The type of filter paper used to filter an epoxidized oil (the mixture is an epoxidized oil with magnesium sulfate) ?

I have a mixture of epoxidized oil and magnesium sulfate wich type of filtre paper should i use

21 February 2021 3,944 3 View

How to avoid polypyrrole deposit on counter electrode?

Hi all, Currently, I electrodeposited polypyrrole on carbon electrode but I got some problem when polypyrrole also deposited on the surface of the counter electrode. The concentration of pyrrole...

05 February 2021 2,103 3 View

The critical contribution of chemical engineering?

Chemical engineers translate processes developed in the lab into practical applications for the commercial production of products and then work to maintain and improve those processes. They...

06 November 2020 1,559 2 View

Is it possible to use gas chromatography for the analysis of water contaminated by hydrocarbons?

I am using a gas chromatograph to determine the composition of the petroleum fraction, is there a possibility to do an analysis of water contaminated with alkane rich hydrocarbons?

23 October 2020 9,944 3 View

How to convert WOMAC scale from likert scale (0-4) to Visual Analog Scale (1-100) or vice versa?

I am currently planning to construct a meta-analysis on a supplement for knee osteoarthritis. The primary outcomes include parameters from the WOMAC scale. However, from the trials that I...

17 February 2020 4,760 3 View

Instruments for measurement and control system?

I am planning to develop a test rig to control the valve opening and closing. The input signal for the control system is SSI input from absolute encoder and voltage (up to 5V) from pressure sensor...

06 February 2020 4,911 3 View

DSPACE controller box (CLP1104) communication interface to laptop?

Hi everyone, may I know what is the suitable interfaces to connect dSPACE CLP1104 to the laptop. Can anyone suggest what model (compatible model and brand) of the interfaces and where can I get...

05 February 2020 6,405 1 View

Matlab : kmeans does not accept complex data?

Kmeans in Matlab shows the message above when I dont even hvae complex numbers

19 June 2019 7,955 3 View

K-means for time-series?

Can k-means be used to cluster time series data, for example to cluster operation regime? (Just read a paper that it is possible, but not convince)

17 June 2019 5,154 2 View

Distribution Normality and statistical tests?

Do we need to have a normal distribution to run statistical tests? What about non normal distribution?

10 June 2019 3,026 4 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 is your perception on using visual analysis or quantitative approaches to evaluate data from single-case research designs (n of 1 trials)?

Results of single-case research designs (i.e., n-of-1 trials) are often evaluated by visually inspecting the time-series graph and computing quantitative indices. A question our research team is...

03 March 2021 687 1 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

No title

02 March 2021 3,060 3 View

How to quantitative analize the data of TNBS assay for gelatin?

Estemeed colleagues, I found some issues regarding the quantification of the data for TNBS assay. There are different protocols on how to perform that but it is clear to me the "fil rouge" that...

02 March 2021 2,616 1 View