What common set of parameters do you usually include when determining the soil quality index in your locale?

I want to understand better the usage of parameters on soil quality index determination.

06 January 2021 974 6 View

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What are the technicalities involved ? What are the reasons ? Can we share some facts on this

31 December 2020 5,698 5 View

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31 December 2020 6,159 4 View

Don't we think use of non-functional drugs in different Nations led to genome re-engineering by Sarscov-2 virus to survive,& turns to variants ?

Re-engineering of genome my Sarscov-2 and emergence of variants now in UK, USA, South Africa, Nigeria and now upcoming in other countries.. What are the key facts and reasons ? Thank you...

31 December 2020 745 4 View

Is the "Releve" method still standard protocol for plant community sampling and percent cover estimation?

I am not a botanist but need to estimate the average percent vegetation cover of my study area. I have researched this and found articles that use the "releve" method for determining plot size...

22 September 2020 5,676 6 View

What colour does your Pd(PPh3)4 catalyst have during and after C-C coupling. Especially in Stille-reaction?

Hello, I am working on a C-C coupling of a strong electron accepting aryl-cl and Bu3Sn-Benzonitrile. I was able to synthesize my product but the yield is very low. I always have a big residue/...

10 August 2020 6,762 8 View

Compare varying parameters with limited experimental setups?

Hello colleagues, I am currently working on solar desalination experiments. I have to find the optimum angle at which my solar still gives maximum performance. But I only have two solar stills and...

15 March 2020 6,416 4 View

How to measure the inside temperature of the glass in a solar still, without the effect of irradiation of sun on the thermocouple?

I am building a solar desalination still and the inside glass temperature is required for the condition whether the glass has attained the dew point temperature of the vapor inside the still. I am...

09 January 2020 4,435 3 View

Is any data available as to the angular dependence of Young's modulus in carbon/epoxy 2x2 twills?

22 December 2019 9,073 1 View

In Abaqus, is it possible to remove some elements from a sequence obtained by getByBoundingBox() ?

Basically, I tried to do the following: >>> p1 = p.edges.getByBoundingBox(-1,-1,-1,1,1,1) >>> p2 = p.edges.getByBoundingBox(-0.26,-0.26,-1,0.26,0.26,1) >>> pickededges...

26 October 2019 4,530 3 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View

12% ledeburitic cold work tool steel, etched for revealing retained austenite, any help for clarifying?

Hello everyone. Given microstructure image belongs to a 12% ledeburitic cold work tool steel (annealed and tempered). The sample was etched with picral (100 mL ethanol and 4 g picric acid). I...

02 March 2021 4,119 3 View

Why Austenite grains in steel show much more twinning than ferrite grains?

It is oftentimes said to be a distinctive metallographic trait that differentiates a fully austenitic and a fully felly ferritic steel without etching that might distinguish between two. Why...

02 March 2021 728 2 View

How to define and get results (stresses) for certain points of a model in abaqus, using python? When the size of the model changes?

I want to do a parameter study of a aixsymmetric cylinder in Abaqus. I want to create several jobs where I get the stresses for 3 different points in my model. These points are defined. I wrote a...

01 March 2021 10,078 1 View

LOAD DISPLACEMENT CURVES Stiffness increasing in ANSYS non linear analysis. HOW CAN I CORRECT IT?

Hi. I am doing non linear FE analysis using a new material beam under flexural 2 point loading using ANSYS. I have defined a bilinear material model. The solution has converged. In results I am...

01 March 2021 9,911 3 View

What are the countries most affected by extreme rainfall as a result of climate change?

Increased heat, drought and insect outbreaks, all associated to climate change, have increased wildfires. Decreasing water supplies, declined agricultural yields, health impacts in cities owing to...

01 March 2021 7,168 9 View

How Can I bring as much common elements in steel as possible to calculate stable phase(s) in OpenCalphad?

As I was tweaking step-by-step OpenCalphad6 Macros step1.ocm involving phase and thermal property calculation of a High-speed steel, I could not incorporate more than 6 elements in the steel...

01 March 2021 8,840 1 View

I need to accelerate corrosion in steel parts that are used in a salt-water environment. Is there a technique for doing so?

I have a structure that employs d-ring swiveling tie-downs that corrode during use and become "frozen". I have sample swivel assemblies that I wish to corrode to see if I can free them using one...

01 March 2021 3,739 3 View

What is recommended for solid domain in ANSYS FLUENT?

Should I mesh the solid domain ? or should I use wall thickness? or Shell conduction? for Heat Transfer between two fluids of a Heat Exchanger. what is recommended?

01 March 2021 9,785 3 View

Heat exchanger with liquid Nitrogen as coolant?

I want to cool Natural Gas from 195 Kelvin to 138 Klevin in a heat exchanger by using liquid nitrogen as the coolant medium. When entering the heat exchanger, the liquid nitrogen will have a...

01 March 2021 6,450 5 View