| 单词 | QCD |
| 例句 | There is now a sizable difference between lattice QCD predictions and the data-driven ones derived from empirical experiments. Muon Mystery Deepens with Latest Measurements 2023-08-10T04:00:00Z Whereas electromagnetism has only two charges—positive or negative—QCD has three—red, green or blue. Tiny Bubbles of Primordial Soup Recreate Early Universe 2023-02-22T05:00:00Z QCD theory calls for eight gluons, all massless and all spin 1. College Physics for AP Courses 2015-08-12T00:00:00Z The federally-taxable income generated by taking QCD money out of your IRA is offset by subtracting the QCD from your reported retirement income. Perspective | The little-known way seniors can deduct gifts to charities 2021-10-28T04:00:00Z Why aren’t plan administrators required to put QCD numbers on your retirement income statements? Perspective | A tax break for retirees is back. Here’s how to use it — and what to avoid. 2021-03-18T04:00:00Z Sure, the paperwork and some of the other QCD rules are annoying. Perspective | What do Apple and some well-off senior citizens have in common? Financial quirks are helping them get richer. 2021-02-23T05:00:00Z In QCD, though, the force carrier, the gluon, also carries a color charge and can interact through the strong force with itself and with quarks. Tiny Bubbles of Primordial Soup Recreate Early Universe 2023-02-22T05:00:00Z Taken together, QCD and the electroweak theory are widely accepted as the Standard Model of particle physics. College Physics for AP Courses 2015-08-12T00:00:00Z The QCD benefit gets much more valuable once you hit 72. Perspective | The little-known way seniors can deduct gifts to charities 2021-10-28T04:00:00Z Others2 are derived from first principles and exploit symmetries manifested in QCD. High-energy-electron scattering probes the strong nuclear interaction at close range 2020-02-25T05:00:00Z This immediately explained the success of the parton model, but it also suggested that if quarks get further apart, the QCD interactions between them get stronger, potentially explaining confinement. Remembering Murray Gell-Mann 2019-06-06T04:00:00Z Thus, experimental data from heavy-ion collisions can be used to better understand the mechanisms within QCD that lead to confinement. Tiny Bubbles of Primordial Soup Recreate Early Universe 2023-02-22T05:00:00Z So successful have QCD and the electroweak theory been that, taken together, they are called the Standard Model. College Physics for AP Courses 2015-08-12T00:00:00Z That’s why the QCD tax break is more valuable this year to people 72 and older than it was last year. Perspective | The little-known way seniors can deduct gifts to charities 2021-10-28T04:00:00Z The IRS does require that the QCD be paid directly to the charity and is allowed to be counted toward any minimum distribution requirement for the year. Perspective | Save money on your 2019 taxes by starting now 2019-04-18T04:00:00Z This theory became known as quantum chromodynamics, or QCD. Remembering Murray Gell-Mann 2019-06-06T04:00:00Z The aforementioned lattice QCD calculation does not change this fundamental picture. Axions: Detecting particles of dark matter : Nature : Nature Research 2017-01-24T05:00:00Z A QCD is like getting a deduction without itemizing, while still getting a standard deduction that might be bigger than one could get by itemizing. How to Give to Charity and Pay Less in Taxes 2016-09-26T04:00:00Z To make a QCD, you need a check drawn on your IRA made out to the charity. Perspective | The little-known way seniors can deduct gifts to charities 2021-10-28T04:00:00Z If a retirement distribution is not required, it would be wise to compare the QCD to donating appreciated long-term assets to a charity from a non-retirement account. Perspective | Save money on your 2019 taxes by starting now 2019-04-18T04:00:00Z Yet Murray chose not to work on them—for example telling me after hearing a talk I gave on QCD that I should work on more worthwhile topics. Remembering Murray Gell-Mann 2019-06-06T04:00:00Z All we can observe are other successful predictions of QCD. Science's Path From Myth to Multiverse 2015-05-14T04:00:00Z If you've already taken a required minimum distribution withdrawal for the year, you cannot undo it and use a QCD instead. How to Give to Charity and Pay Less in Taxes 2016-09-26T04:00:00Z But by doing things that way, I know that the QCD checks got sent to the right place and I have proof that I made those contributions. Perspective | The little-known way seniors can deduct gifts to charities 2021-10-28T04:00:00Z This was the time when QCD, quark models and lots of other things that Murray had basically created were at their hottest. Remembering Murray Gell-Mann 2019-06-06T04:00:00Z Much was figured out about how QCD works. Remembering Murray Gell-Mann 2019-06-06T04:00:00Z We can’t actually detect quarks, but it doesn’t matter; we know QCD is correct, because it makes predictions that we can verify. Science's Path From Myth to Multiverse 2015-05-14T04:00:00Z And a consistent theory of weak interactions emerged that, together with QED and QCD, defined what by the early 1980s had become the modern Standard Model of particle physics that exists today. Remembering Murray Gell-Mann 2019-06-06T04:00:00Z |
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