Solar energy production forecasting ?

Hello everyone! I am interested in the topic of solar energy production forecasting for a ground-mounted PV system of more than 100MW capacity. Can anyone please suggest what are the main data...

08 February 2021 6,834 5 View

Why AC cables are always covered with the sand first and then covered with soil in solar park ?

I was curious to know why we only use sand for covering the AC cables inside the trenches and instead of having good isolation why these cables are covered. Why is there a problem in the trenches...

13 January 2021 6,008 3 View

Error encountered in executing MCE ?

In Terrset, an error encountered in executing Spatial Decision Modeller (MCE). During execution or run the MCE a massage come on the screen that reflects "Your columns and rows are not same" , I...

07 December 2020 1,542 1 View

How to do extract Urban Heat Island separately from LANDSAT image for each land classes?

I have already been read many articles and found some methods but those are not cleared to me. Can you please suggest me how to generate different LST map of each land classes using ArcGIS? Or...

25 October 2020 5,978 5 View

Can someone advise me to do Rietveld Refinement of the material whose Crystallographic Information Framework (CIF) file is not available?

10 October 2020 7,411 9 View

Recombination in Light emitting diode?

Why does recombination release light? It's one thing to say, 'and when the electron drops down it releases light', but it would be another level to explain how an electron dropping down creates...

28 July 2020 2,360 4 View

Has this COVID19 pandemic affected the renewable energy sector ? If yes can we analyse this affects with the help of data science and how ?

As the pandemic has affected each and every sector of the market, so my question is how big it has affected the renewable energy sector. If it has affected then can we have the specific results...

25 May 2020 6,643 7 View

No title

1. Why both models ("cv_mars" and "mars1") produced the same results? What is missing here? Even used another hyper_grid as Please click here https://stackoverflow.com/q/61216514/12675265

27 April 2020 3,876 1 View

How to conduct Monte Carlo uncertainty analysis for actual and predicted data in R ??????

I would like to conduct Monte Carlo uncertainty analysis for actual and predicted data in R; Kindly share some effective resources; However, I have this where understanding the hyperparameters...

08 April 2020 458 2 View

Which model can be used for a mix of I(1) and I(2)?

Dear members, I have a set of five time series. Two of them including dependent variable are I(2) and rest are I(1). Suggest me which time series modelling can be applied in this case? Thank you...

25 January 2020 2,780 3 View

Heat exchanger with liquid Nitrogen as coolant?

I want to cool Natural Gas from 195 Kelvin to 138 Klevin in a heat exchanger by using liquid nitrogen as the coolant medium. When entering the heat exchanger, the liquid nitrogen will have a...

01 March 2021 6,450 5 View

Alternative to mediation analysis?

I am currently working on my dissertation and want to explore the role of competence as a mediator between the effect of colour of clothes on voting intention (focus on Western countries)....

21 February 2021 8,609 1 View

How to prepare electrolyte of NaClO4 salt for Na-ion battery? Any problem with this salt?

Hello, I am trying to make anode for Na-ion batteries. I have no experience with preparation of the electrolyte for any batteries. NaClO4 salt are available and I am planning to use EC:PC as...

21 February 2021 8,132 1 View

Color of spiro-ometad film?

What does the color of a spiro-ometad film indicate? I got purple, green, red, even black color of the spiro film. Is there anything we can get from the preliminary color analysis(e.g. oxidation...

21 February 2021 1,831 4 View

How to get/count refractive index in gasses?

20 February 2021 8,202 6 View

Do you know this error? The experiment was stopped by a potential overload on Vs (auxiliary electrode)?

Hello everyone Do you have any information about this error 'The experiment was stopped by a potential overload on Vs (auxiliary electrode)' in Origamaster software? I tried everything possible,...

19 February 2021 3,152 7 View

Any information about dinitrosalisylic acid reagent end point color stability ?

I work on estimation of alpha amylase activity using dinitrosalisylic acid reagent If i put the reagent to stope the enzymatic reaction and allow the reagent to react with the produced reducing...

17 February 2021 7,402 4 View

Negative result on natural product sample cholinergic assay?

i have been doing cholinergic assay on natural product and for some of the samples, i get negative value for the inhibition activity. can anyone help me explain the meaning of the negative value...

17 February 2021 4,118 1 View

Has anyone performed a colorimetric RT-LAMP assay using Lucigens LavaLAMP kit?

Hi there, my lab recently opted to use LavaLAMP from Lucigen instead of the Warmstart kit from NEB. However, Lucigen has yet to create a colormetric kit for RT-LAMP, and adding phenol-Red (pH...

17 February 2021 5,399 1 View

What is the actual chemistry going on between iodate and ascorbic acid?

I am studying biochemistry at university, as part of the course we do several titration experiments. In our handouts, we were given the following half equations: IO3- + 6H+ + 4e- I+ +...

16 February 2021 8,731 1 View