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R.X. Zhao,C.H. Cai,P. Wang,L. Zheng,J.S. Wang,K.X. Li,W. Liu,X.Y. Guo,X. A. Zhan,K.Y. Wang 아세아·태평양축산학회 2019 Animal Bioscience Vol.32 No.6
Objective: The study was conducted to evaluate the effects of night light regimen on growth performance, antioxidant status and health of Lingnan Yellow broiler chickens from 1 to 21 days of age. Methods: A completely randomized factorial design involved 2 photoperiods (constant lighting [CL], 24 L:0 D and intermittent lighting [INL], 17 L:3 D:1 L:3 D)×2 light intensities (10 lx and 30 lx). A total of one thousand six hundred and eighty 1-d-old Lingnan Yellow broiler chicks were randomly divided into 4 treatments with 6 replicates (70 birds per replicate). The experiment lasted for 21 d. Results: Photoperiods and light intensities had no effect on average daily gain, feed conversion ratio, and mortality of the broiler chickens (p>0.05). The INL had a significant effect on average daily feed intake (p<0.05) of broiler chickens compared with CL. Photoperiod and light intensity had an interactive effect on melatonin (MT) concentration (p<0.05). At CL, reducing light intensity increased MT concentration; INL birds had higher MT but MT concentration was not affected by light intensity. There was an interactive effect on glutathione peroxidase (GPx) and catalase (CAT) in serum and total antioxidant capability (T-AOC) in liver between photoperiod and light intensity. With the decrease of light intensity, the activities of GPx and CAT in serum and T-AOC in liver increased in CL group (p<0.05). Broiler chickens reared under INL had better antioxidant status and 10 lx treatments had higher activities of CAT in serum than 30 lx (p<0.05). Different photoperiods and light intensities had no effect on malondialdehyde. There was an interaction between photoperiod and light intensity on serum creatine kinase (CK) concentration (p<0.05). At CL, the elevated light intensity resulted in an increase in CK content; INL birds had lower CK concentration especially in low light intensity group. Besides, INL and low light intensity significantly reduced the concentration of serum corticosterone and heat shock protein 70 (p<0.05). Serum immunoglobulin M contents were increased in broiler chickens reared under the INL compared with CL group (p<0.05). Conclusion: Results above suggest that the night light regimen of INL and 10 lx could be beneficial to the broiler chickens from 1 to 21 days of age due to the better health status and electricity savings.
( Wang,L. X. ),( I. L. Choi ),( J. H. Lee ),( H. M. Kang ) 강원대학교 농업생명과학연구원(구 농업과학연구소) 2019 강원 농업생명환경연구 Vol.31 No.2
Oxygen transmission rate (OTR) films of 1,300 and 10,000 cc/m<sup>2</sup>/day/atm, perforated (P), micro-perforated (MP), and vacuum (V) films were investigated for suitability in maintaining the quality and prolonging shelf life of asparagus during cold storage. An additional investigation using 60% (v/v) carbon dioxide treatment (V + 60% CO<sub>2</sub>) was also performed. All samples lost fresh weight over time, P and V + 60% CO<sub>2</sub> had the highest and lowest fresh weight loss rate by the last day. Only 1,300 cc and 10,000 cc OTR films kept the asparagus at a marketable value, the least off-odor was detected in P, and the worst was in V + 60% CO<sub>2</sub> in final day. The V + 60% CO<sub>2</sub> resulted in lower firmness in asparagus tips, and the V resulted in the lowest firmness in stems. Although, little color changes happened in all treatments, the V + 60% CO<sub>2</sub> treatment had greater soluble solids content and hue angle. The highest ethylene concentration was detected in the V film. The CO<sub>2</sub> and O<sub>2</sub> levels of the 1,300 cc and 10,000 cc OTR treatments were more suitable for asparagus storage. In general, based on the visual quality, 1,300 cc and 10,000 cc OTR films were more effective for asparagus cold storage. To some extent, high CO<sub>2</sub> treatment exhibited a positive effect on maintaining internal quality, fresh weight and color of asparagus.
