نتایج جستجو برای: 1 b1

تعداد نتایج: 2764926  

2009
ILYA KAPOVICH RICHARD WEIDMANN

Let G be a group given by the presentation 〈a1, . . . , ak , b1, . . . bk | ai = ui(b̄), bi = vi(ā) for 1 ≤ i ≤ k〉, where k ≥ 2 and where the ui ∈ F (b1, . . . , bk) and wi ∈ F (a1, . . . , ak) are random words. Generically such a group is a small cancellation group and it is clear that (a1, . . . , ak) and (b1, . . . , bk) are generating n-tuples for G. We prove for generic choices of u1, . . ....

Journal: :Filomat 2023

In this paper the intersection problem for a pair of kite-GDDs type 4u is investigated. The determination all pairs (T, s) such that there exists (X,H,B1) and (X,H,B2) same T |B1?B2| = s. Let J(u) {s : ? intersecting in s blocks}; I(u) {0, 1,..., bu 2, bu}, where 2u(u 1) number blocks kite-GDD 4u. We show any positive integer u 3, I(u).

Journal: :Natural toxins 1995
L A Gumprecht A Marcucci R M Weigel R F Vesonder R T Riley J L Showker V R Beasley W M Haschek

Fumonisin B1 is hepatotoxic in all species, but nephrotoxicity has only been reported in rats. It is a specific inhibitor of sphinganine N-acyltransferase. Our objective was to determine the target organs for fumonisin toxicosis in the rabbit. We administered fumonisin B1 ( > 95% pure) intravenously to adult rabbits and examined selected clinical, biochemical, and histological parameters for up...

Journal: :The Journal of biological chemistry 1980
A P Sherblom R L Buck K L Carraway

Both MAT-B1 (nontransplantable) and MAT-Cl (xenotransplantable) ascites sublines of the 13762 rat mammary adenocarcinoma contain a major sialoglycoprotein (ASGP-1) with low electrophoretic mobility in dodecyl sulfate. ASGP-1 from each subline is rapidly purified by density gradient centrifugation of membrane fragments in cesium chloride containing 4 M guanidine hydrochloride. The products give ...

2009
Z. Katerova E. Prinsen

The response of pea (Pisum sativum L., cv. Scinado) plants to low UV-B and UV-C radiation levels was studied in the 2nd leaves in relation to IAA, ABA and ACC contents. Following regimes of UV-B and UV-C radiation were used for 7, 10 or 14 consecutive days: B1 (4.4 kJ m-2 d-1), B2 (13.3 kJ m-2 d-1) and C1 (0.1 kJ m-2 d-1) and C2 (0.3 kJ m-2 d-1). As compared to control, IAA decreased after 10 d...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید باهنر کرمان - دانشکده دامپزشکی 1392

سویه های بیماریزای اشریشیاکلی باعث بیماری های خارج گوارشی در طیور می شوند که میتوانند خسارت های اقتصادی زیادی به صنعت طیور وارد کنند. در این مطالعه نمونه ها از 100 جوجه گوشتی مبتلا به کلی باسیلوز اخذ شده اند. نمونه ها توسط روشهای بیوشیمیایی و باکتریولوژی از لحاظ آلودگی به باکتری اشریشیاکلی مورد تائید قرار گرفتند. جدایه ها برای ژنهای blatem و blashv و زمینه فیلوژنتیکی توسط روش مولتی پلکس مورد بر...

Journal: :The European respiratory journal 2000
M Gupta J M Hernández-Juviel A J Waring R Bruni F J Walther

Leakage of plasma proteins into the alveoli inhibits pulmonary surfactant function and worsens respiratory failure. Surfactant protein B (SP-B), is essential for surfactant function, but the N-terminal domain of human SP-B (residues 1.25, SP-B1-25) can mimic the biophysical properties of full length SP-B1-78 in vitro. The authors compared the function and inhibition resistance of synthetic surf...

Journal: :Cancer research 1979
H Autrup J M Essigmann R G Croy B F Trump G N Wogan C C Harris

Aflatoxin B1 and benzo(a)pyrene were activated by both cultured human bronchus and human colon as measured by binding to cellular DNA and protein. The binding of aflatoxin B1 to DNA was dose dependent, and the level of binding was higher in cultured human bronchus than it was in the colon. When compared to aflatoxin B1, the binding level of benzo(a)pyrene to both bronchial and colonic DNA was g...

2012
Giovanni Ferrari Vitaly Terushkin Martin J. Wolff Xiaodong Zhang Cristina Valacca Paolo Poggio Paolo Mignatti

TGF-b1 and VEGF, both angiogenesis inducers, have opposing effects on vascular endothelial cells. TGF-b1 induces apoptosis; VEGF induces survival. We have previously shown that TGF-b1 induces endothelial cell expression of VEGF, which mediates TGF-b1 induction of apoptosis through activation of p38mitogen-activated protein kinase (MAPK). Because VEGF activates p38 but protects the cells from ap...

Journal: :Mathematics 2023

Several chaotic properties of cyclic permutation maps are considered. Cyclic refer to p-dimensional dynamical systems the form φ(b1,b2,⋯,bp)=(up(bp),u1(b1),⋯,up−1(bp−1)), where bj∈Hj (j∈{1,2,⋯,p}), p≥2 is an integer, and Hj (j∈{1,2,⋯,p}) compact subintervals real line R=(−∞,+∞). uj:Hj→Hj+1(j=1,2,…,p−1) up:Hp→H1 continuous maps. Necessary sufficient conditions for a class have Li–Yorke chaos, di...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید