Is there any ingredient I an add into formula to slow down gas generation from Vitamin C?

I know Vitamin C is unstable and tends to be oxidized quickly. The problem here is I made a Vitamin C beverage at pH 4-5, and it starts to generate gas in the packaging, especially at high...

13 December 2020 6,055 1 View

Do you have experiences or publications on the nonlinear vibration analysis with Rayleigh-Ritz method?

Our research is turing to nonlinear vibrations of plates and solids of acosutic wave device strcutures. It is high frequency vibration, and associated phononmena can only be considered with...

01 December 2020 4,315 4 View

How can purify amount of ssRNA except gel purification?

06 October 2020 6,771 3 View

Low yield with HCl in chalcone synthesis: Why?

Hello, I can't understand why a low yield is obtained with the use of HCl in aldol condensation in acid catalysis for the synthesis of hydroxychalcone.

28 July 2020 7,853 5 View

Shutdown of the BESA Research 6.0 when I apply the 'Automatic Artifact Correction' to correct artifacts of eye blinks in an 8-channel EEG data.?

Thank you for taking the time to read this. I have an EEG data recorded by an 8-channel wireless system. I want to correct the artifacts of eye blinks using the 'Automatic Artifact Correction'...

06 February 2020 4,744 1 View

What is the most recent agricultural model for grape/berry yield prediction?

Dear all, I am trying to create a machine learning model for grape/berry yield prediction based on some agricultural model, so would be great to hear any suggestions in relation to this area....

14 January 2020 9,008 5 View

How can I calculate band gap of nano metal particle?

I'm studying for nano metal particles. The metal particles diameter is about 5nm. And the particles are stuck on nano wires through UV irradiation. I mean the nano wires are soaked in metal...

08 January 2020 8,807 6 View

How to write a bus signal to workspace in Simulink?

I am facing a problem in Simulink. When I want to write a bus signal to workspace in Simulink, I fail. The next time I use a bus selector to select some signals in the bus and then write into the...

06 January 2020 10,036 3 View

Parameter output in spss for plum procedure, ordinal regression?

my version 26 of SPSS for PLUM ordinal regression, produces an output of parameter estimates that indicates the location but uses categorical codes. My predictor is categorical with four levels,...

19 December 2019 1,232 3 View

Does anybody have a CIF file of psudo-hexagonal phase of Nb2O5?

I need the cif diffraction data file for Nb2O5. The specification for this compound are given below: Chemical Name: Nb2O5 Crystal Structure: psudo-hexagonal a:3.607 b :3.607 c:3.925 I cannot...

02 December 2019 8,756 3 View

Wave velocity and rock density paradox?

Practically it is known that seismic velocity increases as rock density increases, why then does the wave velocity equation involving elastic moduli and density indicate that velocity is inversely...

09 February 2021 1,843 3 View

How can the moment tensor inversion results can present good waveform fit (synthetic and observed waveform) from generalized Cut and Paste scheme?

Depending upon the distance of the seismic station from the epicentre, the quality of waveform data and the improvisation of the synthetic waveform on it is often a question. If the Pnl waveform...

31 December 2020 6,602 2 View

How to solve a finite difference equation with both time and space derrivatives?

23 December 2020 2,764 3 View

How to solve a non linear system?

Hi everybody, I have a non linear system of 9 equations: F=A(F)F+B(F)g(F) F is a 9x1 vector of the unknowns, A(F) and B(F) are 9x9 matrixes which depend on F ang g(F) is a 9x1 vector which...

12 November 2020 9,972 6 View

Petrel- well coordinates issue?

Hi, After loading 2D seismic lines in Petrel, I added three exploratory wells ( which supposed to be within the same 2D area) but these wells appears off the interesting area when I visualized...

25 October 2020 8,272 4 View

In simple terms: to what extent do you believe classicial inversion frameworks provide more "general" estimates than learned frameworks?

This is more of a survey question than a query for precise mathematical detailing. Opinions are welcome!

10 September 2020 6,516 2 View

How the position of band inversion (near or away the Fermi level) affects the electrical transport and thermal properties in semi-metals?

Dear all, Can somebody please put some light on how the position of band inversion, near or away the Fermi level affects the electrical transport and thermal properties in semi-metals? Thanks in...

19 August 2020 5,202 8 View

How to identify the appropriate sites and design a passive seismic survey in order to support the site characterisation?

In the case of overpopulated cities, how I can select the appropriate sites to do some field measurements "Passive Seismic Surveys"? How about the design of the survey in order to study the soil...

04 August 2020 5,253 4 View

Could someone suggest good journal/article realted to energy dissipation through hysteretic behaviour?

Currently I am working on " Quantitative Assessment of dissipated energy from structural components correlation with deformation under seismic loads in low rise building using Perform 3D".

13 July 2020 3,330 2 View

What are the methods that can be used to predict the reasons behind bad seismic quality?

I will be highly appreciated if I get your answers in details.

15 June 2020 4,888 2 View