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应用于虹膜缺失和白化病患者的黑色隔膜无虹膜型人工晶体

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世界核心医学期刊文摘（眼科学分册） 2005年第10期1卷 49-50页

作者： Wong V.W.Y. lam P.T.H. Lai T.Y.Y. lam d.s.c. 潘佳鸿 department of Ophtha lmology and Visual sciences Hong Kong Eye Hospital The Chinese University of H ong Kong 147KArgyle Street HongKong HongKong

Background: Our aim was to assess the safety and efficacy of primary and.s.c.n dary implantation of a black diaphragm aniridia intraocular lens (IOL) in patien ts that lacked a complete iris diaphragm. Methods: This was a retrospective non -comparative study of six eyes in five patients with iris defects. The causes o f such defects included congenital aniridia, traumatic aniridia, and oculocutane ous albinism. Three eyes underwent primary implantations of a black diaphragm IO L, and three eyes were given secondary implantations. The visual acuity, subject ive severity of glare, postoperative anatomical outcome and any intraoperative o r postoperative complications were reviewed. Results: The mean follow-up period was 20.6 months (range 3-29 months. All patients showed stable or improvement in best-corrected visual acuity postoperatively. Glare and photophobia had impr oved subjectively in all patients after implantation of the black diaphragm IOL. Intraoperative complication included one case of hyphaema and iris damage durin g insertion of the IOL. Postoperative complications included intraocular inflamm ation with choroidal detachment, secondary glaucoma, and persistent epithelial d efect after surgery. None of the patients developed decentration of IOL after su rgery. conclusion: The black diaphragm aniridia IOL is useful in the management of the condition in patients with iris deficiency including oculocutaneous albin ism. Intraoperative and postoperative complications are not uncommon, and patients should be monitored carefully in the perioperative period.

关键词：虹膜型人工晶体虹膜缺失虹膜缺损外伤性无虹膜脉络膜脱离上皮缺损眩光眼内炎矫正视力前房出血

Ultra‑Transparent and Multifunctional IZVO Mesh Electrodes for Next‑Generation Flexible Optoelectronics

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Nano-Micro Letters 2025年第1期17卷 293-309页

作者： Kiran A.Nirmal Tukaram d.dongale Atul c.Khot chenjie Yao Nahyun Kim Tae Geun Kim school of Electrical Engineering Korea UniversityAnam‑ro 145Seongbuk‑guSeoulRepublic of Korea computational Electronics and Nanoscience Research Laboratory School of Nanoscience and BiotechnologyShivaji UniversityKolhapur 416004India

Mechanically durable transparent electrodes are essential for achieving long-term stability in flexible optoelectronic ***,they are crucial for applications in the fields of energy,display,healthcare,and soft *** meshes represent a promising alternative to traditional,brittle,metal oxide conductors due to their high electrical conductivity,optical transparency,and enhanced mechanical *** this paper,we present a simple method for fabricating an ultra-transparent conducting metal oxide mesh electrode using selfcracking-assisted *** this method,we produced an electrode with ultra-transparency(97.39%),high conductance(Rs=21.24Ωsq^(−1)),elevated work function(5.16 eV),and good mechanical *** also evaluated the effectiveness of the fabricated electrodes by integrating them into organic photovoltaics,organic light-emitting diodes,and flexible transparent memristor devices for neuromorphic computing,resulting in exceptional device *** addition,the unique porous structure of the vanadium-doped indium zinc oxide mesh electrodes provided excellent flexibility,rendering them a promising option for application in flexible optoelectronics.

