Can anyone suggests a good article or chapter on data imputation methods?

I am from social science background and looking for some material that sums up data imputation methods in one reading material. The articles that I found describe the common methods used but I...

29 December 2019 8,969 4 View

Innovative work behaviour?

where can i get the innovative work behaviour questionnaires? I would like to use this tool to gather data for my research. Thank you

29 November 2017 3,867 3 View

Does the difference in channel thickness in OFET (above 50 nm) will give effect to the shifting of XPS spectra?

As far as I know, the XPS can only measure thickness up to 10 nm. Is there any possibility, I can get shifting in the XPS spectra if I want to study the interface between ITO/organic layer and the...

21 March 2017 8,441 3 View

Is there anybody have experience using rubidium chloride (RbCl) as a marker for mosquitoes by mixed it with blood meal? And how to prepare it?

Rubidium Chloride

18 January 2017 4,244 1 View

What is the difference between two-way MANOVA and two-way repeated measures in SPSS?

13 December 2016 6,601 4 View

Why organic semiconductor material has flexible properties compare to inorganic?

What is the criteria that holds by organic s/c which make them flexible? compare to inorganic s/c?

11 December 2016 7,367 3 View

What reaction takes place when ammonium molybdate in aqueous ammonium?

28 April 2015 1,238 6 View

What is protein Dicer half-life?

In HEK293 cells.

09 October 2013 3,192 2 View

Apart from Content Validity Index, is there other content validity measure for module validation?

Dear all, I am developing a learning module and next is to work on the validation. I've seen some works that use Content Validity Index (i think it's more utilized in questionnaire validation) to...

01 January 1970 3,265 3 View

Looking for Materials with high thermal expansion coefficient and high temperature resistance?

03 March 2021 8,272 1 View

What is the status of bread making and more bakery foods with the use of insect flour/powder?

Insects have been consumed by human diet since prehistoric times. At present, the idea of looking at insects as food has been getting traction worldwide, also in response to increasing food...

03 March 2021 6,223 5 View

What are anisotropic electrical and optical properties of a semiconductor due to?

In some materials, properties such as band gap, thermal conductivity differ along different crystallographic axes. What are the basics?

01 March 2021 1,923 3 View

How to grow E.coli on the low salt LB agar plate with 50 or 100ug/ml of Blasticidin?

Hello, I would like to ask how to grow E.coli which resists 50 or 100ug/ml of Blasticidin. I have tried many methods by using low salt Luria-Bertain(LB) agar plate. However, no colonies grow. Let...

01 March 2021 2,027 2 View

How to remove fatty material from plant extract?

The resultant solid was partitioned three times with 250 ml of petroleum ether (40-60/c) to remove any fatty material and evaporated to dryness.

28 February 2021 9,464 2 View

1 nm thick MgO thin-film to be deposited on Si wafer using thermal evaporation. What will be the optimum deposition conditions?

Favourable conditions of base pressure, rate of deposition. Also, by which characterisation technique to be used to verify the thickness of the deposited film.

28 February 2021 3,640 3 View

Why do a weight decrease for thermal degradation in nitrogen gas condition?

Hi all The question is related to TGA(Thermogravimetric analysis). Thermal degradation easily understood but why do samples weight decrease? altough just binding is broked, the weight of...

26 February 2021 1,100 5 View

Can thermal cycler machines be problematic during PCR?

Hi, my question is about the heating of thermal cycler machines and I hope some of you had experienced a similar thing previously. There are two thermal cycler machines in the lab(BioRad) and for...

26 February 2021 4,777 4 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

How can I verify my centrifugal fan design for electric motor cooling?

I have radial blade centrifugal fan design which will be mounted on exhaust side of electric traction motor. The fan will be mounted on same motor shaft inside the housing. How can I verify that...

23 February 2021 2,390 3 View