How to make a time series imputation benchmark ?

Hello ! In a work, I have to benchmark different algorithms to fill in missing values in time series. I insist on the fact that this is imputation and not forecasting. In my case, I have access...

24 February 2021 7,470 7 View

How to make PEDOT:PSS fluorescent?

Hello, I am spin coating thin films of PEDOT:PSS (Ossila, PH1000, ~50nm thick) on Si wafers and would like to make this thin films fluorescent. I have tried to dissolve fluorescent dyes in the...

05 January 2021 6,563 6 View

Literature Review for a dissertation- any tips?

Hello everyone I hope you are all well! I just have a quick question- I am a third year BA Social Work student in the midst of writing a literature review for my dissertation. I wanted to know if...

04 January 2021 6,869 4 View

Oocyte cultivation media - where can I find out about them?

Hello, can someone help me? I am just random undergrad interested in oocytes and early embryos but I know almost nothing about their in vitro cultivation. What is the current state of the art of...

23 August 2020 1,817 1 View

Can I pipette my small cDNA amount touching the wall of the tube? Can I sterilise my plastic well-plate by UV before using?

Hi, I have some questions about qPCR mix preparation. 1) If I am pipeting a small volume (0,5 microliter) of my cDNA after adding master mix, I draw off the liquid to the wall of the PCR well, not...

03 August 2020 3,940 4 View

INEXT in R: Problems with processing data. Who can tell me, what I'm doing wrong?

Hello, I'm trying to compare two small datasets of Elasmobranchs landed by artisanal fisheries in Brazil via rarefaction curves that are based on sampling units, not abundances. Therefore, I...

02 April 2020 3,727 9 View

What changes do you expect in GMO regulation in the context of clima change (esp. in european legal context)?

GMO is, among other uses, a technology that may enable us to better utilize natural sources (both in agriculture and in industry, tec.). However, its practical utilization is strictly controlled,...

26 March 2020 3,767 3 View

Small sample size in master thesis: What suggestions do you have how to statistically treat the data?

Dear everyone who might be able to help: Hello! I'm currently a student in marine science and I am writing my master thesis about Elasmobranchs and the big numbers that are being caught by...

19 February 2020 2,741 12 View

What plastic bag to use for soil gamma irradiation?

I plan to process soil samples with gamma irradiation. Obviously, they have to be kept in airtight plastic bags for no later air exchange and possible contamination. I was initially considering...

06 October 2019 9,097 2 View

Can a SV40 polyA signal be inverted ?

Hi all. It may sound a bit silly but I was wondering whether a SV40 polyA signal could be inverted. For reasons, I have to introduce one in a plasmid of mine but I have only one unique...

13 November 2018 774 5 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

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

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

Which is the best place in the world for the plant biotechnology research?

I am searching for a good place for the Post Doc,

02 March 2021 4,053 3 View

I am interested in medicinal chemistry field, which books are highly recommended to learn from?

I am at the beginner level in drug design and drug discovery, and I am interested to learn more about this field. Which books are highly recommended to start from and gives me all essential...

02 March 2021 8,437 2 View

Do you know any MR image dataset?

I would like to research on MR images (0.5T and 3T). Can you please suggest some websites that I can download dataset including both 0.5T and 3T MR images? Thank you.

02 March 2021 7,735 3 View