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Different Patterns of Changes in the Dry Season Diameter at Breast Height of Dominant and Evergreen Tree Species in a Mature Subtropical Forest in South China

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Journal of Integrative Plant Biology 2006年第8期48卷 906-913页

作者： Jun-Hua Yan guo-yi zhou De-Qiang Zhang Xu-Li Tang Xu Wang South China Botanical Garden the Chinese Academy of Sciences Guangzhou 510650 China

Information on changes in diameter at breast height （DBH） is important for net primary production （NPP） estimates, timing of forest inventory, and forest management. In the present study, patterns of DBH change were measured under field conditions during the dry season for three dominant and native tree species in a monsoon evergreen broad-leaved forest in the Dinghushan Biosphere Reserve. For each tree species, different patterns of DBH change were observed. In the case of the fast-growing tree species Castanopsis chinensis Hance, large diurnal fluctuations occur, with a peak DBH in the early morning （around 05：00 h） that decreases to a minimum by about 14：00 h. Both Schima superba Gardn. et Chemp and Cryptocarya chinensis （Hance） Hemsh exhibited less diurnal swelling and shrinkage. Diurnal fluctuations for these species were observed on a few occasions over the period of observation. Graphical comparisons and statistical analysis of changes in DBH with meteorological variables indicate that for different trees, the different changes in DBH observed responded to different meteorological variables. Large stem changes were found to occur for Ca. chinensis trees that were associated with variations in solar radiation. However, both S. superba and Cr. chinensis were found to be less sensitive to solar radiation. Changes in the DBH of these two species were found to be controlled mainly by soil temperature and soil moisture. During the later dry season, with a lower soil temperature and soil moisture, all three tree species stopped growing and only negligible shrinkage, expansion, or fluctuation occurred, suggesting that the optimum time to measure tree growth in the Dinghushan Biosphere Reserve is the later dry season.

关键词： dendrometer band diameter at breast height (DBH) Dinghushan meteorological variables subtropical forest.

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Geochemical insights into contribution of petroleum hydrocarbons to the formation of hydrates in the Taixinan Basin, the South China Sea

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Geoscience Frontiers 2021年第6期12卷 394-403页

作者： Yan Li Yun-Xin Fang Qian-Zhi zhou Xiang-Po Xu Jin-Zhong Liu guo-yi zhou Jiang-Hai Wang Guangdong Provincial Key Laboratory of Marine Resources and Coastal Engineering School of Marine SciencesSun Yat-Sen UniversityGuangzhou510006China Guangzhou Marine Geological Survey Guangzhou510760China State Key Laboratory of Organic Geochemistry Guangzhou Institute of GeochemistryChinese Academy of SciencesGuangzhou510640China Southern Marine Science and Engineering Guangdong Laboratory(Zhuhai) Zhuhai519000China

Methane hydrate in the South China Sea (SCS) has extensively been considered to be biogenic on the basis of its δ13C andδD *** previous efforts have greatly been made,the contribution of thermogenic oil/gas has still been *** this study,biomarkers and porewater geochemical parameters in hydrate-free and hydrate-bearing sediments in the Taixinan Basin,the SCS have been measured for evaluating the contribution of petroleum hydrocarbons to the formation of hydrate deposits via a comparative study of their source inputs of organic matters,environmental conditions,and microbial *** results reveal the occurrence of C_(14)–C_(16) branched saturated fatty acids (bSFAs) with relatively high concentrations from sulfate-reducing bacteria(SRBs) in hydrate-bearing sediments in comparison with hydrate-free sediments,which is in accord with the positive δ^(13)C values of dissolved inorganic carbon (DIC),increasing methane concentrations,decreasing alkalinity,and concentration fluctuation of ions (Cl^(-),Br^(-),SO_(4)^(2-),Ca^(2+),and Mg^(2+)).These data indicate the relatively active microbial activities in hydrate-bearing sediments and coincident variations of environmental *** isotope compositions of b SFAs (-34.0‰to -21.2‰),n-alkanes (-34.5‰to-29.3‰),and methane(-70.7‰to -69.9‰) jointly demonstrate that SRBs might thrive on a different type of organic carbon rather than *** with numerous gas/oil reservoirs and hydrocarbon migration channels in the SCS,the occurrence of unresolved complex mixtures (UCMs),odd-even predominance (OEP) values (about 1.0),and biomarker patterns suggest that petroleum hydrocarbons from deep oil/gas reservoirs are the most probable carbon *** new results provide significant evidence that the deep oil/gas reservoirs may make a contribution to the formation of methane hydrate deposits in the SCS.

