What are the main characteristic of Ethiopian agriculture activities?

Agriculture, which constituted 46 percent of GDP and more than 80 percent of exports, is by far the most important economic activity in the Ethiopian economy. An estimated 85 percent of the...

28 December 2020 2,632 3 View

How can I quantitatively analyze data ?

How can I quantitatively analyze data collected through 5-point Likert scale which ranges from Always (5), often (4), sometimes (3), rarely (2), to never (1)?

24 June 2020 6,097 6 View

Why does graphite conduct electricity while diamond does not even if both of them are forms of carbon?

why does graphite conduct electricity while diamond does not even if both of them are forms of carbon?

15 February 2019 6,381 7 View

Which study design would be recommended to study the impact of targeted vector control interventions on entomological risk factors for malaria?

The most majority of my country is malaria epidemic prone areas and is getting prepared for malaria elimination. Therefore.,we need to run pre-elimination studies on entomological factors.

02 September 2018 5,513 3 View

How can we control the polycondensation(step growth) polymerization?

Controlling mechanisms of polycondensation polymerization

20 March 2018 3,845 9 View

What will be the role of Nanotechnogy inTextiles in the near future?

What I expect in the future is that the clothes we wear will be full of electronics. That means nanotechnology will have a huge role in making flexible microchips.

30 December 2017 3,349 1 View

Any one who can tell me the basic differences among Hybrid, composite and synthetic varieties

I just want to know: the breeding techniques in the production of hybrid seed, composite seed and synthetic seed as well as the advantage and disadvantage of using each of the variety in crop...

23 May 2017 5,716 4 View

Does anyone have experience in Linguistic Corpus Analysis - German and other corpora?

I am looking for colleagues who have experience in linguistic corpus analysis. What is your research about? Anyone doing analysis in German Corpora? Italian or French? Thanks a million for your...

18 October 2015 5,914 18 View

What is the best programming language for computational work related to material science and engineering?

A language that I can teach myself over the summer will be preferable.

20 May 2014 1,069 2 View

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

03 March 2021 8,272 1 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

Joint behaviour in Abaqus is not captured well?

I am working on roof joint and trying to simulate the behaviour in Abaqus. I am successful in running the model but the final graph does not follow the experimental curve in the negative direction...

01 March 2021 6,661 3 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

Concrete compressive strength databases?

I am looking for datasets similar to this one: http://archive.ics.uci.edu/ml/datasets/Concrete+Compressive+Strength I am looking for concretes with different types of aggregates (Recycled,...

27 February 2021 6,801 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

Are there lab markers/pens resistant to Roti-Histol?

Hi, I'm looking for a pen/marker to write on the smooth, transparent (non-frosted) part of microscopy slides which does not get washed away by alcohols and most importantly Roti-Histol. I want to...

24 February 2021 9,902 5 View