Method for calculating the capacity of bus bay

The bus operating characteristics are analyzed at the bus bay using the trajectories depending on the current status of buses. On this basis, a method for calculating the capacity of the bus bay is developed, which considers the queue probability, the dwell time distribution and the waiting time for a gap in the traffic stream at the curb lane. Then, the distribution model of the dwell time is developed using the survey data of Hangzhou city. And the log-normal distribution shows the best fitting performance. The capacities of the bus bay are computed with the Matlab program under different distribution parameters of the dwell time and different traffic volumes at the curb lane. The results show a large range of traffic capacity as the distribution parameters and traffic volumes change. Finally, the proposed model is validated by measurement and simulation, and the average relative errors between the calculated values and the measured and simulated values are 8.78% and 5.28%, respectively.

Ecological risk assessment of heavy metals in sediments of Xiawan Port based on modified potential ecological risk index

Modified potential ecological risk index （MRI） was proposed based on the potential ecological risk index （RI） and risk assessment code （RAC） by modifying an index. The modified index was relevant to the chemical speciation of heavy metals. Xiawan Port, a typical region contaminated by industrial production, was selected as a case study area. The total concentrations and chemical speciation of heavy metals in sediments of Xiawan Port were analyzed. The experimental data indicate that Xiawan Port is seriously polluted by heavy metals, especially by Cd. The risks of heavy metals are evaluated by RI, RAC and MRI, respectively. The resluts of MRI show that the risks of heavy metals are in the decreasing order of Cd〉Pb〉Cu〉Zn. Comparison of results by different methods reveals that MRI integrates the characters of RI and RAC. MRI is recognized to be useful for risk managemnt of heavy metals in sediments.

De l' oeil aux mes

本文是作者对波德莱尔的一首散文诗《港湾》所作的浅要分析。在文中我们解读文字后面所潜藏关于美的层次,以期由此感受诗人给予的启示。

谢艾非水彩画作品选登

谢艾非 1954年生,曾就读于福建艺术学校、福建师范大学美术系、进修于上海戏剧学院舞美系。现为中国美术家协会会员、中国水彩画学会会员、中国油画学会团体会员、中国舞台美术学会福建分会会员、福建艺术学校高级讲师。长期从事舞台美术设计及美术教学工作,潜心研习水彩画,追求具有现代感及个性的形式空间,

林继宗潮人系列长篇小说《家园》出版

最近，汕头市作家协会主席林继宗的诗化散文式长篇小说《家园》由作家出版社出版。这是其系列长篇小说《魂系潮人》四部中的第一部．后三部长篇小说将分别定名为《海岛》、《港湾》、《潮人》并将陆续出版。《家园》这部长篇小说从“家”和“我”的原点出发，写了作家熟悉的广大潮汕乡亲和潮人世界，写了生他养他的潮汕大地及潮人社会所发生的故事。该书由广东省文联主席刘斯奋题写书名，中国著名作家从维熙作序。

Study on the Marine Sedimentary Environment Evolution of the Southern Laizhou Bay Under the Impact of Port Projects

The southern Laizhou Bay is mainly composed of silt-sandy coasts with diverse landforms, and its marine hydrodynamic environment is sensitive to human activities. Marine hydrodynamic and sedimentary environments of the study area have changed under the influence of large-scale port projects in recent years. In this paper, the evolution of hydrodynamic environment, deposition rate, and geochemical characteristics were studied based on sediment grain size, element analysis and ^(210)Pb dating of two cores, in order to analyze the influence of Weifang Port on marine environmental evolution, and provide theoretical and practical basis for protecting marine environment in developing marine resources reasonably. Results showed that sediments of the two cores were relatively coarser and mainly composed of silty sand. Sediments above 230 cm in core WF1 and 218 cm in core WF2 were deposited since 1855 when the Yellow River appeared to deposit its sediments within the modern active delta, and the average deposition rate was between 0.3 and 0.5 cm a^(-1). Implement of Weifang Port projects in 1997 and 2007 created great influence on the sedimentary environment evolution in the surrounding waters, and the deposition rate was significantly increased. The average annual deposition rates were 5.1 cm and 3.5 cm in WF1 and WF2 respectively between 1997 and 2007. Content of heavy metals in sediments showed no obvious change in the vertical, indicating that the heavy metals were less affected by human activity and there was no significant accumulation of such metals in the study area.

Study on respiratory electron transport system (ETS) of phyto-plankton in Taiwan Strait and Xiamen Harbour

Phytoplankton respiratory electron transport system (P-ETS) activities were studied in two cruises in Taiwan Strait (Aug. 1997 and Feb. –Mar.1998) and two cruises in Xiamen Harbour (Oct., 1997 and Apr., 1998). Results showed that P-ETS activity in the surface water of southern Taiwan Strait in summer was homo- geneous [mean value of 0.106 μlO2/(L?h)], inhomogeneous in northern Taiwan Strait in winter. Variation of P-ETS activity in middle part of the Strait was not obvious between summer and winter. Mean P-ETS activity of Xiamen Harbour in autumn was 0.255 μlO2/(L?h) with a little higher value in Jiulong River estuary areas. In spring, P-ETS activity was more homogeneously distributed and the mean value was 1.076 μlO2/(L?h). P-ETS activity in spring was obviously higher than in autumn in Xiamen Harbour. Vertical distribution of P-ETS in Taiwan Strait was homogeneous at some stations in winter and in summer. An obvious daily variation of P-ETS activity was recorded at Stn 9837, high at midnight and low in the early morning. Significant correlation between P-ETS activity and Chl-a was observed. Results also showed that the ratio of estimated respiratory rate to photosynthetic rate varied seasonally, high in winter (0.41) and low in summer (0.12).

The progress of strategic environmental assessment （SEA）： Studies and practices in the mainland, Hong Kong and Taiwan of China

Strategic environmental assessment （SEA） is the process to evaluate, in a systematic way, the possible environmental impacts caused by decision making such as policy, plan, and program. It is of highly significance to improve decision-making. This article reviewed the researches on SEA as well as its practices in Taiwan, Hong Kong and the mainland of China. The regulations, methodologies, and effect of practices were compared. The regulations on SEA had been enacted at three places respectively. With the largest spatial area and rapid economic development pace, the mainland has carded out more SEA practices recently than the other two places, but their final effect still need to be confirmed. It was said that Hong Kong had acquired considerable experiences on SEA, while practice of SEA at Taiwan lagged behind.

港湾

他把车靠在路边，然后熄了火。他没有下车，而是坐在车里安安静静地看着眼前暮色中的村庄。

普陀区工商联团体会员溧阳商会 立足大上海 服务溧阳人

“如果你累了，请到这里来，一杯清茶，几缕阳光，释放你的心灵；如果你难了，请到这里来，一句安慰，几多沟通，为你排忧解难；如果你快乐，请到这里来，一句问候，几声笑谈，我们由衷的为你高兴；如果你成功了，也请到这里来，分享你的经验，给予其他兄弟会员以启……”这首名为《港湾》的诗歌，是普陀区工商联团体会员溧阳商会（以下简称“溧阳商会”）办会宗旨的真实写照。