Hello, I need help to separate the mucilage found in an aqueous extract ?

During the process of aqueous extraction of phenolic compounds, I got a mucilage that must be separated from the extract that I would like to study. Thank you for your help.

03 January 2021 1,765 3 View

Can language alter our perception of crime?

I am looking for any resources which may be useful in a study I am conducting on the impacts that language may have on our perception of crimes. I will be using headlines which convey a particular...

23 December 2020 8,713 6 View

University's role in the socio-economic development of the country?

Does the university have an effective role in the socio-economic development of the country? It's much more academic than open to job creation for young graduates. What do you think? Safia Taleb

23 September 2020 8,637 13 View

Could you collaborate, please?

Hello everyone! I've developed a 35-item questionnaire to measure ESP students' critical reading strategies awareness while reading materials in English (as part of my Ph.D. research). Now, I need...

27 June 2020 2,484 3 View

How can i deal with missing value by using GBM in R?

I have time series data for 10 years ( hourly, daily, monthly ) for different variables , i have large numbers of missing data which are not random missing so how can i apply GBM or linear...

14 June 2019 2,090 4 View

I want to know the units of weight and volume that i have to put to get a concentration of 100 % of the aqueous extracts?

I have to prepare aqueous extracts from the plant powder and I wanted to know the weight of the powder that I have to mix with the volume of distilled water to have a concentration of 100%.

04 November 2017 7,872 2 View

I have data from XRD test for two types of soil. How can I analyze these data?

These data are one of them (attached file)

05 June 2016 6,589 3 View

May flavonoid content be more than phenolic content?

Quantification.

11 June 2014 8,835 4 View

How can we observe Juniperus phoenicea stomata?

It is difficult to use standard imprints method. Can anybody help? Thank you.

17 March 2014 5,502 4 View

Is there any fast rule on how to exactly decide on face validity?

01 January 1970 358 6 View

Physics: Why do we describe light by referring to its wavelength, but microwaves and radar pulses by referring to their frequency?

In physics, the description of the properties of light generally refers to its wavelength (nm), while in the range of microwaves and radio waves we refer to the frequency of a signal (e.g. kHz or...

03 March 2021 1,682 3 View

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence?

I am on the lookout for the Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence. Does anyone know where I can find it? Thank you in advance

03 March 2021 3,568 1 View

What kind of fluid could I use for a pitfall trap that also does not invalidate molecular testing?

Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...

03 March 2021 5,978 5 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

Do we need to write protocol for a second study of a systematic review that has been registered and published?

I have conducted and published a systematic review and meta-analysis research with the topic related to public health and health pomotion (protocol was registed in PROSPERO). Now we want to...

03 March 2021 8,920 3 View

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View

1. What is the impact of having different scales in a survey? and how can we solve this problem before and after data collection (Literature)?

1. What is the impact of having different scales in a survey? and how can we solve this problem before and after data collection (Literature-based reflection)? Thank you for your time and for...

03 March 2021 2,870 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