I need experimental researches that clarify the effect of well number and width on the performance of quantum-well solar cells?

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How to achieve fibers during electrospinning? We are only getting electrospray. Can anyone help?

We are using a handheld spincoating system for wound dressing from the brand SpinCare™ (nanomedic.com). The instrument has fixed features that we cannot change. Basically, the voltage is fixed...

17 December 2023 2,994 3 View

About the strong commutativity of unbounded self-adjoint operators?

Let $A$ and $B$ be two unbounded self-adjoint (+ positive if needed) operators with domains $D(A)$ and $D(B)$ respectively. By the spectral theorem, we know that $A=\int_{\mathbb{R}}\lambda dE$...

06 September 2023 5,276 0 View

I want to know how to calculate curvatures vector with finite element method in composite materials ?

Noting that i'm using 4 nodes quadrilaterlal linear elements and i have nodal displacements.

17 April 2023 1,731 2 View

How to identify the composition of an unknown polymer blend solution?

We are looking for a way to identify the composition of a polymer blend that we do not know the composition. The composition is based on a polyurethan polymer, silicone elastomer, polyester-based...

27 December 2022 4,730 7 View

TYPE TRNSYS of vacuum thermal solar collector with PCM ?

Dear all, I would like to know what type of trnsys that allows to make a simulation of an vacuum thermal solar collector with PCM. Thanks, Best regards

26 April 2022 7,964 1 View

Is $TT^$ (or $T^T$) densely defined if $T$ is densely defined and symmetric?

Is $TT^*$ (or $T^*T$) densely defined if $T$ is a densely defined and symmetric linear operator? I feel this is untrue, but do you have a counterexample? Thanks, Hichem

16 February 2022 6,706 12 View

About an unbounded normal product of one symmetric operator and one bounded positive operator?

Let $A$ be a densely defined symmetric (unclosed) operator and let $B\in B(H)$ be positive. I know that if $\overline{A}B$ is normal, then $AB$ need not be normal. My question is: If $AB$ is...

30 January 2022 8,651 2 View

About the commutatvity of a bounded self-adjoint operator with an unbounded symmetric one?

Let $B\in B(H)$ be self-adjoint and let $A$ be a densely defined symmetric (and closed if needed) operator such that $A^2$ is densely defined. If $BA^2\subset A^2B$ say, is there a result which...

28 January 2022 9,354 8 View

About the closedness of a certain product of two closed operators?

Hi Let HH be a Hilbert space. Let S∈B(H) and let T be a densely defined closed operator such that TS⊂ST. Assume further that T is boundedly invertible and that both S and T are self-adjoint and...

14 January 2022 9,474 10 View

Anyone have clinical data to diagnose diseases ?

The data will be used to compose a dataset for training machine learning model to help in diseases diagnostics.

29 March 2021 469 7 View

Is there any way to quantify bacterial and fungal cells in their mixed culture?

I am working in fungal fermentation of soybean meal and there is bacterial growth in them at times. I am trying to quantify fungal cell counts and bacterial cells; but I haven't been able to do at...

07 August 2024 7,535 4 View

Stability of the Solar System: Insights from Einstein’s Equations ?

The stability of the Solar System is a complex subject that blends the classical framework of Newtonian mechanics with the modern insights provided by General Relativity (GR). Understanding this...

07 August 2024 2,569 1 View

Why activated CAR-Jurkat cell could not kill targets?

Previously when I co-coluture anti-CD19(FMC63) CAR-Jurkat with Raji with E:T=5:1, Jurkat can eliminate Raji in 24h. However, when I test another CAR construct, although I can dectect totally CD69...

06 August 2024 641 2 View

How much total RNA concentration to be extracted from sorted plasma cells from bone marrow of C57BL/6 mice for RT-PCR ?

i have sorted anti-NP specific plasma cells from bone marrow of C57BL/6 mice at certain times after immunization with variable counts and isolated total RNA using TRIZOL method for RT-PCR using...

05 August 2024 8,835 1 View

How to use Density Functional Theory to calculate carrier mobilities of solid system?

Hello, everyone. I have tried to determine carrier motilities of some materials, by Density Functional Theory, using Quantum ESPRESSO. There are a few methods to do it, like a package called...

04 August 2024 8,894 1 View

Does long-term culture of murine Monocytes result in macrophage differentiation?

Hi, I am isolating monocytes from the bone marrow using the Mouse Monocyte EasySep kit. I want to treat these cells and monitor expression of specific markers over the course of 10 days. I will...

04 August 2024 7,282 2 View

Does continues partial charging/discharging do any harm to the BESS performance and degradation?

For a grid connected BESS (lets say 100 MW/200 MWh system, LFP battery), if we charge the BESS in such a way that whenever we can access power from the solar that will charge the BESS. Hence it...

01 August 2024 9,903 7 View

How can I get my Granzyme B flow cytometry stain to be consistent?

I have used PE and PE-Dazzle 594 fluorochromes and have managed to get NK cells to properly show GranzymeB expression after 4 hr PMA/ionomycin stimulaton, but for some reason my CD8 cells in the...

01 August 2024 7,677 2 View

Best mask design for metal deposition aiming build a Perovskite solar cell device?

What types of mask designs for metal deposition, to be used in a PVD system, are best suited for perovskite-based solar cells?

31 July 2024 4,835 3 View

How to culture and maintain Lx-2 cells?

Hi there! I recently started working on Lx-2 cells. When I thaw the cells, they start attaching within few hours but later in about 2 days they started rounding and dying. I used DMEM+2% FBS...

31 July 2024 3,893 0 View