I am looking for a IoT simulator ?

I am working on a university project so, I m looking for a good Simulator compatible with LoRa and LoRaWAN protocol to simulate an IoT scenario. Thanks in Advance

20 February 2021 6,352 6 View

What is the Role of temperature In Hummers method for the preparation of graphene oxide?

04 January 2021 5,033 2 View

Any recommendations for a good CRISPR/Cas9 commercial system for functional genomics of fungi/yeast?

I look forward to implying a good CRISPR/Cas9 system with a selective maker for functional genomics of important genes from environmental fungi and yeast.

22 December 2020 1,432 2 View

How to implement LEACH-C (LEACH centralized) algorithm for CH selection in WSNs?

I am currently working on a project that is based on optimizing cluster head (CH) selection for energy-efficient wireless sensor networks (WSNs) using evolutionary search techniques. For the...

11 October 2020 5,814 3 View

What is the status of malaria vaccine?

Malaria is the highest killer disease in Africa, yet no vaccine has been developed against it. Any hope in sight?

05 October 2020 5,670 7 View

I tried to run Ligplot+ version 2.2 for the first time on ubuntu 16.04 but it always report error: error writing parameter file. Can you help?

I downloaded a components.cif file and filled the location of my .pdb files as shown in the picture below. It still showed error. The program usually opens but doesn't display the pdb files I want...

25 May 2020 8,509 2 View

What is the suitable statistical analysis to test the relationship between two diseases from 5 different regions?

I have only the total number of cases for each diseases (measured by millions) and I'm trying to find a significance relationship for their coexistence throughout the 5 regions...

24 March 2020 4,397 3 View

I tried metawin unfortunately I couldn't get much help on how to code studies. Does anyone know a good free package for correlation meta analysis?

By the way I also need advice on which correlations to extract from factor studies ( exploratory, confirmatory, & SEM PLS) for meta analysis?

16 March 2020 7,217 3 View

Who was DIMU in the history of Egypt? How is it linked to Kadimu of Siaya County, kenya?

there is a name called Kadimu bay in Siaya, kenya. However, there is also a historical figure called Dimu who seems to be related to the Luo. What is the link between the Egypt Dimu and the Kenya...

29 January 2020 5,176 1 View

What do you reommend as an animal model for anemia?

I am looking for animal models for different types of anemia

23 December 2019 210 6 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

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

Which is suitable for use with Python? MySQL or SQL Server?

Which is suitable for use with Python? MySQL or SQL Server? What is your suggestion?

01 March 2021 3,422 3 View