what is the relation among
1. Ra value
2. Ry Value
3. Rz Value
what is the relation among
1. Ra value
2. Ry Value
3. Rz Value
A typical Gas turbine Lubrication system sump consists of following input and output lines
- Oil enters the sump through supplyline (contains pump and Heat Exchanger).
- Buffer Air from Compressor leaks into the Sump through Seals.
- Air and Oil vapour are vented through Vent line.
This is my fave work coffee cup:
Unfortunately, the glaze is crazed inside with a network of hair-line cracks:
When left with coffee standing for a while, the coffee finds it's way through the cracks, seeps through the walls of the cup, and oozes out through more
Representative Barney Frank said Friday that the House Financial Services Committee, which he leads, would push to replace Fannie Mae and Freddie Mac, seized by regulators almost 17 months ago, with a different model for mortgage financing.
“The committee will be recommending abolishing Fannie Mae and Freddie Mac in their current form and coming up with a whole new system of housing finance,” Mr. Frank, a Massachusetts Democrat, said at a hearing in Washington, according to Bloomberg News. “That’s the approach, rather than a piecemeal one.”
Of course, Frank has not explained his "whole new system of housing finance."
Grab your wallet and head for the hills.
Wind turbines spin in the wind generating electricity on Hwy 10 North of Shelburne. Ontario is preparing to lift a controversial moratorium on the development of offshore wind projects in the Great Lakes.
25 January 2010 – The Ontario government has just signed an agreement that will (reportedly) bring more green energy and new jobs to Ontario, Canada.
A consortium led by Samsung C&T Corporation and the Korea Electric Power Corporation (KEPCO) will invest CAD$7 billion (£4.12 Billion) to generate 2,500 megawatts of wind and solar power. These projects will triple Ontario’s output from renewable wind and solar sources and provide clean electricity to more than 580,000 households. The investment will also lead to more than 16,000 new green energy jobs to build, install and operate the renewable generation projects.
QUICK FACTS
More than 1,200 megawatts of new renewable projects, representing CAD$2.8 billion (£1.65 billion) of investment, have started up in Ontario since 2003.
$7-Billion (£4.12 Billion) Investment Means Green Energy and 16,000 New Jobs For Ontario, Canada
Ontario is Canada’s leading province in wind and solar power.
The Green Energy Act will create 50,000 new jobs in the green energy sector.
CO2 emissions from coal-fired power generation are 73 per cent lower than 2003 levels, with four more units coming offline in fall, 2010.
Why aren’t more deals like this being made in the U.S.?
The Korean consortium will also work with major partners to attract four manufacturing plants. This will lead to the creation of 1,440 manufacturing and related jobs building wind and solar technology for use in Ontario and export across North America.
The consortium fully intends to use Ontario-made steel in its renewable energy projects, such as constructing its wind turbine towers.
This is the single-largest investment in renewable energy in provincial history. The consortium chose Ontario because the province’s Green Energy Act guarantees stable rates for renewable energy.
“Thanks to today’s announcement, we will be delivering more green energy for Ontarians to use — and more green energy products for North America to buy. With this step, Ontario is becoming the place to be for green energy manufacturing in North America,” said Dalton McGuinty, Premier of Ontario.
“We commend Ontario for creating a welcoming climate for green energy investment. Samsung takes pride in its global efforts to support a more sustainable future and looks forward to working with Ontario residents and businesses to create clean, green power,” said Sung-Ha Chi, President and CEO, Samsung C&T Corporation.
“This is an exciting opportunity to help create new manufacturing facilities and be on the cutting edge of an emerging renewable energy supply sector in Ontario,” said Chan-Ki Jung, Executive Vice-President, Korea Electric Power Corporation.
From NeonDrum
what is a ct meter? what is kwh meter?
eg: smdb panel is feeding 5 shops and reading by kwh meter.service areas are being measured by ct meter(connected to main panel)......is it necessary to have ct meter for this smdb panel?if yes then what is the use of ct meter 2 smdb panel as main panel h
Sir;
I am insearch of a small capacity heat pump which is meant for heating water for domestic purpose.
regards
ravi
sir i want information about mechanics . and i want to ask you one question what is the use of friction ?
sir
why we are giving dc supply to the field of ac generator why not ac
"Using data from Voyager, we have discovered a strong magnetic field just outside the solar system," explains lead author Merav Opher, a NASA Heliophysics Guest Investigator from George Mason University. "This magnetic field holds the interstellar cloud together and solves the long-standing puzzle of how it can exist at all."
