PhD Bio renewable energy research topic?

I am having challenge in picking a research topic that focuses on bio-renewable energy probably because a lot of feedstocks and methods have been research on. I would like suggestions on topic...

27 October 2020 9,898 2 View

How to Separate saturated FFA from Unsaturated FFA?

Starting from soybean oil, how can only unsaturated free fatty acid be separated from the saturated free fatty acid in the Oil? The purpose of this is to synthesis Alkyd resin with just only the...

11 October 2020 5,149 3 View

What would be an appropriate parent-report tool for measuring circumscribed interests in young children with autism?

I'm looking to get an idea of the intensity of circumscribed interests for young children (3-6 years) with autism. Does anyone know of an appropriate parent questionnaire that can be used to...

14 January 2019 7,013 3 View

In gas-liquid-liquid STR, how is turbulence modified and what is the impact on drag felt by the gas bubbles?

In the CFD prediction of gas hold up in gas-liquid STR, it is necessary to take into account the observation that turbulence increases the effective drag felt by gas bubbles thereby reducing their...

17 June 2018 3,014 2 View

Grid size vs bubble size in Euler-Euler simulation of gas-liquid flows in stirred tank reactors?

In the simulation of stirred tank reactors, it is necessary to finely resolve the region near the impeller so as to adequately capture turbulence properties such as the energy dissipation rate....

07 February 2018 9,687 2 View

What is the optimum time for transfection PEI system?

I am transfection 293 cells for viral packaging. Will it be a problem if I change media 6 hrs post transfection. Using the PEI system.

26 October 2017 1,650 2 View

Soultion that dissolves Praziquantel powder,?

I have purchased praziquantel powder for mouse experiments. I always have a problem with dissolving this powder. I used Distilled water, hot and cold, but still no luck. Is there a proper solution...

20 May 2015 9,719 3 View

In ELISA, why does the IgG standard only bind when I coat plate with anti IgG,.,.but does not bind with my protein of interest.?

I have ran an elisa assay with one side coated with anti igg and one side coated with SEA protein,.,.i put standads in both sides,.but only the side coated with anti igg showed to have working...

16 December 2014 4,993 2 View

How can I prevent mold and yeast contamination of cell cultures?

26 November 2014 1,049 16 View

How optimize the Size Exclusion Chromatography?

Hello! I'll do a size exclusion chromatography, but I only have an open column, and I'll perform the peptide extraction from yeast, using buffer lysis (sodium phosphate 50 mM/NaCl 30 mM/DNAse and...

01 March 2021 2,215 2 View

For modelling epoxy-based matrices (in composites), which model in ABAQUS is the most suitable, Concrete damaged plasticity or Drucker-Prager model?

I am working on developing a micromechanical FE model for predicting kink-band formation in UD composites. To model matrix plasticity, which model, out of Concrete Damaged Plasticity and...

28 February 2021 5,415 1 View

How the wettability of rock sample can be changed by ageing in pure hydrocarbon oils only?

I want to do wettability analysis of hydrocarbon oil (octane)/rock/surfactant solution system. but to do the analysis first I have to make rock surface oil-wet. Since hydrocarbon oil does not have...

27 February 2021 5,383 3 View

What is the suitable range of Sulfur content and Viscosity of Heavy fluid Oil that used in Kiln?

What is the disadvantages of high sulfur content to the ceramic burning process? and what is the effect of outranged viscosity?

24 February 2021 8,219 2 View

How can Gamma Ray API units be converted to CPS (counts per second)?

Oil and gas companies run gamma ray tool and take readings in API units while Gamma ray is also noted in cps, so how these units can be converted into each other?

24 February 2021 7,545 2 View

How to remove compound ( Europium complex ) from paraffin oil?

How can I remove my compound from paraffin oil? Mistakenly my compound fell in an oil. Compound = Europium complex

22 February 2021 5,667 2 View

When I mix oil and NaOH solution, Why solid layer in the surface is formed?

During my trial for lubricant oil re-refinery process, I use NaOH as coagulant agent. After overnight of gravity settling, a solid layer in the surface was form. what product is that? since the...

22 February 2021 2,116 4 View

Alternative to mediation analysis?

I am currently working on my dissertation and want to explore the role of competence as a mediator between the effect of colour of clothes on voting intention (focus on Western countries)....

21 February 2021 8,609 1 View

How to dissolve cross-linked Amberlite IRC120 H, hydrogen form resin?

Hello all, I have used Amberlite IRC120 H, hydrogen form acidic cation-exchange resin for the ion-exchange of waterglass [sodium silicate solution -- 40% Sodium silicate (mol ratio > 3.2)...

21 February 2021 5,614 3 View

Color of spiro-ometad film?

What does the color of a spiro-ometad film indicate? I got purple, green, red, even black color of the spiro film. Is there anything we can get from the preliminary color analysis(e.g. oxidation...

21 February 2021 1,831 4 View