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Materials & Chemical Engineering

- Properties of matter and its applications. Metal Production, Fabrication, Distillation, Corrosion
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Jan16-12 Greg Bernhardt
Illegal/Dangerous Activities: Explicit "how to" discussions of illegal and/or dangerous activities, or posts...
Jul31-07 05:01 PM
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I have the answer to this question but I'm finding it hard making sense of it... Q5) Dervive a relationship...
Oct5-11 12:36 PM
2 1,925
Its been a while since I took thermo. I was looking through my notes regarding fugacity at chemical equilibrium. There...
Oct5-11 06:06 AM
1 2,233
Hi everyone, I'm trying to solve a problem concerning steady state and dynamic models of chemical reactor. I...
Oct3-11 06:15 PM
0 1,234
As I understand it, carbon nanotube (CNT) exhibits quantised conductance (2e^2/h) because the mean free path length...
Oct1-11 10:09 AM
0 1,251
Hello All, I'm hoping someone can assist me in locating a stress amplitude vs. cycles curve (S N curve) for a...
Oct1-11 05:24 AM
1 3,299
Hello everybody, i have the following question. How can i determine the natural frequency of plexiglass or any other...
Sep29-11 07:02 PM
0 2,830
Hi, So the other day we performed the Jominy quench test on 4 different steel samples. We followed the standard...
Sep29-11 06:05 PM
0 1,852
Hello all, I am conducting some experiments in which the samples are to be produced via hot pressing. However, I...
Sep27-11 11:33 AM
0 1,210
I have questions regarding Chemical Engineering, which I am considering as a major at UC San Diego. I am good at math...
Sep26-11 01:31 AM
4 3,198
Hello, I have somewhat of a difficult question. First of all I have to say I am not an engineer. I need help in...
Sep25-11 06:24 PM
1 1,500
Hello, I am new here and I joined because I was wondering if I could find any help concerning finding heat from...
Sep25-11 02:55 PM
Physics quest
0 1,568
Hi, I want to try and make some steel alloy in an induction furnace. I have gone through youtube, Engineering...
Sep25-11 09:54 AM
1 2,079
Is there a material to convert kinetic energy to electricity? I had a great idea through a dream.. as I often do. The...
Sep24-11 10:12 AM
0 1,166
Could somebody explain how pseudocapacitors store energy? In other explanations I found such exression as ``fast...
Sep21-11 07:12 PM
0 1,602
Please let me know the significance of using P80 and F80 in the Bond's law.
Sep20-11 11:00 PM
0 2,174
Hi! Iam doing metal sheet forming simulations and I want to find a material for AA6082 and I wanted to use a power law...
Sep20-11 03:46 PM
1 2,017
Hi everyone i need help converting 25MMscfd of natural gas to kg/hr i calculated the molecular weight of the...
Sep19-11 07:25 PM
1 13,562
Recently, I had lab. In the lab we took different objects and measured their strain. One object had a varying cross...
Sep19-11 06:24 AM
2 1,992
I just learn the finite element theory, now I have one problem, I want to calculate the four-node effective strain...
Sep16-11 06:48 AM
0 1,741
Hello I'm trying to find the equilibrium line of a gas-liquid (CO2-propylene carbonate). I have been given the moles...
Sep16-11 03:13 AM
0 1,527
We have 2D point coordinate before and after experiment(you can see the attachement), now we want to get the contour...
Sep15-11 07:14 PM
2 1,618
Preferably YBCO or BSCCO as I only have liquid nitrogen at my disposal. The issue I'm running into is that no HTS...
Sep15-11 11:08 AM
2 2,070
Do people do supercritical drying with water? The critical temperature and pressure of water - about 375 C and 3500...
Sep14-11 05:39 PM
4 4,138
Please I need Visual Basic algorithm for computing Hermite polynomials. Any one with useful info? Thanks.
Sep14-11 02:50 PM
1 1,796
Hello. This is the last question on HW. Q) Diamond and graphite are both made of carbon atoms. Explain why diamond...
Sep14-11 12:54 PM
1 2,411
I need to design a 2 component distillation column. This includes drawing a geometrical sketch of the column and the...
Sep14-11 08:34 AM
0 2,215
Hey everyone i'm in the process of designing an absorption tower (packed) to remove pure CO2 from a natural gas...
Sep14-11 03:06 AM
0 2,109
I have a environmental engineering problem to do for homework, it goes like this: How many mg/L of magnesium ion...
Sep13-11 10:16 PM
0 2,088
Hello all. I was inquisitive whether a diamond can be broken by a hammer. I think it can be, because diamond is the...
Sep13-11 08:10 AM
3 1,964
Hi .... my equations is : 1- if the refractive index of the dielectric material related with frequency ? if yes ,...
Sep10-11 04:58 AM
0 1,414
Guys please I need your help.. In article: “The enhancement of photodegradation efficiency using Pt–TiO2 catalyst”...
Sep9-11 09:45 AM
0 1,132
hey guys, i am planning on buying some pieces of bismuth, as well as machining a disc of aluminum so that there is a...
Sep8-11 02:28 PM
0 1,760
Many of you may be annoyed by my question. I'm sorry in advance. I've just finished my M.S. in Materials Science &...
Sep7-11 11:33 PM
2 2,032
Hello I am building a casing for Neodymium Magnet. I don't want to shield the power of the magnet in any way, and I...
Sep7-11 12:40 PM
4 3,363
Hi all, I have search far and wide for this answer and could not find it. During the late 80's and early 90's...
Sep7-11 11:58 AM
0 1,413
Fe is my favorite element. I love her less-than-absolute, yet still high, opacity to thermal energy as well as her...
Sep5-11 03:26 AM
1 1,757
The problem statement says to derive the concentration as a function of time for the general three species first order...
Aug31-11 09:42 PM
0 1,562
I want T91 steel with high quality,but not very much for irradiation research.I would be very thankful if someone...
Aug31-11 07:05 AM
2 2,117
Right now I am using silver solder to combine heating elements on a copper pipe. This is becoming very expensive. Any...
Aug29-11 09:04 PM
3 3,143
I am trying to find out how much it costs to make synthetic fuels from electricity and appropriate feed stock. Some...
Aug29-11 08:10 PM
2 2,297

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