Right: Voyager flies through the outer bounds of the heliosphere en route to interstellar space. A strong magnetic field reported by Opher et al in the Dec. 24, 2009, issue of Nature is delineated in yellow. Image copyright 2009, The American Museum of Natural History. [larger image]
The discovery has implications for the future when the solar system will eventually bump into other, similar clouds in our arm of the Milky Way galaxy.
Astronomers call the cloud we're running into now the Local Interstellar Cloud or "Local Fluff" for short. It's about 30 light years wide and contains a wispy mixture of hydrogen and helium atoms at a temperature of 6000 C. The existential mystery of the Fluff has to do with its surroundings. About 10 million years ago, a cluster of supernovas exploded nearby, creating a giant bubble of million-degree gas. The Fluff is completely surrounded by this high-pressure supernova exhaust and should be crushed or dispersed by it.
"The observed temperature and density of the local cloud do not provide enough pressure to resist the 'crushing action' of the hot gas around it," says Opher.
So how does the Fluff survive? The Voyagers have found an answer.
"Voyager data show that the Fluff is much more strongly magnetized than anyone had previously suspected—between 4 and 5 microgauss*," says Opher. "This magnetic field can provide the extra pressure required to resist destruction."
Above: An artist's concept of the Local Interstellar Cloud, also known as the "Local Fluff." Credit: Linda Huff (American Scientist) and Priscilla Frisch (University of Chicago) [more]
NASA's two Voyager probes have been racing out of the solar system for more than 30 years. They are now beyond the orbit of Pluto and on the verge of entering interstellar space—but they are not there yet.
"The Voyagers are not actually inside the Local Fluff," says Opher. "But they are getting close and can sense what the cloud is like as they approach it."
The Fluff is held at bay just beyond the edge of the solar system by the sun's magnetic field, which is inflated by solar wind into a magnetic bubble more than 10 billion km wide. Called the "heliosphere," this bubble acts as a shield that helps protect the inner solar system from galactic cosmic rays and interstellar clouds. The two Voyagers are located in the outermost layer of the heliosphere, or "heliosheath," where the solar wind is slowed by the pressure of interstellar gas.
Voyager 1 entered the heliosheath in Dec. 2004; Voyager 2 followed almost 3 years later in Aug. 2007. These crossings were key to Opher et al's discovery.
Right: The anatomy of the heliosphere. Since this illustration was made, Voyager 2 has joined Voyager 1 inside the heliosheath, a thick outer layer where the solar wind is slowed by the pressure of interstellar gas. [larger image]
The size of the heliosphere is determined by a balance of forces: Solar wind inflates the bubble from the inside while the Local Fluff compresses it from the outside. Voyager's crossings into the heliosheath revealed the approximate size of the heliosphere and, thus, how much pressure the Local Fluff exerts. A portion of that pressure is magnetic and corresponds to the ~5 microgauss Opher's team has reported in Nature.
The fact that the Fluff is strongly magnetized means that other clouds in the galactic neighborhood could be, too. Eventually, the solar system will run into some of them, and their strong magnetic fields could compress the heliosphere even more than it is compressed now. Additional compression could allow more cosmic rays to reach the inner solar system, possibly affecting terrestrial climate and the ability of astronauts to travel safely through space. On the other hand, astronauts wouldn't have to travel so far because interstellar space would be closer than ever. These events would play out on time scales of tens to hundreds of thousands of years, which is how long it takes for the solar system to move from one cloud to the next.
"There could be interesting times ahead!" says Opher.
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what is the actual meaning of NTPF TREAD WITH DESIGENATION AND HOW MUCH ANGLE OCCURS IN IT ?
