Why do we need a 3-factor authentication between a mote and the user while the IoT is based on devices taking without a computer or a user interacti?

The definition of IoT is "The internet of things, or IoT, is a system of interrelated computing devices, mechanical and digital machines, objects, animals or people that are provided with unique...

17 November 2020 2,298 3 View

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I am working on FloEFD for simulating a non-newtonian flow of polymer melt. To add the properties of the fluid the software uses the equation in file (1) I have the parameters for another form of...

23 March 2020 7,829 3 View

If I going to do analysis in PLS SEM, is it necessary to do normality test?

I'm going to analysis my data in PLS-SEM and I want to know if it's necessary to do normality test. as we know, the result from PLS-SEM does not effect by the distribution of the data, therefore...

16 May 2017 8,925 8 View

How to compare uncertainty matrices?

I have two uncertainty matrices, this could be x-y position uncertainty. Is there a metric to determine the improvement of one over the other? How can I pick the most confident measurement given...

23 February 2016 2,989 3 View

Asking about cell derived microparticles -size calibration kit in flow cytometry?

18 June 2015 8,059 9 View

Is there any way to detect ammonium sulfate (NH4)2SO4 concentration in a solution?

It's required to detect the concentration of ammonium sulfate in a solution.

25 September 2014 9,824 10 View

How can X-ray diffraction be used to determine the crystal structure?

Can you give an example if any?

04 May 2014 2,621 20 View

What are the corrections that should be brought to Sommerfeld theory in order to accurately describe the electrical properties in a material?

Is this related to Bloch's theorem and how?

04 May 2014 1,232 4 View

how does DNA sequencing device determine the F and R primers in PCR product?

i have two files from the DNA sequencer one for the foreword strand and the second for the reverse strand how the device separate them and does it can recognize the direction of the primer

06 April 2014 5,730 4 View

What is the perfect length of 16s rRNA gene suitable for an accurate species identification of unknown isolate?

Molecule identification of unknown is very helping tool using 16s rRNA gene analysis. In some cases the output file only contains about readable 600 base pairs. Is that enough to identify the...

28 February 2014 5,315 17 View

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02 March 2021 3,060 3 View

How to normalise data on OPM package from R Studio ?

Good afternoon, I recently used OmniLog from BIOLOG for my experimentations : I tested the metabolism of different strains on 2 types of plates. I have 16 strains of 3 different groups...

02 March 2021 3,584 1 View

Where to find data on trees in tropical agroforestry?

Hi, I'm looking for data (mainly related to management: growth rate, canopy size, soil and climate preferences, etc.) about tropical trees used in tropical agroforestry. Have you ever heard about...

28 February 2021 7,356 8 View

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28 February 2021 9,936 2 View

When is it unnecessary to change organisational culture?

As a former management practitioner, I recall a generally accepted view that changing organisational culture is difficult, so you should only attempt it if the organisational change that you are...

27 February 2021 2,595 8 View

The Shannon's index is inversely proportional to Simpson's index (1-D)?

I'm having a problem with my bloxplot with Shannon's and Simpson's indexs. The value of Shannon for my Community 1 indicating higher diversity (in relation of the Community 2), but have lower...

26 February 2021 3,033 9 View

How to compare 2 samples recruited with different sampling methods?

If I want to compare characteristics of 2 groups of patients, one group is recruited from a random sample of the general public while another group is from a sample with a fixed gender (male to...

26 February 2021 3,526 3 View

Does RNAiMAX transfection reagent work in serum free medium?

I diluted siRNA and RNAiMAX in opti-MEM and added to the cells which they were in the growth medium. Is it a right way? or should I culture cells in the opti-MEM medium for a while and not in...

26 February 2021 10,041 3 View

What is the best surface to culture cells isolated from a skin biopsy?

Hello, recently I am having some difficulties with maintaining the cell culture of primary cells isolated from a skin biopsy (normal and malignant). The coating of culture plates with Matrigel (a...

26 February 2021 6,151 2 View

Has anyone used the Illumina ITS1 primer sets?

Hi everyone, Illumina provides a list of primers to amplify with high taxonomic coverage the ITS1 region for further fungal sequencing, but I cannot find the exact amount necessary of each...

25 February 2021 6,969 3 View