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河北大学学报（哲学社会科学版） 2005年第2期30卷 126-128页

作者：毕玲蔷浙江大学新闻与传播系浙江杭州310028

文章探讨了丁玲文学语言观的产生与形成,对丁玲文学语言观整体结构的构筑,以及其观点的理论表述与价值意义作了阐述。

关键词：文学语言文学语言观丁玲

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光纤腐蚀传感器研究进展

光学技术 2016年第1期42卷 50-55页

作者：凌强顾铮一先上海理工大学理学院光电功能薄膜实验室上海200093

光纤腐蚀传感器(FOCS)是近年来腐蚀监测传感器的研究热点,以其轻巧简便、抗电磁干扰和可分布式测量等优点使其具有诱人的应用前景。对金属腐蚀机理作了介绍,给出了几种常见的光纤腐蚀传感器的检测方法,阐述近年来光纤腐蚀传感器的最新进... 详细信息

光纤腐蚀传感器(FOCS)是近年来腐蚀监测传感器的研究热点,以其轻巧简便、抗电磁干扰和可分布式测量等优点使其具有诱人的应用前景。对金属腐蚀机理作了介绍,给出了几种常见的光纤腐蚀传感器的检测方法,阐述近年来光纤腐蚀传感器的最新进展,对未来光纤腐蚀传感器的发展趋势作进一步展望。

关键词：腐蚀检测混凝土钢筋结构光纤腐蚀传感器光纤光栅

Exploring the groundwater response to rainfall in a translational landslide using the master recession curve method and cross-correlation function

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Journal of Groundwater Science and Engineering 2024年第3期12卷 237-252页

作者： Cheng-peng ling qiang Zhang Chengdu University of Technology Chengdu 610059China State Key Laboratory of Geohazard Prevention and Geoenvironment Protection(Chengdu University of Technology) Chengdu 610059China

Rainfall is a common trigger for landslide reactivation,as it raises groundwater levels and reduces bedrock or soil shear *** study focuses on the Kualiangzi landslide in the southern region of Sichuan Province,***-time monitoring of groundwater levels and rainfall from July 2013 to September 2016 is *** table increments,considering groundwater drainage rate,were calculated using the water-table fluctuation and master recession curve method and the response time of the groundwater table to rainfall events was estimated using the cross-correlation *** reveal that groundwater level declines from tension troughs to landslide fronts in the rainy season,with a significant positive correlation between the groundwater level in the tension trough and landslide surface *** spring elevations for groundwater discharge range from 410 m to 440 m,which is in agreement with the actual spring elevations(390-423 m).Lag times of groundwater response to rainfall decreases with cumulative rainfall of the rainy *** the middle part of the landslide,two responses between rainfall and groundwater levels indicate two water movement pathways:Vertical cracks or fractures resulting from the slow landslide movement,and matrix pore space in unconsolidated *** in peak values of the cross-correlation function suggest early dominance of the uniform matrix flow and later dominance of preferential flow during the rainy period.

关键词： Translational landslide Rainfall Groundwater Lag response Water table fluctuation Recharge pathway

Adhesive properties of hepatoma cells to collagen Ⅳ coated surfaces

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Hepatobiliary & Pancreatic Diseases International 2002年第4期1卷 565-569页

作者： Ting Zhao Zhi-qiang ling Wei-Qun Yu Mian Long Shao-Xi Cai the Department of Surgery, Zhejiang Provincial Hospital, Hangzhou 310014, China Zhejiang Academy of Medical Sciences, Hangzhou 310013, China Bioengineering College, Chongqing University, Chongqing 400044, China Department of Surgery Zhejiang Provincial Hospital Hangzhou 310014 China Zhejiang Academy of Medical Sciences Hangzhou 310013 China Bioengineering College Chongqing University Chongqing 400044 China

