I have a balanced panel data of 12 countries and nine indicators. which methodology would give better results and what is the rationale of using it?

I have a balanced panel data of 12 countries (5 countries are developing and rest are advanced economies) and nine indicators. which methodology would give better results and what is the rationale...

03 September 2020 5,417 2 View

Other than the analytical scoring, what is the best way to make the scoring of EFL students' writing performance more objective?

I am working on a study in which I need to adequately evaluate my EFL students' writing performance.

10 December 2018 2,769 49 View

How do I find the ''dopant percentage (at.%)'' during the manufacturing of doped ZnO nanoparticles by sol-Gel Process??

I want developed Ag-doped-ZnO nanoparticles by sol-gel process with different at% (0.1,0.2,0.3) of dopant material so, how can I find this at% of dopant material ?? Thank You.... Regards.

01 December 2018 7,263 3 View

What should be the control variable?

12 November 2018 8,319 2 View

What are the potential health risks due to massive distributed antenna systems in our Neighborhoods? any tips for protection ?

A huge number of antennas (transmitters and recievers devices) systems popping up over the bulding in our neighborhoods, for the internet and communication services. what is the possible risk of...

27 September 2018 7,196 9 View

What precautions should be used when pouring concrete in hot weather ?

Placing Concrete in Hot Weather Caution needs to be applied when placing concrete in hot weather what are they?

07 July 2018 9,165 13 View

What do you suggest of the following to increase the punching shear of a RC slab with the reason?

1_ increasing the slab thickness 2- using drop panel 3- using shear reinforcement 4- increasing the concrete compressive strength:

07 July 2018 5,327 10 View

Do you have training courses to make models for my thesis on climate change and food security in Senegal?

Currently I am a student in Master II at the Faculty of Economics and Management of the University Cheikh Anta Diop Dakar.I finish this higher level with a dissertation whose theme is "the impacts...

01 June 2018 8,422 4 View

What is the best method to extract RNA (including miRNA) from plasma if it is needed for NGS RNA sequencing?

Dear all, Few years ago, I used miRCURY Biofluids from Exiqon for extracting RNA from plasma for detecting miRNA by qPCR. However, this product is currently discontinued since Exiqon is now...

23 May 2018 6,880 4 View

Can you freeze whole blood, and then subsequently isolate PBMCs?

Hi, we are working in a very resource limited setting where the lab resources on site are very basic. We are doing serial blood sampling for drug concentrations, which includes overnight samples....

08 May 2018 746 11 View

Any references about insects or animals that can damage or weathering of rock or fossil material?

Are there any references to insects or animals that can cause damage or weathering to the rock or fossil material? books or paper that would be nice. Thank you very much!

24 February 2021 6,805 3 View

Historical wind data/map?

Hello All, I am looking for the historical wind data/map (mainly the year 2020-2021). I would like to look at the wind value and direction for the specifics locations within the US for the...

18 February 2021 9,543 4 View

Is there any packages or code of MATLAB for solving a system of stochastic delay differential equation?

Hello, Can you help me regarding MATLAB solver for a system of stochastic delay differential equations? To be specific the system is delay differential equation where parametric stochasticity is...

15 January 2021 6,950 7 View

I need a Wind Power Dataset having wind turbine's output power values and corresponding weather data information: wind speed, pressure, temperature?

The dataset is needed for forecasting wind power output using the weather information. I will be much obliged if anyone can share a relevant dataset or link.

04 January 2021 6,344 2 View

Can anyone share machine (generator) data for IEEE 30 bus system?

I require the machine (generator) data for H, Rs, Xd, Xtd, Xq, Xtq, Td0, Tq0 and D; as well as the exciter data (kA, TA, kE, TE, kF and TF). If you can share the machine data file or link, it will...

22 December 2020 2,384 3 View

How weather based insurance is more effective than yield based?

In Nepal, crop insurance and refunding policy is is area-yield /revenue-based and cost of production based. Farmers are partially following crop insurance in comparison to livestock and other life...

07 December 2020 2,127 1 View

Implementation code for MCMC estimation for CIR stochastic differential equation?

Hello fellow researchers, I am doing a research which involves estimating the parameters of the Cox Ingersoll Ross (CIR) SDE using a Bayesian approach. I propose using the Euler scheme in my...

04 December 2020 8,176 1 View

How could you explain that weather is a factor with such contribution in keeping the same level of GHG emissions?

" The IEA report looks at changes in greenhouse gas emissions between 2018 and 2019. It finds that energy-using activities increased in 2019, but the emissions did not increase because of a...

03 December 2020 7,073 3 View

How to determine/select the indices (underlying weather index) of weather-based insurance?

It should not be confused with strike and limit thresholds. In this case, I am emphasizing the basis of the index, such as: -Cumulative, accumulated, deficit and excess rainfall values. -Average,...

29 November 2020 3,084 3 View

Stochastic optimization software?

Hello, I would like to know any experiences about stochastic optimization software or possibility to prepare it in Python for example. I am looking for an optimization process in Revenue...

26 November 2020 856 3 View