Please, I need a manual regarding the installation Eddy Covariance flux tower system .?

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Does different dilution factors affect negatively on NH3 reading ?

I have a sample of treated water sample & asked to obtain ammonia conc. in sample using a machine with 5-25 ppm detection range. However, upon testing with different dilution factors, all...

27 February 2021 8,483 3 View

How to estimate/know plant virus concentration to make a standard curve in ELISA after serial dilution?

Hello, I am trying to know tomato virus titer/concentration in samples and I will perform serial dilution of the positive control. I wanted to ask How to estimate/know plant virus concentration to...

13 February 2021 6,534 4 View

Hi, I have a question about the calculated band structure for 2Dmaterials?

please help me to choose the best source and theoretically calculate band structure for 2Dmaterials( graphene, MoS2,...)? thanks a lot.

12 January 2021 2,748 3 View

How to determine the dominant orientation of collagen fibers.?

what is the best method to determine the dominant orientation of collagen fibers? i preformed FFT and shited the frequencies , what should be my next step ?

24 December 2020 3,360 3 View

What is the best Machine learning method to extract collagen bundles features ?

what is the best machine learning method , to segment and extract the length , angle and the size of collagen bundles pictures obtained from the human cornea?

07 December 2020 336 6 View

Where could I find IoT devices location dataset in supply chain environment?

I am doing research in permissioned blockhcain more precisely permissioned blockchain application in some sort of supply chain environment involving IoT devices for which I am looking for IoT...

14 September 2020 5,748 3 View

How does peak broadening in XRD relate to residual stresses in thin films ?

The shift in 2teta angle of XRD peaks is related to stress in the film. But for peak broadening how is it related to stress ? Thanks

09 August 2020 532 6 View

Do all random access procedures and packet transmission in NB-IoT happen during one Nprach_periodicity?

Hi all, I have two questions about random access procedures of NB-IoT In NB-IoT, Nprach-Periodicity is the amount of time between two consecutive random access transmission attempts. Random...

01 May 2020 7,684 5 View

What are the best resources to learn cuda programming?

Friends, I have a lot of C programs that I would like to convert to Cuda for performance enhancement but I am facing a lot of problems doing that. So I have decided to learn more about Cuda as my...

26 April 2020 2,925 4 View

Fail Safe N, Orwin method?

I need to calculate Fail-Safe N of my meta-analysed studies. I am having difficulty in understanding Orwin's method. Can anyone please elaborate with the help of an example?

03 March 2020 7,403 3 View

How can I set up a good fit SEM model in AMOS?

I am trying to make an SEM model in AMOS for my dissertation but having some trouble with getting a good fit. I am looking for relationships between self-efficacy reported on a Likert scale and...

26 February 2021 8,642 4 View

Help with assigning pressure boundary conditions in FLUENT on a large structure?

Hello, I created a very tall tower (>1000m) and applied pressure boundary conditions at the inlet (bottom) and outlet (top) that correspond to the pressure are their relative altitudes....

22 February 2021 9,972 4 View

Is it possible to obtain a negative cronbach alpha?

Good evening everyone. If a questionnaire has 4 factors measuring different constructs as for example CAMI questionnaire measuring attitudes toward the mentally ill that has four factors:...

18 February 2021 3,223 3 View

Can I use a categorical covariate in a Generalized Linear Model in SPSS v.26?

Hello everyone, hope you are well. I am planning to use a Generalized Linear Model in SPSS. I would like to add gender to the model as a covariate, however from what I have read, only continuous...

14 February 2021 8,937 4 View

When to include covariates?

Hi it's me again! Coming to you with a question about including covariates in a model. So I'm running a mixed effect model in my longitudinal imaging data. I have 4 possible covariates to...

11 February 2021 1,404 1 View

How reliable are degrees of freedom for lme mixed models in nmle package?

I am running mixed models analyses because I have participants nested in groups. Across the different analyses, I have very different degrees of freedom in the lme output with nlme package (and...

09 February 2021 6,767 3 View

Does SSMPCA toolbox (scanvp) provide a module to perform the bootstrapping procedure to estimate the reliability of the covariance pattern?

I'm learning to perform the multivariate covariance analysis with SSMPCA toolbox (scanvp/ssmpca, www.feinsteinneuroscience.org). The step-by-step procedure to obtain covariance pattern and...

08 February 2021 2,383 1 View

I have a problem with sensible heat flux (H) iteration process in Sebal model?

In each iteration, I get the same value of H for different values of aerodynamic resistance and the temperature difference between two heights. Do the results make sense? Is it necessary to adjust...

07 February 2021 8,953 2 View

To what extent do I need to justify my control variables?

Hi everyone, I am writing a research proposal for my masters applications and am in dire need of guidance. I suggest to quantitatively investigate the potential correlation between feminist...

05 February 2021 3,666 8 View

How to obtain confidence intervals in Amos?

Dear all, I would like to know your opinion on the following issue I am struggling with. I am estimating a multigroup model with several factors all correlated among them (they represent...

04 February 2021 1,381 4 View