondering if choosing the GA for this kind of Optimizaiton is a good choice? For example we have a population of 100 (for 7-8 Optimization Variables),...

14 February 2021 1,160 7 View

Can part of recombinant protein not be expressed?

Hello. I am currently trying to express a recombinant gene with Avitag at the N-terminal. I'm aiming at a final product that looks like this: Avitag-(target protein) The protein I use is already...

14 February 2021 2,039 4 View

Possible problem for showing 0.2 sun intensity instead of 1 sun intensity in AAA class Newport solar simulator?

We have a AAA class Newport solar simulator. We changed the Xenon Arc Lamp recently (XBO450W, Make:OSRAM) as the lifetime got over. However, the intensity is coming to be only 0.2 sun instead of 1...

14 February 2021 9,998 3 View

What can explain a low expected heterozygosity rate for T. monococcum wild samples (0.09) ?

I conducted an SDS PAGE electrophoresis on wheat wild varieties to separate their glutenins and measure the genetic diversity of my sample. I only ran one electrophoresis. Can a genetic drift...

14 February 2021 3,971 1 View

Kinetics of Enzyme production in Recombinant E Coli?

Hello, I am trying to find kinetic information (such as rate of enzyme production etc.) on the expression of taq polymerase in E-Coli after inserting a recombinant plasmid. Any help would be...

12 February 2021 1,386 3 View