Statistical comparison of 3 relative survival values?

Hi! I have to compare relative survival (have 5-year estimates with SEs and patients number per group) across 3 time periods. Cannot use log-rank etc as (probably) it is impossible to operate with...

08 July 2019 2,896 5 View

How to perform data analysis for ranking of familiarity of foods?

the most familiar food was assigned to 1 and continue rank among the list of the foods until the least familiar food. How to perform weighted ranking or any suitable method can be suggested for...

21 September 2018 6,557 3 View

What are the ethical options for handling delayed publication of accepted manuscripts?

After manuscript acceptance, a quick publication is desired but some journals take as much as a year before publishing accepted manuscript without providing early view option. This can be...

19 September 2018 6,438 1 View

Is there a way to selectively modify a polymer using a laser so it can be conjugated to an amine or carboxyl functionalized nanoparticle?

I have a nanoparticle that can be functionalized with amines or carboxyl groups. I would like to "print" the nanoparticle onto a flat polymer surface, only in regions that have been irradiated by...

12 April 2018 3,252 3 View

How to calculate activity coefficient of iron oxides in BOS slag?

I am calculating ratio of FeO: Fe2O3 in Basic Oxygen Steelmaking slag CaO-SiO2-FeO-Fe2O3-MgO-Al2O3 based on the reaction 2FeO + 1/2O2 = Fe2O3, and equilibrium constant of this reaction. I got the...

26 July 2017 270 5 View

What cell line should I use to test anti-inflammatory effect of drug that's to be use on wounds?

I'm a master student working on wound dressing research. The drug that I'm working on was said to have anti-inflammatory property and I'm going to do in vitro study to justify that claim. But I'm...

22 September 2016 8,113 3 View

How to call variable in workspace as input of matlab function file in simulink ?

30 July 2016 4,526 3 View

Can anyone tell me something about the wingless gene?

06 June 2016 8,284 1 View

What's the structure of 28S rRNA and wingless gene?

I want to reconstruct the phylogeny of wasps. So I have to find some gene and design the primer. Some assays said the 28S rRNA and wingless gene are the good choice. However I don't know the...

31 May 2016 2,164 2 View

What are some porous materials with chemically bonded hydrogen on the surface?

17 December 2014 2,566 4 View

How can I integrate a routing protocol in a tiny device (e.g. Raspberry Pi)?

Hi Community, I'm facing the issue of integration/compiling a new routing protocol in a WSN simulator. The final goal is to successfully add, configure this routing protocol in hardware devices...

01 March 2021 9,332 6 View

How to size battery banks?

I am designing a small grid connected solar PV power-plant. As the battery's capacity is specified in Ah and demand in kWh. What is the best way to size the battery bank? I have battery price in...

28 February 2021 1,638 3 View

How can i resolve the "final solutuin is not converged" error in Comsol for my heat transfer simulation??

I have been trying to simulate heat transfer problem in Comsol 5.5 for long time but it always throw an error stating: "Failed to find a solution. Maximum number of Newton iterations...

28 February 2021 8,626 3 View

How to model the battery pack in PSIM or PSCAD?

Hello, I have simulated a single battery cell using Thevenin equivalent circuit. For a battery pack, I have a large number of cells connected in series and parallel connections. Is there any way...

28 February 2021 2,116 1 View

How to improve and implement WBAN MAC and Radio modules under Castalia 3.2 ?

Hello researchers, Hello Castalia3.2 researchers I am a beginner with Castalia, I work on optimization of RFID systems used in wireless body networks. I simulated a WBAN with 10 nodes and one...

28 February 2021 400 1 View

How to approach CFD simulation results of a flow past a cylinder?

Hi all, I'm doing a transient simulation of flow past a rectangular cylinder close to the free surface. As far as I'm concerned, the common practice is to discard the initial stages of the...

25 February 2021 1,348 3 View

How to calculate battery consumption for IoT device?

Hi, everyone I'm working on a privacy-preserving algorithm that will apply to IoT devices. So, I need to measure the power consumption by implementing this algorithm. Any suggestion, advice,...

25 February 2021 8,749 6 View

Error in comsol?

Dear respected researchers, while performing CFD analysis in Comsol it's showing like this Error: Nonlinear solver did not converge. The maximum number of Newton iterations reached can...

24 February 2021 249 3 View

D2D implementation in Matlab in Vienna LTE software?

Hi Hope you are well. Can you please share your code for D2D implementation in Matlab. I want to implement D2D in Matlab based Vienna simulator and struggling to deploy D2D. Thanks

24 February 2021 9,378 3 View

What software programs can directly simulate Additive Manufacturing Directed Energy Deposition (DED)?

I understand there are a lot of software programs that can simulate DED by going through specific modeling, simulation, and commands. For me, that was time consuming and results were not accurate....

24 February 2021 4,428 3 View