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1 Answer. Let us take the mathematical expectation as a point forecast. Add 1 to each time index, and you will see that X t + 1 (the future value of X) is a sum of weighted past errors, a constant and ε t + 1. The latter comes from the future and is not available to us, but it has an expected value of 0, so we set it to that.
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Most gold found in placer deposits is alloyed with small amounts of silver. If the ratio between gold and silver reaches at least 20% silver, the material is called "electrum." Electrum is the name for an alloy of gold and silver. A significant amount of today's silver production is a refining byproduct of gold mining.
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6 Answers. No, light does not have memory. All the processes of light propogation are the same backward and forward, there is no 'arrow of time' in the way light behaves. The example of light changing color is an interaction with matter, probably generating heat: the matter is doing that, and it's irreversible.
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To emphasize the huge potential of these stocks, Kinross Gold ( KGC) reported a profit margin of $987 an ounce in Q2 when the average gold price the company received was only $1,712. Gold is now...
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Nevada Gold Mines and Nevada's mining industry as a whole has cemented that partnership through establishing the mining education tax and excise tax that will go directly to fund education in the...
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Ichor is a low-grade monster byproduct that can be harvested from a wide variety of enemies. The easiest choices are giant snakes, scorpions, and spiders, all of which can be found quite easily in the western and central desert. ... whereas 1 bar will grind down to 10 dust. In total, you'll need 75 gold dust, 150 silver dust, and 150 ichor to ...
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Helium has a very low viscosity, a high diffusion coefficient, and the smallest atom of any element. These characteristics make helium very hard to contain. If a system has a leak, helium will escape. Helium gas is therefore used to test for leaks in high vacuum systems, fuel systems, and other containments.
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Once the foundation dries, press the gold into your skin. Then, lightly rub the gold against the foundation. If your gold leaves a line or black streak, it is very likely to be authentic gold. If you do not see a line or black streak, the object is likely to be another metal or gold-plated.
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The general equation for respiration is Sugars + O2 = CO2 + H2O + energy. So clearly, CO2 is a byproduct of respiration. What is the byproduct of a smelter? byproduct of smelter are...
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No undesired byproducts are produced. If you are meticulous recordkeeper, you can keep track of remaining materials in storage in the beyond for future use. Ionize Ions are created by adding or removing electrons. Ionization greatly affects an atom's likelihood of bonding chemically with neighboring molecules.
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What role do plants play in the nitrogen cycle? a. they release nitrogen into the atmosphere by decomposing nitrates and nitrites b. they convert atmospheric nitrogen to ammonia c. they produce and release nitrogen as a byproduct of photosynthesis d. they convert nitrates and nitrites in the soil to proteins
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However, gold is readily dissolved in a number of solvents, including oxidizing solutions of hydrochloric acid and dilute solutions of sodium cyanide. Gold readily dissolves in these solvents because of the formation of complex ions that are very stable. Gold (Au) melts at a temperature of 1,064° C (1,947° F).
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Maroon is a byproduct of mixing colors red and brown. It is a darker shade of red that represents love, passion, risk, and confidence. As we mix the two colors red and brown, we discover how colors can affect each other. This means when you combine the two, the quantities of the two colors can make the byproduct brighter or darker.
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The role of copper at New Gold offers a window into how "byproduct accounting," as it's called, can impact miners' financial statements. And it raises an important point for New Gold's shareholders: To evaluate the company's prospects going forward, it's essential to keep an eye not only on the bullion that gives the company its ...
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flags &= ~QueryFlag.ByProduct; Obviously his answer is correct and easy to understand. I thought I made a mistake. But after a deep thought I got: a,b a^b a&(~b) 0,0 0 0 0,1 1 0 //the difference 1,0 1 1 1,1 0 0 ... 31.8k 5 5 gold badges 79 79 silver badges 114 114 bronze badges. 3. Now I understand your 2 answers to my first question. Thanks ...
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Though answers to such questions are never that simple, poor service delivery in South Africa is a byproduct of many things: Corrupt, incompetent, uncaring leadership [an indictment of the...
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A researcher investigated how the metals are accumulated over the time duration of a mineralizing event and discover that the depth of the deposits influences the quantity of metals produced and...
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Pyrite is called "Fool's Gold" because it resembles gold to the untrained eye. While pyrite has a brass-yellow color and metallic luster similar to gold, pyrite is brittle and will break rather than bend as gold does. Gold leaves a yellow streak, while pyrite's streak is brownish black. Read more about this sulfide (FeS2) mineral here. [.]
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For example the reason a match goes out when you blow on it is because your breath cools the wood and prevents it decomposing. When you hold a match upwards the flame travels up away from the unburnt wood, so the wood is not heated as much as with the match held horizontally. Depending on exactly how the match is designed the heating of the ...
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Currently, we humans mine about 8-parts of silver to 1-part of gold ore globally. In other words, for each metric ton of gold production, there are 8 metric tons of silver. As of November of 2021, the gold-silver ratio has been fluctuating between 75 and 80. It reached an all-time high of 122 in the outburst of the quarantine in March of 2020.
