نتایج جستجو برای: t1
تعداد نتایج: 33331 فیلتر نتایج به سال:
the effect of ascorbic acid (aa) and butylated hydroxyanisole (bha) supplementation on aflatoxicosis in broiler chickens (1 to 42 days of age) was investigated (250, 500, 1000 and 2000 ppm for aa and bha) in diet containing 1 ppm total aflatoxin (af: 76.45% afb1, 10.52% afb2, 9.89% afg1 and 3.14% afg2). a total of 300 day-old broiler chicks were divided into ten treatment groups (t1=control; t2...
The recent driven equilibrium single-pulse observation of T1 (DESPOT1) approach permits real-time clinical acquisition of large-volume and high-isotropic-resolution T1 mapping of MR tissue parameters with improved uniformity. It is assumed that the quantitative nature of maps will facilitate clinical applications such as disease diagnosis and comparison across subjects. However, there is not ye...
Background Slice interleaved T1 (STONE) mapping sequence was recently proposed to take advantage of increased recovery time of spins to improve accuracy and precision of native myocardial T1 values. In this sequence, a nonselective inversion pulse is followed by acquisition of the data for different slices. Therefore, blood pool may experience different recovery time at different slice location...
Recall, from Theorem 8.1-2 on page 490 in [4], that a random process X(t) with autocorrelation function RXX(t1, t2) has a m.s. derivative at time t if ∂RXX(t1, t2)/∂t1∂t2 exists at t1 = t2 = t. Furthermore, we recall that the correlation function RXX(t1, t2) is related to the covariance function KXX(t1, t2) as follows. RXX(t1, t2) = KXX(t1, t2) + μX(t1)μX(t2) (1) For this problem we have a cons...
به منظور بررسی اثر ساپونین بر عملکرد نشخوارکنندگان سه آزمایش طراحی شد. در آزمایش اول اثر ساپونین بر فراسنجه های تولید گاز مورد بررسی قرار گرفت. نرخ تولید گاز در شیشه های گروه شاهد نسبت به شیشه های حاوی سطوح پایین ساپونین (72 میکرولیتر از محلول ساپونین) و حاوی سطوح بالای ساپونین (108 میکرولیتر از محلول ساپونین) بیشتر بود و مقدار b برای گروه های بدون ساپونین، حاوی سطح پایین ساپونین و حاوی سطح بال...
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