How to check normal distribution in a cell viability test?

To choose whether a parametric or a non-parametric test should be used to compare data on viability that emerge from an assay such as MTT, one should establish if the data are normally...

02 February 2021 1,733 4 View

Why I observe different growth curves in Flp-In T-REx system?

Hi, I'm currently working with the Flp-In T-REx system to get isogenic stably transfected cells expressing my GOI (gene of interest, of about 1.4 Kb). I have generated a Flp-In Cell Line and since...

17 February 2020 5,608 2 View

Why does my MS show me only base peaks?

After changing the septum of my Focus GC connected to a DSQ II MS and after a complete cleaning operation on it, my mass spectrum became completely random. It shows me only base peaks in a...

10 June 2019 481 4 View

Can anyone suggest key literature and leading institutions in the field of Energy Transition?

Dear all, My background is in Energy Economics and Political Science and I would like to improve my knowledge on the Energy Transition issues. In your opinion, what are the most relevant and...

25 October 2018 8,507 7 View

How to simulate 3D beam to 3D beam contact in ansys APDL?

Hi, I'm modeling a lattice structure and I would like to insert the contact elements between 3D beams to get the whole structure non linear deformation. Since I never used contact elements before...

22 July 2018 1,551 2 View

GNSS Carrier phase Single difference residuals?

Dear all if I have the SD carrier-phase measurements how can I compute the SD residuals? Do i need to calculate the SD residuals before fixing the integer ambiguity?

10 April 2018 7,001 2 View

Interpolation of product formation in biocatalysis using integrated Michaelis-Menten equation?

I want to interpolate the amount of product formed (as concentration or % of conversion) vs reaction time in a biocatalysis process. The fitting equation should have as (y) the amount of product...

15 January 2018 6,790 3 View

What is the main goal of modeling, and maybe of scientific knowledge tout court?

While ideally aiming at understanding an empirical phenomenon, and at the same time predicting its behaviour, scientists often focus only on one of these two aspects. Is this the dilemma of a...

13 November 2017 6,036 5 View

Are there physical applications of Banach-Tarski Paradox?

Banach-Tarski Theorem (also known as Paradox) is a mathematical statement which says that a sphere can be splitted into two (or an integer N...) spheres each equal to the original one. Do you know...

30 October 2017 9,335 2 View

There is a general analytic expression of solutions for generalized Tricomi PDE?

In a 2010 paper Construction of classic exact solutions for Tricomi equation I have proposed a method for generalized Tricomi pde uxx + a(x)uyy = 0 construction of analytical solutions. But there...

10 October 2017 8,406 4 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

How do you interpret theoretical vs. experimental reaction orders with respect to a reactant?

I recently came across a paper focusing on the hydrodeoxygenation of oxygen-containing compounds. The paper linearized the rate equation in order to determine the experimental reaction order with...

14 February 2021 8,254 2 View

Can I get the design of circular cylinder to fix thermocouple on the surface and cartridge heater in core ?

Respected Scientific Community. I'm interested to carry out experimental studies on a circular cylinder. But even after doing literature review I unable to get the exact design of the cylinder...

10 February 2021 6,221 1 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