How to solve spikes and peaks in interpolated raster surfaces with Kriging?

25 November 2020 9,657 4 View

Long-term forest data?

Does anybody know if some datasets on trees health or growth time series are freely available for Europe? My goal would be to study the climate change between 1901 and 2019 and to compare it with...

30 July 2020 3,201 4 View

What micropollutants can I analyze on HPLC ?

Greetings, I am wondering which micropollutant I may be able to see with HPLC analysis (no tandem MS), for example diclofenac or ibuprofen. I would test on spiked water samples, so theoretically I...

03 June 2020 3,723 3 View

How do you make your analysis scripts 'reviewable' when there is a lot of bulky code repititions?

Hey everyone! How do you make your code readable for other people when there are long chunks of code which you repeat a lot (e.g. the same fancy figure for 10 DVs)? My current solution: I...

12 February 2020 549 1 View

Parallel computing and graphic CPU (GCPU) usage in R, is it possible with ALL R packages?

Hi all, surfing the web I wasn't able to find a simple and effective answer to my question. In other words, I need to speed up a code I wrote using several packages such as raster, rgdal, biomod2...

13 December 2019 1,703 4 View

HPLC analysis - why do I have different area values for the same sample?

Good morning, I am currently doing some standards for my HPLC. My interest compound is butyric acid and I am injecting it in four different concentrations in order to build the standard and the...

15 August 2019 9,049 5 View

Any suggestion for a low volume reverse osmosis filtration system?

Dear all, I am looking for a reverse osmosis system to concentrate a sugar solution at laboratory scale. The volumes I am going to treat are quite small, 10 - 50 mL and therefore I am looking for...

10 June 2019 4,280 2 View

HPLC analysis for VFA - how to correctly do an HPLC run?

Hello everyone, I've been using an HPLC for VFA detection but I have little experience. I'm specifically looking for acetate, propionate, butyrrate, valerate, etc. . I'm working with a c18 column...

28 May 2019 4,152 7 View

Which indicator for goodness of fit?

Dear all, I'm testing 5 different models and I'm using the Absolute Relative Error (ARE) which is (predicted-observed)/observed, the Absolute Error (AE) and the Root Mean Squared Error (RMSE) as...

06 April 2018 6,582 5 View

Do you know anything about possible interactions between proline and mGluR5 glutamate receptor ?

Do you know anything about possible interactions between proline and mGluR5 glutamate receptor ? I have found that proline interferes with other glutamate receptors, but nothing about mGluR5, but...

24 January 2018 5,709 4 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

After a reference from Int J Body Compos Res, can any body help?

Hi, I am after the reference below, my library says it cannot obtain a copy either locally or internationally, any help appreciated! Chris Wang ZM, Heshka S, Wielopolski L, Pi-Sunyer FX, Pierson...

03 March 2021 6,193 1 View

What techniques can I use to determine the miscibility of polymer blends?

The term miscibility refers to the single-phase state in thermodynamics. I do not mean the compatibility of different components. To determine the miscibility I know several techniques such as...

03 March 2021 4,107 4 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

Shall I skip the measurement model in SmartPLS?

Hello everyone, I had run a mediation model in SmartPLS using questionnaires that were already validated among my statistical population. A professor who edited my paper -though she is not...

01 March 2021 3,052 3 View

What is involved in morphological changes of SEM images of a substance?

In the sem analysis of CaCO3 nanaoparticles, the morphology images showed spherical shaped particles but the proposed morphology for these type of nanoparticles is trigonal. I prepared the...

01 March 2021 1,960 4 View

Joint behaviour in Abaqus is not captured well?

I am working on roof joint and trying to simulate the behaviour in Abaqus. I am successful in running the model but the final graph does not follow the experimental curve in the negative direction...

01 March 2021 6,661 3 View

How to define tie constraint between rigid body and another part in dynamic explicit model of Abaqus?

Hi dear researchers I connected a rigid body into the part of my structure by tie constraint and then I added displacement to rigid body, in static general step every thing is fine and these two...

28 February 2021 3,442 2 View

Where to find data on trees in tropical agroforestry?

Hi, I'm looking for data (mainly related to management: growth rate, canopy size, soil and climate preferences, etc.) about tropical trees used in tropical agroforestry. Have you ever heard about...

28 February 2021 7,356 8 View

Good morning research fellows, Has anyone worked with senna alata plant extract on any kind of fish?

Literatures on the piscicidal effect of sennaa alata is scanty. if you have any related litrature either in the bark, leaves or roots used as treatment to any aquatic organism please kindly help...

28 February 2021 9,138 2 View