It is now well known to medical science that the beginning point of all cancers is a change in either one cell or in a small group of cells. This means that, in the normal course of events, some years before a patient can even feel a lump and before a doctor or specialist is able to identify a cancer on a scan the cells themselves have already begun reproducing uncontrollably.
The cells are subject to something called mutation, in which the cancer cells appear to lose many important control systems as a result of the fact that a number of genes in the cell have been either lost or damaged and thus affect a cell’s overall operations. The genes are effectively the coded messages in a cell that instruct its behavior, directing the cell how to make different proteins. Proteins are the building blocks from which the cells are made up, with some acting in the role of switches aiding the control of cellular behavior
For example, in cellular reproduction the chain starts with a hormone signal acting on a protein whether on or actually in the cell itself. The protein subsequently sends a signal along a network of switches, and the last of these signals instructs the cell to reproduce – which it does by dividing into two. In the case of mutation a gene has been either lost or damaged, and this may result in either too much protein being produced or none at all. In specific cases proteins that operate by controlling and limiting cellular division may be permanently disabled, or a signaling protein might be permanently activated.
In terms of substances that can aid in the causing of cancer these are a number of substances currently in existence that damage cells, thereby making them more likely to become cancerous. Such substances are known as carcinogens and we can find many examples in daily life, such as cigarette smoke and other forms of pollution as well as certain fats – especially saturated fats – commonly found in fast foods.
Aging also results in the decreasing of cells’ ability to reproduce healthily, causing oxidization In terms of what types of genes make a cell cancerous there are three primary different types. The first type are oncogenes, which encourage cells to multiply or double. This would happen very occasionally in healthy adults, and cells would usually only multiply in order for damage to be repaired – after an operation or an injury, for instance. In such cases where such genes become abnormal they actually instruct the cell to multiply continuously.
The second type are called tumor suppressor genes, and these genes halt cell doubling or multiplication. It only takes one of these genes to get damaged and cease functioning for the cell to continue multiplying endlessly. As a result the cell effectively becomes immortal-and this is one of the principle properties of a cancer cell. Perhaps the most well-known tumor suppressor genes is called P53, which acts by halting the reproduction of other damaged genes as well as encouraging such genes to destroy themselves. It is known that the P53 gene is either absent or damaged in most forms of human cancer.
Finally, there are the genes that act by repairing other damaged genes, and they repair problems associated with the DNA that constitutes the cells’ genes. If these types of cells are damaged in any way it means that other cellular mutations will not be fixed and subsequently the cell can replicate its mutations to daughter cells. These repair genes have been discovered damaged in certain forms of human cancer, including bowel cancer.
I want to bend ms bar in 'u' shape length of bar 160mm diameter 40 mm ? HOW MUCH LOAD IS REQUIRED TO BEND MS BAR?
One of the claims most frequently made by “alternative medicine” advocates regarding why alt-med is supposedly superior (or at least equal) to “conventional” medicine and should not be dismissed, regardless of how scientifically improbable any individual alt-med modality may be, is that the treatments are, if you believe many of the practitioners touting them, highly “individualized.” In other words, the “entire patient” is taken into account with what is frequently referred to as a “holistic approach” that looks at “every aspect” of the patient, with the result that every patient requires a different treatment, sometimes even for the exact same disease of very close to the same severity. Indeed, as I have described before, a variant of this claim, often laden with meaningless pseudoscientific babble about “emergent systems,” is sometimes used to claim that the standard methods of science- and evidence-based medicine are not appropriate to studying the efficacy of alternative medicine. Of course, this is, in nearly all cases, simply an excuse to dismiss scientific studies that fail to find efficacy for various “alt-med” modalities, but, even so, it is a claim that irritates me to no end, because it is so clearly nonsense. As Harriet Hall pointed out, alt-med “practitioners” frequently ascribe One True Cause to All Disease, which is about as far from “individualization” as you can get, when you come right down to it. More on that later.
