How to measure the internal resistance of a lead acid battery during discharge?

How can we efficiently measure the internal resistance of lead acid battery during discharging?

13 July 2019 5,583 1 View

PEG and drug loading on selenium nanoparticles?

I have coated my SeNPs with PEG and paclitaxel drug. It was characterized using UV, to check for coating by absorbance peaks.I absorbed a shift in the peak. Is there any possible explanation to...

21 November 2018 3,328 3 View

Does tumor studies in animal require 3 independent experiments done in 3 separate times?

I was having a discussion with my colleague regarding the idea of independent experiments. Is it that every mice with a distinct tumor an independent experiment or does independent experiment mean...

29 October 2018 6,949 2 View

In the absence of laboratory test or field data, how can we determine the value of coefficient of consolidation for analytical methods?

My research involves comparing the results of finite element analysis ( using ABAQUS) with analytical results. The problem is drain induced consolidation in embankments.

15 September 2018 1,254 3 View

How do we calculate the Trees correction coefficient (alpha) for Mn2+ in a d5 configuration?

I'm trying to calculate the spectroscopic parameters for Mn2+ doped ZnAl2O4 such as B, Dq, etc. For this, and to solve the Tanabe Sugano matrix, I need to compute the Trees correction coefficient...

10 May 2018 2,708 2 View

How to increase yield of green synthesized nanoparticles after centrifugation.?

I am working on green synthesis of selenium nanoparticles, the yield of the nanoparticles is very low after sonication and centrifugation. can you suggest ways to increase the yield?

14 September 2017 4,227 6 View

NASA is planning "touching the sun". How close to Sun can life "in any form" exist?

04 June 2017 885 2 View

What are the differences in cell functionality assay between reverse transfection and standard forward transfection protocols?

I am currently having problems performing my cell functional assays since when I reverse transfect my cells (HUVECs) my knockdown displays high cell death. In contrast when I transfect them by the...

18 February 2015 1,023 8 View

At what position does sgRNA cleaves in human or any organism DNA?

SgRNA is a genome editing tool which has been predominantly used for genome editing and recently integrated with Cas9 system. It would be really great if you could tell me at what place site does...

29 September 2014 6,800 7 View

What are the current views and thinking on Physical Reality and Physics?

18 September 2014 3,827 16 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

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

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 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

Which statistical method should i use to compare the independent variables of 2 linear regressions?

I have an enormous dataset and for each row, I have a predicted value, and in the same row, there are a few characteristics(independent variables). I have set an ideal linear regression for this...

11 February 2021 8,761 6 View

How to deal with multidimensional predictor in multiple regression?

I am investigating the influence of Trait Emotional Intelligence(TEI) and Communication styles (specifically Precision and Expressiveness styles) on Academic performance. I am now in a fix as to...

10 February 2021 7,630 3 View

Best analysis method to use for my variables?

I need to conduct an analysis and wanted to check if my idea for analysis sounds feasible. I have 3 DVs which are; fear of terrorism, confidence in the police and punitive attitudes towards...

07 February 2021 5,746 10 View

Need a research paper for multi speaker and single microphone acoustic echo cancellation?

Hi, I am working on a problem that involves multiple smartphones/tablets. All devices are playing the same sound with synchronization difference up to +- 5ms. Now, there is an echo issue and I...

02 February 2021 5,929 3 View

How to interpret significant correlation, but insignificant model in multiple regression?

I did a multiple regression analysis with IV1 (independent variable 1), IV2 (independent variable 2) and DV (dependent variable). There were two models. Model 1 only contained IV1 and DV and for...

26 January 2021 8,686 3 View