How to remove crude oil or hydrocarbon from contaminated soils?

Soil may contaminated with crude oil and hydrocarbons ,which reduce its productivity. So what is the best way to recontaminated.

10 November 2017 3,533 1 View

How to convert a liquid fulvic acid to solid?

Fulvic acid is soluble in acidic and alkaline medium, so how i can convert it to solid?

10 November 2017 5,572 1 View

What is the range concentration of selenium in corn crop?

Selenium is benefit element for plants and animals. I want to know its concentration in shoot of corn crop.plz

10 November 2017 7,400 3 View

What is the best method for determining soil salinity by soil paste or soil solution?

The salinity of soil can determined by electrical conductivity meter , by soil paste extract or soil solution . the is differences between them .

10 November 2017 5,921 0 View

What is the best way to remove heavy metals from organic fertilizers?

Organic fertilizers such as cow manure has heavy metals, these fertilizers used with high quantities for improving soil properties and supplying nutrient . so how can increase the efficiency of...

10 November 2017 8,406 15 View

How is phosphate adsorbed by calcium carbonate in soils?

Calcium carbonate in calcareous soils reached to 50% of southern part of iraq. So addition of phosphate fertilizers to these soils adsorbed by calcium carbonate > I would like to know by...

10 November 2017 4,762 17 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View

Chlorinated organic formation in odor control scrubbers using hypochlorite?

I'm involved in a study of odor control technologies for municipal wastewater treatment plant. One of the control options involves a chemical 2-stage (acid/alkaline) packed bed scrubber. The...

03 March 2021 3,661 2 View

Ester cleavage conditions?

Hi all, I need to cleave the ester in Ethyl 2-amino-1H-imidazole-5-carboxylate to make the carboxylic acid and retrieve the product from solution to use in downstream applications of linking to...

01 March 2021 8,766 3 View

Gas sensor response and recovery time independant of flow rate and chamber volume?

I am trying to obtain the response and recovery times for my gas sensor device. It appears the the response/recovery times are primarily dependant on the flow rate of the gas I inject into the...

26 February 2021 1,511 3 View

How can we theoretically calculate Elemental analysis(percentage) of atoms in covalent organic framework?

For example in one research article the Elemental analysis values of COF-TpPa-1 ( Triformylphloroglucinol (Tp) (63 mg, 0.3 mmol), Paraphenylenediamine (Pa-1) (48 mg, 0.45 mmol) are as follows...

24 February 2021 1,265 6 View

How to Control Whiteflies in coconut leaves?

24 February 2021 1,005 1 View

Is this the write procedure for acid digestion of soil for heavy metal analysis using AAS?

How to do acid digestion of soil sample with 3:1 aquaregia in an open vessel?

23 February 2021 3,053 7 View

Physical-chemical formation of stalactites/stalagmites. what promotes the formation/growth of these structures?

I know, or think I do, the basic idea behind these natural structures, as from what I know they form due to water dripping from the top leaving a salt deposit behind. But started to wonder about...

22 February 2021 1,400 4 View

Are there packages (R or Python) for simple models (bucket?) to assess soil water content?

Hi everyone. I am researching droguht effects on soil water drought. I am looking for already implemented functions in R or Python to estimate soil water content from precipitation,...

21 February 2021 2,084 1 View

Which type of loading is to be used in dynamic analysis of Machien foundation?

Hello Everyone, Hope you all are doing well. I'm trying to simulate a machine foundation in ABAQUS with a geo-cell reinforced soil bed. Im totally confused to which type of loading would be...

21 February 2021 4,388 3 View