How can I identify the size of nanoparticles without the use of electron microscopy?

01 February 2019 7,263 20 View

How can I separate the different sizes of nanoparticles?

I could get nanoparticles by using a physical method, but because of that method we get different sized molecules. How can I separate the different sizes of nanoparticles?

01 February 2019 8,452 3 View

Is there a simple test we can perform to ensure that we get nanoparticles?

There are many methods we can make to ensure that the compound becomes in the size of the nanoparticles, most based on devices such as transmission electron microscopy (TEM). Which are not...

31 December 2018 8,683 4 View

Can we estimate the concentration of a substance by measuring its absorption at 3 wavelengths, such as what the eyes do?

The eyes can estimate the concentration of a solution roughly. Through three receptors of colors. Can we estimate the concentration of a substance by measuring its absorption at 3 wavelengths,...

31 December 2018 3,471 3 View

I want to produce an inbred mice strain to use in toxicity tests. What qualities should be chosen? And How to do that?

In Egypt, there is a lack of pure strains of experimental mice. How can I produce a pure strain? What are the tests that confirm obtaining a pure strain? After how many generations to get a pure...

04 May 2018 2,530 0 View

Can we feed on white rat meat?

White mice are characterized by rapid reproduction and rapid growth. Can their meat be used in food industry experiments?

04 May 2018 7,421 5 View

How can I get solar cells in the form of a hollow cylinder?

I want to study the effect of temperature on the efficiency of solar cells. So, I needed solar cells in the form of a hollow cylinder to run a stream of water in it. How can I get it and from where?

04 May 2018 6,105 7 View

How can I evaluate the selectivity of some pesticides?

I want to evaluate some fungicides on some fungus as well as some fungus and bacteria used to biological control of this fungus. How can I evaluate the selectivity of these pesticides?

02 March 2018 1,554 4 View

What is the best free program to correct grammatical and linguistic for the English language?

Since my native language is Arabic, I find difficult to review the linguistic and grammatical errors of my English language. So I want a free program to correct the language and grammar for the...

02 March 2018 4,138 0 View

How can I know the source of water in a well?

In Siwa Oasis there are many wells. We want to know the source of water that feeds these wells Is this possible through isotopes for example

31 December 2017 4,794 17 View

Guidelines for survey (question type) analysis?

Hi. Please tell me what guidelines should i need to follow for questionaries' type research work in India. It is not hospital based work, we are conduction basic institutional based qualitative...

03 March 2021 2,037 3 View

How to access MSCI KLD Stats and Sustainalytics?

Hello all, I'm currently working on my undergraduate thesis and I'm having difficulties trying to access KLD Stats and Sustainalytics because my campus Airlangga University and apparently other...

02 March 2021 8,525 1 View

Ideas for Phd's Thesis on pricing (Marketing)?

Hi everyone, I'm studying Marketing and I would like to write my PhD thesis on the topic of pricing. Any specific ideas?

02 March 2021 9,706 5 View

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02 March 2021 3,060 3 View

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02 March 2021 932 1 View

Is There Any Feasible Method To Test Fluorescent Compounds Other Than Fluorescence Spectrometers ??

Is There Any Feasible Method To Test The Efficiency Of Fluorescent Compounds Other Than UV Spectrometers ? Suggestions Would Be Appreciated !

02 March 2021 5,785 3 View

APA 7th In-Text citations with two references with three authors with the same surname, but four different author?

I have an issue with APA 7th in-text citation. II have two papers where the first three authors are the same, and the fourth is different. I am using the Mendeley desktop app, and automatically it...

02 March 2021 790 3 View

How to calculate BREQ 3 questionnaire?

how to calculate BEHAVIOURAL REGULATION IN EXERCISE QUESTIONNAIRE BREQ 3 ,which contain 24 questions and each question has 5 answers (0- Strongly disagree , 1-disagree, 2- Neither agree nor...

02 March 2021 811 3 View

Where can I find life cycle inventory or assessment of non woven materials?

Dear network, I am looking for the LCA or LCI or at least the energy balances of the non woven fabrics process for my master project, in specific for natural fibers, yet I have found...

02 March 2021 9,662 1 View

Please suggest a good text book for "Research Methodology in Life Sciences". Which book would be good for PhD Scholars?

Please provide Book Title and author name

02 March 2021 9,059 3 View