Has anyone used an inertial navigation system with RTK (Real Time Kinematic)?

INS-RTK modules claim to be close to a cm accuracy, has anyone used one and if so, how expensive can the telematic charges be if I have a case to run it 18h per day?

14 December 2020 6,139 8 View

What are first, second and third cracks (red, green&blue color outline) in crack pattern of RC beams in ANSYS APDL?

Hello everyone, Can anyone kindly explain what is mean by three different colours of cracks in RC beams in ANSYS APDL and the features of first crack (red colour outline) second crack (green...

17 November 2020 2,512 1 View

What should be reason for higher values of Ultimate results for RC beam simulations in ANSYS APDL?

My RC beams experimental ultimate load & deflection was 97kN and 20mm resp. But when I model it in ansys apdl it run continuously up to a load of 140kN and 60mm deflection and still...

02 October 2020 8,747 2 View

Why the solution runs continuously even after reaching ultimate strength of beam in ANSYS APDL?

I am analyzing RC beam in APDL and tried convergence criteria with F=0.05 once then U=0.05 and also tried both criterias simultaneously but what I found is my solution continuous even upto twice...

02 October 2020 1,490 2 View

Need "E.Hognestad;" compressive stress-strain curve explanation?

Can anyone kindly explain in case of Hognestad compressive stress-strain curve for concrete, they have given fc" =0.85fc', but why researchers are use fc"=fc' instead. Where fc" =ultimate...

14 August 2020 7,508 3 View

How to perform Molecular dynamics (MD) simulation for corrosion system ?

Dear researchers, Greetings! Please help me to study surface of Fe(110) with Organic Corrosion inhibitor molecules using Materials Studio software. Kindly give suggestion to create a simulation...

02 August 2020 4,267 2 View

What characterization method is used for realizing different phases in a micron size particle?

12 March 2020 6,331 14 View

Which Fuzzification Technique for Ordinal Dataset ?

I have an ordinal dataset on the scale of 1 to 5 based on household surveys about the intensity of agreement (5 being strongly agreed to 1 being strongly disagreed) of residents about certain...

11 March 2020 6,308 2 View

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28 August 2019 2,091 6 View

How to check stress in main steel at first crack, yield load and ultimate load in ANSYS APDL?

good morning everyone, i need your help once again, As i am analysing RCC Simply supported beam in ANSYS APDL. i run the model upto ultimate failure, now i want to check the stresses in steel bars...

12 June 2019 7,168 3 View

How to separate water from glycerol solvent in a solvent recovery vacuum distillation column?

I am currently doing my third year design project. I have been assigned to design a glycerol recovery column in vinyl acetate monomer production. The process unit before the recovery column is an...

01 March 2021 9,525 4 View

What is the state of the drug inside solid lipid nanoparticles (SLNs)?

I am a little confuse with the mechanism of solid lipid nanoparticles (SLNs). The main point of encapsulating drugs into SLNs is because some drugs have low solubility in water. Therefore, SLNs...

01 March 2021 3,703 3 View

Why is the sum of the elements in a row in a Q matrix equal to zero?

When explaining substitution models, the substitutions are expressed as Q matrix. Why is the sum of the elements in a row zero?

28 February 2021 3,864 3 View

Does different dilution factors affect negatively on NH3 reading ?

I have a sample of treated water sample & asked to obtain ammonia conc. in sample using a machine with 5-25 ppm detection range. However, upon testing with different dilution factors, all...

27 February 2021 8,483 3 View

LEDs on Vis Light photo degradation of MB water sol via N doped TiO2 in a mini flume?

Good day to all, I have no experience with light emitting diodes. I am building a glass mini flume to demonstrate the photo degradation of Methylene Blue in water running over self cleaning...

26 February 2021 4,026 5 View

To date, according to health authorities, 30% of the population's diseases are initiated by drinking water pollution. Do you know this problem?

The main studies are as follows: * regular and timely receipt of information about the state of the environment using automated systems (stationary and mobile); * operational analysis of the...

23 February 2021 912 5 View

Multinomial probabilities and confidence intervals - obtaining the CI of the reference category?

Hi, Some background to my question: I have fitted 1st order multinomial Markov models with covariates. Since all probabiilties (for each row of the transition matrix) sum to 1, I estimate only...

22 February 2021 2,541 4 View

What are some underexplored theories and concepts in Activated Carbon as A Water Filter?

Hi, me and my team mates are currently planning to pursue the topic of Activated Carbon from Coconut as a Water Filter. And we would like to ask for your suggestions and knowledge on what specific...

22 February 2021 6,569 3 View

How to extract water soluble amino compound from after aqueous work up?

4-Dimethyl amino pyridine is used in reaction.Product formed contains amino group along with amide & is highly water soluble. To remove 4-DMAP aqueous work up done. Please give solution. Thanks.

21 February 2021 1,883 1 View

What are some underexplored theories and concepts in Activated Carbon as A Water Filter?

Hi, me and my team mates are currently planning to pursue the topic of Activated Carbon from Coconut as a Water Filter. And we would like to ask for your suggestions and knowledge on what specific...

21 February 2021 7,561 4 View