Does anyone have a mass budget of Crew Exploration Vehicle/ Orion Spacecraft on subsystem level?

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Surface mass of a BLI (Bio-layer interferometry; Octet) Measurement?

Hello together, I am looking for a conversion factor for BLI (Bio-layer interferometry) from the nm values into a more comparable pg/mm2? For SPR it seems to be common to convert the RU values...

13 March 2024 6,238 0 View

Who has a PDF of Kaiser 1979 - The dynamics of populations as result of the propertie7s of individual animals?

Kaiser H (1979) The dynamics of populations as result of the properties of individual animals. FORTSCHR. D. ZOOL.25: 109-136. This a visionary article about the rationale of individual-based...

11 January 2024 4,783 1 View

Is there empirical literature on distinguishing between different forms of competition (eg. Bertrand vs. Cournot)?

Dear research community, I was wondering whether there is some empirical literature on how to distinguish between different forms of competition, e.g. Bertrand, Cournot, Bertrand-Edgeworth,...

08 January 2024 3,377 2 View

Is there a Python equivalent of Matlab's vratiotest or R's vrtest?

I am currently working on running variance ratio tests in Python. Are you aware of any packages that are equivalent to Matlab's vratiotest (https://www.mathworks.com/help/econ/vratiotest.html) or...

04 September 2023 4,059 3 View

Where can I find data about mass specific energy consumption for carbon fibre?

I would like to calculate CO2-emissions due to the production (and subsequent use) of carbon fibre material. I am sure there are different types of this material with likely different values, but...

19 July 2023 7,866 2 View

Does anyone know excretion kinetics of AAV9 (and other serotypes) from mice?

Dear AAV-community, I am looking for data on excretion kinetics of AAV9 viral vectors from mice. So, I need the information how long urine and feces contain infectious AAVs after i.v....

15 November 2021 1,235 1 View

Why is Abaqus showing me the deformed and undeformed shape at the same time?

Hello, simple question: as you can see in the picture Abaqus is showing me this weird deformation, were the deformed and the deformed shape are superimposed. And I can´t find out the reason....

17 January 2021 9,222 3 View

How to solve this FEM Problem in Abaqus?

Hello, I am a student and I have been trying to mesh this part but I am failing to mesh it with smaller elements because I get a warning that some of the marked elements are of poor quality...

15 December 2020 5,996 3 View

Does anybody know of, or have a method suitable for sectioning very hard organic plant parts such as nut shells or kernels (olive) with a microtome?

Does anybody know of, or have a method suitable for sectioning very hard organic plant parts such as nut shells (e.g., coconut, walnut) and kernels (e.g.,olives) with a microtome? We want to...

28 October 2020 4,406 13 View

Is it possible to write a Bachelor thesis about Simulation in Ansys/Abaqus in three months without simulation knowledge?

Hello, I have the option to write a Bachelor thesis about a simulation of a test bench for elastic materials in Ansys/Abaqus. To be honest I am an industrial engineer and I have only experiencie...

28 August 2020 9,976 9 View

Can you connect an HPLC to a Mass Spec only at a certain time point?

Can anyone explain this method? Especially the last statement where it says only at 1.5 to 2.5mins was the MS/MS connected to the UPLC. How is that possible, is it a feature in this specific...

11 August 2024 8,141 3 View

GC-MS retention index prediticon?

Hello experts, Does anyone know any free software about retention index prediction ?

08 August 2024 7,403 2 View

How to calculate CCS for Sodiated adduct ions and Multiply Charged Ions?

I'm currently working on calculating the collision cross section (CCS) for various ions, and I'm facing challenges when dealing with sodiated and multiply charged ions. Most of the resources I’ve...

08 August 2024 8,329 0 View

Swimming/space travel depends on the proprioceptive muscle spindles?

When the entire neocortex is ablated in rodents, although they are still able to swim, all the limbs move continuously and asynchronously (Vanderwolf 2006; Vanderwolf et al. 1978). Normal animals...

03 August 2024 835 3 View

Where to find a gene list for CRISPRa/i library screening of regulatory factors that affect pathogenic Th17 differentiation in PBMC?

I want to perform a CRISPRa/i library screening for candidate regulatory factors that affect pathogenic Th17 differentiation in PBMC. But I am wondering how to define the size of gene library, so...

31 July 2024 2,150 0 View

Hello dear researchers. I would like to know what is a normalized mass in an EDX analysis?

EDX analisys

31 July 2024 5,947 2 View

Gas chromatography RT detection?

I am working on algal extract to which gas chromatography (Not GC-MS) spectrum I want to discover. My question is can we identify specific compounds using retention time if I compared the RT with...

29 July 2024 8,034 4 View

MAGeCK Plotting Error: Logarithmic Axis Must Have Positive Limits?

I have been running a MAGeCK test command on the terminal for a CRISPR screen to rank sgRNAs and genes based on the read count tables. However, I get only the plot of the top-ranked genes...

28 July 2024 9,811 1 View

Screening of EPS producer LAB?

if you have MRS broth already prepared, what is the manner you will follow for preparing hyper-sweet medium for screening of EPS producer LAB? what the concentration of saccharose or glucose you...

26 July 2024 6,606 0 View

Could international experts in media and journalism, AI, communications and international communication share this conference link?

"Integration of Mass Media and Communication into the System of International Relations: Place, Role, Actuality and Prospects: Modern Media Issues 2024" Website: https://immcir.alnoor.edu.iq/

23 July 2024 3,139 6 View

Tobias Weber

This paper might provide some answers to your questions: Systematic Review of the Technical and Physiological Constraints of the Orion Multi-Purpose Crew Vehicle that Affect the Capability of Astronauts to Exercise Effectively During Spaceflight | Request PDF (researchgate.net)

Volker Maiwald

Thank you! :) I'll check it out.