نتایج جستجو برای: 163 zn

تعداد نتایج: 49605  

Journal: :Journal of animal science 2009
Y L Huang L Lu S F Li X G Luo B Liu

An experiment was conducted to estimate relative bioavailability of Zn in 3 organic zinc sources with different chelation strength (Q(f)) compared with ZnSO(4). A total of 1,092, 1-d-old male broiler chicks were assigned randomly to 6 replicate cages (14 chicks per cage) for each of 13 treatments. Dietary treatments included the basal corn-soybean meal diet (27.82 mg of Zn/kg of DM) supplemente...

2002
Zlatimira Stoyanova Snejana Doncheva

The influence of succinate treatment on Zn toxicity was investigated using plant growth and mineral uptake as stress indicators. Pea plants (Pisum sativum L., cv. Citrine) were treated with various Zn concentrations (0.67 to 700 μM Zn) in the presence and absence of 0.2 mM Na-succinate. Plants pre-treated with succinate and then exposed to Zn exhibited higher dry root, stem and leaf weight than...

Journal: :Dalton transactions 2016
Richard O' Donoghue Daniel Peeters Detlef Rogalla Hans-Werner Becker Julian Rechmann Sebastian Henke Manuela Winter Anjana Devi

Molecular engineering of seven closely related zinc ketoiminates, namely, [Zn(dapki)2], [Zn(daeki)2], [Zn(epki)2], [Zn(eeki)2], [Zn(mpki)2], [Zn(meki)2], and [Zn(npki)2], leads to the optimisation of precursor thermal properties in terms of volatilisation rate, onset of volatilisation, reactivity and thermal stability. The influence of functional groups at the imine side chain of the ligands on...

2016
D. Nagalakshmi K. Sadasiva Rao K. Sridhar

An experiment of 10 weeks duration was conducted on 48 weaned female rats (285.2 ± 1.95 g) of strain Sprague Dawley to study the effect of replacing dietary Zn (12 ppm) supplementation from inorganic (ZnCO3) to organic (Zn nicotinate; Zn-nic) source at lower (6 or 9 ppm) or equal (12 ppm) levels on Zn retention and ovarian follicular population. Higher Zn concentration (on day 42) in serum (P<0...

2007
Seth G. John Genevieve Park Zhitong Zhang Edward A. Boyle

Anthropogenic sources account for much of the zinc (Zn) in the environment. Constraining the isotopic composition of anthropogenic Zn is therefore essential to understanding the environmental biogeochemical cycling of Zn isotopes. This study examines the isotopic variability in several different categories of anthropogenic Zn. Pure Znmetal and Zn dust are the rawmaterials used in many Zn-contai...

Journal: :Chemical communications 2015
Koji Oohora Tsuyoshi Mashima Kei Ohkubo Shunichi Fukuzumi Takashi Hayashi

Photosensitizers, Zn protoporphyrin IX and Zn chlorin e6, are completely inserted into each heme pocket of a hexameric apohemoprotein. The fluorescence quenching efficiencies upon addition of methyl viologen are 2.3 and 2.6 fold-higher than those of the partially photosensitizer-inserted proteins, respectively, indicating that the energy migration occurs within the proteins.

Journal: :Journal of animal science 1993
D W Kennedy W M Craig L L Southern

Six Holstein steers (initial BW 335 kg) were used in a replicated 3 x 3 Latin square design to study the distribution of Zn in ruminal contents from a conventional Zn source (ZnO) or Zn sequestered to a polysaccharide (PC-Zn). Treatments consisted of a basal diet (no Zn supplementation) and the basal diet supplemented with Zn from either PC-Zn or ZnO. Steers were provided with 208, 920, or 896 ...

2017
Yanbo Che Wenxun Li Xialin Li Jinhuan Zhou Shengnan Li Xinze Xi

Yanbo Che 1,*, Wenxun Li 1, Xialin Li 1, Jinhuan Zhou 1, Shengnan Li 2 and Xinze Xi 2 1 Key Laboratory of Smart Grid of Ministry of Education, Tianjin University, Tianjin 300072, China; [email protected] (W.L.); [email protected] (X.L.); [email protected] (J.Z.) 2 Electric Power Research Institute of Yunnan Power Grid Co. Ltd., Kunming 650217, China; [email protected] (S.L.); [email protected] (...

2013
Yang Li Jianjiang Lu Jiabao Wang Lei Bao Wei Li

1 Yang Li, 2 Jianjiang Lu, 3 Jiabao Wang, Lei Bao, Wei Li 1, Institute of Command Automation, PLA University of Science and Technology, Nanjing 210007, China, E-mail: [email protected] *2, Institute of Command Automation, PLA University of Science and Technology, Nanjing 210007, China, E-mail: [email protected] 3,4,5, Institute of Command Automation, PLA University of Science and Technology, Na...

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