冀津沿海风暴潮的分布特征及成因分析

本文收集整理了最近2045a的史料,论述风暴潮的时空分布特征及区域评价,分析风暴潮的成因及分类,提出风暴潮的预警要点．     

皖07井水位与地震关系初探

从分析皖０７井水位的映震能力入手,探讨地下水与地震的关系。文中着重对１９９６年１１月９日南黄海６１级等４次中强地震前该井水位的异常特征进行分析,并对该井水位映震的机理提出一些粗浅的看法。     

论城市气象灾害及防治对策

依据国内外城市气候的观测资料和分析研究文献，从合理利用城市气候资源和防灾减灾角度，首次论述了城市气象灾害种类（公共、特定和相关三大类9种）以及防治对策。     

浙江省灾害预防与经济协调发展的系统动态学模型

本文运用系统工程原理和系统动态学方法,构造了浙江省灾害预防与社会经济协调发展的系统动态学模型,并运用该模型对浙江省进行了初步的仿真研究,以寻求适宜的防灾政策。     

干燥箱内密封消解光度法测定化学需氧量

本文详细探讨了用干燥箱代替回流装置消解ＣＯＤ样品，然后用光度法准确测定ＣＯＤ值的实验方法；ＣＯＤ校准曲线采用苯二甲酸氢钾标准溶液制作。在实验确定的条件下作葡萄糖溶液的回收和实样对比试验，结果比较满意，证明该方法是可行的。     

总量控制模型在河流水质预测中的应用

本文根据卫河实际情况，采用总量控制模型对卫河水质中有机污染指标化学耗氧量（ＣＯＤ）和生化需氧量（ＢＯＤ５）进行了预测，取得了与实际监测数据较为接近的结果，其中ＣＯＤ预测精度达８５％，ＢＯＤ５预测精度则达到了９５％以上。该方法简便直观、易于掌握，具有较强的实用性。     

灰色消解模型的改进——z变换后的线性回归解法

针对文献中提出的灰色消解模型的建模方法进行了ｚ变换，然后改用线性回归的办法求解，实例验证后表明，模拟拟合状况一致，但计算工作量大为减轻。     

Using a Composite Membrane for Enhanced Sensitivity and Faster Response in On-line Membrane Extraction Microtrap Gas Chromatography

On-line membrane extraction microtrap (OLMEM) gas chromatography was used for continuous monitoring of volatile organic compounds (VOCs) in water. The aqueous sample flowed through tubular membrane and the VOCs selectively permeated through it. The permeated VOCs were stripped by a carrier gas and transported to a microtrap. The microtrap retained and concentrated the analytes before injecting into a GC. In this study, the performance of a composite membrane was compared with that of a conventional silicone membrane. The advantages of using the composite membrane were higher extraction efficiency and shorter response time. Extraction efficiencies as high as 95% were obtained for compounds such as toluene and trichloroethane.     

环境预测中的GAM模型

当原始序列属代数曲线型时，应用ＧＡＭ模型可以提高精度，从而避免进行ＧＭ（１，１）模型的残差修正二次建模。从分析ＧＭ（１，１）模型的缺陷着手，结合实例详细介绍了ＧＡＭ模型的思想形成和计算方法。     

The influence of irradiance on the biochemical composition of three phytoplankton species and their nutritional value for larvae of the Pacific Oyster (Crassostrea gigas)

Three species of phytoplankton grown at high (HL) or low light (LL) were fed as saturating rations to laboratory-reared larval Crassostrea gigas. Larval C. gigas fed diets of HL grown Chaetoceros gracilis and HL grown Isochrysis aff. galbana grew faster than those fed LL grown cells of the same phytoplankton species. Faster growth of C. gigas larvae was consistently associated with increases in the percent composition of short chain saturated fatty acids (FA) 14:0+16:0 in the HL grown cells. There were no consistent and significant differences between HL and LL grown phytoplankton cells in their content of carbon, nitrogen, protein, lipid or carbohydrate. Intraspecific increases in percent composition of essential fatty acids (EFAs), 20:53 and 22:63, in the phytoplankton were not associated with improvements in the growth or survival of the oyster larvae. Oyster larvae fed diets of Phaeodactylum tricornutum with a relatively high proportion of EFAs grew more slowly than those fed C. gracilis. In this experiment the proportion of dietary EFA 20:53 was negatively correlated with oyster growth rates. The faster growing oyster larvae contained relatively more of the FAs 14:0+16:0 which may be useful as measures of larval oyster condition. After a diet of one phytoplankton species for ca. 10 d, oyster larvae acquired distinctive FA profiles resembling that of their phytoplankton prey.