关键词： Petroleum hydrocarbons Sulfate-reducing bacteria(SRBs) Biomarkers Porewater geochemistry Gas hydrates The South China Sea(SCS)

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Dependence of Soil Respiration on Soil Temperature and Soil Moisture in Successional Forests in Southern China

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Journal of Integrative Plant Biology 2006年第6期48卷 654-663页

作者： Xu-Li Tang guo-yi zhou Shu-Guang Liu De-Qiang Zhang Shi-Zhong Liu Jiong Li Cun-Yu zhou South China Botanical Garden the Chinese Academy of Sciences Guangzhou 510650 China Graduate School of the Chinese Academy of Sciences Beijing 100039 China Science Applications International Corporation （ SAIC） US Geological Survey （ USGS） National Center for Earth Resources Observation and Science （EROS） Sioux Falls South Dakota 57198 USA

The spatial and temporal variations in soil respiration and its relationship with biophysical factors In forests near the Tropic of Cancer remain highly uncertain. To contribute towards an Improvement of actual estimates, soil respiration rates, soil temperature, and soil moisture were measured In three successional subtropical forests at the Dlnghuahan Nature Reserve （DNR） In southern China from March 2003 to February 2005. The overall objective of the present study was to analyze the temporal variations of soil respiration and Its biophysical dependence in these forests. The relationships between biophysical factors and soil respiration rates were compared In successional forests to test the hypothesis that these forests responded similarly to biophysical factors. The seasonality of soil respiration coincided with the seasonal climate pattern, with high respiration rates in the hot humid season （April-September） and with low rates In the cool dry season （October-March）. Soil respiration measured at these forests showed a clear Increasing trend with the progressive succession. Annual mean （± SD） soil respiration rate In the DNR forests was （9.0 ± 4.6） Mg CO2-C/hm^2 per year, ranging from （6.1 ± 3.2） Mg CO2-C/hm^2 per year in early successional forests to （10.7 ± 4.9） Mg CO2-C/hm^2 per year in advanced successional forests. Soil respiration was correlated with both soil temperature and moisture. The T/M model, where the two biophysical variables are driving factors, accounted for 74%-82% of soil respiration variation In DNR forests. Temperature sensitivity decreased along progressive succession stages, suggesting that advanced-successional forests have a good ability to adjust to temperature. In contrast, moisture Increased with progressive succession processes. This increase is caused, in part, by abundant respirators In advanced-successional forest, where more soil moisture is needed to maintain their activities.

关键词： Dinghushan Nature Reserve moisture sensitivity Q10 soil CO2 efflux soil respiration subtropical forests successional forests temperature sensitivity Tropic of Cancer.

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不同波段紫外光对小牛胸腺DNA损伤的拉曼光谱研究

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光谱学与光谱分析 2006年第4期26卷 653-657页

作者：唐玉龙郭周义华南师范大学激光生命科学研究所广东广州510631

应用拉曼光谱分波段研究了紫外线对小牛胸腺DNA的损伤特性并对它们的作用特点进行了比较,得到了一个比较完整的紫外损伤机制。结果表明,紫外C(UVC)对DNA产生了全面的损伤,而紫外B(UVB)和紫外A(UVA)对DNA的损伤则具有选择性,其中UVB比UV... 详细信息

应用拉曼光谱分波段研究了紫外线对小牛胸腺DNA的损伤特性并对它们的作用特点进行了比较,得到了一个比较完整的紫外损伤机制。结果表明,紫外C(UVC)对DNA产生了全面的损伤,而紫外B(UVB)和紫外A(UVA)对DNA的损伤则具有选择性,其中UVB比UVA的作用速度快。在减少B型DNA构象方面,UVA和UVB似乎要比UVC强。在DNA各基团中,嘧啶碱基和脱氧核糖受损伤最为严重。较长时间的UVA或UVB照射后有光复性现象产生。实验结果部分支持环丁烷嘧啶二聚体(CPD)、6-4光产物(6-4PP)和Dewar异构体的形成。

