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Effect of Electric Potentials on Microstructure, Corrosion and Wear Characteristic of the Nitrided Layer Prepared on 2Cr13 Stainless Steel by Plasma Nitriding

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Acta Metallurgica Sinica(English Letters) 2019年第6期32卷 733-745页

作者： Yang Li Shang-Zhou Zhang Jian-Xun Qiu Yong-Yong He Jun-Jie xiu Qian-Wen Ye Zhong-Li Liu School of nuclear equipment and nuclear engineering Yantai University.Yantai 264005China State Key Laboratory of Tribology Tsinghua UniversityBeijing 100084China

Plasma nitriding is a widely used technology to enhance the surface performance and extend the service life of alloy *** current research mainly focuses on the influences of time,temperature,gas type and pressure parameters on nitriding behavior,while fewer studies have been conducted on the electric *** paper mainly reports the effect of the electric potential on nitriding *** conditions were set using cathodic,anodic and floating potentials in a plasma nitriding furnace.2Cr13 stainless steel was nitrided at 450°C for 5h in an NH3 *** experimental results show that the nitriding treatment can be well performed under the different electric potentials,but differences exist in microstructures,morphologies and performance results of the modified *** thickness and hardness values of the nitrided layer are ranked as follows:cathodic[anodic[floating *** anodic nitrided surface has an obvious particle deposition layer composed of nitrides and *** and tribological experiments show that the corrosion resistance and wear resistance were significantly improved after a nitriding treatment using the three electric ***,the floating nitriding treatment resulted in the best tribological performance and corrosion resistance.

关键词： Nitriding Stainless steel Wear Corrosion

职业本科软件工程技术专业教学标准的开发与实施

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电脑与信息技术 2024年第1期32卷 143-146页

作者：苏秀芝何永亚彭玲胡宇晴曾琴湖南软件职业技术大学湖南湘潭411100

从我国软件业发展空间看,软件产业作为朝阳产业方兴未艾,发展前景广阔,与此相关的软件工程职业本科专业人才需求必将会随之扩大。职业本科院校作为软件工程技术人才的重要来源之一,为了确保向社会输出有质量的高层次技术技能人才,迫切... 详细信息

从我国软件业发展空间看,软件产业作为朝阳产业方兴未艾,发展前景广阔,与此相关的软件工程职业本科专业人才需求必将会随之扩大。职业本科院校作为软件工程技术人才的重要来源之一,为了确保向社会输出有质量的高层次技术技能人才,迫切需要规范的专业教学标准。当下,各专业教学标准研究还处在起步阶段,湖南省职业本科软件工程技术专业教学标准研究成果尚无。通过对软件工程技术专业教学现状的描述,分析软件工程技术专业教学标准存在的问题,提出教学标准开发建议,分析实施中存在的问题,力争为我国培养更多高层次的技术技能型人才。

关键词：职业本科专业教学标准软件工程技术

Ex-PRESS implantation versus trabeculectomy in Chinese patients with POAG:fellow eye pilot study

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International Journal of Ophthalmology(English edition) 2017年第1期10卷 56-60页

作者： Wei Wang Min-Wen Zhou Wen-Bin Huang Xin-Bo Gao xiu-Lan Zhang Zhongshan Ophthalmic Center State Key Laboratory of Oph-thalmologySun Yat-Sen UniversityGuangzhou 510060Guangdong ProvinceChina

AIM： To compare the outcomes of Ex-PRESS implantation in one eye versus trabeculectomy with mitomycin C in the fellow eye in Chinese patients with primary open-angle glaucoma （POAG）. METHODS： This was a prospective, non-randomized comparative study. Forty-eight eyes of 24 patients with bilateral POAG necessitating surgery were included and underwent Ex-PRESS implantation under the scleral flap in one eye and trabeculectomy in the other eye according to patients’ choice. Primary outcome measures included mean intraocular pressure （IOP） and success rate. Secondary outcome measures were aqueous flare, postoperative medication use, visual acuity, and incidence of ***： All 24 patients finished a 1-year follow-up. Both groups maintained significant reductions in IOP after surgery throughout the follow-up period. At any point in time, the IOP of the two groups did not differ significantly. The Kaplan-Meier survival curve analysis showed no significant differences in success between the two groups （P=0.289）. The mean number of anti-glaucoma medicines and visual acuity in both groups were not significantly different. Eyes with Ex-PRESS implantation had lower aqueous flare values on days 1 and 3 （both P〈0.05）. Instances of early postoperative hypotony and choroidal effusion were significantly fewer in frequency after Ex-PRESS implantation under the scleral flap compared with those after trabeculectomy （P〈0.001）. CONCLUSION： Ex-PRESS is comparable to trabeculectomy in terms of IOP, success rate, number of glaucoma medications used, and visual acuity. However, Ex-PRESS resulted in fewer cases of inflammation and a lower rate of complications.

