Dataset: Orbitrap velos CID MS/MS spectra ?

Hi, I want the MS2-CID spectra from orbitrap velos mass spectrometry of organism: human (Mod: C+57) for testing my peptide identification algorithm developed. Large set of orbitrap velos dataset...

16 November 2020 8,261 1 View

Survey on geology ?

Kindly request you to spare couple of minutes in filling up the form/survey. It is for a study/research purpose. Jishnu B...

22 September 2020 7,358 7 View

Why nodal rotational velocities are zero in *STEADY STATE TRANSPORT?

I am performing a Steady State rolling analysis of a tire using input files. I have applied rotational velocity to all the nodes in the tire by creating a set using *TRANSPORT VELOCITY. I want to...

27 July 2020 8,873 2 View

How to find the Covariance of the noise in the result(output value) given the ground truth?

I have a basic doubt in statistics.(I am working with kalman filter) Lets say i get a state variable 'Xt' for each time instance t as the kalman filter output.And for each time step, i also have...

28 November 2019 1,307 3 View

How to develop a ordinal scale? What psychometric properties must be assessed?

I am planning to develop a ordinal scale to assess a motor function like sitting to standing. I like to know method to develop and test its relevant psychometric properties. I will be happy if...

17 July 2019 8,857 4 View

What are some sources for hypothesis in qualitative research?

I have been reading on hypothesis in qualitative research. I find convincing suggestions. most do not cite their sources.

06 May 2019 3,736 4 View

Is there any open source tool to identify peptide from peak list input file using Sequest & Mascot algorithm?

I have an input file containing precursor mass and peak list (m/z and Intensity) of tandem mass spectrum. The file contains multiple spectrum data. I need to identify peptide using sequest and...

09 April 2019 8,354 4 View

Saltspray life of brass plating ( Steel) sample ?

We are doing brass plating for chain plates , Saltspray life to be finalized , What is actual salt spray life of Nickel & Brass top coat .

31 March 2019 2,720 1 View

What are the chemical agents or compounds which designs the nanostructures?

I like to synthesis a nanomaterial,but I have a doubt on choosing the precursor for to get a desired nano structure?

17 October 2018 5,959 3 View

Why BxPC3 pancreatic cancer cells die due to Akt plasmid transfection with Lipofectamine 2000? There is approxiamtely 60%-70% cell death?

14 August 2018 2,624 3 View

How to repeat an operation on an atom selection for multiple times in PyMol?

Hi, I am trying to construct a multi-layer fibril structure from a single layer in PyMol by translating the layer along the fibril axis. For now, I am able to use the Translate command in PyMol...

02 March 2021 4,569 4 View

How to define and get results (stresses) for certain points of a model in abaqus, using python? When the size of the model changes?

I want to do a parameter study of a aixsymmetric cylinder in Abaqus. I want to create several jobs where I get the stresses for 3 different points in my model. These points are defined. I wrote a...

01 March 2021 10,078 1 View

Which is suitable for use with Python? MySQL or SQL Server?

Which is suitable for use with Python? MySQL or SQL Server? What is your suggestion?

01 March 2021 3,422 3 View

Can anyone provide the Support vector regression code structure of LIBSVM MATLAB or python ?

Please, if Gaussian Parameter optimization is possible in this code structure

28 February 2021 278 3 View

How to modify Johnson cook equation in ABAQUS?

I wanted to add an extra parameter to the existing Johnson cook equation in the ABAQUS simulation. How to add those extra parameters. Ref: A modified Johnson-Cook material model with strain...

28 February 2021 4,841 3 View

No module named 'tensorflow.keras.backend.tensorflow_backend' ?

System Description Cuda 11.2 GeForce GTX 1080ti tensorflow version 2.4.1 keras version 2.2.0 python version 3.8 I was getting the below error when I try to run my code on the...

25 February 2021 6,673 2 View

Implementation of chance-constrained optimization problem via scenario approach?

23 February 2021 7,826 2 View

Bayesian decision trees and bayesian regression trees in Python and/or R?

I am looking for implementation of bayesian decision trees and bayesian regression trees in Python and/or R.. Do you know if the existing libraries support this

23 February 2021 6,689 3 View

Are there packages (R or Python) for simple models (bucket?) to assess soil water content?

Hi everyone. I am researching droguht effects on soil water drought. I am looking for already implemented functions in R or Python to estimate soil water content from precipitation,...

21 February 2021 2,084 1 View

How can I retrieve FASTA sequence from gene ID or UID of a Gene ? I have GeneBank IDs ?

I treid to use Entrez Batch, but it redirects me to NCBI site. Is there any script of Linux or Python through which I can download Fasta sequence of list of gene ID ?

21 February 2021 7,783 12 View