What are the conditions on projection operators in order to have optimal L^2 numerical estimates?

Mixed finite element methods employ numerical spaces that are, most of the time, something different than the full P^k spaces (polynomials with order up to k). For example, the BDM_k spaces for...

04 January 2021 2,009 2 View

How can I write a small research article?

I am an undergraduate student of electrical engineering. I want to write an article on any topic related to electrical engineering, environment or both. But I do not know how to write it. I know...

24 December 2020 9,636 4 View

What is the best way to use R to analyze keywords in articles ?

I would like to analyze the presence of certain keywords in several publications in order to appreciate how certain articles contribute to the achievement of the SDGs (The Sustainable Development...

16 October 2020 7,390 3 View

Jornal indexd with SCCI?

what is the best jornal indexed in SSCI and is free to punblish my ariticl about CSR?

19 July 2020 4,895 3 View

How do I choose an appropriate statistical test in SPSS?

03 May 2020 1,018 3 View

How is triangulation used in qualitative data to validate results?

I just want to know your perception regarding the use of triangulation in qualitative research.

20 April 2020 4,441 8 View

How do you start a qualitative research question?

I just want to know what are your own practices in writing a qualitative research question.

10 April 2020 5,702 6 View

What is the reason why older students and teachers do not want e-learning in Arab countries?

What is the reason why older students and teachers do not want e-learning in Arab countries?

30 March 2020 7,545 14 View

How a Solar Shield Disk at L1 Lagrangian Point behaves?

If global warming cannot be resolved by controlling/minimising gas emissions, then extraordinary measures may be the only viable options, one of such ideas is placing a solar shield between the...

02 March 2020 9,557 4 View

What should i know before starting to write a Peer Review?

I want to contribute to the peer review. And I want to know if I'm ready or not to do it.

30 January 2020 8,798 22 View

How to calculate Aridity Index?

It's the measurement of degree of dryness but I'm bit confused with the values. Why is it lowest for hyperarid region and highest for sub-humid?

24 August 2020 8,920 11 View

Can I synthesize the silicon dioxide nanoparticles from desert sands?

Can I synthesize the silicon dioxide nanoparticles from desert sands? What is the easiest and least expensive way to achieve this if it is possible?

02 August 2020 2,222 5 View

Are you looking for an international collaboration?

Hi Everyone, I'm looking for international collaborators, who worked on and has interest in Desert vegetation survey and analysis, to be involved in an work related to that topic. So, if you're...

05 July 2020 6,213 5 View

How do other researchers measure relative quality control in production of ancient Glass?

I find it interesting that there is very little emphasis on uniformity of production when it comes to early glass manufacture. To me, it is an essential ingredient when analysing the differences...

02 June 2020 2,724 1 View

Does anyone knows if is there any open source repository of historical aerial photography that includes the north of Chile?

My PhD includes a remote sensing survey of the Atacama Desert using freely available satellite imagery to detect archaeological sites. So far, I have not found any source of historical aerial...

12 May 2020 1,383 8 View

Is that possible the occurrence of biotite, hornblende, sphene and apatite in the same granite and which type of geological setup is indicate?

My study area is restricted to the central part of Singhbhum Craton surrounding by Iron Ore Group (IOG) belt in the Eastern India, India. In the mapped area meta-volcanic and meta-sedimentary...

14 March 2020 2,801 3 View

Information on porcupines, (Erithizon dorsatum spp.) in arid regions?

I recorded several porcupines throughout the Chihuahuan desert in 2019- specifically in the Querecho Plains. There are few large trees, mainly Western soapberry, ( Sapindus saponaria), found...

08 March 2020 5,900 4 View

What are the most applied solvents to help epoxy resin to penetrate through granite stone?

I'm looking for a solvent that could penetrate epoxy resin (mw~400) into the granite stone

06 March 2020 420 2 View

Can I use data from a soil analysis in another publication if I am using a sample from the same coordinates?

Hello. My team is planning a project using soil from a desert that has been chemically analized already. the publication includes the data from this soil and the coordinates where it was sampled....

01 February 2020 1,275 5 View

What are the methods that can be used to control desert locusts that have invaded Kenya?

Currently Kenya has been invaded by large swam of desert locusts that are destroying both food and cash crops and pasture for livestock. Please may you explain strategies that can be under taken...

30 January 2020 5,879 1 View