What is the characteristic length to determine the Reynolds number for the scattered turbulent fluid flow?

Dear all, I just saw this example in FB on the difference between laminar flow and turbulent flow. The flow from a pipe hits the sink and scattered. The flow from the pipe is characterized as...

02 March 2021 1,999 5 View

Is IMPACT FACTOR justified in case of Taxonomy?

There is huge pressure of getting good impact factor on scholars now a days. On the other hand Taxonomy is a very dry subject and the concerned papers can only get citation in same group of organism.

26 February 2021 5,851 1 View

Why tick's salivary gland extract didn't run in the gel (SDS PAGE )??

Greetings, I want to make SDS PAGE for my sample (Tick salivery gland extract), I tried concentrations 10%, 12%. I also tried high molecular weight ladder. But the protein stopped at the top and...

25 February 2021 7,698 3 View

Is it possible to set a breakpoint at a specific DYNAMIC instruction using the GNU Debugger (GDB)?

Using GDB, it is straightforward to debug and monitor a target program by setting a break-point at a specific instruction, since the instruction addresses are known. However, we have two...

24 February 2021 1,598 2 View

How to measure the pH of Peat Soil?

Peat possess organic content above 75% and is highly acidic in nature (i.e. pH < 4). Before commencing stabilization, it is mandatory to know about the pH level of peat. Therefore, your...

18 February 2021 9,424 7 View

How to Measure Consumer Willingness To Change from petroleum-fueled vehicle to electric vehicle?

I wanted to calculate the probability of one consumer shifting from using a petroleum-fueled vehicle to an electric vehicle. Since my background is in engineering I do not know much about how to...

15 February 2021 9,190 5 View

Can Immunogenic BNT162b vaccines protect HUMANS from SARS-CoV-2?

"A safe and effective vaccine against COVID-19 is urgently needed in quantities sufficient to immunise large populations. We report the preclinical development of two BNT162b vaccine candidates,...

11 February 2021 6,628 9 View

Having trouble mounting the sections on the slides for IHC staining, what solution should I use?

Hello everyone, I just started learning IHC staining and I have some frozen sections to practice with in a 96-well plate. I'm having trouble mounting the sections on the slide, a colleague told me...

08 February 2021 6,880 3 View

Does Abaqus plugin AM-Modeler predict the same temperature/crystallinity history as UMATHT user-subroutine?

During AM process, progressively activation of elements can predict the temperature/crystallinity history, including surroundings heat losses and than this data could be used to determine the...

06 February 2021 4,686 1 View

How to use Image Lab to take an image for the bands and the ladder in the same image merged together in Western Blot?

Hello everyone. I was trying to use Image Lab software to take an image of both the ladder and the samples merged together in one image to see the position of the bands according to the ladder MW,...

04 February 2021 9,996 2 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

Is there any test to determine the cardiovascular risk of patients with obesity? from the perspective of obesity?

We found tests to determine cardiovascular risk taking into account lipid profile, blood pressure, age, history of diabetes, other laboratories. But when weight is involved, there is a paradox. I...

02 March 2021 6,036 1 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

Where can I find life cycle inventory or assessment of non woven materials?

Dear network, I am looking for the LCA or LCI or at least the energy balances of the non woven fabrics process for my master project, in specific for natural fibers, yet I have found...

02 March 2021 9,662 1 View

Can we distinguish the type of free fluid inside the pelvic and abdominal cavities whether blood or serous fluid using the ultrasound?

during ultrasound examination of acute abdomen, sometimes we see free fluid , can we know the type of fluid ,whether blood or not , using ultrasound only? if yes , what are the sonographic...

01 March 2021 7,476 4 View