关键词： self-cracking template Vanadium-doped indium zinc oxide mesh Organic solar cells Organic light-emitting diodes Flexible transparent memory

A comprehensive investigation on nonlinear vibration and bending characteristics of bio-inspired helicoidal laminated composite structures

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Applied Mathematics and Mechanics(English Edition) 2025年第1期46卷 81-100页

作者： s.sAURABH R.KIRAN d.sINGH R.VAIsH V.s.cHAUHAN school of Mechanical and Materials Engineering Indian Institute of Technology Mandi

Bio-inspired helicoidal composite laminates, inspired by the intricate helical structures found in nature, present a promising frontier for enhancing the mechanical properties of structural designs. Hence, this study provides a comprehensive investigation into the nonlinear free vibration and nonlinear bending behavior of bio-inspired composite plates. The inverse hyperbolic shear deformation theory(IHsdT) of plates is employed to characterize the displacement field, with the incorporation of Green-Lagrange nonlinearity. The problem is modeled using the c0finite element method(FEM), and an in-house code is developed in the MATLAB environment to solve it numerically. Various helicoidal layup configurations including helicoidal recursive(HR), helicoidal exponential(HE), helicoidal semi-circular(Hs), linear helicoidal(LH), and Fibonacci helicoidal(FH)with different layup sequences and quasi-isotropic configurations are studied. The model is validated, and parametric studies are conducted. These studies investigate the effects of layup configurations, side-to-thickness ratio, modulus ratios, boundary conditions, and loading conditions at different load amplitudes on the nonlinear vibration and nonlinear bending behaviors of bio-inspired composite plates. The results show that the laminate sequence exerts a substantial impact on both nonlinear natural frequencies and nonlinear bending behaviors. Moreover, this influence varies across different side-to-thickness ratios and boundary conditions of the bio-inspired composite plate.

关键词： finite element method (FEM) nonlinear Green-Lagrange inverse hyperbolic shear deformation theory (IHsdT) bio-inspired composite plate helicoidal O322

dynamic responses of two buildings connected by viscoelastic dampers under bidirectional earthquake excitations

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Earthquake Engineering and Engineering Vibration 2014年第1期13卷 137-150页

作者： Z.d. Yang Eddie s.s. lam department of civil and Environmental Engineering The Hong Kong Polytechnic University

In this study,dynamic responses of two buildings connected by viscoelastic dampers under bidirectional excitations are extensively *** two buildings are a 10-story building and a 16-story building,with the shorter building on the *** dampers are installed at all fl oors of the shorter *** of motion are formulated using a fractional derivative model to represent the viscoelastic *** cases are considered with mass eccentricities at 0,10% and-10% with respect to the dimensions of the *** responses of the buildings are numerically predicted at different damper *** simulation results indicated that the maximum horizontal responses of the buildings without eccentricities are signifi cantly ***,torsional effects are adversely *** asymmetric buildings,the effectiveness of the connecting dampers is affected by building *** a result,mass eccentricities must be taken into account in damper *** compared with vibrations induced by unidirectional excitations,bidirectional excitations can increase the responses of coupled asymmetric *** addition,installing dampers only at the top fl oor of the shorter building may cause a sudden change in lateral stiffness of the taller ***,the story shear envelopes of the taller building are changed.

关键词： bidirectional excitations connecting dampers adjacent buildings fractional derivative

Pore size distribution of High Performance Metakaolin concrete

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Journal of Wuhan University of Technology(Materials science) 2002年第1期17卷 42-46页

作者： c.s.Poon s.c.Kou L.lam department of civil and structural Engineering The Hong Kong Polytechnic University Hong Kong China

The compressive strength, porosity and pore size distribution of high performance metakaolin (MK) concrete were investigated. concretes containing 0,5% , 10% and 20% metakaolin were prepared at a water / cementitious material ratio ( W/c) of 0. 30. In parallel, concrete mixtures with the replacement of cement by 20% fly ash or 5 and 10% silica fume were prepared for comparison. The specimens were cured in water at 27℃ for 3 to 90 days. The results show that at the early age of curing (3 days and 7 days), metakaolin replacements increase the compressive strength, but silica fume replacement slightly reduces the compressive strength. At the age of and after 28 days , the compressive strength of the concrete with metakaolin and silica fume replacement increases. A strong reduction in the total porosity and average pore diameter were observed in the concrete with MK 20% and 10% in the first 7 days.

