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Carbon Nanotube

Dera friends; I would like to chracterize my CNTs by FT-IR but I can not get good results. Is there anybody who knows wh...
0 comments posted 22yrs
posted by E_Najafi
0 comments posted 22yrs posted by E_Najafi

Synthesis of carbon nitride in a school lab

Does somebody remember an educative video from the Open University, in the United Kingdom, about Organic Synthesis, whe...
0 comments posted 22yrs
posted by russoedgar
0 comments posted 22yrs posted by russoedgar

pu-foam which stays elastic?

Hi! I have some steel construction, where I need a PU-foam bead of about 2" for insulation against water, to allow adap...
0 comments posted 22yrs
posted by grosz
0 comments posted 22yrs posted by grosz

Major constituents of PAC

I am studying the flocculation of solutions of a number of viruses using polyaluminum chloride (PAC) [otherwise known a...
1 comments posted 22yrs
posted by mikehopper
1 comments posted 22yrs posted by mikehopper

Nano-particle question

There is a new class of organic/inorganic materials 'midway' between silicone and silica. They consist of a 'cage' of S...
0 comments posted 22yrs
posted by mfeather
0 comments posted 22yrs posted by mfeather

recycled insulation materials

hi, i need some information on 1. the methods of collections, sorting and separtion of the insulation materials (mainly...
0 comments posted 22yrs
posted by p.c.tey-02
0 comments posted 22yrs posted by p.c.tey-02

stress vs. strain determines crack limit

Hello, With respect to classic power-law crack growth in brittle materials, the critical limit is given by K = Y*S*a^1/...
12 comments posted 22yrs
posted by seferiad
12 comments posted 22yrs posted by seferiad

Surface Preparation for Metallographic Analysis

I was wondering if anyone in this group could point me in the direction of a resource that could tell me a bit about th...
6 comments posted 22yrs
posted by allenma01
6 comments posted 22yrs posted by allenma01

OT news theory of Tacoma Narrows collapse? =>

http://spazioinwind.libero.it/gabrielesax/ in the section "Structural Engineering" The best regards
0 comments posted 22yrs
posted by gabrielesax
0 comments posted 22yrs posted by gabrielesax

Unique Material?

Is it true that Lithium Beryllium Nitride (with varying concentrations of Lithium and Beryllium) is the only salt where...
2 comments posted 22yrs
posted by kjones000
2 comments posted 22yrs posted by kjones000

Degradation of HDPE from alkali A-glass

Does anyone know how long it takes the strength of HDPE to degrade, when it is reinforced with A-glass? Are there addit...
2 comments posted 22yrs
posted by ttk
2 comments posted 22yrs posted by ttk