How to clean PTFE vessel from carbon deposits after it has been used for generating carbon from glucose?

A PTFE vessel was used as a reaction vessel to carbon coat magnetite NPs using glucose at 180C for 12 hrs. The interior of the vessel was blackened by the carbon deposits. It was soaked for long...

09 October 2019 5,570 3 View

Is it possible that someone can lose his/ her mother tongue?

I highly appreciate your comments.

19 September 2019 1,424 9 View

How do you deal with slow learners? What action do you take if you feel that they will be unable to pass your course?

I believe that there are individual differences among students. I appreciate sharing your feedback in terms of how we can deal with very slow learners (slow comprehension).

19 September 2019 4,235 24 View

How do you deal with slow learners? What action do you take if you feel that they will be unable to pass your course?

I believe that there are individual differences among students. I appreciate sharing your feedback in terms of how we can deal with very slow learners (slow comprehension).

08 September 2019 1,934 13 View

What is the marketing chaos and how can it occur in the business environment?

04 May 2019 5,391 1 View

How ethical behavior can be promoted in drug marketing, taking into account the profitability of drug marketing ?

Despite the control imposed by various trade unions and consumer protection societies, we note that there is a patient's exploitation through the drug marketing processes that are supposed to be...

04 May 2019 6,074 4 View

Is it Activated biochar or acivated carbon?

some researchers use the term of activated biochar instead of activated carbon, is it right?

31 December 2018 4,071 7 View

What is the best method to synthesize gold nanoparticles from gold sheet?

Gold nano particles have wide application range. One of the main problems of gold nano particles synthesis is producing well dispersed non agglomerated particles? I greatly appreciate your suggestions

31 December 2018 2,220 6 View

Is it possible to desulphurize shale oil while in gaseous phase using non hydrogen methods?

Shale oil has plenty of sulphur in the form of thiophenes, thiols etc. Its desulphurization is a critical issue for its use. I am really interested in insitue desulhurization during pyrolysis

10 November 2018 7,067 0 View

Prerequest Fundamentals for Robust Control Theory?

Hi, What are the books and/or papaers/reports that are recommended in order to understand fullly the mathematical stuff in the following book: Robust and Optimal Control by Kemin Zhou et...

03 April 2018 7,271 12 View

Is there any rich, publicly available English literary corpus?

Hi everyone. I am looking for a rich corpus in English literature, a one which includes literary prose ( e.g., novels or short stories) . can anyone propose a good one? Best regards Fatemeh

01 March 2021 1,970 2 View

Online surveys for social sciences researchs: what are your opinions about this tool and how can we improve the research design to incorporate online?

Good morning everyone, Due to the pandemic, I conducted several online surveys. It is quite agile, not at all expensive, but there are several problems: the sample's representativeness and its...

21 February 2021 7,457 3 View

Which database is the most suitable for checking English bigrams frequency?

Which database is the most suitable for checking English bigrams frequency? We want to assess the frequency of different English graphemes. Most of the databases that we have checked seem to...

18 February 2021 4,565 3 View

ZnS oxidizes to ZnO!!why??

when I put my ZnS solution in the chemical bath, the ZnS oxidizes so there are ZnO peaks appearing because of the reaction with the oxygen in the air, despite the fact that I close the beaker...

14 February 2021 5,778 9 View

Hi, can a variable in a questionnaire be measured with a series of questions or it has to one question for one variable?

I am doing research on the impact of competitive bidding on project success and would like to use SEM. Project success shall be: cost overage, completion time, quality of works and variation...

13 February 2021 4,413 6 View

Which and How to use teaching strategies and procedures to effectively integrate the four skills while teaching English Language Online?

As an inexperienced teacher in the field of online teaching, I have the fear of unconsciously ignoring one of the skills while focusing on not ignoring the other! Therefore, I wish to make use of...

09 February 2021 5,101 4 View

Can anyone recommend a scale to measure Bloom's taxonomy of learning styles?

I am looking for recommendations of scales (in English or Spanish) to measure learning styles according to Bloom's taxonomy of learning. Thank you in advance!

09 February 2021 1,419 8 View

Why non-specific band appear on T-ARMS PCR?

Hi everyone. We want to know how can I remove the non-specific band amplification on this variant. Although the amplification of non-specific band is not as intense as the band that we want, but...

09 February 2021 588 2 View

What is your opinion regarding opening of school? Now students are supposed to join school. Do you think that decision is in the interest of society ?

From long Pendamic now government is opening school and colleges on for off line classes. What do you think that this decision is fruitful to the students and society too?

08 February 2021 3,068 6 View

How many authors?

Hello, I'm currently finalizing my Ph.D. proposal in Research in English Literature. I still have to apply to universities abroad. My question is can I pick two authors for my research (for...

08 February 2021 6,858 12 View