Any suggestions or recommendations on a good publishing house based on the African for academic books in the field of Communication and media studies?

I am currently working on a book on Public Relations (from an African perspective) and the rationale behind the book is the fact that as instructors in this field, we borrow instances and case...

19 February 2021 2,482 2 View

Please, is there suitable solvent to fractionate fatty esters into medium molecular weight fatty esters and high molecular weight fatty esters?

I want to separate a complex mixture of esters into medium and high molecular weight esters using solvent extraction.

11 October 2020 9,891 2 View

Can You Recommend good tutorial materials and literature on grid forming and grid following converter models?

Can anyone recommend good tutorial materials and literature on 'grid forming and grid following converter models'?. I will appreciate your recommendations and suggestions. Thanks.

02 July 2020 9,374 3 View

Is there any open source software available to model the microstructure of cementitious composites?

I will like to model the microstructure of concrete/mortar, is there any software to model the resulting products? Thanks

20 January 2019 1,099 2 View

What is the best way to coat PVA fibers with oil agent?

PVA fibers are modified with oiling agents to reduce bonding between the fiber and the cementitious matrix. What is the best type of oiling agent and method of application is most...

05 December 2018 2,055 1 View

How to get percentage contribution of factors in design expert?

I'm using design expert software for the design of the influence of different factors in my experiment. However, I couldn't get any section that shows the percentage contribution of each factor on...

29 November 2018 6,125 3 View

Is there any non destructive test that can be improvised in the lab to estimate the strength and permeability properties of concrete?

Non destructive tests equipment for concrete are quite expensive and not readily available. Is there any non destructive test that can be improvised or built with commonly available materials to...

27 November 2018 5,552 3 View

What are the emerging supplementary cementatious materials that can be used to replace cement?

The use of supplementary cementitious materials (SCMs) is increasing rapidly as they can be used to partially or totally replace OPC in concrete. The most common types of SCMs are fly ash, slag,...

25 November 2018 9,400 12 View

Why is high volume slag associated with high shrinkage in cementitious composites?

I will like to know why there is always high shrinkage when slag is used at larger percentage replacement of cement. The reasons in terms of its chemical reactions with OPC and the physical and...

22 November 2018 9,609 3 View

Can you suggest a PhD research topic in Renewable/Sustainable energy?

Fellow Researcher can you please suggest a relevant PhD research topic in Renewable/Sustainable energy Systems? I'll appreciate if you can help me identify a clear problem and an incline to the...

21 November 2018 8,162 17 View

How to calculate the crystallinity of cellulose film?

27 February 2021 2,753 4 View

What is the optimal method to prepare a controlled porosity osmotic pump (CPOP) tablet for scanning electron microscopy?

In order to assess the shape and size of pores formed by dissolving the pore former in the semipermeable membrane structure, SEM images are needed. Cellulose acetate was used in the coating...

15 February 2021 6,135 3 View

Is carboxymethyl cellulose a better electrolyte host polymer than methyl cellulose and cellulose acetate?

I want to prepare a cellulose-based biopolymer solid electrolyte by solution casting technique. However, choosing the right cellulose derivative has been my major challenge. Among the many factors...

30 January 2021 5,355 3 View

What is the mechanism or interaction between Fe3O4 magnetic nanoparticles and biochar?

Lately there are many studies on biochar incorporated/loaded/coated with Fe3O4 magnetic nanoparticles. But I havent found any paper that describes the interaction or bonding between the two. How...

20 January 2021 3,162 4 View

Hemicellulose HPLC protocol?

I want to know the best solvent to characterize hemicellulose by high-performance liquid chromatography HPLC

11 January 2021 4,677 3 View

After cellulose is regenerated in water, a cellulose hydrogel is formed. I want to know if there is crystallinity inside the the hydrogel?

After cellulose is dissolved and regenerated in water, a regenerated cellulose hydrogel is formed. I want to know if there is crystallinity inside the hydrogel, or it will not crystallize until it...

04 January 2021 7,466 4 View

How to calculate "POWER LAW" in rheology from a GRAPH of shear rate vs viscosity for cellulose nanofibrils suspensions?

How to calculate "POWER LAW" in rheology from a GRAPH of shear rate vs viscosity for cellulose nanofibrils suspensions?

02 January 2021 6,816 3 View

Crystallinity index measurement of Cellulose nanocrystals ??

How to find the crystallinity index of cellulose nanocrystals using XRD peaks. Can anyone suggest the most appropriate method of finding CI

28 December 2020 7,809 4 View

What is the best solvent and dose of Alloxan to induce diabetes in mice ?

Saline water or citrate buffer or carboxymethyl cellulose sodium salt

13 December 2020 4,110 1 View

What is the glucose content in Cellic CTec2?

Hi, I've determined the glucose content in Cellic CTec2 enzyme blend and it is 12-14 mg per 100 mg of enzyme blend. Could anyone share with me your results so I can compare it with mine?

08 December 2020 6,312 3 View