ANSYS, how is far-field acoustic pressure calculated (from which underlying surface)?

In ANSYS, as in also e.g. COMSOL Multiphysics, you can calculate a far-field acoustic pressure outside the explicit FEM domain. However, whereas in COMSOL Multiphysics you define a certain closed...

04 January 2021 3,076 8 View

Current clinical trials on human ehrlichiosis and the long term effects of this disease/viable treatments aside from doxycyline?

I'm working on a personal project concerning human ehrlichiosis (more common in animals). There isn't much research available that I've found on the long term effects of the disease with minimal...

23 October 2018 3,464 2 View

What does it mean when I see amplification after a qPCR but no peak in the melting curve?

I am a master student doing a project where I am investigating circulating miRNA profiles. I did a mock RNA extraction, i.e. treated RNase free water as if it was plasma, including a subsequent...

26 March 2017 9,986 6 View

Does anybody know where I can find information about productivity of different crops (kgs/ hectare for instance) in traditional agricultural contexts?

I am interested in the productivity that we can expect from different plant resources used in prehistory: - number of fruits per plants or calories/kg per hectare - we are referring not only to...

25 February 2017 9,378 9 View

How to do support vector machine based feature/variable selection?

A question that has been bugging me for a long time is how to use support vector machines for identifying highly important features/variables for a given classification or regression problem? I...

04 October 2016 3,032 5 View

Problems with direct control in Eksigent nanoLC 1D plus, someone can help me?

30 September 2016 2,095 2 View

96-well total genomic DNA extraction protocol suggestions?

We are looking for a reliable and established total genomic DNA extraction protocol for adherent cells on a 96-well plate. Any suggestions?

02 June 2016 791 3 View

What am I doing wrong when in a PCR-products electrophoresis gel the only thing I see are primer dimers, no desired band even in positive control?

I am trying to amplify a fragment of CMV genome from a dried blood spot (Guthrie card) but all I see in agarose electrophoresis gel are primer dimers, no expected band even in positive control. It...

12 May 2016 7,190 16 View

How do we detect CRISPR/Cas9-induced genomic cleavage in heterozygous cell lines?

I'm using the CRISPR/Cas9 gene editing method to target a gene in human iPSCs for mutation correction via the homology directed repair pathway. I want to compare the efficiency of different gRNAs...

10 April 2016 881 2 View

How can I apply a prestress hold in abaqus, while working with just a steel rod?

30 December 2014 10,008 5 View

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View

1. What is the impact of having different scales in a survey? and how can we solve this problem before and after data collection (Literature)?

1. What is the impact of having different scales in a survey? and how can we solve this problem before and after data collection (Literature-based reflection)? Thank you for your time and for...

03 March 2021 2,870 3 View

What degree of missing data in a particular case/participant results in Expectation-Maximisation no longer working?

I'm dealing with a mediation model and am using the PROCESS module in SPSS. Due to SPSS and PROCESS being limited in the imputation methods - being unable to handle multiple imputation - the other...

02 March 2021 4,362 1 View

New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before?

Question to you and THEM, the New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before? There appears to be a core problem for...

02 March 2021 3,024 2 View

Can NFL theorem be valid in infinite search space in ML?

NFL theorem is valid for algorithms training in fixed training set. However, the general characteristic of algorithms in expanded or open dataset has not been proved yet. Could you show your...

01 March 2021 1,189 3 View

Does anyone know how to plot my station to a section plot on Ocean Data View (ODV)?

I made a vertical section plot with WOA .nc file on ODV, and now I want to plot my stations (csv. file) in it. Does anyone know how to import my points to the section? They are two different...

01 March 2021 3,610 1 View

How to address this issue in the analysis of Real-Time PCR results?

To dear Researchers, I was analyzing a series of concentration for estimation of Real-Time PCR efficiency. The concentration was 1:10. I used MS-excel to evaluate Slope. The result of slope was -8...

01 March 2021 8,683 4 View

How to arrange coordinates and extract climate dataset out of MPI-ESM-MR netcdf files?

Have a nice day everyone, I'm stuck in extracting datasets out of MPI-ESM-MR netcdf files because the latitude ranges from -3*10^6 to 3*10^6 and longitude ranges -5,9*10^6 to 5,9*10^6. Plus, the...

28 February 2021 912 3 View