Decrease in FT-IR intensity (absorbance) of polymer reinforced with MMT/CNT concentration?

Dear All, Please what could have caused the peak intensity of polymer reinforced with pristine CNT and modified MMT (CNT/MMT hybrid) to be reducing with increase in the nanohybrid filler...

30 January 2020 6,752 6 View

Measuring the electrical conductivity of Polymer/CNT nanocomposite?

How can I determine electrical resistivity or conductivity of polymer nanocomposite? Several attempts using current or voltage generator has proved abortive as all samples reading same value with...

24 January 2020 9,464 3 View

How to calculate the sample size for a microbiota study?

I intend to work on the microbiota of human breastmilk comparing two different collection methods. How do i calculate the sample size?

15 August 2018 3,439 3 View

Quasi Maximum Likelihood

Could someone help me to explain parameter estimation method of quasi maximum likelihood for univariate GARCH model ? If you have a reference about it, please give me the link/ pdf about it. Maybe...

11 August 2017 6,608 1 View

Must 'theta' be normally distributed in constructing a L-sigma control limits of a control chart? Say UCL = E(theta) + L*SD(theta). Any reference(s)?

Probability limits can be used if theta follows say a gamma or beta distribution, but I am not sure of using probability limit approach for some charts like EWMA or CUSUM. I would like to know if...

31 January 2017 5,182 4 View

Can anyone suggest a software for performing groSequencing? .....also I will like to know how it can be done using R?

01 October 2015 1,952 3 View

When it comes the assessing the social impact of major railroad construction, what is the importance of and the limitations on society?

Social Impact Assessment is an aspect of EIA that should be looked into thoroughly when dealing with the social aspect of the environment - not least in that it has an impact on the economy.

16 March 2014 7,372 4 View

hematopoeietic stem cells

Hi to all, Anyone here has experience with hematopietic cell line expansion? I am about to buy one, but I do not know which is good..does any one has recommendation? Past few months, i...

21 November 2009 9,619 1 View

I need to image mesoporous silica nanoparticles that are in ~100 nm size and do high resolution TEM to look at mesopores. what grids should I use?

Need to image mesoporous silica nanoparticles using the TEM. Also, need high resolution TEM images to see the mesoporous structure. Kindly suggest what kind of grids to use. Thanks, Shatadru

02 March 2021 1,787 2 View

Can impedance of antenna be less than 50 ohms?

I am simulating helix antenna in hfss, right now, giving excitation with 50 ohms port. When I see the results of Z parameter (real). It shows lower than 50 ohms. Do not understand, if it can be...

27 February 2021 4,218 7 View

High aspect ratio hexahedral mesh optimization solver?

I am interested in evaluating mesh optimization solvers that converge to high aspect ratio unstructured hexahedral grids. In other words, I am interested in a solver that optimizes warpage,...

26 February 2021 7,279 2 View

How to clean up TEM grid with plasma cleaner?

I need to clean the hydrocarbon contamination on the carbon substrate of TEM grid. However, I heard that substrate could be broken by the powerful plasma. My substrate is pure carbon, with ~3nm,...

23 February 2021 3,262 5 View

Best excel chart to compare algorithms' running time?

Hi I want to compare the running time of robotic path planning algorithms. The grid size is 8X8. I have 100 scenarios of start and goal positions.. Each scenario is run in three obstacles ratio...

22 February 2021 621 1 View

How do I collect online measures in a same-different task?

The same-different task requires to subjects to indicate whether a pair of stimuli seen or heard are the same (say AA or BB) or different (say AB or BA). Researchers often collect offline measures...

20 February 2021 9,226 2 View

Is there any free software for behaviour analysis of zebrafish ?

I need to do novel tank test and light/dark test for zebrafish. So I need a tracking software for tracking in these tests. Is there any free softwares available for tracking of zebrafish ?

16 February 2021 1,541 1 View

Is there any kind of data available for connection properties like signal strength between UE and RAN?

Is there any kind of data available for connection strength between UE and RAN? I am looking for signal strength, the geographical coverage of RAN's in a given Tracking Area, Coverage Area over a...

16 February 2021 1,073 5 View

Are you looking for a quality online conference on teaching and learning technology?

This large international conference will be held online this year due to COVID. I am submitting a paper to the Technology Enhanced Language Learning track (8). It is about a topic I have never...

15 February 2021 1,975 15 View

What are the popular techniques for pre-processing measurement data in Smart Grid/Power System?

The data collected from various measurement devices often contains erroneous values - such as noise, missing values, etc. What are the popular techniques for pre-processing measurement data in...

14 February 2021 4,642 2 View