By which mechanism does potassium hyrdoxide works as an activator in the preparation of activated carbon?

Activated carbon is prepared from biomass using KOH as the activating agent. What is the possible reaction between KOH and the biomass?

14 February 2021 8,095 4 View

Should studies published in predatory journals be included in systematc reviews?

I am conducting a systematic review of intervention, and i observed that one included study could determine the statistical significance of the final meta-analysis. Problem is, that article has...

13 April 2020 922 9 View

OCR system for phonetic (IPA) symbols?

I need to convert manually annotated IPA transcriptions into digital format. Does anybody know of an OCR system able to recognise IPA symbols (even just for English phonemes)?

25 March 2020 5,982 0 View

Is it possible to read the deformation field file produced by SPM during normalization?

If (x,y,z) are the voxel coordinates of a point of the brain scan before normalization, what is its position after applying the deformation field generated during the normalization?

19 February 2020 10,004 3 View

Bibliography on the effect of soils on nectar and sap?

10 September 2019 8,922 4 View

What is the correct phenol red permeability through Caco2 monolayer?

Dear all, I am performing Caco2 permeability experiments using transwell inserts and I am using phenol red permeability assay to verify the monolayer integrity. What is the maximum phenol red...

06 March 2019 6,726 6 View

How much solvent (ethanol) would I need to extract capsaicin (and other capsaicinoids) from siling haba?

Siling haba is a variation of Capsicum annuum var longum. The capsaicin extracted will be tested against aphids to test its insecticidal properties. Someone suggested that I should use 5ml/g or 2g...

12 February 2019 1,373 3 View

How much ethanol do I need in extracting capsaicin from red bell peppers?

The capsaicin recovered will be tested against aphids.

04 February 2019 5,811 5 View

Is anyone aware of studies concerning geostatisics in the environmental field?

I'm looking for studies on environmental analysis carried out by geostatistics

16 January 2019 5,356 4 View

CVD adhesion on silicon substrates?

Dear all, I am currently trying to uniformly deposit organic semiconductor via thermal CVD at low pressure (around 10 Torr), but I sometimes get either no deposition or not homogeneous deposition...

21 October 2018 3,185 4 View

error in running a model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

error in modelling model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

MGL tools

20 June 2021 0 0 View

How climate change will influences human and animal behavioral change?

The role of climate change influencing the human behavior as well as economics interest

01 June 2021 0 0 View

flexibility of polymers chain

effect of double bond on the flexibility of polymers

07 April 2021 0 0 View

i have some problem with chtMultiRegionSimpleFoam

--> FOAM FATAL ERROR: Maximum number of iterations exceeded From function Foam::scalar Foam::species::thermo::T(Foam::scalar, Foam::scalar, Foam::scalar, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar) const) const [with Thermo = Foam::hConstThermo >; Type = Foam::sensibleEnthalpy; Foam::scalar = double; Foam::species::thermo = Foam::species::thermo >, Foam::sensibleEnthalpy>] in file /home/ubuntu/OpenFOAM/OpenFOAM-4.1/src/thermophysicalModels/specie/lnInclude/thermoI.H at line 66. FOAM aborting #0 Foam::error::printStack(Foam::Ostream&) at ??:? #1 Foam::error::abort() at ??:? #2 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::calculate() at ??:? #3 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::correct() at ??:? #4 ? at ??:? #5 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" #6 ? at ??:?

24 March 2021 0 0 View

Formulation of polymer color flakes

I am writing to request some information for making polymer color flakes. I would appreciate the help.

17 March 2021 0 0 View

Guidelines for survey (question type) analysis?

Hi. Please tell me what guidelines should i need to follow for questionaries' type research work in India. It is not hospital based work, we are conduction basic institutional based qualitative...

03 March 2021 2,037 3 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View