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Hi there! I'm very new to r and trying to run a multi-level meta analysis using pre-calculated effect sizes. I've attached the datafile below. The script I used as a first step to fit the model...

12 January 2021 8,214 2 View

How to purify a recombinant protein from Ecoli to reach a cell culture purpose?

05 October 2020 502 7 View

Can hypoxic air (1% O2, 5% CO2, 94% N2) buyed from the market?

I need hypoxic air (1% O2, 5% CO2, 94% N2) for hypoxia experiments, can I get/buy some hypoxic air from the market?

14 July 2020 5,471 2 View

How to improve the thorn resistance of textiles?

Unlike body armor, the body armor faces a smaller area of knife tip. Although the energy is small, some body armor does not prevent the knife from penetrating.Moreover, if the use of composite...

24 November 2019 928 4 View

Theoretical max-min of Gibbs free energy?

Hello all, Does anyone know if there is a theoretical maximum and minimum for the Gibbs free energy? In other words, under constant physiological conditions, can one calculate the possible...

04 July 2019 8,773 5 View

Optical and radiative properties of molten salt?

The thermal radiation transfer in molten salt is usually neglected in researches. Does anyone knows the reason ? Are there any research (experimental data) focusing on the absorption coefficient...

30 June 2019 1,243 3 View

What about Multiple comparisons in a linear mixed model in R?

I'm doing the analysis with a linear mixed model.Because the sample size is different, the Scheffe test is used for the multiple comparison of my data. However, I do not know how to write code in...

09 January 2019 2,517 6 View

Apply concentrated pore fluid: This node set is not active in the model?

Hi everyone, I was modelling DFIT (Mini-fracturing) in Abaqus and applied a concentrated pore fluid into my model. However, there is error saying: A concentrated load has been specified on node...

04 December 2018 7,840 2 View

How to simulate the wick structure in a loop heat pipe?

Dear researchers: I am a newbee in the CFD simulation. Now I wish to simulate the wick structure by Fluent and the evaporation process in this region. The wick is saturated with water and being...

18 September 2018 9,281 12 View

Research problem in Agriculture using predictive analytics ?

How predictive analytics can be used in agriculture?

22 June 2018 4,484 4 View

Is stone a sustainable material? Is it a sustainable approach to use natural stone waste in architecture?

I'm designing a zero-waste restaurant and considering using marble waste to make some tables and a bar countertop. My clients think it's not "sustainable enough" and I would like to have more...

01 March 2021 4,326 7 View

How the values of errors can be calculated for thermodynamic data?

I have calculated thermodynamic parameters for surfactant solutions in aqueous and mixed alcoholic solvents. I want to calculate the value of errors in the data and represent it in the table along...

22 February 2021 239 2 View

How to get/count refractive index in gasses?

20 February 2021 8,202 6 View

How do you annotate figures to show significance?

30 January 2021 1,008 3 View

How to use multiple tables to generate a graph in Graphpad Prism?

I have two different tables: one for metabolic activity of the cells in a plate, the other one is the Total DNA assay from the same plate. I need to generate a graph which represents metabolic...

29 January 2021 3,294 5 View

Regarding to presentation of pairwise comparison of data?

22 January 2021 8,648 1 View

How to calculate the number of degrees of freedom in a Mantel test?

Hello, I've performed a Mantel test between my microbiological data and the geographic distance where those samples were collected, using a table with 516 samples. However, the test doesn't...

16 January 2021 8,713 4 View

Which statistical test to use for comparing percentages between multiple groups?

Hello everyone! I am looking for some statistical help! I am working in in vitro micropropagation and one of the aspects that I am studying is the rooting of plants in 10 different growing media....

14 January 2021 7,575 5 View

How to determine Viscoelastic and Hyper Elastic Material Properties for Abaqus by mechanical testing ?

I am studying about Impact load resistance property of Polyurea (Elastomer). With respect to this, I need to conduct tests on this material to evaluate its material model behavior as a...

29 December 2020 2,969 1 View

Problems in Simulation of Carbon Dioxide discharge from pipe using fluent (Read description below)?

I am trying to simulate carbon dioxide discharging from the pipe using ansys fluent and want pressure variation with time inside the pipe. The geometry consists 144m long pipe and 146.36mm inner...

25 December 2020 1,533 3 View