Measurement ofe+e−→π+π−ψ(2S)via initial state radiation at Belle
Wang, X. L.,Yuan, C. Z.,Shen, C. P.,Wang, P.,Abdesselam, A.,Adachi, I.,Aihara, H.,Al Said, S.,Arinstein, K.,Asner, D. M.,Ayad, R.,Bakich, A. M.,Bansal, V.,Bhuyan, B.,Bobrov, A.,Bonvicini, G.,Brax10d American Physical Society 2015 PHYSICAL REVIEW D - Vol.91 No.11
Molecular Engineering of Zinc Phthalocyanines with Phosphinic Acid Anchoring Groups
Ló,pezx2010,Duarte, Ismael,Wang, Mingkui,Humphryx2010,Baker, Robin,Ince, Mine,Martí,nezx2010,Dí,az, M. Victoria,Nazeeruddin, Mohammad K.,Torres, Tomá,s,Grä,tzel, Mich WILEY‐VCH Verlag 2012 Angewandte Chemie Vol.124 No.8
<P><B>Zwei Zinkphthalocyanin‐Photosensibilisatoren</B> mit verschiedenen Phosphinsäure‐Ankergruppen (siehe Schema) wurden synthetisiert. Solarzellen mit diesen Verbindungen verfügen über eine Photostromdichte von (7.6±0.2) mA cm<SUP>−2</SUP> bei geschlossenem Stromkreis, eine Spannung von (559±30) mV bei offenem Stromkreis und einen Füllfaktor von 0.76±0.03; dies entspricht einem Gesamtwirkungsgrad von 3.24 % unter 1 sun.</P>
X. J. Chen,J. C. Xu,H. X. Jin,D. F. Jin,B. Hong,H. L. Ge,X. Q. Wang 성균관대학교(자연과학캠퍼스) 성균나노과학기술원 2017 NANO Vol.12 No.5
In this paper, ordered mesoporous SBA-15 silica was synthesized by the hydrothermal method, and then a series of CoFe2O4/SBA-15 nanocomposites were synthesized by a facile impregnation method. X-ray diffraction and N2 adsorption–desorption isotherms were used to characterize the microstructure and morphology of SBA-15 and CoFe2O4/SBA-15 nanocomposites. CoFe2O4 nanoparticles presented spinel phase structure and existed in the mesopores of SBA-15. The magnetic response of CoFe2O4/SBA-15 nanocomposites was characterized with vibrating sample magnetometer (VSM). The adsorption efficiency of CoFe2O4/SBA-15 nanocomposites for methylene blue increased firstly with the increasing CoFe2O4 content, and then decreased. Sample-2 (SBA-15: CoFe2O4 = 1: 0.1 in the precursor) not only presented the best adsorptive performance, but also could be separated and retrieved effectively by magnetic separation technique.
L. B. Zhao,N. Lin,X. Q. Han,C. Ma,Z. Y. Wang,Y. H. He 대한금속·재료학회 2021 METALS AND MATERIALS International Vol.27 No.8
The efects of tungsten carbide addition on the microstructure, mechanical properties and corrosion resistance of Ti(C,N)-based cermets prepared by the sinter-HIP method are investigated through scanning electron microscope, X-ray difraction,electron back scattered difraction, mechanical test and electrochemical method. The results show that the appropriate WCaddition has an important infuence on promoting the formation of core-rim microstructure of cermet, increasing the wettability of ceramic phase and binder phase, and improving the mechanical properties. Ti(C,N)-based cermet with 5 wt% WCaddition has the highest hardness of 92.4 HRA and excellent wear resistance. However, excessive WC addition causes theappearance of slight white core phase containing plenty of W and Ti element in microstructure, which increases the fracturetoughness, and reduces the hardness and wear resistance of cermet. Additionally, the electrochemical result shows that theaddition of 5 wt% WC in cermet has the optimal corrosion resistance in 1 mol/L hydrochloric acid solution.
Wang J.J.,Deng Q.J.,He Y.Y.,Feng Y.N.,Kang M.P.,Duan X.L.,Yang Y.L. 한국물리학회 2022 Current Applied Physics Vol.39 No.-
CCTO (Calcium copper titanate) powder as inorganic filler was synthesized by the Sol-gel method firstly. CCTO/ PVDF (Polyvinylidene fluoride) composite was fabricated by solution mixing based on high temperature resistance of PVDF and insulated property of CCTO. The composite of CCTO/PVDF were characterized by X-ray diffraction, Fourier Transform infrared spectroscopy, Scanning Electron Microscope and impedance analysis. The results showed that the addition of CCTO and increasing in its content did not affect the phase- and microstructure of the composites,but the increase of CCTO content can induce the generation of C–F new bonds. PVDF/CCTO composites were enhanced in performance of thermal and frequency-depended stability with increasing in the fraction of CCTO. The dielectric constant of CCTO/PVDF composite materials with 50% CCTO achieved to a maximum value of 50 almost, which is 5 times higher the pure PVDF. The conductivity felled into 10-8 to 10-1 S m-1 during the frequency of 102–108 Hz. The composite material would be expected to be applied in the field of integrated circuit.
Li, Qian,Wang, Shuyu,Lee, Dongx2010,Kyou,Tang, Jianping,Niu, Xiaorui,Hui, Pinhong,Gutowski Jr., William J.,Dairaku, Koji,McGregor, John L.,Katzfey, Jack,Gao, Xuejie,Wu, Jia,Hong, Songx2010,You,Wan Wiley 2016 International journal of climatology Vol.36 No.13
<P><B>ABSTRACT</B></P><P>Under the framework of an project ‘Building Asian Climate Change Scenarios by Multi‐Regional Climate Models Ensemble’, the ability of eight regional climate models and two fine‐resolution global climate models to reproduce late 20th century (1981–2000) precipitation climatology is assessed. Future precipitation change (2041–2060) under the A1B scenario is also quantified by applying four different ensemble methods: equal weighting, weighted mean (WM), reliability ensemble averaging (REA) and performance‐based ensemble averaging, after applying fourfold cross‐validation using observation and multi‐model‐simulated precipitation. The results indicate that the ensemble of simulated precipitation outperforms any single RCM in many aspects. Among the four ensemble approaches, the WM and REA methods show better skill in improving the simulation results, and are used for ensemble prediction of regional climate in Asia. Under the A1B scenario, the WM method estimates future precipitation change of approximately 0.2 mm day<SUP>−1</SUP> with less precipitation in northern and western China and northern India, and more precipitation in most other areas in Asia. The future annual precipitation will decrease by 0.1‐0.5 mm day<SUP>−1</SUP> in northern India, Pakistan and the central area of southern China. No significant change is found over eastern Kazakhstan, Mongolia, north‐central and western China.</P>