What is the literary and moral value of obtaining an international award?

When I received the best research award in the Arab world for the years 2009 to 2014,. I felt the resentment and anger of my colleagues even though this award did not have a financial or literary...

08 September 2018 1,442 18 View

How the surfactant is working?

Dear Colleagues Surfactants are used to ensure the stability of any suspended solution. What is the mechanism by which the surfactant can prevent the deposition of the suspended particles in the...

02 March 2018 2,899 9 View

What should you do if your enemy is your direct manager, and he hate you just because you represent the successful person in the institution's ?

First of all, I would like to extend to all my colleagues at Researchgate my best wishes for the birth of Christ and New Year, and wish them and their families good health, happiness and success....

11 December 2017 3,268 19 View

Is it appropriate to work in the research field, if there is no payoff moral and material?

Many of us work in scientific research and spend large sums of money from his own pocket on his research without external support from the university or research center and produces wonderful...

31 December 2016 4,639 13 View

What is the best way to mixing nanomaterials with distilled water in large quantities without allowing him sedimentation?

31 December 2016 1,433 29 View

Can you explain the cold start of an engine works in HCCI mode?

HCCi engines have gain a huge interest due to its low emitted pollutants and high performance compared to diesel and petrol engines. However, till no I haven't find any paper describe the cold...

06 July 2016 690 2 View

What is the best nan-material that can enhance the thermal conductivity of the PCM?

Phase change materials (PCM) characterized by low thermal conductivity which reduce and eliminate its usage in thermal storage. Adding nano-materials can enhance the thermal conductivity of a PCM....

05 June 2016 3,017 8 View

How can the lecturer encourages his students to study, read, doing homework?

How can the lecturer encourages his students to study, read, doing homework:a) by adding higher marks. b) by By discounting the grades from the seriousness student. (By increasing duties and...

05 June 2016 2,455 29 View

What is the most reliable source to get Impact factor of journals?

Source to get Impact factor of journals

01 March 2021 6,654 2 View

Trouble with Charting with Google Earth Engine (Technical)?

Hello. I have a problem with the charting in google earth engine. I created an image collection by combining 5 image collections of five parameters and using ee.Join.inner ( ) and .apply ( )...

26 February 2021 7,084 2 View

Which index or sites are reliable in determining of plant species?

There are many indexes when determining plant species: Plants of the World Online (POWO), International Plants Names Index (www.ipni.org), The Plant List (www.theplantlist.org) and others. But...

26 February 2021 3,404 10 View

How do historians determine the credibility sources in modern history?

For a source to be considered reliable it must contain accurate historical information. But how does one determine the accuracy and reliability of sources in modern and recent history since not...

23 February 2021 1,346 13 View

How can I simulate the optical absorption spectrum of a biomaterial (like DNA or protein) in COMSOL?

I need to simulate the optical properties of a biomaterial, namely DNA, in COMSOL. Basically I need to simulate the IR absorption spectrum of a cylinder filled with a 'concentration' of DNA. I am...

21 February 2021 3,043 3 View

How can we measure the reliability and validity of our survey questionnaire?

We are conducting survey research on COVID-19 misinformation among students. How can we validate our survey for it to produce valid and reliable data? Also, what statistical tools can we use to...

16 February 2021 678 3 View

What does the value 0.498 in reliability?

There are 6 television programmes of different TV genres and their mean and mean ranks are put for each of them. But the reliability value of all the programmes together is 0.498 . So what exactly...

15 February 2021 7,686 4 View

Where can I find a reliable and updated methodology related with the design of spiral heat exchangers?

I need to design an spiral heat exchanger, buy I don't know what reference or bibliography (preferably a book) should I consult in order to get an updated and reliable methodology related with...

14 February 2021 7,910 3 View

What are the popular techniques for pre-processing measurement data in Smart Grid/Power System?

The data collected from various measurement devices often contains erroneous values - such as noise, missing values, etc. What are the popular techniques for pre-processing measurement data in...

14 February 2021 4,642 2 View

Western blot protein of interest falling at a lower weight than expected?

My protein of interest is DAGLa (115 kDa). We received the antibody for this from another researcher who reliably shows bands at this weight. We do see a light banding at this weight, but the...

11 February 2021 6,009 3 View