我国部门减排行动可测量、可报告、可核实现状分析

通过一系列的部门政策和措施的论述,证明了我国各部门减缓政策和措施已经通过国内系统得到了报告和核证,显示了“可测量,可报告和可核实”（MRV）的实际部门应用,同时指出部门方案具有不同的度量、报告制度和核证程序,以及不同的减排效果。这些部门减缓行动的MRV特点为国际MRV的构建提供了案例基础。     

基于Web的流动地震监测数据库查询系统的设计与实现

介绍了基于Web的流动地震监测数据库查询系统的开发背景和目的,描述了数据库查询系统的设计和实现过程。该系统借助Internet/Intranet网络,以B/S(浏览器/服务器)体系结构作为基础架构,采用WAMP集成化软件开发,具有系统加密、数据查询、数据维护、数据导出和资料下载等功能。     

LN-3A水位仪记录的高采样率大震水震波特点及仪器改进

分析了海南前兆台网水位仪对苏门答腊M_S 8.7地震和我国四川汶川Ms 8.0地震的高采样率水震波记录情况,从中可较明显地看到地震波引起的井水位详细变化,但也存在水震波的丢头、仪器时间存在误差,第一代仪器水震波相互覆盖等现象,提出了在水位仪中增加在线缓存记录、自动定时校时功能等改进建议。     

Comparison of ciliature microtubule organelles in three hypotrichous ciliate species

We examined the structure and spatial organization of ciliature base-associated microtubules (BAM) in three hypotrichous ciliates (Stylonychia mytilus, Pseudourostyla cristata, Euplotes woodruffi) in fluorescence microscopy. The results revealed that BAM, including the anterior (ALM), posterior longitudinal microtubule (PLM) and the transverse microtubule (TM) bands, are composed of tubulin. The respective microtubular bands have cytoplasmic polarization patterns that are significantly asymmetric. The BAM of the midventral files in P. cristata appear cord-shaped compared with the ALM bands of transverse cirri in both S. mytilus and E. woodruffi, which extend to the left anterior side of the cell before converging. The TM bands of the left marginal cirri (MC) in S. mytilus extend to the right side of the cell, while those of the right MC bands extend to the left. Our observations suggest that BAM traits are common in hypotrichous ciliates even though different species possess different microtubule arrangements related to the conserved cirral morphogenetic patterns in the respective species. The differing development of BAM in the three ciliate suggests that the microtubules may be conserved in different hypotrichs. We have also demonstrated that the BAM, which appear polar and asymmetric, are localized in specific cytoskeletal positions and extend in different orientations within the cortex to connect with other ciliature-associated structures and, thus, strengthen the cortex. These BAM features indicate that they are directly associated with cell motion.     

Extracting urban areas in China using DMSP/OLS nighttime light data integrated with biophysical composition information

DMSP/OLS nighttime light (NTL) image is a widely used data source for urbanization studies. Although OLS NTL data are able to map nighttime luminosity, the identification accuracy of distribution of urban areas (UAD) is limited by the overestimation of the lit areas resulting from the coarse spatial resolution. In view of geographical condition, we integrate NTL with Biophysical Composition Index (BCI) and propose a new spectral index, the BCI Assisted NTL Index (BANI) to capture UAD. Comparisons between BANI approach and NDVI-assisted SVM classification are carried out using UAD extracted from Landsat TM/ETM+ data as reference. Results show that BANI is capable of improving the accuracy of UAD extraction using NTL data. The average overall accuracy (OA) and Kappa coefficient of sample cities increased from 88.53% to 95.10% and from 0.56 to 0.84, respectively. Moreover, with regard to cities with more mixed land covers, the accuracy of extraction results is high and the improvement is obvious. For other cities, the accuracy also increased to varying degrees. Hence, BANI approach could achieve better UAD extraction results compared with NDVI-assisted SVM method, suggesting that the proposed method is a reliable alternative method for a large-scale urbanization study in China’s mainland.     

瞬态瑞雷面波在压密注浆地基处理效果评价中的应用

目前,压密注浆处理软弱地基的质量检测方法以载荷板试验、标贯、轻便触探和静力触探为主,上述方法虽然精度较高但是难以用来进行普测.近期我们将瞬态瑞雷面波技术应用某工程压密注浆地基加固处理效果评价之中,取得了一定效果.     

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Research on wind-induced responses of a large-scale membrane structure

The wind-induced responses of a large-scale membrane structure, Expo Boulevard, are evaluated in this study. To obtain the wind pressure distribution on the roof surface, a wind tunnel test is performed. A brief analysis of wind pressure on the membrane roof is conducted first and then an analysis of the wind-induced responses of the structure is carried out using a numerical integral method in the time domain. In the process of calculation, the geometrical nonlinearity is taken into account. Results indicate that mean, RSM and peak values of the structure responses increase nonlinearly while the approaching flow velocity increases. Strong nonlinear characteristics are observed in the displacement responses, whereas the responses of nodal stress and cable axial force show minimal nonlinear properties when the membrane structure is subjected to wind loads. Different values of the damping ratio only have a minimal impact on the RSM response of the structure because the background component is a dominant part of the total dynamic response and the resonant component is too small. As the damping ratio increases from 0.02 to 0.05, the RMS responses of vertical displacement, nodal stress and cable axial force decrease by 8.1%, 6.7% and 17.9%, respectively. Since the mean component plays a significant role in the wind-induced response, the values of the gust response factor are not high for Expo Boulevard.     

井孔水温对远场巨震同震响应及其机制的数模研究

热量的流动必然伴随着温度的改变,地震活动期间的井孔水温同震响应也服从热力学的基本规律。本文以汶川8.0级地震和日本福岛9.0级地震为例,以海口ZK26井水温同震响应的观测数据为基础,运用热力学传导方程的数值模拟方法,研究了同震响应过程中井孔水温度变化与热量传导之间的关系及相关的热力学机制问题。通过正演的方法,得出沿井深方向不同时刻水温同震响应变化的数值模拟曲线,水温数值模拟曲线与实际测量数据一致。研究结果表明,井孔中水温同震响应方式（上升、下降或不变）,与水温传感器的位置、热源的位置和分布、传感器与热源之间的相对空间等因素有关。     

Residues,sources and tissue distributions of organochlorine pesticides in dog sharks (Mustelus griseus) from Zhoushan Fishing Ground,China

Ten dog sharks (Mustelus griseus) collected from Zhoushan Fishing Ground, China, were analysed for organochlorine pesticides in various tissues, including muscle, liver, skin, gill and fin, with the aim to study the residues, sources and tissue distributions of these chemicals in high trophic level marine fishes. The concentrations of DDTs, HCHs, and chlordanes varied from 7.27–26.62, 2.67–3.35, and 0.54–0.61 ng/g wet weight, respectively, with the estimated daily intake far below the acceptable daily intake and Chinese edible hygienic criteria. Data from the tissue distribution suggested a tendency of DDTs and chlordanes to accumulate in the liver, but for HCHs, direct gill penetration may be an important means of entrance. In addition, the compositional profiles indicated that the residues of HCHs and chlordanes mainly originated from the historical usage of these chemicals. However, the predominant maternal compounds and the o,p′-DDT/p,p′-DDT ratios reflected a recent use of dicofol.