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Confinement of Fe atoms between MoS_(2) interlayers drives phase transition for improved reactivity in Fenton-like reactions

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Nano Research 2024年第3期17卷 1132-1139页

作者： yibing sun Yu Zhou Hongchao Li Chuan Wang Xuan Zhang Qian Ma Yingchun Cheng Jieshu Qian Bingcai Pan Jiangsu Key Laboratory of Chemical Pollution Control and Resources Reuse School of Environmental and Biological EngineeringNanjing University of Science and TechnologyNanjing 210094China Key Laboratory of Flexible Electronics and Institute of Advanced Materials Jiangsu National Synergetic Innovation Center for Advanced MaterialsNanjing Tech UniversityNanjing 211816China Department of General Dentistry Affiliated Stomatological Hospital of Nanjing Medical UniversityJiangsu Province Key Laboratory of Oral DiseasesNanjing 210029China Research Center for Environmental Nanotechnology(ReCENT) State Key Laboratory of Pollution Control and Resources ReuseSchool of EnvironmentNanjing UniversityNanjing 210023China

Phase manipulation of MoS_(2) from thermodynamically stable 2H phase to the unstable but more reactive 1T phase represents a crucial strategy for improving the reactivity in many *** widely adopted wet chemistry approach uses intercalating entities especially alkali metal ions to achieve the phase transition;however,these entities are normally inert for the target ***,we describe the first use of iron atoms for the intercalation of 2H-MoS_(2) layers,driving the partial transition from 2H to 1T ***,in the peroxymonosulfate(PMS)-based Fenton-like reactions,the interlayered confinement of Fe atoms not only activates the inert basal plane,but also adds more reactive Fe sites for the formation of metal-PMS complex as primary reactive species for pollutant *** the degradation of a model pollutant carbamazepine(CBZ),the Fe-intercalated MoS_(2) exhibits a first order rate constant 13.3 times higher than 2H-MoS_(2).This strategy is a new direction for manipulating the phase composition and boosting the catalytic reactivity of MoS_(2)-based catalysts in various scenarios,including environmental remediation and energy applications.

关键词： confinement MoS_(2) Fe atoms Fenton-like reactions hydrogen evolution reaction

Mucin-Producing Urothelial-Type Adenocarcinoma of the Prostate (a Case Report and Review of the Literature)

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Chinese Journal of Clinical Oncology 2006年第5期3卷 370-372页

作者： Haitao Niu Guang sun Jiwu Chang yibing Zhang Department of Urology Second Hospital of Tianjin Medical University Institute of Urology Tianjin 300211 China.

OBJECTIVE To report clinical and pathologic findings of one case of mucin-producing urothelial-type adenocarcinoma of the prostate, and to discuss the diagnosis and prognosis of this disease. METHODS The patient was a 60-year-old man who had an 8-month history of urinary frequency and dysuria culminating in an aggravating condition for 10-days. Laboratory results were tPSA 3.0 and fPSA 0.4. An ultrasound and digital rectal exam showed no abnormal findings, so he was diagnosed as having benign prostatic hyperplasia, and underwent a transurethral prostate resection. RESULTS The findings during the operation resembled benign prostatic hyperplasia (BPH), whereas the pathological exam showed that the pro-static construction was deranged in the tumor infiltrating region, with many mucin lakes and signet ring cell in the cancer tissue. Immunohisto-chemical staining revealed that the cancer tissue was negative for prostate-specific antigen (PSA) and postive for carcinoembryonic antigen (CEA). Final diagnosis: mucin-producing urothelial-type adenocarcinoma of the prostate. After 50 Gy radiotherapy, the patient was free of recurrent signs and metastasis up to 8 months after operation. CONCLUSION Mucin-producing urothelial-type adenocarcinoma of the prostate is extremely rare. Its differential diagnosis mainly includes conventional prostatic adenocarcinoma with mucin production and secondary adenocarcinoma. The diagnosis and treatment of this disease should be further investigated.

关键词： mucin-producing urothelial-type adenocarcinoma prostate diagnosis.

Oscillation and Asymptotic Behavior of Third-Order Neutral Differential Equations with Damping, Unbounded Neutral Coefficients and Distributed Deviating Arguments

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Oscillation and Asymptotic Behavior of Third-Order Neutral D...

Existence and uniqueness for nonlinear fractional differential systems

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作者： sun yibing Zhao Yige School of Mathematical Sciences University of Jinan

In this article, we study the oscillation and asymptotic behavior of all solutions of the third-order neutral differential equation with damping, unbounded neutral coefficients and distributed deviating arguments. A series of new sufficient conditions are presented under some more relaxed conditions by using the Riccati transformation and integral averaging technique. The results obtained here improve and complement that in the literature. At last, two examples are provided to illustrate the main results.

关键词： Oscillation and Asymptotic Behavior Damping Term Distributed Deviating Arguments Unbounded Neutral Coefficients Third-Order Neutral Differential Equations

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Existence and uniqueness for nonlinear fractional differenti...

