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 CROSS CORRELATION FUNCTION of a signal in Excel?

01 January 1970 4,870 3 View

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence?

I am on the lookout for the Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence. Does anyone know where I can find it? Thank you in advance

03 March 2021 3,568 1 View

What kind of fluid could I use for a pitfall trap that also does not invalidate molecular testing?

Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...

03 March 2021 5,978 5 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

Do we need to write protocol for a second study of a systematic review that has been registered and published?

I have conducted and published a systematic review and meta-analysis research with the topic related to public health and health pomotion (protocol was registed in PROSPERO). Now we want to...

03 March 2021 8,920 3 View

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View

Do I need to do linear regression before running mediation analysis using PROCESS MACRO by Hayes ?

I just wanted to check if I need to run a linear regression separately if I am using PROCESS MACRO to run mediation analysis. Thank you.

02 March 2021 4,359 3 View

Sample dilution for quantitative analysis using ELISA?

If the detection range is in ng/ml but the reference range is in ug/ml for a molecule or protein in serum or plasma .how to dilute and what is the initial volume to be taken for quantitative analysis

02 March 2021 7,670 3 View

Is There Any Feasible Method To Test Fluorescent Compounds Other Than Fluorescence Spectrometers ??

Is There Any Feasible Method To Test The Efficiency Of Fluorescent Compounds Other Than UV Spectrometers ? Suggestions Would Be Appreciated !

02 March 2021 5,785 3 View

How to calculate average trend in maximum annual NDVI from MODIS?

I am wanting to calculate the average trend in maximum annual NDVI in Iceland from 2010-2020 using MODIS MYD13Q1 V6. How would I do this? I have currently inserted the NDVI bands from the MODIS...

02 March 2021 752 2 View