Do you know any free clinical Covid19 database available?

Hello, everybody. I would like to apply machine learning techniques to clinical data of patients with Covid19. However, I can not find any clinical database of Covid patients, do you know any...

02 December 2020 706 8 View

Thermo LCQ Advantage unstable mass reading by electronics failure?

Hi there. Operation of a Thermo LCQ Advantage was perfect until turned it to stand-by. Next day, the system was turned on and everything seemed fine. However, TIC signal completely disappeared in...

06 July 2020 3,119 2 View

Field studies of nearest neighbor distance: how do you handle cases with no neighbors in sight?

In studies in which one of the variables recorded is the minimum neighbor distance of a number of focal animals, how do people handle cases where a neighbor cannot be identified? Excluding them...

25 April 2020 1,116 5 View

Which contrast agent would you choose to assess animal vasculature by histology in the context below?

Dear all, I would like to assess by histology the degree of vascularisation that occurs on a mouse bone after the local administration of a certain compound. I've thought to administer a contrast...

01 September 2019 3,689 1 View

How I can program a PIC?

Hello. My name is Enrique Mesa. I am looking for ways to program a PIC microcontroller at home. I am a student planning to do a project this semester for university. I plan to purchase a...

15 June 2019 7,298 5 View

Hello, any suggest for a research in iot security ?

I need to define a topic,It should not be so extensive to be able to cover in a good way.My idea is to make a security comparison between two IoT technologies,however i feel the topic stills too...

12 June 2019 3,221 3 View

How can I assess activation of Notch signaling in HUVECs?

Hi! I'm little new on this signaling pathway, but I'd like to test if certain compounds can activate Notch signaling on HUVECs. As a positive control I'm thinking on using Jagged1. Which...

03 January 2019 1,432 3 View

How to make multiple selection cases on SPSS software?

Hi, I am new on SPSS, I hope you can provide some insights on the following. I have a data base of patients which contain multiple variables as yes=1, no=0. I want to work on this data based on...

06 November 2018 5,359 4 View

What is happening with my Cary Uv-Vis 100 spectroscopy equipment?

Good afternoon I have a problem with a Uv-Vis-100 cary spectroscopy equipment, In summary, today I wanted to measure and the signal appeared as the image that I attached, does anyone know what is...

14 October 2018 651 3 View

How I can make glass surfaces hydrophobic for Langmuir-Blogett films?

I need to make Langmuir-Blodgett films, and for this I need hydrophobic substrates of glass. How I can do this ?? I know that the ferric stearate and hexamethyldisilazane are good options to...

14 August 2018 632 3 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

Buffer Exchange using column packed with sephadex G-25 effect on protein concentration?

Hello, If i am doing a buffer exchange for an antibody of 1mg/mL, does the elution lose protein in the process of buffer exchange? For example, if i flow through 500 uL of 1mg/mL sample, and...

03 March 2021 6,299 3 View

No title

03 March 2021 5,360 2 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

The procedure compute?

02 March 2021 5,204 3 View

Is there a powerful system for the security of the systems distributed on IoT systems?

Is there a powerful system for the security of the systems distributed on IoT systems?

02 March 2021 3,858 10 View

What is the procedure to determine the permeability of concrete?

can anyone help me in this, it will help me with my research work

01 March 2021 834 3 View