What in your opinion are second generation biofuels? Is Jatropha a second-generation biofuel feedstock/crop?

More David Boansi's questions See All

What are some of the economic advantages and disadvantages of landlockedness (with reference to trade and growth)?

It is generally perceived that due to lack of direct access to the sea, landlocked countries are primarily marginalized from major trade related networks and hardly benefit from trade...

31 December 2014 9,422 25 View

What is the difference between coping and adaptation in the context of climate change?

Are coping strategies the same as adaptation strategies in the context of climate change? If not, what are the basic differences between the two?

05 June 2014 1,227 6 View

Is climate change that bad a phenomenon, or are the extremes the reason behind the negative perceptions?

Is climate change bad, or are extremes rather the actual threat?

02 March 2014 5,902 12 View

Are there any means by which extremes in climate variables can help reduce disaster risk?

I want to know if there are any merits of climate extremes.

02 March 2014 6,143 7 View

What is the difference between re-defining a variable and transforming a variable?

01 February 2014 1,601 5 View

Having obtained highly significant betas in a regression, under what conditions will the F-statistic be insignificant? What accounts for this?

I would like to know the mechanics behind such an observation/situation.

11 December 2013 407 17 View

Is it appropriate to always regard a model with significant F-statistic as being good, perfect, valid or the best? Why?

In literature, tests based on F-statistic that fail to reject the null hypothesis of the "effect of all betas being zero" are usually inferred on a model as performing poorly. Must the opposite...

11 December 2013 9,755 6 View

Why do people have different interpretations for a common situation written on a sheet of paper?

Human beings seem to have same organs and cells, ability to reason just like any other person and what have you..yet, when given a sheet of paper with piece of information, they seem to have quite...

11 December 2013 2,356 21 View

What is the difference between error terms and residuals in econometrics (or in regression models)?

Students usually use the words "errors terms" and "residuals" interchangeably in discussing issues related to regression models and output of such models (along side the accompanying diagnostic...

11 December 2013 1,261 37 View

Disciplinary approach,multidisciplinary approach,interdisciplinary approach,trans-disciplinary approach.Which is appropriate for development research?

Just need professional views on this issue

10 November 2013 9,651 11 View

After a reference from Int J Body Compos Res, can any body help?

Hi, I am after the reference below, my library says it cannot obtain a copy either locally or internationally, any help appreciated! Chris Wang ZM, Heshka S, Wielopolski L, Pi-Sunyer FX, Pierson...

03 March 2021 6,193 1 View

Irradiation data for JAPAN?

Hi, Could you help me to get the latest (2019, 2020) solar resource data for a particular site in JAPAN? PV GIS and NSRDB data are not in reach to JAPAN, I'm looking for some other database for...

03 March 2021 961 3 View

Is there a powerful system for the security of the systems distributed on IoT systems?

02 March 2021 3,858 10 View

What are the most relevant MSc proposal topics for Petroleum Production Engineering at the moment?

I am a Petroleum Production Engg MSc student at Robert Gordon University in Aberdeen and I am in the process of selecting a topic for my MSc Engineering Investigation proposal. I would very much...

01 March 2021 7,396 4 View

How to calculate Ligand-active site distance in a ligand-protein complex from MD simulation?

I have run a MD simulation of a ligand-protein complex in GROMACS using CHARMM forcefield. Reviewer has asked me to calculate Ligand-activesite distance and binding free energy of ligand with...

27 February 2021 4,703 1 View

LEDs on Vis Light photo degradation of MB water sol via N doped TiO2 in a mini flume?

Good day to all, I have no experience with light emitting diodes. I am building a glass mini flume to demonstrate the photo degradation of Methylene Blue in water running over self cleaning...

26 February 2021 4,026 5 View

Why do the air flow results vary totally when adding scalar in CFD ?

Dear All, We are using Autodesk cfd to calculate the air flow in a single sided naturally ventilated room, where air flow depends only on buoyancy due to temperature difference between inside and...

25 February 2021 9,602 4 View

How to model Supercritical water gasification (SCWG) process in Homer software?

Hi everyone How to model Supercritical water gasification (SCWG) process in Homer software?

25 February 2021 4,075 1 View

Steps to calculate activation energy by coats & redfern method?

I'm a chemistry student and I'm researching the kinetic degradation of mixed plastic waste. I'm having trouble calculating the activation energy by the coats & Redfern method. The data that...

24 February 2021 974 1 View

Is anyone working on a project focused on immigrants/newcomers working in the hospitality industry and how they have been impacted by COVID?

The on-going Covid-19 pandemic has had devastating economic effects on many industries. However, few have suffered to the same extent as full-service restaurants. Numerous studies have shown that...

24 February 2021 9,496 4 View

Elias Martinez

Second generation biofuels are those not produced from food-crops, but can be produced from food-crop residues. Jatropha is generally accepted as second generation feedstock as most of the species produce toxic seeds and are not used for food. This publications migth help to clarify concepts

http://dx.doi.org/10.1016/j.rser.2009.10.003

DOI: 10.1002/9783527652976.ch2

Hamit Can

Article Next-generation biomass feedstocks for biofuel production

https://www.oecd.org/berlin/44567743.pdf

http://www.globalbioenergy.org/uploads/media/0711_KnowGenix_-_Sustainable_biodiesel_feedstock._Jatropha_a_strategic_option_01.pdf