What is the biochemistry of acidic solvents for phenolics extraction in strawberry?

I am using the Folin-Ciocalteu method for analysis of total phenolic content in ripe strawberries. I've read several protocol that suggest a methanol/H2O/formic acid (80:19:1) extraction solution....

22 February 2021 6,560 3 View

Are there any open-source datasets containing physiological information about exercises to be used for an OR-model?

I have just recently started a new "weekend project" in addition to my master's studies and I am looking for a data-set. I would like to use some Operations Research to design an optimal gym...

22 February 2021 8,023 1 View

How reliable is estimation of copy numbers by absolute qPCR?

Hello, I would like to compare the expression levels of several genes in insects, so I prepared standard curves and estimated copy numbers of each sequence in my samples. But for one of the genes,...

11 February 2021 8,421 13 View

Antibody fragments after Dha (Dehydroascorbic acid) re-oxidation?

Hi, I am trying to re-oxidize the disulfide bridges of an antibody with DHA. I always have some good amount of HL fragments (heavy + light chain fragment), despite varying reaction times, pH,...

31 January 2021 9,495 2 View

Please, any real time simulation tool recommendation for islanding detection and control in DG to me aside MATLAB as it keeps freezing and very slow?

I am currently working on islanding detection and control in distributed generations. I would kindly ask that you recommend a real-time simulation tool that helps me in this study. I have tried...

13 January 2021 3,626 3 View

Can decolonial theory speak to human rights movements?

Decolonial theory tends to avoid the language of human rights due to a concern about who is included in "the human" of human rights. But many struggles today start from the language of human...

20 December 2020 7,896 3 View

Ethanol or Isopropanol for insect preservation?

Hello, I am wondering whether Isopropanol (cheaper) can be used in the same way as ethanol for preservation and storage for molecular and DNA analyses, particularly for insect samples. Any ideas...

29 July 2020 4,994 17 View

Is it okay to have R-Squared or an Adjusted R-Squared to be over 90% in multiple linear regression? Does this raise any suspicion or question?

I ran multiple linear regression by using six IVs to predict household water insecurity in rural Ghana. My output came out with R-squared and Adjusted R-Squared of .981 and .962, respectively....

10 July 2020 5,854 2 View

What is the best program to simulate temperature of the tool tip during turning (Abaqus or Ansys)?

Dear all, I would like to simulate the temperature of a tooltip during turning. What program should I use best? And does anybody know where I can find a template where I can start from? This...

28 June 2020 2,572 3 View

No title

Hi i would like to know if there are some stat methods to aggregate Results of only one intervention group between different studies of a systematic review. in fact, I want to resume a binary...

12 June 2020 5,184 2 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

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

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

03 March 2021 8,272 1 View

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 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

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

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View