Ideal sample size calculation for a descriptive study ?

I wish to estimate the expression of two types of markers by immunohistochemistry in the biopsy specimens of a particular type of cancer, and correlate their expressions with clinical parameters...

20 September 2020 9,662 6 View

How to explain EDS for concrete?

Is carbon element is present in concrete EDS, if yes how??

19 July 2020 5,248 8 View

How can i solve a set of 3 equations having one of the element as non linear involving sigmaudot of the response u?

I need to use matlab to get the displacement and velocity time history of the 3 degree of freedom system (image attached). i can use any numerical method or ode45 but one of the element in third...

25 September 2019 3,820 5 View

Which remediation method is most suitable for heavy metals remediation from contaminated soil and groundwater nearby industrial and mining area?

Suggest me some effective and less time taking methods for remediation purpose and also economically feasible.

02 April 2019 3,186 12 View

How to solve fractional order algebraic equations?

I wish to know about the existing methods to solve a fractional order algebraic equation. I am not asking about solution of fractional order differential equations. To make things clear, the...

06 March 2019 585 5 View

Can a system with negative Gain Margin and positive Phase Margin be still stable?

I have to design a fractional order PID controller for a maglev plant. The maglev plant is an open-loop unstable system. Its transfer function has two real poles, one on the RHS of s-plane and one...

12 September 2018 6,101 6 View

How does abaqus calculate principal stress?

I am modelling a uniacial compression test of cylinder in abaqus. I need to extract principal stress value.I extracted force on surface, divided by area to get engineering stress value. After...

17 June 2018 5,843 14 View

Is it possible to determine the Time of Emission for a Single Photon?

Hello, This is a question for experimental physicists working with single photon sources. Does anyone know the current limit of accuracy for knowing the time at which a single photon is emitted...

20 October 2017 4,176 7 View

How to design IMC based fractional order PID controller on integer order plant? what is the step ?

IMC BASED FRACTIONAL ORDER PID

10 July 2017 8,120 3 View

Which Statistical analysis can be done on convenience sample?

I have collected data from Tourist's visiting Sikkim from three major exit points of Sikkim as my research concentrates on Exit survey. However, due to lack of sampling frame I have used...

16 June 2017 6,275 11 View

Could you recommend any books about Number Theory?

Beginner level books. High level books. Analytical Number Theory. Algebraic Number Theory. Combinatorical Number Theory. Books about partitions. Books about primes.

03 March 2021 7,174 5 View

After a reference from Int J Body Compos Res, can any body help?

Hi, I am after the reference below, my library says it cannot obtain a copy either locally or internationally, any help appreciated! Chris Wang ZM, Heshka S, Wielopolski L, Pi-Sunyer FX, Pierson...

03 March 2021 6,193 1 View

Irradiation data for JAPAN?

Hi, Could you help me to get the latest (2019, 2020) solar resource data for a particular site in JAPAN? PV GIS and NSRDB data are not in reach to JAPAN, I'm looking for some other database for...

03 March 2021 961 3 View

Arena simulation - how do i model the following model in ARENA (see description) (new to ARENA)?

Hello, I'm fairly new to ARENA and I have the following problem: I have two queues in which, in each queue, a different order type arrives (both having an arrival rate of exponential 10). Order...

02 March 2021 2,431 3 View

Why almost every element would be metallized in sufficiently high pressure and low temperature?

(This statement is from wikipedia, BTW). What is so special about metallic bond that is limiting high-P low-T state of a matter (as long as individual atoms exist, not white dwarf of neutron star...

02 March 2021 3,309 2 View

Timeout error!! Processor in the loop (PIL) using STM32F4 Matlab 2018a?

Dear Researchers I am trying to perform a PIL simulation using STM32F4 Discovery board and comunication serial USB TO TTL. During simulation I receive the following timeout error: An error...

01 March 2021 2,327 1 View

Is there a deep reason for using the squared modulus of the wave function as the probability density of the existence of the particle?

I think we were all surprised at the first time we got to know quantum mechanics that the squared modulus of the wave function is the probability density of the existence of the particle? The role...

28 February 2021 6,282 9 View

What is Flat Lens Antenna?

28 February 2021 5,433 3 View

Can impedance of antenna be less than 50 ohms?

I am simulating helix antenna in hfss, right now, giving excitation with 50 ohms port. When I see the results of Z parameter (real). It shows lower than 50 ohms. Do not understand, if it can be...

27 February 2021 4,218 7 View

How to calculate Ligand-active site distance in a ligand-protein complex from MD simulation?

I have run a MD simulation of a ligand-protein complex in GROMACS using CHARMM forcefield. Reviewer has asked me to calculate Ligand-activesite distance and binding free energy of ligand with...

27 February 2021 4,703 1 View