I am looking for information on oilfield formation water spill and the impact on terrestrial ecosystems. It seems this has not been previously described. Any input?
You can have a look at this two papers, I think they will be helpful
We found tests to determine cardiovascular risk taking into account lipid profile, blood pressure, age, history of diabetes, other laboratories. But when weight is involved, there is a paradox. I...
02 March 2021 6,036 1 View
Hello everyone. I am looking for a simple formula to compute the distance in Km between two points inside the Earth. I do not mean the usual problem between to cities (distance along the surface)...
02 February 2021 3,455 4 View
Hi, I'm trying to create a stable overexpression line with EF1a-FlagGOI-IRES-GFP using lentivirus packaged with pxPAX2 and pM2G. After transduction of 293T with 8ug/ml polybrene, I was able to...
29 January 2021 1,878 4 View
Ethics and moral values have always being an essential part of teaching and scientific research. How do you teach and evaluate these essential subjects in your daily interaction with students?
23 December 2020 5,058 7 View
I have 68nm spherical Au NPs, which gave me a concentration of 1.22 x 10^9 particles/mL. How can I calculate the molarity without the need for TEM?
22 November 2020 8,850 3 View
Our equipment of ITC does not reach the molar ratio (N=1) of a titration of EDTA with Ca2+ in MES buffer pH 6. We have cleaned with DCN 90 and HCl pH 2, but the N value is very low, around...
10 November 2020 3,137 3 View
In the research that I am working on, I need to migrate a graph database to sql to carry out tests, I am using neo4j as a tool, the information I have found is about migrating from SQL to neo4j...
09 November 2020 1,869 3 View
Hello, I am currently analyzing properties of some minerals such as Bi2O3 by MD using Materials Studio, I need to obtain the cohesive energy density (CED) to obtain the solubility parameter,...
02 November 2020 4,356 1 View
I want to calculate grain size and microstrains. I fitted my peaks with a Voigt function but the FWHM of the Loretzian contribution resulted to be nearly zero, lower than the FWHM obtained from...
28 October 2020 2,578 1 View
Hi. I'm working with soil enzymes and I have an issue because i saw several papers that used "integrated biological response" or IBRv2 to integrate data from enzymes and build a hexagonal star...
11 October 2020 5,131 3 View
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
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
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
I want to do wettability analysis of hydrocarbon oil (octane)/rock/surfactant solution system. but to do the analysis first I have to make rock surface oil-wet. Since hydrocarbon oil does not have...
27 February 2021 5,383 3 View
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
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
What is the disadvantages of high sulfur content to the ceramic burning process? and what is the effect of outranged viscosity?
24 February 2021 8,219 2 View
Oil and gas companies run gamma ray tool and take readings in API units while Gamma ray is also noted in cps, so how these units can be converted into each other?
24 February 2021 7,545 2 View
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
How can I remove my compound from paraffin oil? Mistakenly my compound fell in an oil. Compound = Europium complex
22 February 2021 5,667 2 View