If the microalgae experience stress through transportation. What would be the best course of action to avoid it from becoming contaminated or killed?

I am currently doing an experiment in my faculty lab and I need living micro-algae to be transported from other countries. The samples will be done in Morocco and Spain and they will be sent to...

08 September 2020 4,424 2 View

Can anyone suggest a recipe to deposit thin films of TiO2 on glass substrates using sputtering?

I need to deposit Titanium dioxide (TiO2) on a glass substrate using sputtering, any suggestions for a recipe that can get a uniform coating please

03 September 2020 5,232 5 View

What is the effect of the large scale of behavior particle in a magnetic field?

As it is known there is a magnetic field in large scale universe, so the particle undergoes a magnetic field will be different in case of expanding universe or static one as it will be in the...

13 June 2020 6,258 3 View

Why do I need to calibrate the spectrometer connected to an optical microscope?

I am taking some measurements using a spectrometer connected to a microscope. My aim is to know the spectral position of the resonant peak. As I know, I need to calibrate the spectrometer for...

02 July 2019 8,043 2 View

I need help for implement 3d deployment optimizes in wireless sensor networks in omnet++ or NS3?

in 3d environment the wireless sensor networks can't coverage the area like we want , in my studies i want to optimize the deployment of the sensors for gain the number of sensors , please help me...

18 March 2018 9,276 1 View

On which window was made the fast Fourier transformation because the main frequency is not very precise?

concerning now comparing the CSD to the noise power can you explain to me why should I do this because from what I got from the cyclostationnary spectrum sensor that it is based on the correlation...

20 October 2017 5,278 2 View

Whet is the relationship between the signal measurement noise and the variation in signal distance?

01 June 2016 4,538 3 View

How to choice some trees adapted to water deficiency is difficult in arid lands ? Was the adaptation more interest than genetic expression ?

04 February 2016 6,184 3 View

Can anyone help with a problem in Qst3?

I want ask about the QST3. I make the run and the message Lnk1e in /usr/local/gaussian//g09/l103.exe I used opt=CalcAll and tried Opt=CalcFC both give me the same message.

11 May 2014 2,965 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

Binary Logistic Generalized Linear Mixed model in SPSS. Is it doable?

I want to analyses the proportion of swimming sperm of three species of fish in two salinities. To analyse the proportion of swimming sperm in a Generalized Linear Model, I would use a Binary...

03 March 2021 2,297 3 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

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

1. What is the impact of having different scales in a survey? and how can we solve this problem before and after data collection (Literature)?

1. What is the impact of having different scales in a survey? and how can we solve this problem before and after data collection (Literature-based reflection)? Thank you for your time and for...

03 March 2021 2,870 3 View

What degree of missing data in a particular case/participant results in Expectation-Maximisation no longer working?

I'm dealing with a mediation model and am using the PROCESS module in SPSS. Due to SPSS and PROCESS being limited in the imputation methods - being unable to handle multiple imputation - the other...

02 March 2021 4,362 1 View

What analysis to choose with a large neste dataset and clearly skewed or kurtotic distributions?

Hello! I have a dataset of n=3000 nested within 8 countries with approximately 200 or 400 responses in each country. I originally planned to perform multilevel modelling with 4 dependent variables...

02 March 2021 6,865 1 View

Can NFL theorem be valid in infinite search space in ML?

NFL theorem is valid for algorithms training in fixed training set. However, the general characteristic of algorithms in expanded or open dataset has not been proved yet. Could you show your...

01 March 2021 1,189 3 View

Does anyone know how to plot my station to a section plot on Ocean Data View (ODV)?

I made a vertical section plot with WOA .nc file on ODV, and now I want to plot my stations (csv. file) in it. Does anyone know how to import my points to the section? They are two different...

01 March 2021 3,610 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