How to filter out 50 Hz frequency from given signal?

Dear Researchers, I have sample signal (attachment). Another 50 Hz signal is built into this signal. How to remove the 50 Hz frequency from that sample? Thank You and best regards.

10 November 2017 9,980 4 View

What is the range of pressure drop across the air distributor in fluidization of particles?

I need to select pressure sensors for a laboratory system where I fluidize particles from 1 to 10 mm in diameter and 1 to 2 g / cm3 in density. The fluidised bed is narrow and shallow. What are...

08 September 2017 7,865 3 View

Why flat plate solar collectors with tubbing are more popular then with corrugated plates?

Hello, Flat plate solar collectors with tubes soldered to metal sheet (absorber) seem to be more polpular. More efficient way to collect solar heat with the use of two corrugated plates as...

04 May 2017 6,167 0 View

Is there anyone who made research on two-phase flows, especially process visualization in correlation with pressure drop or heat transfer?

Dear researchers, I am interested with the research of the simultaneous visualization and pressure-drop measurement of the two-phase flow in transparent channels. I am looking for cooperation with...

10 November 2016 4,256 5 View

Which equation is best for heat transfer during impact of single solid particle to curved surface?

Single hot solid particle hits the outer surface of the tube. Heat is transfered from the particle to the tube's wall. The equation should include porosity, shape, diameter of the particle. Which...

10 November 2015 2,232 3 View

How to perform an autocorrelation FUNCTION of a signal in Excel?

01 January 1970 5,236 3 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 to address this issue in the analysis of Real-Time PCR results?

To dear Researchers, I was analyzing a series of concentration for estimation of Real-Time PCR efficiency. The concentration was 1:10. I used MS-excel to evaluate Slope. The result of slope was -8...

01 March 2021 8,683 4 View

Can I download BibExcel for MacOs?

Hi everyone, I would like to ask how I can download BibExcel software for MacOs? There are some links which are supported by Windows but I could not find it for Mac. or is there any other software...

01 March 2021 652 1 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 a deep reason for using the squared modulus of the wave function as the probability density of the existence of the particle?

I think we were all surprised at the first time we got to know quantum mechanics that the squared modulus of the wave function is the probability density of the existence of the particle? The role...

28 February 2021 6,282 9 View

Do you kow of any database containing data on retention time, log P and polarizability for a large number of molecules?

Hi, I am a chemistry undergraduate doing my dissertation project on HPLC. In my project, I need to predict the HPLC retention time of 20 aromatic molecules, the calibration set. To do this I will...

24 February 2021 2,602 1 View

Any easy method of analyzing vitamin D in foods by HPLC?

Looking for method of extracting and analyzing vitamin D in foods by HPLC

24 February 2021 7,524 7 View

Anyone with some Transgenomic Wavemaker software? Seeking help from the chromatography community?

I am trying to seek out some Transgenomic Wavemaker software (happy to purchase a computer too) to operate a fraction collector. The only way to connect to the fraction collector so far is to...

23 February 2021 9,181 1 View

What HPLC Marker(s) should be used to detect anthocyanins in a sample?

What HPLC Marker(s) or standard is used to detect and quantify anthocyanins such as Delphinidin, Cyanidin in a given sample of plant extract?

23 February 2021 1,832 4 View

Best excel chart to compare algorithms' running time?

Hi I want to compare the running time of robotic path planning algorithms. The grid size is 8X8. I have 100 scenarios of start and goal positions.. Each scenario is run in three obstacles ratio...

22 February 2021 621 1 View