In your opinion, what is/are the possible cause(s) of the Dead Sea water level lowering?
https://www.thenational.ae/uae/environment/the-dead-sea-is-dying-thousands-of-sinkholes-shrinking-water-level-at-rate-of-1-4-metres-a-year-1.674553
hello I would like to ask for help regarding calculation of dilution factor to get the amount of mycotoxin per gram of sample. the extraction protocol as fellow: -ground 5 g of sample with 25 mL...
29 November 2020 1,831 15 View
I want to separate 2 compounds on HPLC, and I have made the preliminary studies on TLC using reversed phase plates and 100% ethanol as mobile phase which achieved complete separation. Now I want...
13 August 2020 2,229 3 View
hello, I am working on the extraction of trichothecenes from the grain of wheat and I would like to ask how is it possible to calculate the concentration of toxin ug per gram of wheat? the...
17 March 2020 7,469 3 View
How I can get source code for 802.11a PHY layer in matlab without using simulink?
27 December 2019 2,191 3 View
i need a simple method for treating wood with nanoparticles preferably without conditioning
12 August 2019 4,647 4 View
I've been measured the percent of my concentration series (R2 = 0.998) but the data weren't covered value more than 50%. Should I repeat my experiment or I just extrapolate the regression...
29 July 2019 2,899 5 View
Is there any method (green one) to produce SrCO3@NiO nanocomposites?
17 March 2019 6,377 4 View
Combination of morphometric and colorimetric has been applied for feature extraction in detection algorithm. In noisy background, this CV technique facing wrong identification results as well as...
20 August 2018 845 6 View
hii all, i am culture a E.coli bacteria with LB Broth, what the Appropriate condition that i can growth the E.coli (temperature, pH, Shaking, time) ? and how i can ensure that i have a E.coli in...
28 May 2018 7,531 2 View
Dear All, I have find the different equation as usually to use for dpph inhibition on extract. How to validate the result that the equation was correct Please check the equation formula on the...
03 May 2018 1,394 5 View
Good morning everyone, Due to the pandemic, I conducted several online surveys. It is quite agile, not at all expensive, but there are several problems: the sample's representativeness and its...
21 February 2021 7,457 3 View
Hello everyone I would like to improve the buffer capacity of seawater (pH ~8) in order to dissolve as much CO2 as possible without dropping the pH below 7.5 (a range between 7 - 7.5 is...
17 February 2021 2,797 2 View
when I put my ZnS solution in the chemical bath, the ZnS oxidizes so there are ZnO peaks appearing because of the reaction with the oxygen in the air, despite the fact that I close the beaker...
14 February 2021 5,778 9 View
I am doing research on the impact of competitive bidding on project success and would like to use SEM. Project success shall be: cost overage, completion time, quality of works and variation...
13 February 2021 4,413 6 View
Hi everyone. We want to know how can I remove the non-specific band amplification on this variant. Although the amplification of non-specific band is not as intense as the band that we want, but...
09 February 2021 588 2 View
From long Pendamic now government is opening school and colleges on for off line classes. What do you think that this decision is fruitful to the students and society too?
08 February 2021 3,068 6 View
Taking a fractional ODE problem as an example. It has come to my attention that if the fractional order parameter is in the interval (0,1], many only presents results for alpha=0.9, 0.99. I saw...
08 February 2021 9,671 3 View
I am interested in doing research on attitudes towards violence against women and the factors that impact attitudes in South Africa? Does anyone know which attitude scale I can use to measure...
06 February 2021 3,076 1 View
Hi everyone, I am writing a research proposal for my masters applications and am in dire need of guidance. I suggest to quantitatively investigate the potential correlation between feminist...
05 February 2021 3,666 8 View
In statistics most of the time, we use these two-term exchangeable, but in my opinion, there is a difference between them. Please suggest your opinion
04 February 2021 7,407 7 View