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LangChain is a software framework that helps facilitate the integration of large language models (LLMs) into applications. As a language model integration framework, LangChain's use-cases largely overlap with those of language models in general, including document analysis and summarization , chatbots , and code analysis .
Gold's price surpassed $2,700 per ounce in October 2024, drawing renewed interest worldwide. While many people are looking at gold right now, some are also considering oil as an alternative ...
The iShares Gold Trust (NYSEARCA:IAU) is another gold ETF you can't go wrong with. Shares go for around $50 per share and boast a very attractive 0.25% expense ratio (it's a sponsor fee).
White gold is an alloy of gold and at least one white metal (usually nickel, silver, platinum or palladium). [5] Like yellow gold, the purity of white gold is given in karats. White gold's properties vary depending on the metals used and their proportions. A common white gold formulation consists of 90% wt. gold and 10% wt. nickel. [4]
Due to wartime emergencies and government controls, the London gold fixing was suspended between 1939 and 1954, when the London gold market was closed. On 21 January 1980 the gold fixing reached the price of $850, a figure not surpassed until 3 January 2008 when a new record of $865.35 per troy ounce was set in the a.m. fixing.
Carlin-type gold ore from the Twin Creeks mine, Nevada, near the Getchell Mine. This is an auriferous, silicified-decalcified siltstone/mudstone from the Comus Formation (Lower Ordovician). Ore grade is about 0.20 to 0.25 ounces of gold per ton of rock. The gold mineralization is very finely disseminated: "invisible gold".
The proportions of silver and gold can vary widely. Doré bars weigh as much as 25 kg. During the 19th century gold rushes, gold nuggets and dust were melted into crude gold bars mistakenly called "bullion" by miners. They were, more accurately, doré bars with higher contents of silver and other adulterants than the mints would accept.
An Academy Award is priceless to those who win. But when you get down to brass tacks, a shiny Oscar statue costs roughly $400 to make, CBS News reports. Since 2016, the gold-covered trophies have ...