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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

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

03 March 2021 8,272 1 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View

Is There Any Feasible Method To Test Fluorescent Compounds Other Than Fluorescence Spectrometers ??

Is There Any Feasible Method To Test The Efficiency Of Fluorescent Compounds Other Than UV Spectrometers ? Suggestions Would Be Appreciated !

02 March 2021 5,785 3 View

Research on Supply Chain Management in Indian context?

Hi, I am planning to apply for the PhD degree in the Supply Chain Mgt. with specific area of "Cold Storage warehouses" during Pandemics and wars. Where lock downs and shut downs are frequent....

02 March 2021 285 2 View

Can water be extracted from Olivine?

I have always been interested in geology and wondered about how unique structures of materials behave in different circumstances. I stumbled upon Olivine, the magnesium iron silicate, and heard...

28 February 2021 7,330 4 View

Why initial concentration of Pb not the same as calculated one when testing using AAS?

I am currently doing research on the adsorption of heavy metal using magnetic reduce graphene oxide. I use AAS to determine the concentration of the heavy metal. I prepare the Pb solution with...

26 February 2021 9,580 4 View

Why do the air flow results vary totally when adding scalar in CFD ?

Dear All, We are using Autodesk cfd to calculate the air flow in a single sided naturally ventilated room, where air flow depends only on buoyancy due to temperature difference between inside and...

25 February 2021 9,602 4 View

How does charge on working electrode changes with rising potential?

During performing CV of a GCE or modified GCE, we rise the potential in the first half of the cycle and reduce it in reverse half. During the first half, what is the nature of charge on GCE or...

25 February 2021 7,994 3 View

What is the suitable range of Sulfur content and Viscosity of Heavy fluid Oil that used in Kiln?

What is the disadvantages of high sulfur content to the ceramic burning process? and what is the effect of outranged viscosity?

24 February 2021 8,219 2 View

EMSA troubleshooting. Protein-DNA complex not migrating, cold probe lane with multiple bands. Can anyone help?

I'm running an EMSA to show the DNA binding activity of recombinant proteins versus the Wild type. Previous assays run by my research group using a different test system show the protein-DNA...

24 February 2021 8,325 1 View