关键词： high performance concrete metakaolin pore size distribution

chemical characteristics of aerosols at coastal station in Hong Kong.Ⅱ. Environmental behavior of trace elements during the April 1995 to April 1996

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Journal of Environmental sciences 2004年第2期16卷 212-221页

作者： K.s.lam Z.L.cheng s.c.Kot c.W.Tsang department of civil and structural Engineering the Hong Kong Polytechnic UniversityResearch Center for Eco-Environmental Sciences Chinese Academy of SciencesDepartment of Mechanical Engineering The Hong Kong University of Science & Technology Clear Water BayDepartment of Applied Biology and Chemical Technology the Hong Kong Polytechnic University Hung Hom Hong Kong ChinaBeijing 100085 ChinaHong Kong ChinaHung Hom Hong Kong China

An one-year of sampling aerosol program was carried out during the period of April 1995 to April 1996 at coastal region, cape d′Aguilar, in Hong Kong. The trace element composition of aerosol particles(TsP and PM 10 ) were measured and analyzed by using the Instrumental Neutron Activation Analysis(INAA) and Inductive couple Plasma-Mass spectrometry(IcP-Ms) techniques. The results showed that the polluted elements such as: V, Zn, As, Pb, cd, sb, I, se, Bi, with high enrichment factor(E.F) values, are derived from anthropogenic sources, while sc, Al, Fe, Mn, sm, La, sr are less than 10 in E.F, these elements are related the crust and soil. The concentration of the trace elements are present seasonal variation i.e. summer low and winter high, whereas the V or noncrustal V(V *) present summer high and winter low, this phenomenon might be explained by local or regional oil combustion sources. Use three type of elemental ratio, e.g. La/sm, Mn */V * and Bi/Al indicate that both TsP and PM 10 of La/sm ratios are mainly related to soil and dust, Mn */V * are probably represent fossil combustion and Bi/Al are possibly associated with refuse incineration, ferromanganese alloys and aluminum production. The varimax rotation factor analysis for trace elements was performed. By means of the absolute principal component analysis(APcA) and multiple regression, the contribution of trace elements to possible sources and overall means of trace elements were estimated. The results showed that the present station is impacted by the anthropogenic species, although the quantities are different during the summertime and wintertime.

关键词： TsP PM 10 trace elements enhancement factor element ratios seasonal variation factor analysis

On the Variability and correlation of surface Ozone and carbon Monoxide Observed in Hong Kong Using Trajectory and Regression Analyses

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Advances in Atmospheric sciences 2004年第1期21卷 141-152页

作者：王体健 K.s.lam c.W.TsANG s.c.KOT department of Atmospheric sciences Nanjing University Nanjing 210093 Environmental Engineering Unit Department of Civil & Structural Engineering The Hong Kong Polytechnic University Hong Kong Environmental Engineering Unit Department of Civil & Structural Engineering The Hong Kong Polytechnic University Hong Kong department of Mechanical Engineering Hong Kong University of Science & Technology Hong Kong

This paper investigates, the variability and correlation of surface ozone (Os) and carbon monoxide (cO) observed at cape d'Aguilar in Hong Kong from 1 January 1994 to 31 december 1995. statistical analysis shows that the average O3 and cO mixing ratios during the two years are 32±17ppbv and 305±191 ppbv, respectively. The O3/cO ratio ranges from 0.05 to 0.6 ppbv/ppbv with its frequency peaking at 0.15. The raw dataset is divided into six groups using backward trajectory and cluster analyses. For data assigned to the same trajectory type, three groups are further sorted out based on cO and NOX mixing ratios. The correlation coefficients and slopes of O3/cO for the 18 groups are calculated using linear regression analysis. Finally, five kinds of air masses with different chemical features are identified: continental background (cB), marine background (MB), regional polluted continental (RPc), perturbed marine (P*M), and local polluted (LP) air masses. Further studies indicate that O3 and cO in the continental and marine background air masses (cB and MB) are positively correlated for the reason that they are well mixed over the long range transport before arriving at the site. The negative correlation between O3 and cO in air mass LP is believed to be associated with heavy anthropogenic influence, which results from the enhancement by local sources as indicated by high cO and NOx and depletion of O3 when mixed with fresh emissions. The positive correlation in the perturbed marine air mass P*M favors the low photochemical production of O3. The negative correlation found in the regional polluted continental air mass RPc is different from the observations at Oki Island in Japan due to the more complex O3 chemistry at cape d'Aguilar.

