Do you know an easy way to measure curve length?

More Jp Xu's questions See All

Can anyone recommend a brand of cas9 protein that can be used for in-vivo editing in model animals?

zebrafish and mouse

19 July 2024 9,158 1 View

Dear scientific researchers, may I ask you, what is the function of the ∑ in the picture?

10 July 2024 2,037 3 View

Why are there holes on the surface of TiO2 films deposited by ion beam sputtering?

We have observed many holes on the surface of TiO2. These holes have a diameter of approximately 1 µm and a depth of about 30 nm. The formation of these holes is mainly related to the...

20 June 2024 3,861 1 View

How do you understand that geometric phases are complex?

What kind of cases are geometric phases real? In what case is the geometric phase complex? If the geometric phase is complex, how do we make sense of it?

18 June 2024 6,388 4 View

Why the rat cortical primary neurons suddenly dead/turn into bad condition after about 6days?

I used SD rats (E19) for cortical neuron extraction. Due to the need for subsequent special experiments, I cultured the neurons in a Corning PDL 384-well plate. The culture medium is Neurobasal +...

12 June 2024 1,714 4 View

What does oxide content mean in XRF testing?

XRF tests were performed on magnetite where the oxide content showed 49.822% Fe2O3, so why not Fe3O4 content as a percentage? How can we deduce the Fe3O4 content?

25 May 2024 1,714 2 View

Can acoustic wave transfer through solid medium?

Since the acoustic impedances of air and solid medium are not in the same order, the acoustic wave transferring in the air would be theoretically fully reflected on the solid surface. So my...

21 May 2024 6,858 9 View

Asking for help: Dear academic experts, does anyone have data on girth weld failure?

07 May 2024 9,666 1 View

Are there any group chats or websites recommended for soil contaminant degradation?

Are there any group chats or websites recommended for soil contaminant degradation? Thank you!

26 April 2024 4,887 1 View

How Dynamic Bayes can be better integrated with cloud models for risk assessment?

How Dynamic Bayes can be better integrated with cloud models for risk assessment

25 April 2024 5,630 2 View

How to learn more about SPSS and its Application?

I would like to learn more about SPSS and Its application especially in regards to data analysis. Please suggest me how I can learn more about it. Thank you so much.

11 August 2024 9,101 4 View

Can I base on reverse DNA sequences to perform alignment, convert to amino acids and GenBank submission?

I have reverse sequences (AB1 format), can I base on reverse DNA sequences to perform nucleotide alignment, convert nucleotides to amino acids and deposit the sequence in GenBank database?

11 August 2024 5,138 1 View

Baseline drift in HPLC? What causes this?

Hello, Why do i see this baseline drift when i compare my blank (black) to the sample (blue)? Any suggestions as to why this happened? Thank you!

11 August 2024 3,770 4 View

Text-Communication from the M1 Hand Area using BCI—and then there is Elon Musk?

Willett, Shenoy et al. (2021) have developed a brain computer interface (BCI) that used neural signal collected from the hand area of the motor cortex (area M1) of a paralyzed patient. The...

10 August 2024 7,180 0 View

Has anyone applied Python in the field of textile engineering for data analysis, automation, or smart textiles?

I'm currently exploring the application of Python in textile engineering, specifically in areas like data analysis, process automation, and the development of smart textiles. I'm interested in...

10 August 2024 7,429 2 View

Geotechnical Engineering (Proceedings of the ICE) time review?

Hello everyone, I recently submitted an article to Geotechnical Engineering (Proceedings of the ICE), and the current status has been listed as "EiC Pre-assessment: Ready" for the past 20 days. I...

10 August 2024 6,493 1 View

How can I use the cif data obtained from rietveld refinement extracted via gsas2, for microstructural analysis using ETEX software?

09 August 2024 7,718 0 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 are iso-frequency contours plotted?

Let's say we have a standard, regular hexagonal honeycomb with a 3-arm primitive unit cell (something like the figure attached; the figure is only representative and not drawn to scale). The...

07 August 2024 1,937 1 View

Is it possible to plot the atom-projected band structure using GPAW?

Hi, I'm currently working on a project where I need to plot the atom-projected band structure using GPAW. I've been able to calculate the band structure for my material, but I'm having trouble...

07 August 2024 269 3 View

Nageswara Rao Posinasetti

Any CAD system will do the trick. As a university student/faculty you can download free Autocad from the link provided.

http://www.autodesk.com/education/free-software/all

Jp Xu

Thanks, AutoCAD 2013 student version works! Tried a few small free softwares but none has the features I want to do easily.

Glad it worked for you Xu.

Luca Di Angelo

you can download draftsight from http://www.3ds.com/products-services/draftsight/download-draftsight/.

You can transform the arcs in polylines and in the list of properties to get the corresponding lengths:

http://www.eng-tips.com/viewthread.cfm?qid=329749.