Objectives: To quantitatively study the adhesive pro- perties of hepatoma cells to collagen Ⅳ coated artifi- cial basement membrane and to investigate the rele- vance of cell adhesive forces to the concentration of collagen Ⅳ. Methods: Synchronous G1 and S phase cells were a- chieved using thymine-2-desoxyriboside and cochicine sequential blockage method and double thymine-2- desoxyriboside blockage method respectively. The adhesive forces of hepatoma cells were investigated by micropipette aspiration technique. Results: The adhesive forces of hepatoma cells to ar- tificial basement membrane were (107.78±65.44) ×10^(-10)N, (182.60±107.88)×10^(-10)N, (298.91± 144.13)×10^(-10)N when the concentration of the membrane coated by 1, 2, 5μg/ml collagen Ⅳ re- spectively (P<0.001). The adhesive forces of G1 and S phases hepatoma cells to artificial basement membrane were (275.86±232.80)×10^(-10)N and (161.16±120.40)×10^(-10)N respectively when the concentration of the membrane coated by 5μg/ml collagen Ⅳ (P<0.001). Conclusions: The adhesive forces of hepatoma cells to artifical basement membrane in direct proportion to the concentration of collagen Ⅳ suggests that the in- crease of basement membrane might be conducive to the chemotactic motion and adhesiveness of tumor cells. G1 phase cells are more capable of adhering to basement membrane than S phase cells. Hepatoma cells, especially G1 phase cells, may survive in blood circulation, and sequest and adhere in microcircula- tion, and get through basement membrane for re- mote metastasis.

关键词： hepatocellular carcinoma collagen Ⅳ adhesion cell cycle synchronous micropipette aspiration technique

An Improved MRI Denoising Algorithm based on Wavelet Shrinkage 26th

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An Improved MRI Denoising Algorithm based on Wavelet Shrinka...

Estimate the densities of pollutions in water quality monitoring systems based on UV/vis spectrum 26th

第26届中国控制与决策会议

作者： Kaikai Song qiang ling Zhaohui Li Feng Li University of Science and Technology of China

ISBN: (纸本)9781479937097

Magnetic resonance imaging（MRI） is very important in medical diagnosis. Denoising is a critical step for MRI diagnosis. Wavelet shrinkage is an efficient denoising method. It can be further classified into two types, the threshold method and the proportional-shrink method. However, both methods have their disadvantages. When the threshold method is implemented, the noise cannot be perfectly removed under a hard threshold while the denoised image may have fuzzy edges with a soft threshold. Furthermore, when the noise is too strong, the noise removal may not be enough by the threshold method. The proportional-shrink method requires that the variance field of the wavelet coefficients should change smoothly and the noise should obey a Gaussian distribution. If these assumptions are violated, the estimated ratios would not be precise so that too much texture information may be removed and the image can be distorted. This paper presents an improved method to combine the above two methods. By combining the processed results together,the improved method can achieve a good balance between denoising and retaining the texture information. We verify the efficiency of our method through some simulated data from an open database.

关键词： wavelet shrinkage magnetic resonance imaging denoising threshold proportional-shrink

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Estimate the densities of pollutions in water quality monito...

A regularized estimation method for MR inhomogeneity correction

第26届中国控制与决策会议

作者： Tianrong Rao qiang ling Binfeng Yu Haibo Ji Department of Automation University of Science and Technology of China

ISBN: (纸本)9781479937097

UV/vis spectrometric quantification is widely applied in water quality monitoring systems. The UV/vis spectrum contains a huge amount of information about the water composition so that it can be used to measure the density of substances. However, the traditional methods to estimate densities using spectrum based on Lambert-Beer’s law become invalid in UV/vis spectrum because of the strong correlation among the absorption ratio of different wavelengths in the UV/vis spectrum. So we need to find a new estimating algorithm for water quality monitoring systems based on the UV/vis spectrum. In this paper, we analyze the traditional estimating algorithms. After that, we design an efficient estimating algorithms for water quality monitoring systems and evaluate it through orthogonal experiments.

关键词： UV/vis spectrum water quality monitoring system PLS MLR SVM orthogonal experiment

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A regularized estimation method for MR inhomogeneity correct...

第26届中国控制与决策会议

作者： Zhaohui Li qiang ling Kaikai Song Feng Li University of Science and Technology of China

Magnetic resonance imaging is affected by intensity inhomogeneity, also known as the bias field, which is mainly caused by imperfections in the radio frequency coils or inhomogeneous coil sensitivities in the receiving coils. In this paper, we proposed a new method which automatically correct the bias field using a regularized *** method does not need extra scan devices or empirical data. This method includes minimizing a cost function containing both a data-fit term and a regularization term, which provide robust inhomogeneity estimates. The method choose a region in which the intensities are similar and then use a low-pass filter and a regularized polynomial fitting method to estimate the bias field. The method has been evaluated with both simulated data and real clinical data and the results indicate that this method achieves excellent performance in estimating the intensity inhomogeneities.