乌托邦建构的悖论:从《上来透口气》看乔治·奥威尔的文化保守主义倾向

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作者： Yige Zhao yibing sun School of Mathematical Sciences University of Jinan

The results of existence and uniqueness for nonlinear fractional differential systems are studied in this paper. Two sufficient conditions of existence and uniqueness of solutions for nonlinear fractional differential... 详细信息

关键词： existence and uniqueness fixed point theorem nonlinear fractional differential systems

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外国语言与文化 2023年第3期7卷 12-24页

作者：孙怡冰深圳大学外国语学院广东深圳518060

《上来透口气》是乔治·奥威尔在“二战”前夕发表的小说,旨在构建一个以家庭生活和乡村文化为核心的乌托邦,以重塑民族身份的统一性,但这一构想并未成功。本文从奥威尔对社会阶级和民族文化的理解两个方面入手,探讨其乌托邦建构失败的... 详细信息

《上来透口气》是乔治·奥威尔在“二战”前夕发表的小说,旨在构建一个以家庭生活和乡村文化为核心的乌托邦,以重塑民族身份的统一性,但这一构想并未成功。本文从奥威尔对社会阶级和民族文化的理解两个方面入手,探讨其乌托邦建构失败的原因。首先,以主人公保灵为代表的下层中产阶级很难形成独立的身份政治。其次,奥威尔的思想中存在小英格兰主义的倾向,与他主张的社会变革之间存在根深蒂固的矛盾。促使奥威尔走向反乌托邦写作的原因,除了外在的政治因素外,还有作者本人在社会阶级和民族文化认知上的保守主义倾向。

关键词：乔治·奥威尔乌托邦《上来透口气》小英格兰主义

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基于神经网络的Z型管路多目标稳健优化设计

振动与冲击 2023年第24期42卷 194-203页

作者：孙一冰王晓伟南京航空航天大学能源与动力学院南京210016

目前,航空发动机管路系统的卡箍布局优化设计大多数为确定性优化,没有考虑卡箍刚度和人工装配误差等不确定因素,这些不确定因素的波动性可能会导致管路系统的输出响应与预计值有较大偏差,从而引起系统故障。为了在改善航空发动机管路系... 详细信息

目前,航空发动机管路系统的卡箍布局优化设计大多数为确定性优化,没有考虑卡箍刚度和人工装配误差等不确定因素,这些不确定因素的波动性可能会导致管路系统的输出响应与预计值有较大偏差,从而引起系统故障。为了在改善航空发动机管路系统振动性能的同时保证管路系统具有较强的可靠性与稳健性,以Z型管路为研究对象,提出一种以避开激振频率和降低振动频率分散度为目标的卡箍布局稳健优化设计方法;该方法首先采用壳单元和弹簧单元分别对管体和卡箍进行有限元建模;然后对设计参数进行拉丁超立方抽样,通过有限元模型计算样本的固有频率,并构造频率响应的高精度神经网络代理模型;最后采用蒙特卡罗模拟和改进型非支配遗传算法,展开了卡箍支撑位置的稳健优化设计。结果表明,该方法能在保证管路系统避开激振频率的设计要求基础上,有效地提高其动力学特性的稳健性。

关键词： Z型管路有限元建模神经网络遗传算法稳健设计

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试析县级政府组织在农业科技推广中的作用

科技管理研究 2010年第23期30卷 26-29页

作者：张磊孙义兵西北农林科技大学人文学院陕西杨凌712100

构建成熟高效的农业科技推广体系,政府参与是必不可少的。我国农业科技推广模式呈现多元化的发展,势头强劲。县级政府组织在我国行政管理体制中,处于基础地位,直接进行着管理和引导农业生产。县级政府组织应该成为农业科技推广的主要力... 详细信息

构建成熟高效的农业科技推广体系,政府参与是必不可少的。我国农业科技推广模式呈现多元化的发展,势头强劲。县级政府组织在我国行政管理体制中,处于基础地位,直接进行着管理和引导农业生产。县级政府组织应该成为农业科技推广的主要力量,更有效地综合各方力量,加快农业科技的推广。文章结合调研材料,分析其中存在的问题,在此基础上,提出实现县级政府组织在农业科技推广中发挥作用的有效途径。

关键词：县级政府组织农业科技推广作用

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国外城市与农业关系的演变及发展历程研究

城市规划学刊 2013年第3期 15-21页

作者：孙艺冰张玉坤天津大学建筑学院

国外学术界对于城市、建筑与农业关系的研究从未停止,却往往为人们所忽略经梳理从18世纪至今,国外建筑及规划学界对于城市与农业关系研究的演变和发展历程,将其分为城市与农村关系重新配置、现代化发展、对机械化的重新思考、自由农场... 详细信息

国外学术界对于城市、建筑与农业关系的研究从未停止,却往往为人们所忽略经梳理从18世纪至今,国外建筑及规划学界对于城市与农业关系研究的演变和发展历程,将其分为城市与农村关系重新配置、现代化发展、对机械化的重新思考、自由农场、以及现代农场与建筑5个主要发展阶段,归纳每一阶段特征,并总结农业对我国城市及建筑发展的启示和影响。

关键词：城市农业建筑与农业城市与农村

从话轮和话轮转换的角度对英语自然会话和网络聊天室会话的比较

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外语与外语教学 2006年第2期 13-16页

作者：孙毅兵何瑞华天津外国语学院天津300204

本文从话轮和话轮转换的角度对英语自然会话与网络聊天室会话语言进行比较，发现网络会话是传统语言表达方式（口语和书面语）在信息时代的新发展、新特点，语言本身并未发生质的变化。这一结论对我国当前的外语口语教学有一定的启示意义。

关键词：话轮话轮转换自然会话网络聊天