01 January 1970 4 5K Report

Dear members of resarchgate i want to Wishing you a very happy new year 2021 with the hope that you will have many blessings in the year to come

Best wishes

Dr.Djemli Samir

More Djemli Samir's questions See All
Thermal reduction of graphene oxide.?

I am trying to reduce graphene oxide by thermally but I have no proper information regarding this. Can any one help me regarding the details about temperature and time for the reduction of...

23 February 2021 4,155 4 View

How can I calculate volume fraction of MWCNT from a nano hybrid composite ?

I am adding 0.1wt percent MWCNT to glass fiber epoxy composite and want to determine the volume fraction of the MWCNT from this composite but I don't know how to calculate it. can anyone help me...

09 February 2021 8,883 3 View

Functionality on MWCNT can possible without using vacuum oven?

I want to synthesis functional MWCNT from pristine MWCNT using acid treatment but I haven't vacuum oven for drying but I have a normal hot air oven. So may it possible to use hot air oven for...

02 February 2021 8,475 3 View

What is the dispersion relation in polycrystalline graphene?

Hi, We all know the dispersion relation for an ideal graphene in hexagonal lattice. Since graphene is polycrystalline by nature, assuming a perfect graphene crystals with average size La, nm...

24 January 2021 4,747 2 View

Label next to reference in abbrvnat ?

I am using the abbrvnat style, but I want the label to appear next to each reference. For example, I want to have: [Atzori et al., 2010] L. Atzori, A. Iera, and G. Morabito. The Internet of...

28 December 2020 7,073 2 View

What is it the relationship between photochemical efficiency and a chlorophyll a fluorescence in a plant ?

I hope somebody could help in explaining this point

10 December 2020 513 4 View

What might be the reason for the appearance of 'black stringy/shards' in cell culture?

When using a tissue culture treated plate, I started to run into these weird black stringy/shards. If it were contamination, my best guess would be that it is a fungal contamination. However I do...

18 November 2020 2,979 11 View

Seeking database/online tool/script to predict drug-parasite protein interaction ?

Dear All We have revealed good results of certain fungal against cercaria of schistsoma. No we are seeking a good online tool, or any other methods to predict the extent of interaction between...

12 November 2020 9,724 1 View

How can i implement LEACH protocol for nRF24L01 ?

i need to build a WSN using nRF24L01 (Which is the only available transceiver in my country ) with LEACH protocol (i know the theory of the protocol ) but i don't know how to implement it .

14 September 2020 6,398 2 View

How to compare means and standard deviations in 3 groups?

Hello all, I would like to compare the means and SDs of 3 groups. The only data I have are sample size, mean, and SD for each group as presented below: Group 1 : sample size 1: 250 mean 1:...

03 September 2020 8,756 3 View

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Hi, I hope that someone can help me with this task: I have 5 groups of participants which are numbered in SPSS from 1 to 5 (according to their group number) and are all under the variable group....

03 March 2021 506 3 View

What techniques can I use to determine the miscibility of polymer blends?

The term miscibility refers to the single-phase state in thermodynamics. I do not mean the compatibility of different components. To determine the miscibility I know several techniques such as...

03 March 2021 4,107 4 View

Can you share me how teacher education is managed in your respective national educational system?

I feel that the practice in teacher education in my country is below the expected performance level due to very poor management system. Hope I will learn something from your experiences.

02 March 2021 1,516 4 View

Your thoughts on the spherical densiometer to estimate relative species canopy cover?

Hi biologists and biogeomorphologists, I want to characterize vegetation plots on a transect that follows a successionnal gradient from a river bed to a mature forest. Ecologically, I am...

26 February 2021 5,720 2 View

What kind of institutional environment do entrepreneurs need to achieve happiness?

Entrepreneurs are stressful, and happiness is a scarce resource. Happiness is crucial to business development.In addition to the work characteristics, individual characteristics have an effect on...

25 February 2021 876 2 View

What is a good reagent for lentiviral plasmid transfection in HeLa cells?

I have been using Lipofectamine 2000 but was hoping there may be a better protocol or one for something like Lipofectamine PLUS reagent.

24 February 2021 1,633 4 View

Any interests in participating to an experiment in space?

Hello, The UN Office of Outer Space Affairs has a program called access to space for all that enables institutions to have hands on expertise related to access to space. There are three elements...

22 February 2021 7,980 3 View

Which type of loading is to be used in dynamic analysis of Machien foundation?

Hello Everyone, Hope you all are doing well. I'm trying to simulate a machine foundation in ABAQUS with a geo-cell reinforced soil bed. Im totally confused to which type of loading would be...

21 February 2021 4,388 3 View

Drop weight impact testing machine for composites?

Dear all, I hope everyone is safe and healthy I do have a question please. Where can I find a drop-weight impact testing machine to test fiber reinforced polymer composite plates (CFRP and GFRP)...

17 February 2021 3,820 3 View

RDF calculation of water inside the Carbon nanotubes?

I am trying to calculate the rdf of water molecules present inside the Carbon nanotube. I tried to do the indexing first using gromacs tool gmx selection. But when it comes to calculating rdf, I...

17 February 2021 1,066 3 View

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