04 August 2023 1 2K Report

This is the 59th question of the 100 questions compiled by J.A. Bondy, proposed by Hilton in 1989.

More Kaiyang Lan's questions See All
How the result of random regression model in dairy cow to apply in dairy industry?

I am currently exploring the practical applications of random regression models in the dairy industry. Through these models, it is possible to derive coefficients from the lactation curve,...

08 January 2024 3,758 0 View

How to remove SiO2 thin film from the InP-based PC wafer?

Hello everyone! It is my first time to fabricate InP-based photonic crystal. I've already finished fabricating the photonic crystal using EBL. And now I want to remove the 200nm SiO2 mask from...

07 January 2024 2,394 3 View

Fibroblasts proliferate， or fibroblasts are resistant to apoptosis in pulmonary fibrosis is right description?

In the progress of pulmonary fibrosis, fibroblasts proliferate， or differentiation to myofibroblasts , what's the difference of these terms?

05 November 2023 9,334 1 View

Anyone has information about Trihalo compound and stain free gel?

Hi. We are trying to find information about Trihalo compound so we can make our own stain-free gel in the lab rather than having to buy it. Has anyone tried it already? What is the make of...

25 October 2023 2,970 4 View

Presentation skills for student who is introvert and usually shy?

for student who want to improve their presentation skills and make speaking engagements in fron of crow.

09 October 2023 5,966 1 View

How to simulate the doping of Ge into Si using Silvaco Athena?

Hello researchers, I have recently been involved in simulating doping of Si using Silvaco Athena, and I have encountered an issue with selecting germanium (Ge) as the dopant. While I can choose Ge...

07 October 2023 4,624 0 View

Experience of some countries around the world in digital asset management?

Experience of some countries around the world in digital asset management

02 October 2023 5,444 2 View

Is there a structural characterization of Berge graphs with no antihole of length at least six?

This question was posed by Nicolas Trotignon, where a graph is Berge if it does not contain an odd hole nor an odd antihole.

11 August 2023 8,132 0 View

Holes in a graph：Let f(n) be the largest chromatic number of a graph with no holes of length at least 5 and clique number n. Can we determine f(4)?

This question is posed by V. Sivaraman in 2018. Clearly f(1) = 1 and f(2) = 2. It is known from [3] that f(3) = 4. Determine f(n) for all n≥4. [3] M. Chudnovsky, N. Robertson, P. Seymour, and R....

04 August 2023 5,715 0 View

Motion planning for tracked unmanned vehicles?

What are the papers on path planning or motion planning for tracked unmanned vehicles? Where can I find the source code of the paper？

10 May 2023 1,097 5 View

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Is the mentioned CV graph a valid one as this graph have only one peak prominent (reduction)?

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Critique Calculaltion in Topological Indices and QSPR Modeling?

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How to do calculation of Louvain methods calculation for excel sheet and and is there any software available?

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Is there a name for this type of function?

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Why is linearity somewhat lost when plotting the Stern-Volmer (SV) graph?

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Can you please help me with a cyclic voltammetry?

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Which software use to i make this graph quickly and also make more dimensions of this graph( i mean adding vertices or lines in this graph)?

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