关键词： ozone carbon monoxide trajectory

Occurrence and fate of endogenous steroid hormones,alkylphenol ethoxylates, bisphenol A and phthalates in municipal sewage treatment systems

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Journal of Environmental sciences 2017年第11期29卷 49-58页

作者： Qian Wu James c.W.lam Karen Y.Kwok Mirabelle M.P.Tsui Paul K.s.lam state Key Laboratory in Marine Pollution (sKLMP) Department of Biology and Chemistry Research Centre for the Oceans and Human Health Shenzhen Key Laboratory for Sustainable Use of Marine Biodiversity City University of Hong Kong department of science and Environmental studies The Education University of Hong of Kong

steroid hormones, alkylphenol ethoxylates（APEOs） and phthalic acid esters（PAEs） are emerging endocrine disrupting chemicals（Edcs） that can interfere with the endocrine function in organisms at low concentrations. The occurrence, distribution behavior, removal rate and the fate of 31 target Edcs in sewage treatment plants, which consist of various treatment facilities and receiving water in Hong Kong, were investigated. Estrone,nonylphenol-di-ethoxylate and diethyl phthalate were found to be dominant in each group of influent samples with concentrations ranging from 11–33, 747–3945 and 445–4635 ng/L,respectively. conversely, progesterone, nonylphenol-mono-ethoxylate and bis（2-ethylhexyl）phthalate were the most abundant in dewatered sludge, with concentrations ranging from 0.9–237, 75–19,743 and 4310–37,016 ng/g（dry weight）. The removal rates of primary sedimentation and disinfection approaches were lower than 30% for most of the chemicals,while those of activated sludge and reverse osmosis were greater than 80% for more than two-thirds of the compounds, noticeably decreasing the estrogenic risk of sewage discharged into the environment. steroid hormones were removed via biological degradation, while some APEOs and PAEs adsorbed to the sludge. Victoria Harbor poses a low to medium estrogenic risk mainly contributed by estrone and estradiol and deserves attention.

关键词： Endocrine disruptor steroid hormone Alkylphenol ethoxylate Phthalic acid ester Risk assessment

Residues of Polychlorinated Biphenyls (PcBs) in Fish, Water and sediment from shing Mun River

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Biomedical and Environmental sciences 1991年第4期4卷 399-408页

作者： V.W.d.cHUI T.c.cHAN s.Y.lam-LEUNG department of Biology Hong Kong Baptist college 224 Waterloo Road Kowloon Hong KongDepartment of Biology Hong Kong Baptist College 224 Waterloo Road Kowloon Hong KongDepartment of Chemistry Hong Kong Baptist College 224 Waterloo Road Kowloon Hong Kong

The level and pattern of contamination by polychlorinated biphenyls (PcBs) were investigated in tilapia, Oreochromis mossambicus (Peters), sediment, and water from the shing Mun River. The range of total PcBs was 12.9 ng/g to 181.6 ng/g wet weight in tilapia, 12.7 ng/g to 46.0 ng/g freeze-dried weight in sediment, and 3.8 ng/L to 13.6 ng/L in water. The effect of biomagnification was also observed, PcB concentrations increased from water to sediment to tilapia. PcB congeners occurred in such a way that lower chlorinated PcBs comprised a higher fraction of the total PcBs in water, sediment, and tilapia muscle, whereas higher chlorinated PcBs were more commonly found only in tilapia.

关键词： PcBs Residues of Polychlorinated Biphenyls Water and sediment from shing Mun River in Fish