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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

What is the nutrient requirements for E.coli BL21 CodonPlu RIPL strain growing in M9 medium?

Hello. I want to isotopically label the my protein, and I express it in BL21 RIPL using M9 minimal media. It grows extremely slow. I inoculate the colony from a fresh M9 plate into 5ml M9 medium...

17 February 2021 2,852 2 View

Can I modify vermiculite or perlite by adding nutrients to control a certain situation?

I need to assimilate a determining condition for the plant. However, I need to ask you if it is possible to change the properties and concentration of plant nutrients in this material like perlite...

04 February 2021 8,616 11 View

Seeds harvest from white clover by selfing?

I tried to get seeds from white clover by self-fertilization but I could not get the seeds. As you know the white clover is generally fertilized by crossing. I wanna get the seeds by...

04 February 2021 9,152 4 View

Time taken from pollination to fertilization in solanaceous crops?

How much time is required from germination of pollen grain on stigma to fertilization in Solanaceous crops (chilli, tomato, brinjal)?

26 December 2020 887 5 View

Should you include the charge when writing out ions or ionic compounds?

I'm writing a chapter about the nitrogen cycle and discuss the different forms of reactive nitrogen such as NO3 and NH4. I also have some soil places where I discuss soil cations and others where...

22 December 2020 3,753 3 View

Is it machine learning models that have replicability capability?

We are doing the prediction of soil nutrients using spectral information by applying machine learning models. More than 300 soil samples were used from one district for analysis. We got the...

21 December 2020 9,663 3 View

How to find at which time point there is significance and between which groups in a repeated measures ANOVA?

I have conducted a repeated-measures ANOVA and a Tukey post hoc test. The data I have is for 3 seedling mutant lines, I am comparing their root growth over a timecourse of 19 hours. Within each...

13 December 2020 9,868 5 View

Why do the allelopathic produce a positive effect?

Following an experiment where Zea mays and Cucurbita pepo seeds were planted individually and together, results showed a positive allelopathic effect on germination and seeling lenght as both...

03 December 2020 1,875 6 View

Can someone provide me hoagland nutrients protocol modified for alfalfa?

I am looking for a good Hoagland nutrients solution protocol modified for alfalfa (stock and working). I will use it for hydroponic cultivation of alfalfa. I am not satisfied with one I have. I'll...

25 November 2020 1,791 1 View

Why Bryophylum Plant lower leaves turned yellow at Early arrival of winter. It is due to stressful conditions or nutrients problems?

Winter, Yellose, stressful conditions, nutrients unavailability, water unavailability. Pic attached. Bryophylum plant.

09 November 2020 8,526 8 View