What is the right explanation for Raman fringing in a spectra ?

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Provide a questionnaire for positive role of politics in nursing ?

I want to write article in a topic of positive role of politics in nursing, and I'm confused how can we add add questionnaire and what will be the questionnaires.

18 July 2024 10,021 3 View

Hello, I’m growing three species of microalgae under heterotrophic and mixotrophic conditions. Both the two turned yellow?

What could be the reason for mixotrophs to be yellow too instead of green? Thank you

08 July 2024 594 2 View

How can i publish my work?

i have a research paper

01 July 2024 3,397 2 View

The gap in diagnosing intra-thoracic tuberculosis in children is not closed despite the advanncement in microbiology fields?

In 2024, childhood tuberculosis will still be a significant global public health issue, especially in underdeveloped nations (LMICS). It is true that the underestimation of the disease's extent...

31 May 2024 5,221 0 View

Comment assurer la compatibilité entre une résine radioactive usée très acide et le ciment ?

Les résines échangeuses d'ions sont constituées d’un mélange de résine cationique sous forme H+ et de résine anionique sous forme OH-. Elles sont insolubles dans l'eau.

30 May 2024 10,035 0 View

pourquoi dans ce travail utilise-t-on de la résine époxy pour le confinement de la résine radioactive usée par cimentation ?

28 May 2024 1,136 1 View

Peut- on implanter dans un site de dysplasie cémento-oddeuse?

JE CHERCHE DES REVUES SYSTEMATIQUE SUR CETTE QUESTION

31 March 2024 6,107 1 View

How to find size of colloidal particles using turbidimeter ?

Hello everyone ! I got turbidity 448 NTU in infrared light 860 nm ( ISO 7027 ) using a turbidimeter ( TB211 IR ). And it's not very clear to me exactly what formulas can be used to calculate...

29 March 2024 4,816 1 View

User-defined function (UDF)?

Dear researchers I'm in need of a user-defined function (UDF) for modeling shear-thinning behavior in my simulations. Could someone provide me with an appropriate UDF for this purpose, or point...

06 February 2024 2,971 0 View

Can yo help me solving this problem please??

Oral 2mg diazepam, half-life 20 h, bioavailability 90%, what is the concentration in saliva after 14 h? knowing that the saliva drug concentration is 0.1 of the plasma concentration.

02 January 2024 9,717 1 View

Why results of ROS flurescence are negative as there was no bacteria within?

Hello. I am working on ROS production of two systems: system A is cerium oxide and hydrogen peroxide, system B is cerium oxide nanoparticle, hydrogen peroxide and potassium bromide. I did some...

04 August 2024 5,974 3 View

Why aren't most metal oxides insoluble in water?

Why BaO (s) + H2O(l) ---> Ba 2+(aq) + 2 OH - (aq) if Oxygen loves owning all the electrons, why would it bind to hydrogen which competes with Oxygen for electron ownership more so than...

03 August 2024 5,392 1 View

Why chloride turns into chlorine gas in a Downs cell?

I imagine the battery drives the graphite into a carbocation, then chloride is oxidized to donate the electron to the carbocation, but what pushes the lost electrons of chloride to be shared...

03 August 2024 5,384 0 View

How to calculate the molar proportions of the oxides from the XRF analyses?

02 August 2024 2,565 2 View

Short Synthesis of Graphene Oxide from Natural Graphite Flakes?

I am in search of a modified Hummer's method, which can be used to synthesis graphene oxide within 6-8 hours. As I am a student it is not allowed for us to work after 5 in the laboratory. So I am...

01 August 2024 8,368 2 View

How can I separate graphene from amorphous carbon of similar particle sizes?

The starting material is a finely ground powder. Some particles contain more graphene than others.

30 July 2024 3,978 2 View

What is the solubility of Iron (+3) in Bismuth Oxide?

Dear all: I am modifying Bismuth Tungstate with Hematite (Fe2O3), so I would like to know about how much Iron(+3) can form a solid solution in a Bismuth Oxide matrix. Best wishes Marco

29 July 2024 2,163 1 View

Addition of EDTA during the synthesis of copper nanoparticles to prevent it from being oxidized?

I've attempted to use this method to synthesize copper nanoparticles. Copper nanoparticles can be synthesised using a variety of precursor materials. CuSO4, distilled water, NaOH, and EDTA are...

28 July 2024 8,027 3 View

Standard curve of H2O2?

Hi, I need to prepare a standard curve of H2O2 to evaluate the primary products of oxidation. H2O2 I have is 35%. How do I prepare a stock of H2O2 10 microlitere. If s.o has experience, I would be...

26 July 2024 3,460 2 View

Non -oxidizing metal binders?

I'm trying to sinter some Nb parts and I'm trying to find a binder which does not produce oxidative compounds when it decomposes.

25 July 2024 9,823 3 View