关键词： Ex-PRESS trabeculectomy primary open-angle glaucoma Chinese

CRYSTAL AND MOLECULAR STRUCTURE OF THE COMPLEX OF METHOXYCARBONYLETHYLTIN TRICHLORIDE WITH SALICYLIDENE-M-TOLUIDINE

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Chinese Chemical Letters 1995年第1期6卷 87-90页

作者： fang Xin FU xiu Juan LI Hua De PAN Yan XING Yong Hua LIN Department of Chemistry.Northeast Normal University.Changchun 130024 Changchun Applied Chemistry Institute Academy Sinica.Changchun 130022

The synthesis and properties of the title complex CH3OCOCH2CH2SnCl3. 2-HOC6H4CH+= NC6H4-3-CH3 are described. It crystallizes from benzene' in the monoclinic space group P2/n with Unit cell dimensions a= 10. 326 (3) .b=6. 815(8). c=12. 931 (6) A,β=111. 52(3)°, V=2088. 7(1),A3, Z=4, F(000)= 1040, μ= 16. 31cm-1. Dc =1. 67g/cm3 final R factor is 0. 037 for 3177 observed reflections, I≥3σ(I。). The tin atom in the structure of tile complex exists in a dis tored octahedral geomelry defined by three CI atoms, the C and O atoms of a chelating methoxycarbonylethyl group as well as an O atom derived from the Schiff base ligand.

关键词： ?

Effects of Photoperiod on Alternative Respiration Pathway in Nectarine Flower Buds During Dormancy Induction

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Agricultural Sciences in China 2011年第12期10卷 1881-1886页

作者： LI Dong-mei TAN Yue YU Qin CHEN xiu-de LI Ling ZHANG Hai-sen GAO Dong-sheng State Key Laboratory of Crop Biology/College of Horticulture Science and Engineering/Research Center for Apple Engineering and Technology Shandong Agricultural University Tai ＇an 271018 P.R.China State Key Laboratory of Crop Biology/College of Life Sciences Shandong Agricultural University Tai ＇an 271018 P.R. China

Characteristics of dormancy induction and alternative respiration pathway （also known as cyanide-resistant respiration） of nectarine flower buds in different photoperiods were studied to determine the function of photoperiod and alternative respiration pathway in dormancy induction. Oxygen-electrode system and respiratory inhibitors were used to measure total respiratory rates and rates of alternative respiration pathway. The results showed that total respiration rate （Vt） in flower buds showed to be double hump-shaped curves. Short day raised, brought the first-hump of Vt forward and delayed the second-hump, while long day delayed the whole curve. The capacity （Vast） and activity （pValt） of SD and LD changed synchronously and both showed to be double hump-shaped curves. Short day made the first climax of Vast and pValt existed much earlier, while long day increased their rates significantly. The length of day had little effects on the later period climax. Long day also increased the contributions of altemative respiration pathway in total respiration rate （pValt/Vt）. The changes in alternative respiration pathway were correlated with the induction of dormancy and adjusted by photoperiod. Short day promoted dormancy induction of nectarine trees, while long day delayed it.

关键词： photoperiod nectarine flower buds dormancy induction alternative respiration pathway

Pivotal Roles of the Phytochrome-Interacting factors in Cryptochrome Signaling

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Molecular Plant 2016年第4期9卷 496-497页

作者： Xu, Peng-Bo Lian, Hong-Li Wang, Wen-xiu Xu, Feng Yang, Hong-Quan Shanghai Jiao Tong Univ Sch Life Sci & Biotechnol Shanghai 200240 Peoples R China Shanghai Jiao Tong Univ Key Lab Urban Agr South Minist Agr Shanghai 200240 Peoples R China Shanghai Jiao Tong Univ Sch Agr & Biol Shanghai 200240 Peoples R China Fudan Univ State Key Lab Genet Engn & Collaborat Innovat Ctr Genet & Dev Inst Plant BiolSch Life Sci Shanghai 200438 Peoples R China

Light,as both energy source and informational signal,profoundlyinfluences plant growth and development during the whole lifespan from seed germination to *** senses lightthrough multiple photoreceptors including the blue/UV-A photo-receptors cryptochromes （CRY,CRY1/2） and phototropins（PHOT,PHOT1/2）,the red/far-red photoreceptors phytochromes（PHY,phyA-E）,and the UV-B photoreceptor *** Arabidop-sis,both CRY and PHY are involved in mediating light regulationof hypocotyl elongation,cotyledon/leaf expansion,anthocyaninaccumulation,flowering,stomatal development,and light entrainment of the circadian clock.

