In processing fish samples for GC MS and/or heavy metal analysis, is there any difference between granded oven dried samples and ashed samples?

What is the difference between granded oven dried fish samples and ashed fish samples in processing fish samples for chemical analysis?

04 February 2021 9,942 3 View

Help with multivariate test selection?

Hi all, I have a dataset containing 2 independent variables (1. Region [North, East, South and West] and 2. Year [2010, 2015, and 2020]) and 4 continuous dependent variables (e.g. height, etc.)....

26 January 2021 9,329 3 View

How to plot data, if in a pair of values (for a paired t-test / Wilcoxon test) one of the two values is missing?

I have a dataset with 100 paired values (pre- and post intervention X). In 20 couples 1 of the 2 values is missing. When I compare pre- to post-intervention values, those 2 couples / rows will be...

04 December 2020 3,044 9 View

Python ODE: how to get the solution of last timestep with solve_ivp?

Hello, to solve a system of ODEs, I set up a Python-code with solve_ivp as ODE-solver. The solver is calling a function, which generates my ODE-system. Inside my ODE-system, I need the previous...

07 May 2020 914 2 View

Is there not a common root of LBM and SPH modelling incompressible fluid flows?

Is there not a common root of Lattice Boltzmann Methods (LBM) and Smoothed-particle Hydrodynamics (SPH) modelling incompressible fluid flows? I see common grounds by means of a mesocopic...

30 December 2019 3,550 7 View

How to interpret cross-level interactions in multilevel models?

My thesis-partner and I examine context level and individual level predictors effect on populist right-wing voting (i.e., Danish People's Party in Denmark) applying a multilevel logistic...

11 December 2019 7,738 2 View

Is the measured area in an image with a bigger scale in Y than in X dependent of the orientation?

I have an image with a bigger scale in Y than in X. In this image I want to measure several areas. Now I need to know, if the true area is dependent of the orientation of the object / area I...

06 June 2018 9,891 5 View

How do I calculate the adiabatic electron affinity of H3PO at MP2/6-311G++(dp) level?

07 November 2015 8,857 3 View

Forced-choice experiments with "don't know" options?

04 October 2015 5,247 2 View

How do I preload a cable, which has been already described by an equation?

Hello there, I try to conduct a dynamic simulation of a cable. The part for the cable I import by a self-written python script. I use the cable equation (input: length and pretension) to create a...

27 September 2015 4,075 3 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

How to access MSCI KLD Stats and Sustainalytics?

Hello all, I'm currently working on my undergraduate thesis and I'm having difficulties trying to access KLD Stats and Sustainalytics because my campus Airlangga University and apparently other...

02 March 2021 8,525 1 View

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

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

02 March 2021 3,858 10 View

New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before?

Question to you and THEM, the New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before? There appears to be a core problem for...

02 March 2021 3,024 2 View

Which is a lucid standard comprehensive book to guide on psychological scale construction and its standardization?

02 March 2021 7,082 3 View

LOAD DISPLACEMENT CURVES Stiffness increasing in ANSYS non linear analysis. HOW CAN I CORRECT IT?

Hi. I am doing non linear FE analysis using a new material beam under flexural 2 point loading using ANSYS. I have defined a bilinear material model. The solution has converged. In results I am...

01 March 2021 9,911 3 View

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01 March 2021 3,905 5 View

How to choose ANN number of hidden layers and nodes?

Hello, Could you please share any interesting research explaining how to choose the number of hidden layers and nodes per layer in case of regression problems using ANN? Thank you, any help would...

01 March 2021 6,200 3 View

Which group formation theory do you recommend for projects that aim to bring together entrepreneurs for training for regional development?

I would like to have ideas about which theories of group formation are suitable for entrepreneurial training projects, with the aim of creating bonds, building trust, and collaboration for...

28 February 2021 4,223 2 View

PUC19 as a transfer plasmid for lentiviral delivery?

Hello, Is it possible to use pUC19 as a transfer vector to be packed in using the second generation viral particles packaging system( pMD2.G; psPAX2 plasmids)? As far as I understand it there is...

28 February 2021 4,868 2 View