关键词：拉曼光谱紫外辐射(UV) 脱氧核糖核酸(DNA) 碱基对

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Safety profile of 0.0015%tafluprost eye drops in China:a post-marketing observational study

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International Journal of Ophthalmology(English edition) 2023年第1期16卷 108-114页

作者： Xue-Li Chen Yan-Jing Fu Bo Qu Ye-Wei Wang Xin Tang Yu-Hong Wang guo-yi zhou Ming-Kai Lin Jing-Yuan Shen Jin Yao Su-Yan Li Miao-Qin Wu Hua-Zong Peng Ming-ying Lai Ren-yi Wu yi-Nong Zhang Yan Li Xiao-Jun Wu Ming-Chang Zhang Su-Ping guo Xing-Huai Sun Department of Ophthalmology Eye&ENT Hospital of Fudan UniversityShanghai 200000China Department of Ophthalmology Daqing Ophthalmologic HospitalDaqing 163000Heilongjiang ProvinceChina Department of Ophthalmology the Fourth Affiliated Hospital of China Medical UniversityShenyang 110000Liaoning ProvinceChina Department of Ophthalmology Da Lian He Eye Specialist HospitalDalian 116000Liaoning ProvinceChina Department of Ophthalmology Beijing Tongren HospitalBeijing 100000China Department of Ophthalmology Xiamen Eye Center of Xiamen UniversityXiamen 361000Fujian ProvinceChina Department of Ophthalmology Yueqing People’s HospitalWenzhou 325600Zhejiang ProvinceChina Department of Glaucoma Zhongshan Ophthalmic CenterSun Yat-sen UniversityGuangzhou 510000Guangdong ProvinceChina Department of Ophthalmology Shengzhou Shen’s Eye HospitalShaoxing 312400Zhejiang ProvinceChina Department of Ophthalmology the Affiliated Eye Hospital of Nanjing Medical UniversityNanjing 210000Jiangsu ProvinceChina Department of Ophthalmology Xuzhou No.1 Peoples HospitalXuzhou 221000Jiangsu ProvinceChina Department of Ophthalmology Zhejiang Provincial People’s HospitalHangzhou 310000Zhejiang ProvinceChina Department of Ophthalmology Wuhan Eyegood Ophthalmic HospitalWuhan 430014Hubei ProvinceChina Department of Ophthalmology Shenzhen Eye HospitalShenzhen 518001Guangdong ProvinceChina Department of Glaucoma Shanghai Heping Eye HospitalShanghai 200000China Department of Ophthalmology Wuxi Second People’s HospitalWuxi 214000Jiangsu ProvinceChina Department of Ophthalmology First Affiliated Hospital of Kunming Medical UniversityKunming 650000Yunnan ProvinceChina Department of Ophthalmology Union Shenzhen Hospital(Nanshan Hospital)Shenzhen 518000Guangdong ProvinceChina Department of Ophthalmology Wuhan Union HospitalWuhan 430000Hubei ProvinceChina Department of Ophthalmology Shengyang He Eye Specialist HospitalShenyang 110000Liaoning ProvinceChina

AIM:To investigate the treatment pattern and safety of tafluprost for glaucoma and ocular hypertension(OH)in clinical practice in ***:This post-marketing observational study included patients who received tafluprost to lower intraocular pressure(IOP)within 30d between September 2017 and March 2020 in 20 hospitals in *** drug reactions(ADRs)during tafluprost treatment and within 30d after the treatment were ***:A total of 2544 patients were included in this study,of them 58.5%(1488/2544)had primary open angle glaucoma(POAG),21.9%(556/2544)had OH and 19.7%(500/2544)used tafluprost for other *** 359 ADRs occurred in 10.1%(258/2544)patients,and no serious adverse event *** most common ADR was conjunctival hyperemia(128 ADRs in 124 patients,4.9%).Totally 1670 participants(65.6%)combined tafluprost with carbonic anhydrase inhibitors(CAIs;37.1%,620/1670),sympathomimetics(33.5%,559/1670),β-blockers(33.2%,555/1670),other prostaglandin analogs(PGAs;15.6%,260/1670)and other eye drops(15.1%,253/1670).The highest incidence of conjunctival hyperemia was noted in patients who received tafluprost in combination with other PGAs(23 ADRs in 23 patients,8.8%,23/260)and the lowest was in combination with CAIs(16 ADRs in 16 patients,2.6%,16/620).Tafluprost was applied in primary angle-closure glaucoma(41.6%,208/500),after glaucoma surgery(17.8%,89/500)and after non-glaucoma surgery(15.8%,79/500).CONCLUSION:Tafluprost is safe for POAG and OH,and tolerable when combined with other eye drops and under various clinical circumstances.

