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

error in running a model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

error in modelling model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

MGL tools

20 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

i have some problem with chtMultiRegionSimpleFoam

--> FOAM FATAL ERROR: Maximum number of iterations exceeded From function Foam::scalar Foam::species::thermo::T(Foam::scalar, Foam::scalar, Foam::scalar, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar) const) const [with Thermo = Foam::hConstThermo >; Type = Foam::sensibleEnthalpy; Foam::scalar = double; Foam::species::thermo = Foam::species::thermo >, Foam::sensibleEnthalpy>] in file /home/ubuntu/OpenFOAM/OpenFOAM-4.1/src/thermophysicalModels/specie/lnInclude/thermoI.H at line 66. FOAM aborting #0 Foam::error::printStack(Foam::Ostream&) at ??:? #1 Foam::error::abort() at ??:? #2 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::calculate() at ??:? #3 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::correct() at ??:? #4 ? at ??:? #5 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" #6 ? at ??:?

24 March 2021 0 0 View