Heat flux and heat losses on a thermal conductivity measuring device?

Hello, I am currently working on the design of a device that measures thermal conductivity of sediments and I am not sure if i estimated heat losses and heat flux in the correct way. The device is...

23 September 2020 8,119 6 View

Will exercise/physical activity in remote mode become a trend due to COVID-19 outbreak? any available evidences?

Given that fitness centers and other training locations are temporarily closed, it is possible to see some opportunities for physical activity and health promotion and a way to delivery and...

01 June 2020 9,294 13 View

Can anyone recommend a good software that helps keep track of advances in different academic projects, both in group and individually?

I am currently working on many different research fronts at the same time. I would like to keep track of my advances and relate tasks when various projects --eventually-- overlap. I am currently...

01 April 2020 824 3 View

How to plot dose-response from RT-qPCR data?

I've performed experiments to analyze the effect of different concentrations of a drug on gene expression using RT-qPCR. It is not clear to me whether data should be ploted as Fold Change vs....

22 March 2020 1,912 5 View

What test hypothesis should I use to compare repeated measures with different session conditions?

I'm having trouble to analyze the data I collected from experiments. In my experimental design I'm testing how sound intensities and interval between sound stimuli influence the reflex response...

01 March 2020 5,819 1 View

Hello everyone, could you tell me the structure of Alexa Fluor 680 ??

16 October 2019 1,573 4 View

What is the best option for measuring ACE2 in human plasma?

I tried using an ELISA kit to measure ACE2 in human plasma, however there was no detection. I would like to know if there are more sensitive and easily accessible methods for measuring ACE2?

27 July 2019 8,142 1 View

Hysteresis loop under the adsorption line in BET analysis, does it reflect errors in analysis?

I've got the following results from a lab, to which I've sent two very different powders. I believe the isotherms are type III in both of them. However, every reference that I see shows the...

03 June 2019 4,784 3 View

Georreferencing .tif images on Matlab?

I need to georreference a .tif file containing a single band image with pixel depth 16 bits (unsigned). The number of columns and rows is 946 and 843, respectively. The boundaries of the image are...

01 May 2019 2,409 8 View

What are the types of surfactants for a graphite / water mixture ?

Today we use Carboxymethylcellulose sodium salt as surfactant for graphite/water mixture. We are looking for new surfactants that could reduce the mixture and dissoluiton time.

18 March 2019 8,963 3 View

Binary Logistic Generalized Linear Mixed model in SPSS. Is it doable?

I want to analyses the proportion of swimming sperm of three species of fish in two salinities. To analyse the proportion of swimming sperm in a Generalized Linear Model, I would use a Binary...

03 March 2021 2,297 3 View

Dear all, I was wondering if anyone knows whether MGLtools and Autodock can run on Mac OS?

I have tried to download the 64-bit version of MGLtools however, as many times as I have downloaded and uninstall the programs, an error arises that the app needs to be updated. Thank you.

03 March 2021 5,997 2 View

What test should i use in comparing the correlation between categorical and continuous variables?

Dear all, I have the variable (Surgery duration) represented by values in minutes and the variable (preoperative neuropraxia cases) represented as (Yes/No) values. I want to compare these two...

03 March 2021 5,427 5 View

Logistical regression using SPSS for a dichotomous dependent variable, with an independent variable of 1, 2, 5 and 10 seconds?

I have an experiment with 28 participants The independent variable is the times 1, 2, 5, and 10 used as the cross hairs during a task These 4 times were tested using 4 different blocks, each...

03 March 2021 9,692 2 View

How to find the mean, SD and CI in SPSS?

Hi, I hope that someone can help me with this task: I have 5 groups of participants which are numbered in SPSS from 1 to 5 (according to their group number) and are all under the variable group....

03 March 2021 506 3 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

Do I need to do linear regression before running mediation analysis using PROCESS MACRO by Hayes ?

I just wanted to check if I need to run a linear regression separately if I am using PROCESS MACRO to run mediation analysis. Thank you.

02 March 2021 4,359 3 View

How to code open-ended questions in SPSS?

Hello all, In SPSS I am going to code 2 open-ended questions. I have already read all the answers and I made a list of the most important categories to which I can code the answers. This question...

02 March 2021 1,757 4 View

The procedure compute?

02 March 2021 5,204 3 View

Does anyone know what a '.' means in SPSS?

Hi everyone! I was wondering if anyone would be so kind as to help me with regards to my data set on SPSS! I was checking for multivariate outliers via the standardised residuals ('Linear...

02 March 2021 7,910 3 View