Why nitrocefin is preferred over CENTA?

The chromogenic beta-lactamase substrate CENTA is at least five times cheaper than the other famous substrate nitrocefin and can be used with most enzymes, still, nitrocefin is preferred. Any...

17 December 2020 3,735 2 View

How to view a .FASTA_ALI extension file in MEGA-X software?

FASTA files can be opened in MEGA-X but I have .FASTA_ALI extension file which is only opening as a text file in MEGA-X. I want to see the alignment file in the protein alignment tool of MEGA-X....

20 July 2020 7,998 1 View

How genetic algorithm can be used to find optimal weights and biases of neural network?

Assume a 3-2-1 (3 neurons in the input layer, 2 neurons in the hidden layer and 1 neuron in the output layer) neural network. How genetic algorithm can be used to find optimal weights and biases...

24 May 2020 1,778 2 View

Can I use glass cuvettes in FTNIR spectroscopy?

I'm using a PE FTNIR spectroscope and working in a wave length 759nm to 2500nm. I'm broke with quartz cuvette. Can I use a glass container for scanning my material?

14 October 2019 1,715 1 View

How can we reduce the effect of environmental noise floor on the RF signal?

I am transmitting my RF signal through atmosphere at a range of 10 kms. But it seems range is limited by environmental noise floor. Is there any way through signal processing that can mitigate the...

14 February 2019 5,285 3 View

Which optical element can withstand more optical power - a mirror or a lens?

Suppose a highly intense laser beam of 10 kW is incident on a mirror and a lens. Which of the two can withstand the power without getting damaged.

17 November 2018 6,505 17 View

Is it possible to generate and detect a signal with milliHertz or microHertz frequency?

An optical gyro rotating at very less velocity may generate an output signal in milliHertz range. Is it possible to detect such signals?

08 September 2018 8,761 3 View

How is the lasing wavelength of a laser determined?

The emission wavelength of active part of laser cavity depends upon the bandgap of material, while the allowed oscillation frequencies of passive part depends upon cavity length. How these 2...

02 September 2018 726 4 View

Is output current of photodiode a DC or an AC signal?

If an optical signal of 1550 nm wavelength is incident on a pin photodiode, what will be the nature of its output photocurrent ?

18 August 2018 878 23 View

Is there a list of UGC approved community medicine or public health journals in India?

04 May 2018 5,865 5 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

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 are the velocities so high in my Boussinesq approximation Fluent simulation?

Hello, I have a mechanism where air rises due to convective flows. In this simulation, nothing is driving the air except this. I understand that the Boussinesq approximation only works for small...

02 March 2021 4,910 3 View

Is SSRN e-Journal Scopus indexed?

I have publication in SSRN. I want to know whether it is Scopus indexed? Does it show impact factor? What is its ISSN No.?

02 March 2021 4,565 3 View

Why the results when using wall thickness and when using shell conduction are different in ansys fluent?

Actually, I am running cfd simulation for a heat exchanger which has two fluids one hot and other one is cold fluid. there is a solid domain between them, which I removed and instead I have used...

01 March 2021 9,537 2 View

Joint behaviour in Abaqus is not captured well?

I am working on roof joint and trying to simulate the behaviour in Abaqus. I am successful in running the model but the final graph does not follow the experimental curve in the negative direction...

01 March 2021 6,661 3 View

In Molecular Dynamics Simulation, how do I make changes to the force field according to my protein?

Hi In Molecular Dynamics Simulation, how do I make changes to the force field according to my protein? I got this error in the add-ion stage: Fatal error "./ amber99sb-ildn-HHH.ff / force...

01 March 2021 8,747 4 View