In your opinion, which is the best software for reviewing Papers? Why?

How effective and helpful is it, really.

25 January 2021 6,988 73 View

Spatial thinking and geographical reasoning: what are their conceptual differences and interrelations in teaching geography?

I am conducting a state-of-the-art analysis of these concepts. If you have contributions, please, send me.

17 January 2021 1,123 3 View

Any suggestion of free of charge questionnaires that measure mood states?

I need a free of charge and short questionnaire that measures mood states. The questionnaire will be used as in a neuropsychological evaluation study. It is well known that mood states can...

16 January 2021 8,284 4 View

How do i interpret this inconsistent mediation in my results ?

Dear all and any, I have run a mediation analysis on SPSS using the PROCESS extension (model 4). My results don't really make any intuitive sense, where my ID (availability of healthy fast foods,...

09 January 2021 7,812 2 View

Do chemical and physical properties influence on the size of a polymer particle?

I would like to know if the properties of a polymer impact on the size of the particle it forms. I'm working with different polyssacharides (alginic acid from different seaweed), which are...

29 December 2020 7,333 6 View

How can you alter line thickness in emmip plot (R)?

I am working with R and plotting emmeans graphs, yet I cannot find online how we can change the line type or its attributes using the emmip function. I have two independent categorical variables,...

27 October 2020 9,339 1 View

Does anyone know methodological references with techniques for random allocation (randomization) in Qualitative Research?

If that makes any sense....

03 October 2020 3,845 9 View

In indirect ELISA, how much recombinant protein should be add per well in 96 well?

19 September 2020 449 3 View

Tukey or Multiple t-tests ?

Hello everyone. I am conducting an experiment to evaluate if a compound inhibits a parasite growth quickly or slowly. To do this, I measure the IC50 of this compound when it acts for 24h, 48h or...

07 September 2020 5,361 5 View

Why do I have multiple peaks in my melt curve?

In the primer validation, with the serial dilution of the cDNA, I have a melt curve with a single peak. However, when I do the gene expression using control and treatment samples (I am evaluating...

17 August 2020 2,793 5 View

Is there any limitation of number of variables when doing Panel Data ARDL model analysis in Stata 13.0 version?

I have one dependent variable (HDI) and 14 independent variables within the time period 1990 to 2016. when I run the command (xtpmg.............pmg) the answer is *matsize too small* then I...

23 February 2021 9,448 5 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

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

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

Cell culture Vitamin D free media ???

Dear researchers, I am working onn the influence of vitamin D on cancer. I was wondering whether ther is Vitamin D free media , since I wanna be completly sure of my negative control without...

01 November 2020 582 2 View

What's the difference between fertigation and hand applying fertilizers to fruits in terms of nutrients uptake and availability ?

two scenarios: 1) the fertilizers mixed in water and applied to the base of the fruit plant 2) fertilizer nutrients applied through drip irrigation (FERTIGATION) Q: In which scenario, nutrients...

26 October 2020 4,497 14 View

To deal with nutrient quality variability during feed formulation, what do you do from the following?

A: Use actual values from NIRS B: Use a margin of safety C: Use stochastic programming D: Do nothing about it

18 October 2020 7,123 5 View