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

Why almost every element would be metallized in sufficiently high pressure and low temperature?

(This statement is from wikipedia, BTW). What is so special about metallic bond that is limiting high-P low-T state of a matter (as long as individual atoms exist, not white dwarf of neutron star...

02 March 2021 3,309 2 View

Why am I not able to use all VEP programs for the in silico analysis of avpr1b SNP's?

Good day researchers I am busy analysing the predicted effects of certain SNP's in AVPR1b. When using the VEP prediction programs (SIFT, Polyphen, FATHMM, LRT, Provean, Mutation Assessor, and...

28 February 2021 5,197 1 View

What is the difference between genotype and haplotype data in the ped format?

Hi everybody In the ped format for genotype, alleles of any SNP are represented by two columns (one for each allele, separated by a space). Is a column sufficient for the haplotype to...

27 February 2021 1,965 1 View

Trouble with Charting with Google Earth Engine (Technical)?

Hello. I have a problem with the charting in google earth engine. I created an image collection by combining 5 image collections of five parameters and using ee.Join.inner ( ) and .apply ( )...

26 February 2021 7,084 2 View

How does an AC-DC power supply Flyback Converter Based USB Charger Model using Matlab/Simulink looks like?

I am required to learn about Flyback converters and I got stuck not knowing to full design of the power supply flyback converter Based USB Charger Model using Simulink, especially the design model...

25 February 2021 5,435 2 View

Can I use TCA instead of TFA for protein analyis in RP-HPLC?

I am trying to analyze lipase using the reverse phase-HPLC C18 column. In the literature, 0.1 % TFA was and 60% ACN was used. Can I use TCA in place of TFA? If any other methods are available to...

25 February 2021 2,388 3 View

I have need of XRD graph analysis software for phase identification. Can you please provide links for software tools which can be downloaded?

i am trying to download x'pert high score software, but can't download it. please do suggest software for phase analysis

24 February 2021 5,687 4 View

What is the error of the Txy diagram?

Hi, I know the attached Txy diagram has an error but can't figure it out. Could you please look at the diagrams and explain it to me?

23 February 2021 4,239 1 View

In frequency domain alpha band(8-16hz), beta band(16-32hz), gamma band(32-64hz), sub-band(64-128hz) are same as LL,LH,HL,HH in wavelet decomposition?

I am working on single trial motor imagery data i.e. EEG data. I am following a paper which has a dataset from BCI challenge IV (dataset 2b). After removing noise and extracting all the data from...

23 February 2021 5,503 1 View

Suppose we have a banana seller cart consisting of 4 wheels, weighing about 300 kg. How much torque motors are needed to pull of push it electrically?

I am thinking of electrifying the street food carts while harvesting energy using solar panels on top.

22 February 2021 4,323 3 View