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

What is the bandgap of iron oxide nanoparticles (fe3o4)?

bandgap of iron oxide nano particles (fe3o4)

16 January 2020 6,305 3 View

No title

28 August 2019 2,091 6 View

After a reference from Int J Body Compos Res, can any body help?

Hi, I am after the reference below, my library says it cannot obtain a copy either locally or internationally, any help appreciated! Chris Wang ZM, Heshka S, Wielopolski L, Pi-Sunyer FX, Pierson...

03 March 2021 6,193 1 View

Waters 2707 HPLC autosampler problem?

I am using a 2707 waters HPLC device. When I try to inject a sample, it says missing plate or rack. I changed the needle and calibrated its position but I still get the same problem. I even get...

02 March 2021 1,408 1 View

How optimize the Size Exclusion Chromatography?

Hello! I'll do a size exclusion chromatography, but I only have an open column, and I'll perform the peptide extraction from yeast, using buffer lysis (sodium phosphate 50 mM/NaCl 30 mM/DNAse and...

01 March 2021 2,215 2 View

Precipitate after adding laemmli buffer to protein solution containing Potassium Acetate?

Hi, I am running a size exclusion chromatography experiment with a buffer containing Potassium Acetate as a salt. I analyse these fractions through SDS-PAGE. After boiling my SEC fractions in...

01 March 2021 2,622 3 View

Any research papers for extraction of nutrient deprivation on macroalgae? Analysed by HPLC-UV and GC/MS. Possibly from macroalgae genus Rhizoclonium?

I am doing my thesis on the nutrient deprivation on the macroalgae Rhizoclonium sp. I will be analysing the levels over a period of roughly 5 days by HPLC-UV and GC/MS. I will be using seawater as...

28 February 2021 6,477 1 View

Is there any published or unpublished statistics on dropout rate (Dose1 to Dose-2) for Covid-19 vaccination in India, US, UK or any other country?

Are there any published or unpublished statistics or papers on the dropout rate (Dose1 to Dose-2) for Covid-19 vaccination in India, USA, UK, or any other country where vaccination has started at...

28 February 2021 4,237 1 View

Necessary tube lenght to cool Natural gas in a dry-ice cooling bath?

I have a tank which contains natural gas at 250 Bar and 293 Kelvin. I want to cool the gas in a dry-ice cooling bath to about 195 Kelvin. The gas will flow in a copper-tube through the bath with a...

27 February 2021 8,128 1 View

Exit velocity of natural gas from pressurized tank?

Hi Guys. I'm a mechanical engineer and have a bit trouble, would be very glad if you could help me with my questions. I have a pressurized tank which contains Natural Gas at 200 Bar and 293...

26 February 2021 6,253 3 View

Gas sensor response and recovery time independant of flow rate and chamber volume?

I am trying to obtain the response and recovery times for my gas sensor device. It appears the the response/recovery times are primarily dependant on the flow rate of the gas I inject into the...

26 February 2021 1,511 3 View

Why do a weight decrease for thermal degradation in nitrogen gas condition?

Hi all The question is related to TGA(Thermogravimetric analysis). Thermal degradation easily understood but why do samples weight decrease? altough just binding is broked, the weight of...

26 February 2021 1,100 5 View