Is there an efficient way to sample moths without the need to check the traps every day?

I would like to sample moths during the night in a remote area, so I cannot go there as frequently as I would like to. I would be happy to track changes in moth abundance from week to week. Is...

26 November 2018 576 17 View

Does somebody know/have a meta-analysis of public health campaigns efficacy aiming obesity?

Is there an evaluation on how most of the campaigns are designed?

30 March 2016 903 4 View

Can hydroponic crops produce food-borne outbreak?

Endibe Hydroponic Food-borne outbreak

05 March 2016 8,744 13 View

Would a paper-made psychometric application remains publishable for a I.F. journal?

Nowadays is clearly the advantages of electronic tools (as programs and computers) for cognitive studies and its prevalence in current publications (specially for the neuroscience field). Then,...

16 August 2015 9,212 3 View

Puromycin resistant 293T stable cell line - can anyone help?

I am trying to make a stable cell line that expresses my protein of interest. I have the gene of my protein in a vector that provides puromycin resistant, but I am not sure what protocol to use....

08 September 2013 9,343 5 View

What is your opinion on Google proposal of a survey methodology?

"Many researchers are used to doing multi-question surveys in which the same respondent is asked to fill out a 10+ minute questionnaire. With Google Consumer Surveys, you can run multi-question...

10 September 2012 9,029 1 View

Ho to explain results of a blocked design to a non-statistically trained audience?

I am doing a test using fibers that receive the treatments I am trying to analyse. I test 40-60 fibers and split each fiber in 3 segments, 2 treatments and one untreated control. My data is very...

01 January 1970 7,063 2 View

How can I compare the variability of several test methods?

Here's my situation, I have 3 possible methods to measure my variable of interest. I need to recommend the method that gives the lowest variability with the least amount of effort. The more...

01 January 1970 900 4 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

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

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

Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence?

I am on the lookout for the Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence. Does anyone know where I can find it? Thank you in advance

03 March 2021 3,568 1 View

What kind of fluid could I use for a pitfall trap that also does not invalidate molecular testing?

Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...

03 March 2021 5,978 5 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

Do we need to write protocol for a second study of a systematic review that has been registered and published?

I have conducted and published a systematic review and meta-analysis research with the topic related to public health and health pomotion (protocol was registed in PROSPERO). Now we want to...

03 March 2021 8,920 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