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| 1 | Enhanced wetting and properties of carbon/carbon-Cu composites with Cr_3C_2 coatings by Cr-solution immersion method显示文摘A facile ammonium-dichromate solution immersion method was introduced to synthesize the copperwettable Cr_3C_2 coating on and inside the carbon-carbon(C/C) preform. The formation mechanism and the microstructures of the Cr_3C_2 coatings were studied. The contact angle between molten copper and the C/C decreased from 140? to 60?, demonstrating the significant improvement in the wettability. The Cr_3C_2-coated C/C-Cu composite with only 4.2% porosity and 3.69 g cm^(-3) density was manufactured through copper infiltration. As a result, the thermal and electrical conductivity of the modified C/C-Cu increased significantly due to the infiltrated copper. Also the mechanical properties of the composites including both the flexural and compressive strengths were enhanced by over 100%. The modified C/C-Cu composite exhibited lower friction coefficients and wear rates for different load levels than those of the commercial C/Cu composite. These results demonstrate the potential of the modified C/C-Cu material for use in electrical contacts. | Bo Kong Jinming Ru Hongdi Zhang Tongxiang Fan | 2018 | Journal of Materials Science & Technology2018，34，3： | 4 |
| 2 | Crystallization and Corrosion Resistance of (Fe_(0.78)Si_(0.09)B_(0.13))100_(-x)Ni_x (x=0,2 and 5) Glassy Alloys显示文摘The crystallization of the (Fe0.78Si_(0.09)B0.13)100-xNix glassy alloys (x=0, 2 and 5) has been investigated by X-ray diffraction (XRD) and differential scanning calorimeter (DSC). Corrosion resistance analyses have been carried out using electrochemical measurements and corrosion products have been analyzed by scanning electron microscopy (SEM). The experimental results show that the addition of Ni can promote the nucleation of α-Fe, retard the decomposition of the metastable borides, and alter the crystallization mode of the present Fe-based glassy alloys. The lattice constant (a0Fe) of α-Fe in the annealed samples shows a decreasing trend with increasing annealing time. The Ni addition can improve the corrosion resistance of the as-quenched Fe-based glassy alloys in H2SO4, NaCl and NaOH solutions. The results indicate that Ni can promote the diffusion of Si atoms during quenching and annealing processes. | Haitian Ma Weimin Wang die Zhang Guihua Li Chongde Cao Hongdi Zhang | 2011 | Journal of Materials Science & Technology2011，27，12： | 4 |
| 3 | 住户部门资产负债测度核算研究显示文摘国民经济核算包括流量核算和存量核算两部分,我国存量核算长期相对薄弱,权威部门至今尚未编制公布国家资产负债表,而对住户部门资产负债存量核算研究不够是关键掣肘,亟待在理论和方法上廓清一些基本思路和原则。 | 杜金富 宋晓玲 朱尔茜 Zhang Hongdi | 2019 | 中国金融2019，，20： | 2 |
| 4 | Effect of Compression on the Crystallization Behavior and Corrosion Resistance of Al_(86)Ni_9La_5 Amorphous Alloy显示文摘The effect of compression on the crystallization behavior and corrosion resistance of Al(86)Ni9La5 amorphous ribbons was investigated by X-ray diffraction (XRD), transmission electron microscopy (TEM), scanning elec-tron microscopy (SEM) and electrochemistry test. The XRD and TEM results reveal that the compressed Al(86)Ni9La5 ribbons spun with the circumferential speed (R) of 29.3 m/s are in fully amorphous state; however, the compressed ribbons spun with R=14.7 m/s have crystalline phases embedded in the amorphous matrix. The SEM images indicate that after compression, the toughness of the ribbons increases. Electrochemical results show that the compression decreases the stability of the passive film of the Al(86)Ni9La5 amorphous ribbons, because of the compression-introduced free volume, shear bands and crystalline phases; meanwhile, with R=14.7 m/s, the compression-induced crystalline phases in the Al(86)Ni9La5 ribbons increase the corrosion potential. | Yan Liu Weimin Wang Hongdi Zhang Haitian Ma Bang An | 2012 | Journal of Materials Science & Technology2012，28，12： | 1 |
| 5 | A Virtual Simulation System for Ship Marine Auxiliary Boiler with Force and Haptic Feedback显示文摘 | Shiwen Wang Ning Zhang Zhonghao Jiang Zhipeng Shen Hongdi Qiu | 2014 | 通讯和计算机(中英文版)2014，11，2： | 1 |
| 6 | Cloning of the Aspergillus awamori glucoamylase gene and expression in Saccharomyces cerevisiae显示文摘The A. awamori glucoamylase I gene was obtained by RT_PCR and inserted into the plasmid pAC1. We constructed an expression vector pAC1_GA, which was used to transform the yeast S. cerevisiae AS 2 1364 without auxotrophic marker. The transformant secreted glucoamylase into the medium efficiently and degraded starch. The glucoamylase activity of the culture filtrate is up to 8 4 U/mL. | Yongji Wang Hongdi Liu Tong Sun Shuzheng Zhang | 1998 | Chinese Science Bulletin1998，43，10： | 0 |
| 7 | A lncRNA from an inflammatory bowel disease risk locus maintains intestinal host-commensal homeostasis显示文摘Inflammatory bowel diseases(IBD)are known to have complex,genetically influenced etiologies,involving dysfunctional interactions between the intestinal immune system and the microbiome.Here,we characterized how the RNA transcript from an IBD-associated long non-coding RNA locus(“CARINH-Colitis Associated IRF1 antisense Regulator of Intestinal Homeostasis”)protects against IBD.We show that CARINH and its neighboring gene coding for the transcription factor IRF1 together form a feedforward loop in host myeloid cells.The loop activation is sustained by microbial factors,and functions to maintain the intestinal host-commensal homeostasis via the induction of the anti-inflammatory factor IL-18BP and anti-microbial factors called guanylate-binding proteins(GBPs).Extending these mechanistic insights back to humans,we demonstrate that the function of the CARINH/IRF1 loop is conserved between mice and humans.Genetically,the T allele of rs2188962,the most probable causal variant of IBD within the CARINH locus from the human genetics study,impairs the inducible expression of the CARINH/IRF1 loop and thus increases genetic predisposition to IBD.Our study thus illustrates how an IBD-associated lncRNA maintains intestinal homeostasis and protects the host against colitis. | Hongdi Ma Taidou Hu Wanyin Tao Jiyu Tong Zili Han Dietmar Herndler-Brandstetter Zheng Wei Ruize Liu Tingyue Zhou Qiuyuan Liu Xuemei Xu Kaiguang Zhang Rongbin Zhou Judy H.Cho Hua-Bing Li Hailiang Huang Richard A.Flavell Shu Zhu | 2023 | Cell Research2023，33，5： | 0 |
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