关键词： energy source informational

复合钎焊铝箔LQ3-1的成品包覆率与原始包覆率的关系

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轻合金加工技术 2000年第2期28卷 12-15页

作者：张秀锦蒋显全四川省冶金研究所四川成都610081

结合工厂实际生产，研究了复合钎焊箔ＬＱ３－１的原始包覆率δ与成品包覆率δｉ的关系，得出δｉ＝０．９４δ。探讨了包覆层厚度不均匀性产生的原因以及不均匀性的危害性。

关键词：铝合金包覆率热轧复合热交换器钎焊箱

The applicability and underlying factors of frequency-dependent amplitude-versus-offset(AVO)inversion

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Petroleum Science 2023年第4期20卷 2075-2091页

作者： fang Ouyang Xin-Ze Liu BinWang Zi-Duo Hu Jian-Guo Zhao xiu-Yi Yan Yu Zhang Yi-He Qing State Key Laboratory of Petroleum Resource and Prospecting China University of Petroleum(Beijing)Beijing102249China Institute of Earthquake Forecasting China Earthquake AdministrationBeijing100036China Yumen Oil Field Branch of CNPC Exploration and Development Research Institute JiuquanGansu735000China Northwest Branch of PetroChina Research Institute of Petroleum Exploration and Development LanzhouGansu730020China Unconventional Petroleum Research Institute China University of Petroleum(Beijing)Beijing102249China College of Chemical Engineering and Environment China University of Petroleum(Beijing)Beijing102249China

Recently,the great potential of seismic dispersion attributes in oil and gas exploration has attracted extensive *** frequency-dependent amplitude versus offset(faVO)technology,with dispersion gradient as a hydrocarbon indicator,has developed *** on the classical AVO theory,the technology works on the assumption that elastic parameters are frequency-dependent,and implements faVO inversion using spectral decomposition methods,so that it can take dispersive effects into account and effectively overcome the limitations of the classical ***,the factors that affect faVO are *** this end,we construct a unified equation for faVO inversion by combining several Zoeppritz *** study and compare two strategies respectively with(strategy 1)and without(strategy 2)velocity as inversion input *** theoretical models,we investigate the influence of various factors,such as the Zoeppritz approximation used,P-and S-wave velocity dispersion,inversion input data,the strong reflection caused by non-reservoir interfaces,and the noise level of the seismic *** results show that faVO inversion based on different Zoeppritz approximations gives similar *** addition,the inversion results of strategy 2 are generally equivalent to that of strategy 1,which means that strategy 2 can be used to obtain dispersion attributes even if the velocity is not *** also found that the existence of non-reservoir strong reflection interface may cause significant false ***,logging,geological,and other relevant data should be fully used to prevent this undesirable *** the P-and S-wave related dispersion obtained from faVO can be used as good indicators of a hydrocarbon reservoir,but the P-wave dispersion is more *** fact,due to the mutual coupling of P-and S-wave dispersion terms,the P-wave dispersion gradient inverted from PP reflection seismic data has a stronger hydrocarbon detection ability than

关键词： Zoeppritz approximation Dispersion gradient Frequency-dependent AVO inversion Reservoir prediction Fluid identification

Optimal dispatch of multi energy system using power-to-gas technology considering flexible load on user side

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Frontiers in Energy 2018年第4期12卷 569-581页

作者： Zi LING xiu YANG Zilin LI College of Electric Engineering Shanghai University of Electric PowerShanghai 200090China

The relation between power-to-gas technology (P2G) and energy interconnection becomes increasingly close. Meanwhile, the participation of flexible load on user side in system optimization has attracted much attention as an efficient approach to relieve the contradiction between energy supply and energy demand. Based on the concept of energy hub, according to its series characteristic, this paper established a generic multi-energy system model using the P2G technology. The characteristic of flexible load on user side was considered and optimal dispatch analysis was made, so as to reduce the cost, to reasonably dispatch the flexible load, to reduce the discharge, to enhance the new energy output, and to increase the power-to-gas conversion efficiency. Finally, a concrete analysis was made on the optimal dispatch result of the multi-energy system using the P2G technology considering flexible load on user side in the calculating example, and optimal dispatch of the system was verified via four different scenarios. The results indicate that cooperative dispatch of multi-energy system using the P2G technology considering flexible load on user side is the most economic, and can make a contribution to absorption of new energy and P2G conversion. In this way, environmental effects and safe and stable operation of the system can be guaranteed.

关键词： multi-energy system energy hub series characteristic optimal dispatch flexible load