How relevant is Mini slump cone?

for all the rheology researchers, my question is, how relevant is a mini slump cone (smaller than a standard 50 cent rheometer). currently based on testing, the thickness of slumped material is...

26 February 2021 3,668 1 View

Can anyone help with an Accurate Diffuser Expansion Loss formula for rectangular shaped diffusers in turbulent flow regime?

I have tried Idelchik's Handbook of Hydraulic Resistance 4th Edition (2007 page 300) formulas and across some range the formulas are reported valid for, the law of conservation of energy is...

20 February 2021 2,504 1 View

No title

In a physiology textbook treatment of reproduction, they describe the Corpus Luteum as yellow as a result of the color of cholesterol. Yet, pure cholesterol is white, and has no structures that...

15 November 2020 7,398 3 View

Anyone written or used code to do numerical integration of borehole curves?

Just learning Matlab and know a little Python. I have some borehole curves, trace element data in ppm and I want to estimate the volume of of the element over a depth interval using numerical...

28 March 2020 9,572 3 View

Viral load hand washing: why not twice instead of once for 20 sec?

Why isn't washing twice a recommendation? When you do an extraction, say of lipid fractions into organic solvent, or really any separation, the increase multiple times is far more effective than...

18 March 2020 5,600 3 View

In which salt's 0.5 Molar aqueous solution at 35 degrees Celsius would Ammonia gas at 1.4MPa have the least solubility? NH3 Molality at 14 or below?

Looking for the salt with the greatest ability to effect the release of Ammonia gas from aqueous ammonia at a pressure of about 1.4MPa (i.e. salt not precipitating out of solution) and at a...

23 February 2020 4,530 3 View

What is the best statistical method to use for analyzing a questionnaire given multiple times?

For clarification, I am doing research on asynchronous mathematics video collaboration between students of different countries. In order to measure this, I designed a 20-some question survey using...

28 January 2020 3,605 3 View

How to find correlation between likert scale and categorical variables?

I am doing a survey regarding people's awareness on fire safety. In Part I, I gather information like gender (2 categories), education levels (5 categories) etc. In Part II, I set 9 questions...

29 December 2019 4,308 3 View

Any methods to make activated carbon and sand into a non-segregating mixture?

just wondering if there are any potential methods to make activated carbon (either granular or powdered) and sand into a non-segregating mixture? open to suggestions.

25 September 2019 284 3 View

Scheduling algorithm for mult-users tasks in a fog / cloud environment?

We consider a 5G architecture consisting of 3 layers: the cloud layer, fog layer and an edge layer (user layer). Our goal is to set up a scheduling algorithm that involves joint processing of...

02 May 2019 1,366 3 View

Do anyone here can help us in the field of molecular docking?

We have synthesized various metal complexes with different environment around the metals. Now to see the application of synthesized complexes we need this study also. we are also interested in...

01 March 2021 1,899 2 View

Is there any one who can provide a donation of HPV detection and genotyping kits in exchange collaboration fors?

Warm greetings My name is Ayichew S. and I am doing my Ph.D. in Medical Microbiology (on Human papillomavirus). At this stage, I have almost completed a clinical sample Cervical swabs)...

25 February 2021 1,660 3 View

How can we assess applied digital skills and soft skills through online examinations during COVID-19 semester?

The final qualification assessment for major programs is a strict regimen that involves different stages - oral and written exams, final project viva, internal and external review. How are ICT...

16 February 2021 1,762 8 View

Solution of 2D convection diffusion heat equation using MATLAB ?

This is a polymer heating problem. Polymer enters at around 180C (x=0) in the barrel. Also barrel initial temperature is 180 (t=0). Some heat Is added along whole length of barrel q. We have to...

15 February 2021 3,887 1 View

An article on the Iranian state's civil liability in the COVID-19 matter needs supervision; Is anyone interested in collaborating?

Hello. An article on the Iranian state's civil liability in the COVID-19 issue has been written in collaboration with a friend and a comparative look at law and biology. The article is ready to be...

15 February 2021 2,906 2 View

Defining effective diffusivity in porous zone and non-porous zone?

Hi all, I am working on methanol steam reforming using packed bed for hydrogen generation. I am using FLUENT software for CFD simulation. In reference paper, authors mentioned that effective mass...

10 February 2021 6,104 1 View

How to match the XRD of a compound for which there is no JCPDS file ? Is there any other characterization to claim the synthesis of desired compound?

I have synthesized LiMgF3 using the starting precursors LiF and MgF2 via solid state diffusion method. Now I am looking for some characterization to claim the desired product, as there is no...

09 February 2021 921 3 View

Which tropical country is the most easy for obtaining research permit (for biological research)?

Dear all, High beurocracy hihly complicate field ecolocial and evolutionary research nowadays. Nearly all tropical countries (maybe all?) requires research permit for performitng research and in...

04 February 2021 3,672 6 View

Why marketers need a forensic understanding of consumers and a creative, agile mindset?

02 February 2021 6,579 10 View

Is it possible to have a diffusion of oxygen from the glass substrate (SiO2) into the absorbent layer during annealing process?

02 February 2021 382 7 View