How to read an HPLC report?

I have four HPLC graphs (for methyl ethyl ketone (MEK) and sulfuric acid and little organic monomers) and I want to analyze them. Is there anyone who can help me with this?

23 December 2020 6,180 3 View

The characteristic length of a vertical sinusoidal wall with natural convection?

What is the characteristic length of a vertical sinusoidal wall with natural convection to calculate Rayleigh number? (x represents characteristic length in the attached formula)

21 September 2020 8,736 5 View

What drag model for simulating a fluidized bed with geldart D particles do you propose?

The minimum fluidization velocity is 1.17 m/s and the average diameter of the particles is 2.6 mm with a sphericity factor of 0.9 I am using an Eulerian-Lagrangian approach and these are the...

02 August 2020 646 2 View

Is it possible to model the non-Newtonian Lubrication in comsol?

I want to know that is it possible to model the Bingham lubrication in Hydrodynamic module or thin fluid film module? or mabey I should use another module? #nonnewtonian lubrication #Comsol...

26 June 2020 1,715 5 View

How can i simulate the non-Newtonian lubricant for Hydrodynamic bearing in Comsol multiphysics?

In Comsol multiphysics, the bearing can simulate by Hydrodynamic bearing or thin fluid film module. But when I want to add a constitutive equation for viscosity the shear rate can not appear as a...

15 June 2020 4,948 3 View

How the transport experts define a transportation model?

a transport model (e.g logit model or ...) is based on statistical data and field works or merely based on mathematical theories or both of them? If I want to define a model ( e.g. a new model in...

19 May 2020 1,768 3 View

Numerical Modelling of Natural Convection using Comsol: 2-Step solution or 1-step?

I am modelling air natural convection in a vertical channel with open boundary end by means of Comsol Multiphyscis. I am interested in the stationary solution. There are two different approaches...

03 March 2020 5,686 7 View

What are proper machine learning algorithms to extract relationship among variables?

I'm dealing with a supervised problem which includes three features. My main purpose is to find the relationship among these features which is complicated. I'm looking for a straight relationship,...

10 October 2019 3,337 9 View

Is it possible to illustrate crowdsourcing as a graph? and is it possible to monitor activities of members of this graph?

Recently, I'm starting a research project about "crowdsourcing" and I've two questions about the nature of crowdsourcing. 1. Is it possible to illustrate crowdsourcing as a graph? I mean is it...

23 September 2019 5,446 3 View

For a Multiple Effect Desalination system (MED), how is it possible to evaluate the real capital cost as an industrial case??

for a Multiple Effect Desalination system (MED), how is it possible to evaluate the real capital cost as an industrial case?

12 June 2019 2,456 1 View

Could you recommend any books about Number Theory?

Beginner level books. High level books. Analytical Number Theory. Algebraic Number Theory. Combinatorical Number Theory. Books about partitions. Books about primes.

03 March 2021 7,174 5 View

Arena simulation - how do i model the following model in ARENA (see description) (new to ARENA)?

Hello, I'm fairly new to ARENA and I have the following problem: I have two queues in which, in each queue, a different order type arrives (both having an arrival rate of exponential 10). Order...

02 March 2021 2,431 3 View

Is there a powerful system for the security of the systems distributed on IoT systems?

Is there a powerful system for the security of the systems distributed on IoT systems?

02 March 2021 3,858 10 View

Do you know any MR image dataset?

I would like to research on MR images (0.5T and 3T). Can you please suggest some websites that I can download dataset including both 0.5T and 3T MR images? Thank you.

02 March 2021 7,735 3 View

Do you know good and user-friendly programs to measure plant quantitative traits?

For my research i will need to measure plant quantitative traits (especially leaves area and roots length, but would be nice to add some more information). I recently discovered...

01 March 2021 5,035 2 View

Any suggestions for a website that allows you to create questionnaires and gather unlimited data (Totally free)?

I have found only four of them; www.surveyplanet.com www.online-anket.gen.tr www.surveey.com and of course google forms. Expecting to see your suggestions if there is any. Thank you

28 February 2021 3,237 3 View

What is Flat Lens Antenna?

28 February 2021 5,433 3 View

Can impedance of antenna be less than 50 ohms?

I am simulating helix antenna in hfss, right now, giving excitation with 50 ohms port. When I see the results of Z parameter (real). It shows lower than 50 ohms. Do not understand, if it can be...

27 February 2021 4,218 7 View

What are the application of Fixed points thoery in Chemistry.?

It is said that fixed point theory has lot of applications not in the field of mathematics only but also in various areas. So I am looking for applications in Chemistry only..

26 February 2021 3,533 1 View

How to calculate battery consumption for IoT device?

Hi, everyone I'm working on a privacy-preserving algorithm that will apply to IoT devices. So, I need to measure the power consumption by implementing this algorithm. Any suggestion, advice,...

25 February 2021 8,749 6 View