Comparing means values by using Tukey HSD test?

Hello, I am performing statistical analysis of my research data by comparing the mean values by using Tukey HSD test. I got homogeneous group in both small and capital alphabets. This is because...

07 August 2018 6,363 9 View

Statistically analyse the research data?

Hello, I am preforming research to check the impact of different storage bags on the damage parameters of maize due to red flour beetle at different storage times. Treatments: 8 storage bags...

07 August 2018 8,966 4 View

How to adjust the pH of sodium metasilicate when applied in field?

Hello everyone, I studied some research papers that soil pH will be changed after the addition of sodium metasilicate. So many of them used 0.01N H2SO4 for adjusting pH under laboratory and...

08 September 2016 2,120 3 View

Resistance investigation in wheat against wheat aphids?

Hello everyone I want to perform a prelimainary experiment for checking the resistance of six wheat varieties against wheat aphid under laboratory condition. For this I will sow 10 wheat seeds of...

07 August 2016 7,292 4 View

How I will comapre silicon concentration from 2 different field by using ANOVA?

Hello, I have selected 2 different fields for silicon determination from soil. These field are present on the same location. Two soil samples (top soil and sub soil) are taken from each field for...

07 August 2016 2,965 5 View

How I can dissolve CaSiO3 in water for applying to plants?

Hello everyone, I want to dissolve calcium silicate (CaSiO3) in water and then applied to wheat plant, but according to literature it is insoluble in water. So kindly tell me that method which...

07 August 2016 3,953 3 View

Gravimetric method for silicon determination in the soil?

Hello, I want to determine the available silicon concentration (g/kg) in the soil by using gravimetric method. Can anyone please tell me the complete procedure how to use this method?

04 May 2016 7,240 2 View

1 L tris-HCL 0.1 mol/L buffer?

02 March 2016 7,270 1 View

Best way for determination of aphid biology in field?

Clip cages are used in laboratories for biology determination of insects. Can anyone please tell me the best way to find out the biology of small insects like wheat aphids in the field condition?

02 March 2016 4,940 3 View

How to prepare different concentrations of calcium silicate?

I have 1 liter calcium silicate solution and want to prepare ten different concentrations of the silicate to treat wheat plants under laboratory condition by soil and foliar application. Can...

02 March 2016 9,870 4 View

Does Napabucasin soluble in dichloromethane and in ethanol?

I need to prepare a solution of Napabucasin (inhibitor of cancer cell stemness) in dichloromethane. The drug is expensive, so maybe somebody already tried to do it. If it is soluble, what is the...

02 March 2021 9,945 3 View

How to separate water from glycerol solvent in a solvent recovery vacuum distillation column?

I am currently doing my third year design project. I have been assigned to design a glycerol recovery column in vinyl acetate monomer production. The process unit before the recovery column is an...

01 March 2021 9,525 4 View

What is the state of the drug inside solid lipid nanoparticles (SLNs)?

I am a little confuse with the mechanism of solid lipid nanoparticles (SLNs). The main point of encapsulating drugs into SLNs is because some drugs have low solubility in water. Therefore, SLNs...

01 March 2021 3,703 3 View

Why is the sum of the elements in a row in a Q matrix equal to zero?

When explaining substitution models, the substitutions are expressed as Q matrix. Why is the sum of the elements in a row zero?

28 February 2021 3,864 3 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

Does different dilution factors affect negatively on NH3 reading ?

I have a sample of treated water sample & asked to obtain ammonia conc. in sample using a machine with 5-25 ppm detection range. However, upon testing with different dilution factors, all...

27 February 2021 8,483 3 View

LEDs on Vis Light photo degradation of MB water sol via N doped TiO2 in a mini flume?

Good day to all, I have no experience with light emitting diodes. I am building a glass mini flume to demonstrate the photo degradation of Methylene Blue in water running over self cleaning...

26 February 2021 4,026 5 View

Do you kow of any database containing data on retention time, log P and polarizability for a large number of molecules?

Hi, I am a chemistry undergraduate doing my dissertation project on HPLC. In my project, I need to predict the HPLC retention time of 20 aromatic molecules, the calibration set. To do this I will...

24 February 2021 2,602 1 View

To date, according to health authorities, 30% of the population's diseases are initiated by drinking water pollution. Do you know this problem?

The main studies are as follows: * regular and timely receipt of information about the state of the environment using automated systems (stationary and mobile); * operational analysis of the...

23 February 2021 912 5 View

Multinomial probabilities and confidence intervals - obtaining the CI of the reference category?

Hi, Some background to my question: I have fitted 1st order multinomial Markov models with covariates. Since all probabiilties (for each row of the transition matrix) sum to 1, I estimate only...

22 February 2021 2,541 4 View