Is Analysis of Similarity (ANOSIM) sensitive to differences in sample size?

Hi there. I want to compare 10 small forest landscapes on which different harvest designs were applied and see how much their attributes (structure, species, soil moisture...) differ. ANOSIM seems...

29 March 2020 5,826 4 View

Is there a way to download all molecules from a published research paper?

Hello, Is there a (preferably free) way to download all molecules (SMILES or SDF) from a published scientific article? Like searching pubchem or chembl or ZINC via DOI or so? I would like to...

05 January 2020 7,542 3 View

How to add a journal ?

Hello, is it possible to add a journal ? (Les Cahiers de Neuropsychologie Clinique) Some of my references can't be complete. Thank you.

08 October 2019 8,622 3 View

What would be an appropriate method to compute the watershed of a lake?

Hi there, I'm wondering what would be the best approach to create the watershed of a lake. I see two solutions here: - Creating the watersheds of all tributaries of the lake and aggregate them,...

02 March 2019 2,527 3 View

Is surface water supply a hydrologic service, a forest service, or a watershed service?

There is no doubt that the access to surface freshwater is an ecosystem service. However, I feel that the many publications on ecosystem services and disservices with respect to the water supply...

07 January 2019 4,166 13 View

What are your tips for obtaining maximum resolution on an agarose gel?

I want to resolve very small deletions on agarose gel. My fragments are ~ 200 bp. What are your tips to get the best possible resolution? Here is what I have already gathered around: - 4%...

18 November 2018 5,740 6 View

What is your favourite long-range PCR enzyme?

I want to amplify a long region of around 20 kb from human genomic DNA. I understand this is around the maximum of what is feasible, but looks possible, at least according to manufacturers'...

17 June 2018 4,218 6 View

I am looking for post-doctoral position that may begin in the fall. Can you help?

I defended my dissertation for the Payson Program for Global Development at Tulane University in May and I am currently working on the required edits. The title of my dissertation is "A...

05 June 2018 3,032 0 View

How to install Neo (Python package for working with electrophysiology) for MAC?

I am wondering if it is possible to install Neo (Python package for working with electrophysiology) http://neo.readthedocs.io/en/0.5.0/ on a Mac. If yes, how to do it?

21 February 2018 2,857 1 View

Anyone using Brookhaven BIC90 for zeta potential measurements. What is the polymer of the Organic Solvent Electrode?

I need to measure zeta potential of dispersions in organic solvent NMP DMF. I can't seem to find the material of the electrode, what polymer and it is compatible with the solvents.

02 January 2018 8,876 2 View

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 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

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View

12% ledeburitic cold work tool steel, etched for revealing retained austenite, any help for clarifying?

Hello everyone. Given microstructure image belongs to a 12% ledeburitic cold work tool steel (annealed and tempered). The sample was etched with picral (100 mL ethanol and 4 g picric acid). I...

02 March 2021 4,119 3 View

Why Austenite grains in steel show much more twinning than ferrite grains?

It is oftentimes said to be a distinctive metallographic trait that differentiates a fully austenitic and a fully felly ferritic steel without etching that might distinguish between two. Why...

02 March 2021 728 2 View

Discrete Phase model (DPM) particle break-up has particle size limits during particle tracking?

Hello, I am currently working on simulating water droplet partciles in a closed room. When I use uniform particles, without "particle break-up", I can carry out the simulation without any problem....

02 March 2021 3,053 2 View

How optimize the Size Exclusion Chromatography?

Hello! I'll do a size exclusion chromatography, but I only have an open column, and I'll perform the peptide extraction from yeast, using buffer lysis (sodium phosphate 50 mM/NaCl 30 mM/DNAse and...

01 March 2021 2,215 2 View

Do anyone here can help us in the field of molecular docking?

We have synthesized various metal complexes with different environment around the metals. Now to see the application of synthesized complexes we need this study also. we are also interested in...

01 March 2021 1,899 2 View

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01 March 2021 3,905 5 View

What test should I use to compare two or three means, if data is not normally distributed but sample size is > 30 in each group?

I personally feel this as a most confusing question. As per my understanding, if sample size is > 30, and sample is skewed, we can still use paramteric approach, as it will follow Z...

01 March 2021 1,587 6 View