I am synthesizing chalcone derivatives using 0.5ml 15M NaOH catalyzed Claisen Schmidt condensation. My product is all gummy. Any suggestions on how to resolve?
I'm working on Microbiology EQA program. I have confirmed E.coli strains in my lab. Now I want to transport them to other labs at a distance of 10-12 hrs. we don't want to use ice-packs during...
23 July 2024 1,855 0 View
Hello, I would like to know how to calculate the mass of an elliptical galaxy. If someone could explain the commonly used methods and formulas, it would be greatly appreciated. Additionally, could...
02 June 2024 3,239 10 View
Hello I would like to know : In the context of photovoltaic systems, if it is essential to integrate diodes into modular series and parallel chopper topologies? What is the significance of this...
11 May 2024 4,040 4 View
I want to know what changes i need to make for relaxing the structure for vibrational density of states and what is best way to proceed
05 March 2024 854 1 View
I worked on this topic in my master thesis now I want to work on this topic with addition of some more variables for phd,what variables would you guys suggest? thank you.
11 February 2024 2,762 1 View
I'm working on HGT of colistin resistance in E.coli. Is In most of the papers, E.coli J53 is used, I don't have that strain , can I use DH5-alpha for this purpose. Normally E.coli J53 has sodium...
31 January 2024 916 0 View
How does the emphasis on years of teaching experience vary between faculty recruitment practices in Malaysian and Pakistani higher education institutions?
28 January 2024 2,423 4 View
1. How do you think academic culture can influence teaching practices?
24 January 2024 5,739 10 View
I'm working on comparative genomics. I've to compare plasmids in terms of genes. In most of the papers, I've read about Easyfig. Initially, I faced trouble with blast downloading, later I...
20 January 2024 1,846 1 View
I'm performing conjugation assays in E.coli. I need E.coli J53 as recipient strain. This strain is not available in my university. If anyone have this strain in their lab kindly tell me. thankyou
13 January 2024 7,552 0 View
Hi, I am working on a head FE model and want to try different material types on brain. I read some papers that use Mooney-Rivlin rubber model and wondering if i can add viscosity into it. Is it...
24 July 2024 5,908 0 View
Polymeric film such as latex rubber substrate or polymer
01 July 2024 8,343 4 View
When polyethylene, whether high-density or low-density, is mixed with percentages of waste tire rubber, it becomes a new material. Where can it be used?
26 June 2024 3,349 2 View
I have a copolymer if epoxy and rubber reinforced with Sic. I want a standard FTIR figure in transmittance mode.
20 June 2024 6,606 2 View
I am trying to define the viscoelastic parameters of a rubber material using abaqus, but I don't quite understand how to proceed. I now have stress-strain curves at different temperatures, and...
13 June 2024 3,150 2 View
Compound composition : EPDM, Oil, white fillers, sulfur, accelerator, activator, blowing agent, retarder...
21 May 2024 2,967 0 View
As you can see below an SEM image of a rubber (this rubber formulated with EPDM + blowing agent'OBSH' + oil + other chemicals agent), I recently noticed that the material contains a lot of bubbles...
16 April 2024 8,395 0 View
rubber compound contains rubber, resin, white carbon black, oil, vulcanizing agent. What role does this material play in the tanδ curve?
12 April 2024 2,130 1 View
Hello all, something strange happened (strange to me btw). I have a sample of copper chips contaminated by some organic compounds (like: rubber, cured phenolic resin, organic fibers). I intended...
06 March 2024 603 3 View
There is a sealing with a rubber core and a polymer shell. The sealing is positioned into a groove and then is subjected to pressure from a one side. I've built a 2D model with plain strain...
26 February 2024 4,673 9 View