Davis Vantage Vue weather station assessment?

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How to reduce compressive stiffness when performing low velocity impact (LVI) and compression after impact (CAI) simulation in ABAQUS ?

I was trying to create a FEM model of an LVI and CAI experiment. For the CAI simulation, the load displacement curve I obtained is way too stiff compared to the experimental result. The maximum...

06 July 2023 1,742 6 View

What can cause loss of pigmentation in ants samples?

I'm currently working on samples of Formica rufa group that where caught on the Italian Alps probably around ten/fifteen years ago. Some of the test tubes show ants preserving a normal...

02 March 2023 7,942 3 View

What is the best way to index the faces of a large single crystal with a powder diffractometer?

Any tips would be highly appreciated. The diffractometer is a Bruker D8 Advance. My first thought is to mount a UBC collimator and set the sample height with a UMC sample stage (XYZ...

08 January 2023 3,951 5 View

How can I decide if a dialysis patient needs ambulance transport?

Is there a tool to determine if a dialysis patient needs ambulance transport? Is there a tool that allows me to understand the degree of autonomy of the dialysis patient? The goal is to evaluate...

27 May 2022 9,191 7 View

Holographic Virtual Reality projecting on eye's retina, is it possible?

I want to know if my supposition is possible and achievable, or if it is impossible. I was considering that colors are just reflection of the light toward the eye's retina. It is the case because...

16 April 2022 1,856 6 View

How coefficient of friction and lubrication regime are related?

I'm currently working on ball-on-disk tribological test using different oils. Is there a direct relation between the coefficient of friction and the lubrication regime of the coupled surfaces? Is...

27 March 2022 4,783 5 View

Are there any pubblication about arctic habitat restoration for polar bears?

Our university project group is studying the possibility to apply a plan for the (local) restoration of ice based habitats of polar bears (Ursus maritimus). Has the idea already been developed in...

29 November 2021 6,029 2 View

STAC plugin for QGIS?

Does anyone know if there is a dedicated plugin for QGIS for browsing STAC catalogue datasets? Seems that once there was one, but now is not anymore...

22 November 2021 7,573 3 View

Cell membrane protein purification from zebrafish brain tissue?

Hi, is there anybody who can share a good protocol for cell membrane (transmembrane) protein extraction from zebrafish brain tissue to be assayed by Western.? I tried one with a soft lysis...

08 June 2021 8,823 3 View

Works showing the morphology of Mobulidae tail spines?

Hi everyone, I know the presence of a tail spine isn't a common feature for Mobulidae, but i cannot find any image / description regarding the argument, both for living or extinct specie. Any help?

28 May 2021 6,990 0 View

RNA later for the preservation of RNA in fecal samples at room temperature for one day (37°C)?

I am planning to collect human fecal samples for metatranscriptomic analysis using MGI. These samples are from indigenous people living in a region with high temperatures. I will have access to a...

06 August 2024 1,367 3 View

How to understand this crystallographic phenomenon of low temperature crystals in zeolite?

During low-temperature testing, new diffraction peaks that appear could be indicative of several phenomena. In one of our tests, we observed notable new peaks around 40° and 45° in a specific...

06 August 2024 726 3 View

How to convert a privately loaded document into a public document?

I attempted to make a privately uploaded text public but a window appeared that said an error occurred. There was no explanation provided as to why there was an error or what might be done to...

05 August 2024 8,025 7 View

Is it possible to improve the reforming section of the Haber-Bosch process without using air separation units?

A typical reforming section in a large-scale Haber-Bosch process (Figure 1) comprises two reactors. A mixture of methane (CH4) and steam (H2O) is fed into a primary reformer to produce syngas via...

01 August 2024 7,051 5 View

Hello Researchers, Can anyone guide me on estimating the Leaf Area Index (LAI) of wheat using only weather and soil parameters? Is it possible?

I need to estimate the LAI of a wheat crop using only weather and soil parameters. Can anyone please help me?

28 July 2024 4,886 2 View

Are the apoptotic cells is positive for γH2AX ?

It has been documented that apoptotic cells themselves can induce phosphorylation of serine 139 on H2AX (γH2AX) due to DNA fragmentation during apoptosis (doi: 10.1074/jbc.275.13.9390). As γH2AX...

28 July 2024 7,983 2 View

Why my gel electrophoresis has smearing?

Greetings. I’m currently running a nested pcr for giardia. My mastermix comprised of 3mM Mgcl2, 5unit of taq polymerase, 0.2uM of forward and reverse primers each respectively and 0.2mM of dNtp...

22 July 2024 9,761 5 View

Appearance of crystallization peak in heating cycle of DSC test?

For which types of polymers, the crystallization peak in heating cycle of DSC test can be observed and for which types cant? In another word, when this exothermic crystallization can be observed...

18 July 2024 348 3 View

How does the digestate compare to other organic amendments regarding quality and performance in different countries?

Experts are welcome to share their experience country-wise so that we can make a nice document listing all the country-wise experiences. ? How does the digestate compare to other organic...

18 July 2024 5,225 3 View

Would anyone care to recommend an inexpensive waterproof serviceable (e.g., batteries can be changed) temperature logger?

I've been using Hobo pendants for years but they are up from less than $50 a few years ago to over $100, and I'm in need of an alternative.

08 July 2024 7,164 1 View