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4 天前 · 温度变化 (\(\Delta T\)) 定义: 温度变化 (\(\Delta T\)) 表示系统、物质或物体温度的变化，即最终温度与初始温度之间的差值。 它是热力学、供暖和制冷系统以及各种科学和工程应用中的一个基本概念。 历史背景 温度变化的概念是热力学和热传递研究中不可或缺的一部分，可以追溯到 18 世纪，当时温度 ...
2024年5月17日 · Delta iPhone模擬器：任天堂一體式經典遊戲模擬器. Delta 算是一款相當知名的iOS模擬器，能夠在iPhone直接模擬並遊玩多種經典遊戲機的遊戲，包括 Game Boy、Game Boy Advance（GBA）、GBA、NES、DC、Nintendo 64、Nintendo DS 等遊戲主機。. 以往iOS Delta模擬器無法通過App ...
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What is a delta function?
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14 小時前 · t. e. In mathematical analysis, the Dirac delta function (or δ distribution ), also known as the unit impulse, [1] is a generalized function on the real numbers, whose value is zero everywhere except at zero, and whose integral over the entire real line is equal to one. [2] [3] [4] Since there is no function having this property, modelling the ...
2024年5月23日 · Fourier transform on finite groups. Fourier analysis. Related transforms. In mathematics, the discrete-time Fourier transform ( DTFT) is a form of Fourier analysis that is applicable to a sequence of discrete values. The DTFT is often used to analyze samples of a continuous function.
2024年5月3日 · Define. Δ(t): = ∞ ∑ s = 1d(s)√t sM1(4π√ts) where M1(z) = − Y1(z) − 2 πK1(z) and d(s) is the divisor function. What is the inverse Mellin transform of Δ? Δ(t) is conjectured to grow on the order of magnitude of O(t1 / 4 + ϵ) as t → ∞. I expanded and distributed the sum to obtain. Δ(t) = − ∞ ∑ s = 1d(s)√t sY1(4π√ts) − 2 π ∞ ∑ s = 1d(s)√t sK1(4π√ts)
4 天前 · Gammadelta T cells (γδ T cells) are T cells that express a unique T-cell receptor (TCR) composed of one γ-chain and one δ-chain. Gammadelta T cells are of low abundance in the body, are...
1 天前 · As part of the trial, researchers injected the mice with gd T cells that hadn’t been engineered at all, an anti-tumour antibody, OPS-gd T cells alongside a bone sensitising drug, and CAR T-cells. They found that the OPS- gd T cells were most effective when partnered with the bone sensitising drug – which has previously been used on its own to strengthen weak bones in patients with cancer.
