Which procedure would be the most successful to determine glomalin in soil?

We have to determine easily-extractable glomalin (EEG) and total glomalin (TG) from soil samples, but we have found various contradicting methods and calculations. Is there a trusted method that...

20 October 2020 3,051 3 View

What kind of qualitative method to use?

Dear research colleagues, I am currently working on a qualitative research and would like to ask your opinion. I am not sure which qualitative method to use. We conduct semi-structured interviews...

14 April 2020 5,777 17 View

How can teacher education reflect the pedagogical ideal of democratic schooling based on dialogue?

04 March 2020 1,801 16 View

Does one of my research questions allow pooling of 2 intervention groups in a one-way ANCOVA?

Hey guys! Looking for some statistical advice to anticipate review response. I have done an intervention with 3 groups, 2 of which are in the intervention and 1 that is control. The 2 intervention...

06 September 2019 5,316 3 View

Thermal conductivity of Aluminium 5083 and 5754 alloys with temperature?

04 March 2019 6,653 6 View

GW170817: What is the relativistic mass of neutron stars in a binary system just before merge?

From the signal frequency received by LIGO gravitational wave antennas that is interpreted as originating from a binary neutron star system, we calculate orbital speed of merging components at...

04 February 2018 1,190 42 View

Should the electron rest mass be looked at as an elementary quantity?

07 October 2017 1,971 22 View

Does formation of elementary particles confirm Mach's principle?

23 September 2017 9,642 50 View

How to probe the local gravitational potential originating from remote masses of the universe?

Is the inertia of accelerating masses to be interpreted as due to interaction with the local gravitational potential originating from remote masses of the universe? A gravitational drag experiment...

21 September 2017 8,743 32 View

How to make an input file for CASSCF single point energy calculation for a molecule at triplet state (T1) in gaussian 09?

I want to calculate the single point energy of a molecule in the T1 state using CASSCF. Can anyone post a test file for the above mentioned calculation? The molecule is more stable at S0.

20 June 2017 8,632 3 View

Could you recommend any books about Number Theory?

Beginner level books. High level books. Analytical Number Theory. Algebraic Number Theory. Combinatorical Number Theory. Books about partitions. Books about primes.

03 March 2021 7,174 5 View

Polymer composites suddenly solidifies?

I am making polymer composite by solvent mixing method. When I am trying to add filler solution in polymer solution it quickly get solidified. How to make them then uinform? It doesn't give time...

03 March 2021 7,540 4 View

What solvent can I used for Paal Knorr reaction between 6-amino hexanoic acid and 2.5 hexanedione?

I am try to make the Paal Knorr reaction between 2.5 hexnedione and 6-amino hexanoic acid, my problem is type of solvent to use, because 6-hexaminohexanoic acid is soluble in water but I am not...

02 March 2021 4,443 2 View

How to polymerize TEOS?

I want to polymerize TEOS on a surface. I know that NH4OH is a preferred catalyst and an alcoholic solvent should be used .But I can not find certain amounts of each material to use. Does any one...

02 March 2021 1,404 6 View

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01 March 2021 3,905 5 View

How can extract ciprofloxacin hydrochloride disolve in water er to organic solvent such as dichloromethan or any other solvent?

I need a procedure to extract the ciprofloxacin hydrochloride from aqueous solution by using dichloromethane in detail,. I thank you very much.

01 March 2021 4,306 1 View

What test should I use to compare two or three means, if data is not normally distributed but sample size is > 30 in each group?

I personally feel this as a most confusing question. As per my understanding, if sample size is > 30, and sample is skewed, we can still use paramteric approach, as it will follow Z...

01 March 2021 1,587 6 View

How to separate water from glycerol solvent in a solvent recovery vacuum distillation column?

I am currently doing my third year design project. I have been assigned to design a glycerol recovery column in vinyl acetate monomer production. The process unit before the recovery column is an...

01 March 2021 9,525 4 View

Glass fiber content in a gypsum board ?

Any idea on how to get the volumic ratio of glass fiber in a gypsum board ? Thank you for your help !

01 March 2021 2,501 3 View

How to make fractions of chloroform extract of plant, using seperating funnel?

28 February 2021 8,466 2 View