Experimental design randomized or ?

Dear RG Colleagues, I am trying to study the effect of a biofertilizer and I am confuse about the experimental design. So I have : 3 plant species and only one factor "Biofertilzer" and my...

07 August 2019 1,416 4 View

Can you identify this plant species?

Dear RG Colleagues, I need help to identify this plant. I found only four individuals. Thank you Regards AK

04 May 2019 1,842 31 View

How can we protect Biodiversity (plant and animal species)?

Dear RG Colleagues, When we start a research project with the purpose of publishing and sharing the results in a scientific journal, we are often asked to give the geographical coordinates of our...

04 May 2019 6,795 29 View

Vulnerable or endangered species?

Dear RG Colleagues, What could make a research study conclude with: " This animal or plant species is endangered and must be mentioned in the red list" ? What are the most important criteria to...

31 December 2018 6,846 7 View

Can you identify this plant species?

Dear RG Colleagues, Can someone help me to identify this plant species? Thank you Abdenour

31 December 2018 1,406 12 View

Can you identify this tree species?

Dear RG Colleagues, Can you please help me to identify this tree species?! Best regards Abdenour PS: Best wishes through this happy new year

31 December 2018 5,836 8 View

Today I'm not asking a question?

Dear RG Colleagues and Friends, Wish you a bright, prosperous, and glorious new Year ahead. Happy new year. New hopes! New resolutions! New Aspiration! Love N Laughter in your life! Peace N...

11 December 2017 4,993 0 View

Can the degre of freedom be ZERO?

Dear Colleagues, Whan I was doing ANOVA, correlation between A and B turns to ZERO, so no Pr. How can you explain that? Thank you

10 November 2017 1,208 6 View

What plant species you gonna choose?

Dear RG Colleagues, If you have to choose between the thousands of species that exist on Earth, leaving only one species, which one you will choose?

10 November 2017 351 12 View

Survey about plant

Dear Colleagues, If you are asked to choose only one plant species with which you will live all your life, what plant would you choose ?! And why? if it is possible

06 July 2017 6,746 8 View

Does the pressure(-600 mmHg) affects pH?

When I conducted the degassing experiment using decompression under anaerobic condition(and I used ferrous based chelating agent), the oxidized ferric were observerd. So, could you tell me the...

03 March 2021 4,892 5 View

Which database would give me this list of chemical components?

Dear colleagues: I would like to know if anyone knows of a database that gives me the parameters pH, K, K, Mg, P, C, N, Zn, Cu, Ni and Cd of common foods. I find a lot of information of proteins,...

26 February 2021 5,525 3 View

Why is NH4OH added in heavy metals limit test?

The limit test I'm referring to is USP method II. In this procedure you need to dropwise add 6N of NH4OH to the sample until it the pH is alkali. After that you need to dilute and add HOAc until...

23 February 2021 2,049 3 View

Is there an ideal incubation time of RGO-modified SPCE before subsequent use, i.e., electrochemical characterization or further modification?

I notice that upon washing and air-drying of my RGO/SPCE surface and characterizing again via DPV, the current response towards ferricyanide probe significantly decreases. My worry is that the...

22 February 2021 5,324 3 View

No title

22 February 2021 9,932 11 View

Can anyone help or comment on solubilising chlorobutanol in aqueous injections in minimum time possible?

Please suggest solubilisation of chlorobutanol in injections. Tried pH and high temperature. But the issue is of assay drop. If anyone can suggest any solution. Its a commonly used excipient for...

21 February 2021 7,397 1 View

What reaction will occur when adding hexamine into ammonium nitrate in an acidic medium?

Hello, I am investigating properties of water in oil emulsion explosives. And adding hexamine (hexamethylenetetramine) into one of the phases that are used to make the emulsion should increase the...

21 February 2021 8,680 1 View

What properties of water shall be analyzed and evaluated to test the effectiveness of activated carbon?

I would like to ask what other properties of water (pH and such) shall be analyzed and evaluated to test the effectiveness of activated carbon from filtering the contaminants present in the water?

20 February 2021 9,422 8 View

Phenol-pH graphic?

We want to use phenol pH graphic to measure the pH of mediums before and after inhibitor application to cells. We have phenol absorbence values at 460, 560 and 720 nm wavelength. When we measure...

20 February 2021 7,700 3 View

How to measure the pH of Peat Soil?

Peat possess organic content above 75% and is highly acidic in nature (i.e. pH < 4). Before commencing stabilization, it is mandatory to know about the pH level of peat. Therefore, your...

18 February 2021 9,424 7 View