Errors in DNA sequences?

I am trying to better understand the scope of DNA replication and sequencing errors, e.g. 1. I have seen similar error rates of 10e4 to 10e5 for cell & instrumental DNA replication,...

24 February 2021 4,397 3 View

Can I perform Zeta-potential analysis with for nanoparticles dispersed in propylene glycol using disposable capillary cell (DST1070) ?

I am conducting a zeta-potential experiment but it shows I have a poor quality result and my sample conductivity is low. My sample is copper nanoparticles dispersed in propylene glycol.

05 December 2020 3,966 9 View

No title

02 July 2020 1,966 6 View

Please help; How can I address ontological, epistemological, axiological issues in my research?

I am studying an application of Competence Based Training by teachers. I want to know how they apply it in classrooms, if they have any Pedagogy Content Knowledge (PCK) deficiency in using such a...

05 May 2020 1,039 15 View

Why is my antenna showing an impedance of 106.6 Ohms on the smith chart instead of 50 Ohms?

Hello everyone, I'm having difficulty with the line input impedance of a patch antenna signal. It's showing s1,1 impedance of 117 ohms on the smith chart but the correct impedance should be 50...

16 March 2020 6,552 3 View

Is there a statistical distribution to model the sum of independent squared Gaussian random variables with different means and variances?

The sum of squared zero-mean Gaussian random variables with different variances can be modeled by a generalized Chi-square distribution. However, I am looking for the PDF of the sum of squared...

06 January 2020 2,001 6 View

Binary online matrix calculator?

Please could someone assist with sites of an online matrix binary calculator

19 November 2019 5,522 3 View

How to model a hyperelastic plate in ansy apdl?

I am modelling an elastomeric bearing in ansys apdl but the elastomer does not bulge under compressive load as it should. it "splashes out" under any significant loading. is it the loading problem...

26 June 2019 2,003 3 View

What is a good measure of surface roughness (i.e. topographic complexity) that can be derived from a DEM?

I want to generate an environmental layer depicting topographic roughness, or complexity, scores using a DEM in ArcMap. I know there are lots of available methods (i.e....

09 April 2019 6,563 4 View

Use of SOD Assay Kit-WST wells, anyone with a clue on how best to add samples?

I am using this Kit for the first time. A number of dilutions for the sample of intent is prescribed. Blank 2 well should contain the sample solution, but it is not stated which of the dilutions...

25 March 2019 5,896 2 View

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View

What are the application of Fixed points thoery in Chemistry.?

It is said that fixed point theory has lot of applications not in the field of mathematics only but also in various areas. So I am looking for applications in Chemistry only..

26 February 2021 3,533 1 View

Can I ask did any good platform or journals for learning the calcluation on the reference governors and command governor?

Recently I face some problems with the mathematical ( calculation) on the reference governor and command governor, so I need some help from you all to get which platform or journal can let me...

23 February 2021 7,746 2 View

Special issue on PLS-SEM in Mathematics. Are you interested?

21 February 2021 5,601 3 View

What is the better software for approximation of 3D surface with equations?

I have a massive of x, y, z coordinates of 2D surface in 3D space, which builded in Ansys HFSS or AutoCAD. How can I get the analitical aproximation of this surface by formulas?

21 February 2021 3,444 7 View

How can I obtain a sine function along a path with known equation?

I have a symmetric airfoil with known equation. Now a sine function passes along the airfoil equation like following figure. I want to find the sine function in (x,y) coordinate system.

17 February 2021 1,594 12 View

Does learning mathematics exclusively improve cognitive abilities?

Teaching Mathematics at school to all students is commonly justified by the opinion that it improves their problem-solving skills and "makes them smarter" (whichever measure is implied by this). I...

15 February 2021 7,391 7 View

What software would you say is the best for XRD analysis which has the option of profile fitting?

I am analyzing the data obtained from powder diffraction of a MoS2 thin film. I want to assign phases to the peaks obtained in my pattern. The software that I'm currently using is PowderX but it...

10 February 2021 7,254 10 View

Does anyone have a stack of images of action potentials or abnormal brain scans?

I need a stack of black and white .jpeg/.tiff/.jpg/.png images across time of either action potentials, neurons firing, or brain scans (comparing disease and normal brain, disease progression,...

09 February 2021 2,648 3 View

Can we help fellow mathematicians get free ?

https://terrytao.wordpress.com/2021/02/08/a-statement-from-mathematics-department-faculty-at-stanford-and-mit/ Terry Tao blogged about this unfortunate event. Kindly share among Mathematical...

08 February 2021 1,055 3 View