I want to extract engine oil from a soil sample,please how much amount of anhydrous sodium sulphate am i going to add to 10kg soil?

Engine oil extraction from contaminated soil,10kg of contaminated soil+20ml of dicholoromethane+? of anhydrous sulphate

01 February 2021 9,509 1 View

What gaps exist in the study of Knowledge Management (KM) relating to Cost Management of construction works or services ?

Researching into Knowledge Management adoption and implementation frameworks in AEC for a developing economy and have been running short of gaps relating to cost management of infrastructure...

11 January 2020 8,784 3 View

How could we provide a constant voltage in the output of the DC/DC converter while getting the best results from the MPPT at the same time?

06 October 2019 8,669 5 View

Is it possible to couple FTIR with UV-VIS spectrophotometer?

I know there are double resonance experiments, mostly based on either photodissociation and fluorescence which are quite expensive. But I wonder if it is possible to do similar experiments in the...

22 January 2019 6,950 3 View

Does combining old and new stock of 16 US EPA Mix PAH affect my calibration plot?

Hi Ladies & gentlemen, Does combining old (500 microlitres(400 microgram/mL) and new(400 microgram/mL)( stock 16 US EPA Mix PAH affect my calibration plot? Am NOT getting a good R squared...

27 February 2017 3,936 5 View

Is there any relation connecting shear viscosity, magnetic field and temperature in quantum hall regime? Especially for 2DEGS (GaAs and bulk Si)?

The Lorentz shear (Hall viscosity) at zero temperature is quite clear. I am interested in the combined effect of temperature and magnetic field on Shear viscosity at/away from Hall regime and away...

07 January 2015 3,436 2 View

What dataset and algorithm should i use in the network anomaly detection using artificial intelligence ?

in the detection of anomaly networks using artificial intelligence, what dataset and algorithm is advisable to make use of?

01 January 1970 5,425 4 View

flexibility of polymers chain

effect of double bond on the flexibility of polymers

07 April 2021 0 0 View

Formulation of polymer color flakes

I am writing to request some information for making polymer color flakes. I would appreciate the help.

17 March 2021 0 0 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

What is the most Operating System (OS) which can be INSTALL on Tiny hard devices like Raspberry Pi (RPi) hardware ?

I'm targeting to deploy a mesh network and manually configure MANET routing protocols. I'm preparing scenarios, architectures, and hard devices needed to do that. Are there some step-by-step...

03 March 2021 1,931 5 View

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 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