Can someone provide me ASTM C133 standard?

I need to perform the relevant tests to obtain results such as the resistance to cold crush and the refractory rupture modulusI need it to perform these types of tests

05 February 2019 1,082 3 View

What is the best method for lipids extraction of leaves?

Hello! I need to extract lipids from three plants. What is the best method { If you can help me with a protocol, thank you regards

27 April 2018 5,853 4 View

How are emission factors (CO2e)for solid waste components calculated? I believe LCA is involved but Im not sure how ?

07 August 2017 6,340 4 View

Can someone provide instructions on how to correct LA-ICP-MS data?

I have averaged my elemental intensities, I have my std values , created correction factor... Thank you!

07 August 2017 5,510 4 View

What are the main challenges of direct 3D printing with precious metals?

I am doing my dissertation on mass customisation and engineering of jewellery products. One of my aims is to find out why direct 3d printing in particular in the jewellery industry has not been as...

06 August 2017 6,323 9 View

How do I aggregate PLA-PEG nanoparticles?

Hello everyone!! Currently, I am working on the fabrication of PLA nanoparticles with PEG adsorbed on their surface. I am based on the article "The internalization of fluorescence-labeled PLA...

18 December 2015 2,751 3 View

Can someone identify the eggs found in faeces of the river Otter, Lontra longicaudis?

Our Group (Laura Jaramillo and me) have two other parasite eggs found in faeces of the river Otter, that are different of the previously discussed

17 February 2015 4,916 5 View

Can we really measure test-retest reliability in memory tests?

It seems obvious that there is a big difference between being repeatedly exposed to a reaction time task, in which minimal or any learning at all is expected, and to be evaluated several times...

09 October 2014 8,615 12 View

What is the most difficult factor for elaborate Biodiesel?

The main factors for produce bio fuels

23 April 2014 3,230 4 View

Do you know good and user-friendly programs to measure plant quantitative traits?

For my research i will need to measure plant quantitative traits (especially leaves area and roots length, but would be nice to add some more information). I recently discovered...

01 March 2021 5,035 2 View

What are the harmful effects of these extreme rainfall on the health of newborns? What are the reasons for that?

Extreme rainfall associated with climate change is causing harm to babies in some of the most forgotten places.

01 March 2021 5,647 4 View

Good morning research fellows, Has anyone worked with senna alata plant extract on any kind of fish?

Literatures on the piscicidal effect of sennaa alata is scanty. if you have any related litrature either in the bark, leaves or roots used as treatment to any aquatic organism please kindly help...

28 February 2021 9,138 2 View

Satellite orbit estimation using Recurrent Neural Network - what should I use?

Hello, I am a master's student studying in Yonsei Univeristy, Korea. I am trying to estimate the state of satellite, using Neural Network. Below is a simple flow of my study. 1. Train (t0 ~ t1)...

23 February 2021 6,383 3 View

Which microtomy technique do you suggest for thin and delicate root sectioning ?And, how to preserve and process the roots before sectioning?

We have thin roots of from 1 year old different species of plants. We are looking into anatomical details of the roots. What's the best method to preserve and process the roots once they are...

23 February 2021 1,898 1 View

Which root in this tap root system, in the picture attached, should be used for root sectioning in order to study the root anatomical details?

There are numerous roots in this tap root system. Kindly suggest or share a research paper where I can clarify the doubts as to which root should be chosen for sectioning and for further root...

14 February 2021 1,816 3 View

What is the relationship that determines the depth of the mechanical cultivator with the age or size of the weed For crops planted in lines?

the great depth of the cultivator may lead to passage under the roots without killing them and may give negative results to break up the soil below the roots, increasing their activity, especially...

03 February 2021 3,198 7 View

Why do high doses of humic substances inhibit the growth of corn roots? Is there a toxicity effect?

Length, volume, surface area and dry mass of corn roots treated with humic substances increased up to 13 liters per hectare and decreased with higher doses.

02 February 2021 2,190 4 View

Does the subsoil have an effect on the spread of weeds whose roots are more than 35 cm deep?

For weeds whose roots deepen more than the level of subsoil, they may be affected by this layer, for example, determined by height and growth, as well as limited to flower production and seeds.

01 February 2021 1,940 4 View

What is the magnitude of yearly rhizopdeposition in tropical forests?

Hi all, I am trying to find reference values on annual soil rhizodeposition rates for different kinds of forests, with a particular interest for tropical rainforests. Do we have an idea of the...

26 January 2021 4,278 4 View