关键词： tafluprost glaucoma ocular hypertension intraocular pressure adverse drug reactions

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Use of optical coherence tomography in detection of micromorphology of leaf epidermis

Use of optical coherence tomography in detection of micromor...

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广东省生物物理学会2013年学术研讨会

作者： NI yi Rong guo zhou yi LIU Zhi ming zhou zeng zhi Chen di lin ZHONG Hui Qing MOE Key Lab of Laser Life Science & The laboratory of Photonic Traditional Chinese Medicine College of BiophotonicsSouth China Normal University

Optical coherence tomography(OCT) is a speediness,noninvasive and high reso lution imaging *** objective of this study is to explore the ability of OCT i maging the micromorphology of leaf *** chose semiliquidambar cathayensis as samples,the same region which examined by OCT was make into leaf tissue section was used for microscopy *** have investigated the correlation of micromorphology of lea f epidermis between OCT and microscope *** shows that the total leaf thick ness measured by OCT was similar with the histological values,and there were no signifi cantly statistical differences between the OCT results and histology(P>0.05).OCT could i mage the micromorphology of leaf *** have prospect on plant morphological classification detection.

关键词： optical coherence tomography leaf micromorphology histological sections image

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一种灵敏的时间分辨荧光免疫分析仪

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光电子．激光 2006年第9期17卷 1146-1149页

作者：田振朱延彬郭周义华南师范大学激光生命科学研究所

研制了以Eu^3＋为标记物的时间分辨荧光免疫分析仪。为使该分析仪灵敏性高、稳定性好，主要解决了2个关键性的问题：1）设计了理想的激发光系统，既能使光束最大效率地激发样品，又能保证杂散光对样品荧光的影响降到最小；2）设计了高... 详细信息

研制了以Eu^3＋为标记物的时间分辨荧光免疫分析仪。为使该分析仪灵敏性高、稳定性好，主要解决了2个关键性的问题：1）设计了理想的激发光系统，既能使光束最大效率地激发样品，又能保证杂散光对样品荧光的影响降到最小；2）设计了高效滤光系统，有效地降低了光谱噪声对光电倍增管的影响。同时，该分析仪利用稀土离子荧光寿命长、Stokes位移大的特点，采用了时间分辨技术，消除了散射光、短寿命杂质荧光的影响。经检验，该分析仪的灵敏度可达10^-12mol／L（当用Eu^3＋为示踪标记物时），检测线性范围10^-12～10^-18mol／L，相关系数r=99．9％（P=0．0001），检测稳定性CV≤2．5%，是一种性能先进的用于超微量物质定量检测的临床检验仪器。

关键词：标记免疫分析时间分辨荧光免疫分析仪时间分辨光谱分辨

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Interfacial Zn2+-solvation regulator towards reversible and stable Zn anode

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Journal of Energy Chemistry 2025年第1期100卷 684-692页

作者： Miao zhou Xiongbin Luo Hang Li Shan guo Zhuang Tong Xiaotao zhou Xu Li Zhaohui Hou Shuquan Liang guozhao Fang College of Mechanical Engineering Key Laboratory of Hunan Province for Advanced Carbon-based Functional Materials Hunan Institute of Science and Technology School of Materials Science and Engineering Key Laboratory of Electronic Packaging and Advanced Functional Materials of Hunan Province Central South University College of Materials and Metallurgy Guizhou University National Energy Metal Resources and New Materials Key Laboratory Central South University