A couple of years ago, before I became involved with this blog, I was surprised to learn that even some advocates of alt-med have their doubts that “individualization” is such a great strength. I had never realized that this might be the case until I came across a post by naturopath Travis Elliott, who runs a pro-alt-med blog, Dr. Travis Elliott and the Two-Sided Coin, entitled The Single Most Frustrating Thing About (Most) Alternative Medicine. In this article, Elliott referred to a case written up by a fellow naturopath, who used an anecdote about the evaluation and treatment plan by a naturopath of a pregnant woman with nausea to show what is supposedly the “unique power of our medicine.” Unexpectedly (to me at least at the time), Elliott did not quite see it that way:
The physician who wrote the article is a chiropractor and naturopath whose practice is nearly 100% musculoskeletal issues. He said that he nearly always refers patients out for other issues, but this case was a woman who requested that he treat her pregnancy-related nausea.
This physician tried, in a series of appointments: ginger root, raspberry tea, pre-natal vitamins, a blood-type diet, acupuncture, acupressure, and spinal manipulation. None of these treatments worked, but the patient persevered.
Finally, the physician reached further in to his toolbox and prescribed a homeopathic remedy that cured her on the spot. The physician noted, “we are so fortunate as naturopathic physicians to be trained in many modalities. … This case reminded me that [we can treat on a much more personalized level] when we are equipped with so many different tools.”
This particular aspect of alt-med reminded me of a disparaging parody of the various nonsense to which many alt-med practitioners subscribe, namely:
If you try bazillions of cures until symptoms go away, then declare the last one to be a cure, you might be an alt-med believer or practitioner.
Which is most likely what happened in the case described, particularly since the last “remedy” tried was homeopathy, arguably the most utterly ridiculous and scientifically implausibly risible “treatment” ever conceived by a human mind. Most likely, what happened is that this patient’s symptoms either regressed to the mean or resolved on their own through the natural course of the condition, and this improvement just so happened to correspond with the trial of a homeopathic remedy. Be that as it may, however, Elliott brought up an interesting point, one that I’ve never heard an alt-med practitioner or promoter bring up before:
This case can certainly be hailed as a success, since the patient was healed and no harm was done by the initial treatments that didn’t work. But I can’t help but feel badly for the woman for having to go through so much trial and error to get results. I mean, it probably cost a significant amount of money to keep returning to this physician for his next guess.
This is exactly the kind of situation that frustrated me when I practiced naturopathic medicine. How did I know what would work for a patient? (I didn’t.) And just like this physician, I didn’t think that there was any way to know, either. I could try and learn from each patient and apply that knowledge to the next one with similar symptoms, but each patient was so unique that what cured one person might have no effect on the next.
Meanwhile, patients are forced to try treatment after treatment, doctor after doctor in search of a solution that works.
Of course, I can’t help but marvel at the irony here. Indeed, the above passage fried my irony meter until nothing was left but a smoldering, smoking, quivering blob of metal and rubber crying out feebly, “¡No mas, no mas!” If such a patient went to a conventional doctor (or to multiple conventional doctors) with a complaint of nausea, and various remedies were tried and didn’t work, just imagine the reaction of various defenders of alt-med to that! This same case, if it had been handled by “conventional medicine” would be cited by alternative medicine aficionados as “evidence” of how ineffective “conventional medicine” is or how it can’t deal with common problems! Indeed, how many times have you heard “testimonials” that begin with a patient describing a trek from doctor to doctor, all of whom were unable to diagnose the problem or find an adequate treatment to relieve the patient’s symptoms? I can just hear it now: The sarcastic commentary about how poorly conventional medicine does with problems such as nausea in pregnancy and how superior “alternative medicine” is in dealing with such complaints. Yet, here we have a case being presented by a naturopath in which the hapless patient was forced to try remedy after remedy, none of which worked until the end, in which it is not clear whether the “homeopathic” remedy actually did anything (chances are, for obvious reasons, that it did not) or the nausea simply resolved on its own thanks to the tincture of time, as nearly all nausea and vomiting during early pregnancy does. Indeed, this problem will resolve in 90% of women by the 20th week of gestation. (How many weeks did this woman try naturopathic remedy after naturopathic remedy?) And this case is presented as a success! Now that I think about it, hanging around the alt-med Usenet newsgroups years ago, I heard similar stories time and time again. If you lurk on the CureZone message boards, you’ll find hardcore alt-med believers discussing trying various remedy after remedy, touting some and dismissing others contemptuously, all on the basis of little or no evidence.
