Model fit on AMOS - confusing RMSEA and CFI scores, how to fix it?

Hello, I am testing a model using three different questionnaires, two of second-order and largely used on the literature and one already validated by me. I have about 1700 participants. I'm...

28 December 2020 2,579 4 View

What can I do with Bioanalyser Ladder Problems?

I'm using the Bioanalyzer DNA 1000 to check my amplicons 16S. But when I run the chip, I can't see the pb scale. Just appeared in x axial the time (s). In the last run the message "not all...

29 September 2020 8,021 4 View

Does anyone have a simple and inexpensive protocol for supplementing seawater for seaweed in vitro (laboratory)culture?

Does anyone have a simple and inexpensive protocol for supplementing seawater for seaweed in vitro culture? I am looking to replace the Provasoli medium with something simpler and cheaper (I have...

10 August 2020 302 3 View

What is the best way to make a ZnO+Ag nanoparticle blend for polymer antimicrobial additivation?

Hello! I am working with silver nanoparticles for antimicrobial additivation of polymers. I synthesize them on aluminosilicate sheets as substrate, and I will now replicate my process for ZnO....

04 March 2018 8,455 3 View

What technique of gel electrophoresis should be used to separate molecules weighing > 1000 kda?

I need a technique to protein evaluation with molecular weight over 1000 kda.

06 February 2018 7,655 3 View

How to obtain a molar ratio 1:1 of Mo:N using NH3 in gaseous phase and MoCl5 in powder form?

I want to get an stequiometry 1:1 (MoN) using NH3 gas and MoCl5 in powder form, so i want to know, how to get or calculate the relation of this two precursors to form my compound. I will really...

10 July 2017 5,478 2 View

What dose of pyridoxine is recommended for nausea and vomiting in pregnancy?

I have read the recent withdrawal of the recommendation to use Diclectin for morning sickness. Pyridoxine is recommended in its place. Diclectin contains 10 mg, but the smallest dose of pyridoxine...

31 January 2017 9,679 4 View

Proteins are not running in the acrylamide gel. Have anybody experienced the same problem?

12 December 2016 5,748 9 View

How can I convert a raster curve to a vector curve?

I want to calculate the length of a fiber in a raster image as accurately as possible. Maybe using a vector curve I will get it.

04 February 2016 5,761 13 View

Does anyone want to study hand functioning of patients with MPS?

I am using Michigan Hand Questionnaire.

04 February 2016 1,508 3 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