Hi,
( im not sure where to put this)
Ive been researching about potentiostats, and I cant seem to grasp the purpose of it when you have a voltage supply. Why cant you use a voltage supply to plate a...
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Hey,
If you have 3 pipes of different diameter flowing into another.. what needs to be true for the head loss in the 3 pipes to all be equal?
ie Hf1 = Hf2 = Hf3
Cheers. :S...
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I know annealing makes a material more ductile, but what are the differences in the structuer of the material?
I have a picture I took of 1018 and 1040 untreated... if you know the difference, thin...
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I am designing a sulphuric acid drying absorption tower, the acid absorbpes the water vopur from a gaseous stream.
There will be a temperature increase due to three factors:-
Heat of Dissolution
...
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I need to draw an equilibrium curve for a process the equation being
y*=F(x)
y*=Hx, where H is henry's coefficient or constant, but I carnt find H and do not know which H I need (for which substance...
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Can I just say that any one willing to offer help I will pay them £20+ an hours for their time, I could only really see this happening over msn real time chat though, but I will publish findings ...
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Hello
I'm a last year student in chemical engineering at the KUL and I'm having difficulties finding a job. (sounds ridiculous I know)
At each interview people ask me why I began my studies as c...
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Which one would you prefer?
Steam reformer:
CH4 + H2O -> CO + 3H2
CO + H2O -> CO2 + H2
Dry reformer:
CH4 + CO2 -> 2CO + 2H2
1) The SR uses steam injection, the DR doesn't ha...
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Does anyone know how to get more ethene out of a propane/ethane stream? I know you can use a higher temperature, but can you do something with the steam ratio or pressure too?
Also:
After the re...
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I was thinking about the principle of energy density and how sharp knives cut so easily because their surface areas are tiny and thus any force applied to them is imparted on this tiny area.
So my ...
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In a thermal conductivity table, what does the temperature column represent in respect to the given coefficient "K" ?
E.G
http://www.engineeringtoolbox.com/th...als-d_858.html [http://...
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Wondering if anyone can give me a clue as to where I might look for information on what the best core material would be for an electromagnet if price were not an issue.
I need as much magnetic stre...
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Is there any reason why ethanol in bulk cannot be transported by a mixed commodity pipeline (i.e., one that also ships gasoline, diesel, jet fuel, etc.)?...
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Where can find the Is there any different ot it just same?
Where can I get the information about thermomechanical treatment of aluminum alloy?...
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The material used is AA6061 T6.
First the material solution treated at furnace at 500C for 18 hours.
Then the alloy quenxh with water and leave to room temperature.
Then the aluminum alloy is cryog...
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hiiiii plz can any one help me , what is the suitable hysys package for sulfuric acid ?...
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I need a method for estimating the liquid flow rate required by a gas scrubber (I know the amount of gas that needs to be scrubbed and the amount of particulates with it, but I don't know about the na...
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This seems like a valuable and worthwhile article for those involved in machinery.
Synthetic lubricants in precision mechanisms [http://www3.interscience.wiley.com/cgi-bin/abstract/112468270/ABSTRA...
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i need a book in friction material ....
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Hi All,
I'm working on a project that requires a flexible membrane be heated and cooled about 2000 times.
During the cooling process, I require the material give off heat for as long a period of...
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I'm not sure if Percipitation graph is the correct terminology for this. But I know there are charts which can show a materials hardness after percipitating over time, then once it percipitates longe...
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G'day..
Regarding ethylene production. Does anyone know good links to obtaining process flow diagrams for different manufacture methods or descriptive methods to allow the construction of a process...
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I am designing a cracking furnace to crack Ethylene Dichloride. the furnace is at around 500 C and 2 M Pa. To perform an energy balance I need the specific heat capacity of the EDC at the aforemention...
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A bicycle pump which has a stroke of 20cm is used to force air into a tyre against a pressure
of 4bar.what length of stroke will be swept through before air begins to enter the tyre when the piston i...
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I want to check the variation in properties like hardness , Modulus with respect to penetration depth in aluminum cladding...How could I prepare specimen for Nanoindentation without damaging Cladding ...
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