After praising some sort of alternative medicine diagnostic modality called the BodyTalk system, which, supposedly greatly decreases this extensive “trial and error” approach, Elliott concluded:
Two years ago, I would have wholeheartedly agreed this case of nausea was a great success. But now that I know better, I see it as another sign of how far alternative medicine needs to go.
Yes, “individualization” of treatments is touted as the greatest strength of alternative medicine. Who can argue that this is a wonderful thing?
I can, at least to a point.
Here’s the problem with “individualized” treatments. Taken to an extreme, as many alternative medicine practitioners do, “individualization” becomes in essence an excuse to do whatever the heck the practitioner feels like and not to have to list diagnostic criteria or show actual efficacy of their treatments in a way that others can replicate. Look at Dr. Elliott’s statement: “Each patient was so unique that what cured one person might have no effect on the next.” Certainly, organisms such as humans can and do show considerable variability in their biology and response to treatment, but rarely so much that what “cures” one person will have no effect on the next. Such extreme emphasis of “individualization” is virtually custom-designed to lead to exactly the sort of marathon trial-and-error treatment histories he described.
Let’s compare and contrast. In “alternative medicine,” it is very frequent that consultations by different practitioners for the same patient with the same symptoms will result in completely different diagnoses and courses of treatment. In contrast, although there can certainly be disagreement among conventional doctors about the diagnosis and/or treatment for an individual, at least in cases that are atypical or represent uncommon diseases or conditions, such disagreements tend to occur within a much narrower range of possibilities. That is because science-based practitioners will have more standardized diagnostic criteria based on scientific evidence, rather than the individual idiosyncrasies and beliefs of different practitioners. In essence, science-based medicine, through clinical trials and research, has done a lot of the trial-and-error work already, so that individual practitioners don’t have to. The result is protocols that work for a majority of patients. Even when those protocols do not produce the desired results, the choices for “individualization” of therapy are much narrower and based on science and evidence gleaned from clinical trials of large numbers of patients. True, one danger is that this can devolve into “cookbook medicine,” but in reality, as long as the protocols are not too rigid, the good of such protocol-based medicine very likely outweighs the bad. In alt-med, however, what is tried first depends almost entirely on the individual practitioner, as does what is tried next — and next and next and next. There is no standardization and no scientific basis on which to choose treatments.
This emphasis on “individualization” in alternative medicine is particularly ironic when we consider certain specific alternative medicine practitioners, in whose practice disease causation all too often devolves into ludicrous commonalities in which there is claimed to be a single cause for many diseases. For example, the late Hulda Clark used to claim that “all cancer” is caused by intestinal flukes and that “the cure for all cancers” is in essence the same for everyone, a degree of standardization that even the most dogmatic practitioners of evidence-based medicine would find hard to swallow. (It should also be noted that, in an amazing bit of irony, Hulda Clark died of multiple myeloma; i.e., cancer.) After all, no practitioner of science-based medicine who actually knows something about cancer would ever claim that “all cancer” has a single cause. Similarly, Clark claimed to have the cure for AIDS based on similar principles, even though the causes of AIDS and various cancers are clearly different. Meanwhile reiki therapy, acupuncture, and a wide variety of other alternative medicine modalities claim that all disease is due to an “imbalance” in your life energy (qi) or a blockage in the flow of qi that needs to be eliminated; the only way that they differ is in the methods that they use to alter the flow of qi in order to cure. Or consider the case of the frequent alt-med claim that some therapy or other “boosts the immune system,” as if that were always a good thing and there were no such things as autoimmune disorders due to the excessive or in appropriate activation of the immune system. Truly, Harriet was right on target when she lampooned the tendency of different “disciplines” of alt-med to ascribe One True Cause to all disease.
