How to measure knowledge/competence gap in IT outsourcing?

Hi all, I am currently writing my master thesis about the knowledge/competence gap between an IT outsourcer and his client. By this I mean the difference of the IT knowledge and the impact that...

20 December 2020 9,228 7 View

When running a regression data analysis on excel, why do I get low p-values when analysing data sets alone, but not when they're together?

When running the regression analysis using a single column for X, I get a fairly low p-value (p < 0.05). When running multiple columns together (which all have p values lower than 0.05)...

28 July 2019 9,953 6 View

What is the appropriate ANOVA to compute when you have 4 independent variables (3 with 2 levels, one with 3 levels) and repeated measures?

Hi, I'm analyzing a set of data with the following: Group: exp vs control, "stage" 1 vs 2, time point: baseline, 1, 10, and time of day: AM vs PM. Both groups underwent each of the conditions. In...

07 November 2018 9,287 3 View

Why are there no condensation on the inclined part exposed to the sun of the solar still aqueduct like in classic solar still?

Why is there no condensation on the inclined part exposed to the sun in the system proposed in this paper? SOLAR DISTILLER AQUEDUCT FOR THE DESALINATION OF SEA WATER A...

31 October 2018 7,858 1 View

How can you do a hypothesis test in SPSS where you test that the increase of a variable also increase another variable?

Hello, For one of my courses within my master program, I need to do some tests in SPSS. There is one test where I don't know how to do it in SPSS. The question is: Include the alternative...

20 October 2018 5,130 5 View

Could Sodium Thiosulphate Pentahydrate also be used in a Von Kossa staining instead of Sodium Thiosulphate? And can the solution be reused?

08 January 2017 997 2 View

Over what time scale can we expect to store carbon through irrigation and photosynthesis in arid land?

I strongly think and hope very large scale desalination of sea water to irrigate arid zone is the second way to fight against global warming and its consequences as rise in sea level and...

15 February 2015 8,289 18 View

How can solubilize plant pigments after they've been dried ?

We found an efficient method to extract pigments from plants. Just after the filtration, when the pigments were still wet, we use them and paint with a brush. But after are dried and milled, its...

18 December 2013 4,308 2 View

What should be the first quality of an aqueduct supplying freshwater in remote arid areas?

In the followed paper, an sea water solar still aqueduct is presented. What is the main quality of this aqueduct that must be considered? SOLAR DISTILLER AQUEDUCT FOR THE DESALINATION OF SEA...

01 January 1970 5,896 1 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

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

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

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

28 February 2021 8,466 2 View

Why am i not getting solid after reacting APTES with salicylaldehyde?

The reaction of APTES with salicylaldehyde in ethanol leads to the formation of imine compound yellow solid which is mention in literature, but I am not getting yellow solid I don't know why? when...

28 February 2021 2,955 2 View

can I treat waste water containing solvents and alcohol with electrocoagulation?

there are solvents and alcohol in the waste water of a factory that produces disinfectants. Increasing this waste water requires very serious operations. Can I treat this waste water with...

27 February 2021 2,609 3 View

How to replicate the well conditions of a crystal hit with 20%(w/v) isopropanol?

I had a crystal hit in a well with 0.1M HEPEs pH 7.5, 10%(w/v) PEG 4000, and 20%(w/v) isopropanol. Why is isopropanol in w/v here if it's just solvent? How do I recreate this well condition?

25 February 2021 9,761 1 View

How to increase solubility of Poly acrylic acid in Dioxane solvent?

I am working with Polyacrylic acid (100.000Da) and instead of water, I need to use another solvent (dioxane) to dissolve PAA. However, because of the high molecular weight, it's quite hard to...

25 February 2021 2,225 5 View