What is the procedure to determine the permeability of concrete?

can anyone help me in this, it will help me with my research work

01 March 2021 834 3 View

Please help in identification of this insect?

This insect is minute in size around 1 mm and not clearly visible with naked eye.

22 February 2021 5,907 11 View

For acid treated montmorillonite clays what will be the result of surface area?

The organo montmorillonite nanoclays modified with octadecylamine were used for the experiment. After acid treatment, the surface area will be increase. However, in my experiment, the surface area...

10 February 2021 1,581 3 View

How to plot the significance level using line or dot pattern over a raster data plot in R usign base plot function?

After plotting the raster data using the plot() function in 'R'. How can we plot the other layer overlayed with dot/line pattern in place of color fill as shown in the picture...

06 January 2021 5,865 4 View

How to calculate thermal stress in cylinder if water is flowing inside the cylinder?

How to calculate thermal stress in stainless steel cylinder if water is flowing inside the cylinder?

14 October 2020 905 2 View

Can I add my research work in my profile "Solar Energy Assisted Synthesis Of Zinc Oxide Nanoflowers"?

Want to add my research work in my profile "Solar Energy Assisted Synthesis Of Zinc Oxide Nanoflowers"?

12 October 2020 9,511 2 View

In most of perovskite solar cell SCAPS simulation, Why does the value of donar density used to keep zero?

Perovskite is an Intrinsic semiconductor which comprised equal no.of hole and electrons concestration under thermal equilibrium condition. However in most of the perovskite solar cell SCAPS...

30 September 2020 1,023 5 View

The ratio of hypocholesterolemic/hypercholesterolemic (h/H) fatty acids?

The following equation is generally used for the calculations of the ratio of hypocholesterolemic /hypercholesterolemic (h/H) fatty acids, or h/H fatty acids index (Santos-Silva et al. 2002;...

24 September 2020 9,939 5 View

Could anybody tell me what is the electronic affinity and charge carrier mobility of the ZnSSe semiconductor?

ZnS+ZnSe = ZnSSe alloy, or Even methods of how to calculate these parameters are welcomed.

23 September 2020 4,990 3 View

For assessment of the bird diversity, is there any rules such as the survey should be carried out for this number of days per month or not?

I carried out bird survey twice a month ( at interval of 15 days) for 8 months period following same transect line and point count stations. Is there any hard and fast rule or standard procedure...

13 September 2020 348 1 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

Looking for Materials with high thermal expansion coefficient and high temperature resistance?

03 March 2021 8,272 1 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 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

Research on Supply Chain Management in Indian context?

Hi, I am planning to apply for the PhD degree in the Supply Chain Mgt. with specific area of "Cold Storage warehouses" during Pandemics and wars. Where lock downs and shut downs are frequent....

02 March 2021 285 2 View

Which is a lucid standard comprehensive book to guide on psychological scale construction and its standardization?

02 March 2021 7,082 3 View

How to grow E.coli on the low salt LB agar plate with 50 or 100ug/ml of Blasticidin?

Hello, I would like to ask how to grow E.coli which resists 50 or 100ug/ml of Blasticidin. I have tried many methods by using low salt Luria-Bertain(LB) agar plate. However, no colonies grow. Let...

01 March 2021 2,027 2 View

How Can I bring as much common elements in steel as possible to calculate stable phase(s) in OpenCalphad?

As I was tweaking step-by-step OpenCalphad6 Macros step1.ocm involving phase and thermal property calculation of a High-speed steel, I could not incorporate more than 6 elements in the steel...

01 March 2021 8,840 1 View

How can you bring two structures together to create an adhesive bond in LAMMPS?

I have created an Ice 1h crystalline structure and an Aluminium substrate structure and equilibrated both at 250K. Now I need to bring them together in a way that an adhesive bond is created....

01 March 2021 3,325 2 View