Richard B. Alley explained the role of CO2 in Earth's climate history at the AGU Fall Metting in San Francisco December 14-18, 2009 here. Fair warning: the video lasts one hour. In the presentation, he dicussed ocean acidification, ocean CO2 absorption, volcanic activity, ice cores, earth cores, oce

Hi

We face some problem when we proceed to replace the existing Actuator , rotork IQ20 F14 B drawing NO 200-520-01 with IQ20 F14 A DRWAING No 300-500-04, as you knew both of them are dual Channel

All configuration parameter done ,from local control conducting open

i am a little bit confused abt the concept of orifice and nozzle an a hydraulic line.plz give me the suggestion.

where it(orifice and nozzle) is used in terms of pressure and flow?????

i want to build a 250A low voltage panel. can somebody help me with all the materials i need and accessories to build it

Hello, could you please help me?, I am interesting to have information about a guide lines to reject or change a "STEEL WIRE ROPE" 13 mm diametre. Is there any formula to calculate or evaluate the wear to be replaced.

Thanks in advance.

This is a Call to arms we need the best minds more now then any other time in our history, The United States has cured more ills, invented more inventions, has more advanced technology, has advanced more human rights, then any other country. has also destroyed more things then any other country. We

Actually I can not differentiate between # pound unit of measurment and PSI unit. when we shall use the pound and when we shall use the PSI.

Suppose 3000 psi =?#(pound)

Thanks a lot for your help.

I'm trying to rewire a mouse cable into a mouse. Cable colors are tan, blue, white and green. I understand from web search the white is likely -Data, green is +data but don't know blue and tan choices for "V" and "G" on the mouse pcb. Can you help?

Dear friends,what is the safe voltage limit that can be exposed in the hydrocarbon plants.....can we use battery operated ordinary device/meters in field ?which standard represents that?Thank you,....

As noted earlier, I found a piece of IPE. It was suggested that I make a longbow. Since the IPE has lots of wiggles, I think it might not do for a selfbow but would need to go into a laminated one. Now the problem...what to laminate it with. I have no ash and no white oak or hickory. What other wood

Good day Guys!

Who can help? My question is about NMR (Non Material Requirement). What it covers. What are the types of NMRs. What are the limits of each type. Where is it used. Is that all big organizations use same type of NMRs or are diffierent and their own designed. Of course I know that i

can mig & tig welding can be done on the same material for e.g root run+hot pass with mig welding & the final welding with tig welding for better finish .& appearance. is this is possible..

how i can conduct a test to check the battery AH rating

A Wall Street Journal reporter makes the case for office workers — rather than the IT department — choosing which technologies they use and work with. At first blush, it's a radical-sounding idea, and one that'll probably send chills through most IT managements, but he gives some co

Bulk metallic glasses have been around for years, but only recently are they finding more uses in small electronics, cell phones, and medical equipment. They can outperform titanium and steel, and their brittleness drawback is being overcome with the development of BMG foams. And like plastics they

Dear sir,

I am working in irrigation project in india we have 11 kv syncronous motors rating is 13.6MW while during trail runs of the motors we have been observed that the RTD'S(winding RTD'S) sensing induction voltage of nearly 145 volts(A.C) These RTD'S are connected with PLC.My consultant sa

In joule thomson process no heat is exchanged and no work is done. why does the gas temperature change? what is the reason(s) of the temp. reduction of the most gases?

hi all.......... do anyone know what type of fluids are used in pressure gauges?

i mean the lubricant used in the cavity between the gauge and the diaphragm

A 2D physics problem. A car of unknown weight is going up a hill at some angle theta. Distance between tires are 2.90m with C.O.G situated 1.15m behind front wheel. Co-efficient of static friction between road and tires is given to be 0.7. The question posed is what the maximum angle would be that t

I want to learn intool package........pls tell me which institute is best in india.

As Rolta Automation is just cheating with candidates....they dont know nothing about automation.........just grab the money (45000INR)

if any one is undergone this course..... pls share your knowledge.