Which are the journals for free paper publication?

A bunch of flower for everybody. I would like to ask about the list of journals which we can publish our paper for free. Thanks in advance. Sincerely Walid

25 February 2021 9,790 3 View

C-4 I cervical cancer cell line tissue culture protocol?

Hi there! My lab has been brought an array of C-4 I cell line. The cells did not succeed in attaching to the bottom of the flask and remained floating in the media. Although we followed the...

04 February 2021 10,018 5 View

p-type organic semiconductors having the highest mobility and high environmental stability?

What is the p-type organic semiconductors having the highest mobility and high environmental stability?

21 December 2020 9,019 2 View

When we regulate by tricolor light signals in VISSIM, should we make all the conflict zones inactive?

hi everyone, I have developed a simulation of a roundabout with a fixed time regulation, the lines of traffic lights in the roundabout are for vehicle storage. my question is: when we regulate by...

16 December 2020 1,923 3 View

Need help in vissim VisVap ? pedCrossing ?

Hello everyone, hope you are doing well. I made a simple traffic actuated control logic using VisVAP Stage 1 is for Vehicle Stage 2 is for Ped the compilation in VisVap run with success, but...

07 December 2020 553 3 View

Shall I use dropout or not in my case?

24 October 2020 9,262 7 View

Which universities give scholarships to international students with full tuition ?

There are many universities that have excellent scholarship opportunities for international students.

21 September 2020 3,391 4 View

Compound identification probleme?

good morning, I found some difficulties to identify a compound extracted from a medicinal plant and analyzed using LC-MS/MS. I can't find the compound name in databases peaks (m/z) and intensity...

15 July 2020 5,669 3 View

Which one is better for use as a hand sanitizer, ethyl alcohol or isopropyl alcohol, and why ???

According to the characteristics of each

21 March 2020 307 8 View

Why we got more than one repeat for each primer used in NGS applied for DNA sequencing from each sample of date palm tree ?

Our project objective is to investigate the genetic diversity of Palestinian date palm, cultivars. 6 primers were ordered, these primers were designed specifically for NGS analysis. DNA was...

06 February 2020 695 2 View

What is the most Operating System (OS) which can be INSTALL on Tiny hard devices like Raspberry Pi (RPi) hardware ?

I'm targeting to deploy a mesh network and manually configure MANET routing protocols. I'm preparing scenarios, architectures, and hard devices needed to do that. Are there some step-by-step...

03 March 2021 1,931 5 View

Waters 2707 HPLC autosampler problem?

I am using a 2707 waters HPLC device. When I try to inject a sample, it says missing plate or rack. I changed the needle and calibrated its position but I still get the same problem. I even get...

02 March 2021 1,408 1 View

Energy minimization in LAMMPS using NVT ?

How do I do energy minimization in lammps with NVT ensemble ? I am using the following command and it does not seem to work. It stops at extremely high energy and gives me the error zero search...

01 March 2021 2,294 3 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

Why is the sum of the elements in a row in a Q matrix equal to zero?

When explaining substitution models, the substitutions are expressed as Q matrix. Why is the sum of the elements in a row zero?

28 February 2021 3,864 3 View

POlymer+DMSO solution and moisture??

What could be the reason of moisture at the sides of Vial when I am preparing my polmyer+DMSO solution for membrane fabrication? What etiquettes I am possibly missing here?

28 February 2021 6,516 5 View

Gas sensor response and recovery time independant of flow rate and chamber volume?

I am trying to obtain the response and recovery times for my gas sensor device. It appears the the response/recovery times are primarily dependant on the flow rate of the gas I inject into the...

26 February 2021 1,511 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

Why the CHi^2 is close to zero with a bad fitting but the Rp and Rwp are still high?

I am refining my XRD data using in FullProf program. The intensity of the modulated X-ray peaks is almost flat. I tried to adjust the peak intensities but unsuccessful. What is the reason? I guess...

23 February 2021 2,304 4 View

How to troubleshoot Electrochromic Films and Electrochromic Devices?

I am trying to characterize an electrochromic system. The system uses ITO electrodes on glass, WO3 as the electrochromic film, and NiO as the ion storage layer. When I deposit NiO and WO3 and...

23 February 2021 9,592 2 View