关键词： intensity inhomogeneity regularization polynomial fitting

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一种用于感应电机的鲁棒变结构观测器

控制与决策 2000年第6期15卷 662-665,669页

作者：凌强徐文立陈峰清华大学自动化系北京100084

提出一种同时实现感应电机转速和转子电流观测的方法。针对感应电机这一多变量耦合非线性时变对象 ,以 L yapunov稳定判据作为设计基础 ,通过变结构项的引入来抵消不可知部分 ,确保L yapunov稳定判据的条件成立 ,从而得到原系统的鲁棒... 详细信息

提出一种同时实现感应电机转速和转子电流观测的方法。针对感应电机这一多变量耦合非线性时变对象 ,以 L yapunov稳定判据作为设计基础 ,通过变结构项的引入来抵消不可知部分 ,确保L yapunov稳定判据的条件成立 ,从而得到原系统的鲁棒非线性观测器。理论分析表明 ,由于变结构项的引入 ,保证了所设计的观测器具有收敛性和对参数变动的鲁棒性。感应电机的仿真实验说明了该方法的可行性和良好性能。

关键词：感应电机观测器变结构

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制度环境、管理层股权激励与债务期限结构

上海经济研究 2014年第8期26卷 114-120页

作者：强国令新疆财经大学金融学院 830012

本文以股权分置改革为例,研究股权制度变化对管理层股权激励与债务期限结构的影响。研究结果表明,股权分置改革改善了管理层股权激励的治理效应,降低了长期负债比重。股权制度变化对国有公司管理层股权激励与债务期限结构产生正面影响,... 详细信息

本文以股权分置改革为例,研究股权制度变化对管理层股权激励与债务期限结构的影响。研究结果表明,股权分置改革改善了管理层股权激励的治理效应,降低了长期负债比重。股权制度变化对国有公司管理层股权激励与债务期限结构产生正面影响,而对非国有公司没有显著影响。最终结论是:制度环境和产权性质是影响管理层股权激励与债务期限结构关系的重要因素.这对于研究国有公司股权激励效应及完善公司治理具有重要意义,也为从制度层面研究债务期限结构提供了一个有益视角。

关键词：制度环境管理层股权激励债务期限结构

Clinical study of chemotherapy-related cognitive impairment in patients with non-Hodgkin lymphoma

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World Journal of Psychiatry 2024年第7期14卷 1062-1067页

作者： qiang-Li Wang Hai-Yan Xu Yi Wang Yin-ling Wang Pei-Nan Lin Zhong-Lei Chen Department of Oncology and Hematology Suzhou Kowloon HospitalShanghai Jiao Tong University School of MedicineSuzhou 215000Jiangsu ProvinceChina

BACKGROUND Chemotherapy for malignant tumors can cause brain changes and cognitive impairment,leading to chemotherapy-induced cognitive impairment(CICI).Current research on CICI has focused on breast cancer and Hodgkin’s *** patients with non-Hodgkin’s lymphoma(NHL)undergoing chemo-therapy have cognitive impairment has not been fully *** have cognitive impairment has not been fully *** To investigate whether NHL patients undergoing chemotherapy had cognitive *** The study included 100 NHL patients who were required to complete a compre-hensive psychological scale including the Brief Psychiatric Examination Scale(MMSE)at two time points:before chemotherapy and within 2 wk of two chemo-therapy courses.A language proficiency test(VFT),Symbol Number Pattern Test(SDMT),Clock Drawing Test(CDT),Abbreviated Daily Cognition Scale(ECog-12),Prospective and Retrospective Memory Questionnaire,and Karnofsky Perfor-mance Status were used to assess cognitive changes before and after *** The VFT scores for before treatment(BT)and after treatment(AT)groups were 45.20±15.62,and 42.30±17.53,respectively(t-2.16,P<0.05).The CDT scores were 8(3.5-9.25)for BT and 7(2.5-9)for AT groups(Z-2.1,P<0.05).Retrospective memory scores were 13.5(9-17)for BT and 15(13-18)for AT(Z-3.7,P<0.01).The prospective memory scores were 12.63±3.61 for BT and 14.43±4.32 for AT groups(t-4.97,P<0.01).The ECog-12 scores were 1.71(1.25-2.08)for BT and 1.79(1.42-2.08)for AT groups(Z-2.84,P<0.01).The SDMT and MMSE values did not show a significant difference between BT and AT *** Compared to the AT group,the BT group showed impaired language,memory,and subjective cognition,but objec-tive cognition and execution were not significantly affected.

关键词： Non-Hodgkin’s lymphoma Hodgkin lymphoma Lymphoma cognitive impairment Chemotherapy-related cogni-tive impairment Clinical study