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Case 1: In the phagoloysozome, when there is a deficiency of NADPH oxidase, catalase positives can clear off the H 2 O 2 they produce, thereby stopping production of free radicals via Fenton and myeloperoxidase. The bacteria survives and hence causes symptomatic infection in CGD patients.
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The fact is, it relates to gold and silver as precious metals. But in the modern world, they are very different commodities with different supply and demand dynamics. On the supply side, gold can be mined as a primary material, for example, whereas silver is typically mined as a byproduct.
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Indeed, thanks to Columbus, Europeans had discovered a brave new world. A small trade in ivory, gold and slaves was about to be transformed into an intricate global web of trade, piracy and politics. In 1497, Europeans landed on the island of Hispaniola in modern-day Haiti, and by 1517, they were on the American mainland.
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Ethanol, or ethyl alcohol—the byproduct of yeast fermentation—has no flavor of its own. By that I mean it does not trigger any receptors in the tongue or nose. It does have a effect, which results from the alcohol interacting with the cells in the mouth. If you are planning on using a wine in cooking, particularily if it will be reduced or ...
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The word petroleum means rock oil or oil from the earth. Diatoms magnified under a microscope. Crude oil and other hydrocarbons exist in liquid or gaseous form in underground pools or reservoirs, in tiny spaces within sedimentary rocks, and near the earth's surface in tar (or oil) sands. Petroleum products are fuels made from crude oil and ...
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Answer: In the broadest sense, power is the ability to influence others to perform certain actions. It does not necessarily correspond with one's whims or one's vision of an ideal world. In fact, power, especially implicit power (privilege), can be detrimental to an individual if it is used to cr...
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Yes, China is rapidly becoming a major producer of many metals, though it also buys metals and ores from other nations. In gold, it has reached the pinnacle and has done so through many small mines rather than a handful of larger ones. In second place is the United States, with most of its production coming from primary mines in Nevada.
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The very short answer is that it is not some magical property of gravity per se that causes many things in nature to rotate, spin or orbit but just basic Newtonian physics. Have a read of that entry then come back with any more specific questions you have. Good luck! Last edited by a moderator: May 2, 2017 Mar 28, 2007 #3 Tarnix 9 0
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Hence, the main role of the base in the reaction mechanism is to increase the reactivity of the boronic acid toward the P d -halide complex by converting it into the respective organoborate. In addition, boric acid, an important reaction byproduct, affects the selectivity in the Suzuki reaction because its gradual formation in the reaction ...
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17.6k 9 9 gold badges 70 70 silver badges 110 110 bronze badges. asked Jan 24, ... It was the byproduct of a human and bull, ... it does not make one a cannibal (as other answers mentioned) but I think it does make one a monster. Technically cannibalism is, as other answers mentioned, about eating one's own species - other species, even sapient ...
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Mines where the byproduct makes up a significant amount of production by revenue - or even a majority - can drive the costs into negative numbers. That's the case at New Afton, where the 25,300...
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Please be sure to answer the question. Provide details and share your research! But avoid . Asking for help, clarification, or responding to other answers. Making statements based on opinion; back them up with references or personal experience. Use MathJax to format equations. MathJax reference. To learn more, see our tips on writing great ...
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The answer is yes, but not as bad as CFCs. Solar panels help fight against global warming, which will make the ozone hole worse over time and should not be looked at as a replacement for CFCs and other Ozone-depleting chemicals. Do solar farms damage the soil?
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Don David Gold Mine's total cash cost after byproduct credits was $784 per gold equivalent ounce sold. In total, all-in sustaining costs were $1,365 per gold equivalent ounce sold.
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Use milk instead of water. Add just a bit of milk to the water. Add some white, water-based paint to the water. Instead of water, fill the bottle with a white non-liquid like white rice, white sand, or even shredded or crumpled paper. Paint the outside of the bottle white, instead of relying on the color of the liquid inside.
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ie; my doodles, may be far from what actually is happening. Hydrogen H = proton + electron. Deuterium D = (proton + neutron) + electron. We are talking about two different chemicals, one is a water made of hydrogen and oxygen. the other is a different kind of water (heavy water) made of deuterium and oxygen.
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Depending on the mixture, bleach can produce toxic gases that are harmful. Phosgene gas, also known as mustard gas, is actually a byproduct of bleach when combined with ammonia. A few other elements that are created as a byproduct include hydrochloric acid, chlorine gas and hydrazine. So Why Does It Matter?
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o Determine if your program will use the free GOLD® Documentation app (Apple or Android), and if so, download the app on your classroom devices. Encourage all teachers to complete the Interrater Reliability Certification process. This is an online certification process that's free for all GOLD® users and ensures all users' ability to make
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It is like a byproduct that will help you but without scientific claims. ACV has substances that burn fat while exercising and also help curb your appetite. Furthermore, you have to combine it with a reduced-fat diet and regular exercise. There will not be a tremendous effect as you might suspect.
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