Indeed, one of the most hilariously over-the-top example of this is “Dr.” Robert O. Young, a man I mentioned at my talk during the SBM conference at TAM7 last year, a man for whom acid is the disease and baking soda (in essence) is the cure for all disease. I’ve been meaning to write about him; he has some amazing gems, such as when he claims that cancer is a acid. So are viruses. And acid is the cause of all disease. I’ll add Young to the queue of topics I want to blog about. In the meantime, for your edification here is the slide in which I featured him at TAM7:
And Young is just one example of an “alt-med” practitioner who ascribes all disease to in essence a single cause.
In the end, this fetish for “individualization” in alternative medicine is a sham. It’s invoked when it is convenient to do so, particularly in the cases of “treatments” like homeopathy, in which any therapeutic effect perceived is due to the placebo effect. However, if you think about it, many alternative medicine modalities are far more rigid than conventional medicine in ascribing a specific cause to disease. When you come right down to it, the emphasis of alt-med on “individualization” and “treating the whole person” consists of little more than marketing buzzwords. There’s no evidence that alt-med does any better at treating the “whole patient” than conventional medicine and considerable evidence that, by lumping many diseases of unrelated pathophysiology together and using the same treatments for them, alternative medicine’s claims of “individualization” means the freedom to keep trying stuff until the patient’s symptoms get better on their own.
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The world’s melting glaciers: Disappearing alpine glaciers are an ominous sign of global warming
Every day I read or hear somewhere a media person of some type say that the glaciers aren’t really melting, they are actually gaining ice. Then I see blog posts repeating this false claim. How can people deny reality, when the glaciers are melting right in front of our eyes? (This is getting as bad as denying the moon landing.) The fact is that glaciers, world-wide, are indeed melting, and it’s not due to natural “cycles” or sun activity, it’s due to global warming caused by us. Also, read more about George Will’s latest disinformation below. (Click on the photo for the video to start).
*Video: national geographic glaciers melting january 2010
From National Geographic.
While the glaciers melt, the politicians are still trying to find a way to talk to each other without the demands and recriminations.
NEW DELHI: With an eye on the climate change conference in Mexico, [next December] the BASIC countries are considering ways to mend fences with the small island states and less developed countries. At the BASIC meeting to be held this week, India is likely to put forward a proposal for a fund to help vulnerable countries to deal with the effects of climate change.
The BASIC meeting in New Delhi will focus on post-Copenhagen scenario. With the group—Brazil, South Africa, India and China—now focusing on climate change negotiations leading to the conference at Mexico, it will need to work out ways in which it can make common cause with the rest of the developing bloc. There has been a sense that in Copenhagen, the emerging economies or the more advanced developing countries had broken ranks with the G-77. For the BASIC to retain its negotiating strength it will need to reach out to the vulnerable countries in the developing group.
The fund could serve this purpose. “The details of the fund are still being worked out,” a senior ministry official said. The proposed fund will be bilateral in nature and not under the auspices of the United Nations Framework Convention for Climate Change. The fund is unlikely to be a formal set up as that would require setting up of structures. Instead each of the four countries—Brazil, South Africa, India and China—will co-ordinate their climate related aid to vulnerable countries. Source
Why do China and for that matter, the U.S., even bother pretending they are interested in climate change? I have lost my patience with these politicians and "negotiators". They don't care about the future of the livability of the planet -- it's politics, the next election, jobs and low cost energy that they are concerned with. Climate change has always been secondary to not only developing countries but to the most-developed "developing" countries too. Look at the use of coal in China, with no end in sight. To the tiny nation of the Maldives it's the opposite -- climate change [...]
Hello Frenz
I am Get in to the prob as I have to select and approve the T- Type pressure balance bellow vendor drawing and desgin .
Now i got the drawings From 2 vendors and both having much differenece with each other .
for example :- vendor 1 gives one bellow used in flo
Are the following categories of subsurface pumps for SRP application for artificial lift are API pumps?
API-25-175-THM-16-4-4
API-25-175-RHAM-16-4-4
API-25-150-RHTM-16-4-4
API-25-125-THM-16-4-4
API-25-125-RHAM-16-4-4
If a hydraulic system is designed by taking in to consideration a particular fluid (properties of a particular fluid) and now if it is to be used for another fluid, what all things will have to be checked to assure that whether another fluid can be used with that system or not.