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

How is selenate adsorbed by clay, calcium carbonate, and organic matter?

Selenate ion is adsorbed by soil components , i would like to know mechanisms of its adsorption

10 November 2017 7,617 2 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 are anisotropic electrical and optical properties of a semiconductor due to?

In some materials, properties such as band gap, thermal conductivity differ along different crystallographic axes. What are the basics?

01 March 2021 1,923 3 View

What could be reason for getting such type of graph for complex impedance in case of polymer blend films?

Its effect appears in real part of ac conductivity also. Can anyone suggest any reason behind it?

26 February 2021 3,487 3 View

Modeling viscosity using model of Chung?

Hello, As part of simulation of gases mixture and water, I need to calculate viscosity of the fluid components and I am using relationships proposed by Chung et al. (1988). The irony is while I...

25 February 2021 8,053 5 View

How do I choose contrasts in SPM8?

I am learning how to use SPM for PET and PET-MR analysis, but I haven't found any great resources that explain how contrasts work. I have a series of PET images where our hypothesis argues that...

24 February 2021 1,534 2 View

How can I verify my centrifugal fan design for electric motor cooling?

I have radial blade centrifugal fan design which will be mounted on exhaust side of electric traction motor. The fan will be mounted on same motor shaft inside the housing. How can I verify that...

23 February 2021 2,390 3 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

What is the system of units used in the thermal conductivity by Spitzer and Harm?

23 February 2021 9,253 1 View

Three-way robust ANOVA in R?

I am trying to conduct a three-way robust ANOVA in R using the WRS2 package as: t3way(Stem ~ Species*Temperature*Salinity, data = tutto) and there is an error saying : Error in if...

22 February 2021 1,674 8 View

Which thermal conductivity test recommended for Ag-Cu nanofluid?

I have prepared Ag-Cu alloy with polymer coating upon it.... how can I measure thermal conductivity of it ?

22 February 2021 5,915 3 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