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

error in running a model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

error in modelling model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

MGL tools

20 June 2021 0 0 View

i have some problem with chtMultiRegionSimpleFoam

--> FOAM FATAL ERROR: Maximum number of iterations exceeded From function Foam::scalar Foam::species::thermo::T(Foam::scalar, Foam::scalar, Foam::scalar, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar) const) const [with Thermo = Foam::hConstThermo >; Type = Foam::sensibleEnthalpy; Foam::scalar = double; Foam::species::thermo = Foam::species::thermo >, Foam::sensibleEnthalpy>] in file /home/ubuntu/OpenFOAM/OpenFOAM-4.1/src/thermophysicalModels/specie/lnInclude/thermoI.H at line 66. FOAM aborting #0 Foam::error::printStack(Foam::Ostream&) at ??:? #1 Foam::error::abort() at ??:? #2 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::calculate() at ??:? #3 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::correct() at ??:? #4 ? at ??:? #5 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" #6 ? at ??:?

24 March 2021 0 0 View

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View

Arena simulation - how do i model the following model in ARENA (see description) (new to ARENA)?

Hello, I'm fairly new to ARENA and I have the following problem: I have two queues in which, in each queue, a different order type arrives (both having an arrival rate of exponential 10). Order...

02 March 2021 2,431 3 View

How to repeat an operation on an atom selection for multiple times in PyMol?

Hi, I am trying to construct a multi-layer fibril structure from a single layer in PyMol by translating the layer along the fibril axis. For now, I am able to use the Translate command in PyMol...

02 March 2021 4,569 4 View

Which SAR dataset to use for generating coherency matrix and performing target decomposition (Description) ?

Working on chandrayaan-2 DFSAR data, there are three datasets available: 1) Slant range image data product: The slant range complex image file. Each pixel is represented by two 4-byte floating...

02 March 2021 8,481 3 View

Does anyone know HRM channel in a 2 plex QIAGEN Rotor- Gene Q qPCR can be used as a separate channel?

I am going to have 3 different probes in my qPCR work that I am going to do. But I realized that the machine we have in the lab is a Rotor-Gene Q 2plex HRM Platform, saying it has green, yellow,...

01 March 2021 8,544 1 View

How UAV or drone can be beneficial to better estimate crop yield?

As we know, crop yield estimation has been done traditionally with farmer's expert knowledge, deductive sampling in representative areas, and remote sensing with satellite imagery. Farmer's Expert...

01 March 2021 3,468 3 View