Are the Ultrasound color histograms representing ultrasound signals in time domain a technical way to evaluate the early behaviour of concrete?

04 April 2018 0 1K Report

Using P-waves and the ultrasound pulse echo method, the evaluation is mainly focuced on the evolution of echoes in signals backscattered by the evaluated cementitious material.

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Hi community, i wondered why does Scopus website not show that some highly impact journals as indexed in 2019?

I'm talking about elsevier, nature and wiley highly impact scientific journals.

31 December 2018 1,125 0 View

The quantity of clay in mixing water for sustainable preformed concrete?

Clayey water is used in african regions as mixing water for concrete preparation. The aim of non destructive techniques wil be to estimate the resistivity and strength of those concrete structures...

08 September 2018 1,615 3 View

Is it possible for scientific journal (indexed in scopus) to publish two volumes per year?

It concerns the journal JEAS (medwells)

08 September 2018 3,259 10 View

What is the difference between special issues and regular ones?

Different journals put different meanings, depending on the field.

08 September 2018 4,703 3 View

Ultrasound Wave attrnuation in hardened concrete: is it principally caused by void absorption or scattering?

Using 1D longitudinal compressive waves

08 September 2018 8,993 7 View

Any idea about the average time of peer reviewing of the Walter DeGruyter publisher journal "High Temperature Materials and Processes"?

I submitted an scientific article to the scientific journal "High temperature materials and processes" hosted by Walter DeGruyter Publisher and it is Under Review. I want to know how many weeks it...

07 August 2018 2,782 2 View

What does the Statue: ME means in the reviewing process of a submitted article?

Submission concerns ScholarOne manuscripts.

06 July 2018 628 3 View

What is the inert liquid that allows us to measure the density of cement powder by pycnometry?

an inert liquid against cement

05 June 2018 1,823 5 View

Is the average sea surface salinity of a ocean region varies depending on the weather in this region?

Are the sea surface salinity data, collected from space using NASA Science Satellite Aquarius, ended on Jun 2015, valid informations to estimate the average surface salinity of a ocean region by...

04 May 2018 7,182 2 View

What effect of Calcium Carbonate CaCO3 on the hydration compounds of the cement matrix, once mixed with water H2O?

Is there any reaction of CaCO3 with the hydration compounds of the cement matrix (C2S, C3S, C3A), when mixed with water, in order to prepare laboratory mortar?

04 May 2018 5,097 7 View

flexibility of polymers chain

effect of double bond on the flexibility of polymers

07 April 2021 0 0 View

Formulation of polymer color flakes

I am writing to request some information for making polymer color flakes. I would appreciate the help.

17 March 2021 0 0 View

Physics: Why do we describe light by referring to its wavelength, but microwaves and radar pulses by referring to their frequency?

In physics, the description of the properties of light generally refers to its wavelength (nm), while in the range of microwaves and radio waves we refer to the frequency of a signal (e.g. kHz or...

03 March 2021 1,682 3 View

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

Anyone plz suggest relevant topic for research in image processing+Deep learning.?

I have selected brain tumor images ...but now found that already lots of research done n this topic.

03 March 2021 5,774 3 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View

Chlorinated organic formation in odor control scrubbers using hypochlorite?

I'm involved in a study of odor control technologies for municipal wastewater treatment plant. One of the control options involves a chemical 2-stage (acid/alkaline) packed bed scrubber. The...

03 March 2021 3,661 2 View

12% ledeburitic cold work tool steel, etched for revealing retained austenite, any help for clarifying?

Hello everyone. Given microstructure image belongs to a 12% ledeburitic cold work tool steel (annealed and tempered). The sample was etched with picral (100 mL ethanol and 4 g picric acid). I...

02 March 2021 4,119 3 View