Organic acids peak at similar RT using HPLC?

My colleague doing the organic acid detection using pelkin almer HPLC unit, RP-HPLC, UV detector. But she got difficulties because some of the organic acid peak were existed at similar RT...

29 December 2020 2,843 5 View

Does society influence on language or language influence on society? How?

The public question is to all experts of linguists, applied linguists and sociolinguists. This helps to figure out the impact of society in language and the impact of language in society.

28 June 2020 3,048 3 View

How to calculate the sample size in muscle assessment studies?

We usually take the sample size from previous literature while working on muscle function assessment using some non-invasive technique like electromyography or mechanomyography. Any one knows...

06 February 2019 6,425 2 View

In disinfection process, how can a certain disinfectant target only pathogenic microorganism?

I understand that disinfection is to eliminate most harmful microorganisms from objects; while sterilization is to to kill ALL microbes - whether harmful or not. I wonder how can a certain...

14 January 2019 1,836 3 View

Is artemether soluble in acetic acid?

Please explain the molarity of the acetic acid for solubilization of artemether.

22 September 2018 4,728 3 View

Ground water model in agricultural watershed to study the fluctuation in groundwater table because of water withdrawals from wells?

16 May 2017 6,944 9 View

Can we obtain antibody against certain toxin in bacteria and how ?

07 August 2016 7,982 6 View

Lib-SVM Classifier technical question:

22 April 2016 907 2 View

Hi, Does any one can confirm or suggest these two photos are for Bosmina coregoni obtusirostris female and male?

The first one which is female carrying eggs and the second one which I think is a male but not sure!

18 February 2016 270 2 View

What is the difference between Classification Map and Taxonomy Map

I would like to do a systematic review for the literature review but i found 2 maps. 1- Classification Map. 2- Taxonomy Map. What are the differences between them in term of number of papers that...

01 January 1970 9,282 12 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

Is the a way to contol flow (Flow velocity) without impacting pressure value?

I have a pipe with 10 mm in Diameter and 2 bar pressure, the fluid velocity is 200 m/s, the fluid is air. is there a way to reduce velocity without affecting the pressure value?

25 February 2021 7,187 3 View

How to interpolate from a time-series database ?

Hi, I am having trouble with a problem, in the field of Optimal Control and the generation of optimal time-series. Let's consider a system, whose dynamics are represented by dx/dt =...

24 February 2021 9,105 2 View

How to run raise regression in R?

if anybody know how to run raise regression in r, and raise parameter selection, please help me

24 February 2021 8,199 1 View

Bayesian decision trees and bayesian regression trees in Python and/or R?

I am looking for implementation of bayesian decision trees and bayesian regression trees in Python and/or R.. Do you know if the existing libraries support this

23 February 2021 6,689 3 View

Which software is best to analyse multi-phase fluid flows ?

Hello everyone, hope all is good. I want to analyse multi-phase fluid flow through pipe, which software is best to do so ?

21 February 2021 4,230 8 View

Hi all, My research questionnaire has 3 sections each having a mix of yes/no and multiple choice questions. How can I test its reliability ?

The sections are about awareness, practice, and perception regarding waste management. Thanks

20 February 2021 5,722 3 View

What is the minimum number of studies in each category required for a multiple subgroup analysis to be viable in a meta-analysis?

Cochrane Handbook mentions subgroup analyses are only warranted if there are more than 10 studies (I have 28), and if they are distributed evenly among categories of subgroup. I am wondering if...

17 February 2021 3,467 4 View

How should I analyze the multiple scans in Malvern Zetasizer software?

Hello, I am currently using the Malvern Zetasizer software for the purpose of obtaining the size distribution of nanoparticles produced in the lab. When I perform the runs in the software to get...

15 February 2021 4,251 1 View

What is the best way to calculate sample size for a multivariate regression model for adequate power?

GPower is only equipped to deal with calculations of bivariate regressions and needs SD s for both predictor samples. However, if one has a multiple regression with more than 2 outcome variables...

12 February 2021 6,911 3 View