Aqueous zinc-ion batteries （AZIBs） are fundamentally challenged by the instability of the electrode/electrolyte interface,predominantly due to irreversible zinc （Zn） deposition and hydrogen ***,the intricate mechanisms behind the electrochemical discrepancies induced by interfacial Zn2+-solvation and deposition behavior demand comprehensive *** molecules endowed with special functional groups （such as hydroxyl,carboxyl,etc.） have the potential to significantly optimize the solvation structure of Zn2+and regulate the interfacial electric double layer （EDL）.By increasing nucleation overpotential and decreasing interfacial free energy,these functional groups facilitate a lower critical nucleation radius,thereby forming an asymptotic nucleation model to promote uniform Zn ***,this study presents a pioneering approach by introducing trace amounts of n-butanol as solvation regulators to engineer the homogenized Zn （H-Zn） anode with a uniform and dense *** interfacial reaction and structure evolution are explored by in/ex-situ experimental techniques,indicating that the H-Zn anode exhibits dendrite-free growth,no by-products,and weak hydrogen evolution,in sharp contrast to the bare ***,the H-Zn anode achieves a remarkable Zn utilization rate of approximately 20% and simultaneously sustains a prolonged cycle life exceeding 500 ***,the H-Zn//NH4V4O10（NVO） full battery showcases exceptional cycle stability,retaining 95.04%capacity retention after 400 cycles at a large current density of 5 A *** study enlightens solvation-regulated additives to develop Zn anode with superior utilization efficiency and extended operational lifespan.

关键词： Aqueous zinc-ion batteries Interfacial reaction Asymptotic nucleation model Reversible and stable Zn anode

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Prevention and management of pleural effusion following hepatectomy in primary liver cancer

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Hepatobiliary & Pancreatic Diseases International 2005年第3期4卷 375-378页

作者： Jian-Jun Yan, Xiang-Hua Zhang, Kai-Jian Chu, Liang Huang, Fei-guo zhou and yi-Qun Yan Department of Hepatic Surgery, Eastern Hepatobiliary Surgery Hospital, Second Military Medical University, Shanghai 200438, China Department of Hepatic Surgery Eastern Hepatobiliary Surgery Hospital Second Military Medical University Shanghai 200438 China. Yiqunyan@***

Postoperative pleural effusion occurs frequently after hepatectomy. The risk factors, prevention and management of postoperative pleural effusion in patients with primary liver cancer (PLC) who have undergone hepatectomy and the value of the argon beam coagulator (ABC) for the prevention of pleural effusion are studied. METHODS:A total of 523 patients with PLC at our institution who had had right hepatectomy from July 2000 to June 2004 were studied retrospectively. Comparative analysis was made to identify the factors contributing to postoperative pleural effusion and the efficacy of various managements. RESULTS:Of the 523 patients whose livers were dissociated using argon beam cutting and/or coagulation, 20(3.8%) developed pleural effusions;whereas in the other 467 patients underwent hepatectomy with suture ligation of the diaphragmatic secondary wound surface during the same period, 49(10.5%) had pleural effusion (Pying cirrhosis. CONCLUSIONS: Dissociation of the liver by argon beam cutting and/or coagulation can save suture ligation of the diaphragmatic secondary wound surface and may also prevent postoperative pleural effusion. Pleural drainage using an indwelling central-venous-catheter (CVC) in the pleural cavity is safe and efficacious.

关键词： primary liver cancer hepatectomy postoperative pleural effusion argon beam cut and/or coagulation central venous catheter

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一种新型的PKU荧光仪的研制及其临床评价

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光电工程 2011年第3期38卷 81-87页

作者：郭龙朱延彬郭周义刘颂豪华南师范大学生物光子学研究院广州510631 广州丰华生物工程有限公司广州510730

针对传统PKU测量仪器由于不能监测激发光强度的波动,从而导致所测得的荧光数据具有较大不稳定误差的缺点,本文构建了一套新型的以N型光纤为核心的光路检测系统,研制出一种专用于PKU检测的光纤型荧光仪。根据美国临床实验室标准化委员会(... 详细信息

针对传统PKU测量仪器由于不能监测激发光强度的波动,从而导致所测得的荧光数据具有较大不稳定误差的缺点,本文构建了一套新型的以N型光纤为核心的光路检测系统,研制出一种专用于PKU检测的光纤型荧光仪。根据美国临床实验室标准化委员会(NCCLS)文件,美国质量协会(ASQ)的QS-9000标准以及相关文献,采用将研制的荧光仪和国家规定的标准仪器(雷勃仪器,THERMO Varioskan Flash全波长多功能酶标仪)相比较的方法,提出了一种可定量评价仪器相关各项指标的评价方案。并运用其标准对所研发的荧光仪进行了全面评价,结果表明荧光仪的各项指标均符合要求,同时为仪器的进一步改进指明了方向。

关键词： PKU 荧光仪 N型光纤临床检验方法

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