Numerous case reports and regional studies on swell and wind sea events have been documented during the past century. The global picture of these common oceanic phenomena, however, is still incomplele in many aspects. This paper presents a feasibility study of using colioealed wind speed and significant wave height measurements from simultaneous satellite seatterometer and altimeter sources to observe the spatial and seasonal pattern of dominant swell and wind wave zones in the world's ace.s. Two energy reIated normalized indices are proposed, on the basis of which global statistics of swell/wind sea probabilities and intensities are obtained, It is found that three welt-defined tongue-shaped zones of swell dominance, termed "swell pools," are located in the eastern Iropical areas of the Pacific, the Atlantic, and the Indian Oceans, respectively. Regions of intensive wave growdl are observed in the northwest Pacific, the northwest Atlantic, the Southern Ocean, and the Med-iterranean Sea. Seasonality is distinct for the climme of both swell and wind sea, notably the large scale northward bending of the swell pools in boreal summer, and the dramatlc shift of wave-growing extent from a summer low to an autumn high. The results of this study may serve as a useful reference for a variety of activities, such as ocean wave modeling, satellite algorithm validation, coastal engineering, and ship routing, when in furmation an swell and wind sea conditions is needed

采用一种高分子薄膜电容式湿度传感器做为测量系统的感湿元件实现SF6气体中微水含量的在线测量，并通过温度补偿、曲线拟合等方法提高测量的准确性。模拟试验结果表明：研究的在线监测系统能反映SF6气体中微水含量的变化，为在线监测系统的现场实施提供了良好的技术基础。

Because of being short of studing how to carve up the patterns of insulation faults in the field of transformer faults diagnoses, fuzzy classification theory was applied to the problem of dissolved gas analysis (DGA) in transformer oil. 183 fault samples were partitioned into a hiberarchy faults tree, and basing on which a new approach was presented for DGA, by which a insulation fault has to be diagnosed by stages. Through enhancing the veracity in every stages. a more accurate method was attained.

A detailed study on global oceanic precipitation is carried out using the simultaneous TOPEX and TMR (TOPEX Microwave Radiometer) data. It is motivated by he success of a series of feasibility studies based on a few years of TOPEX TMR data, and the availability of a decade-long new dataset thai spans I992-2002. In this context, a previously proposed rain probability index is improved by taking into account the dirfference of the dynamic range of the TOPEX-measured backscatter coefficients at the Ku and C hands and the lalitudinally compiementary sensitivities of the TOPEX and TMR rain detections, leading to a refined joint precipitation index, which is generaIly consistent and quantitatively compable with existing precipitation climatologies from the Global Preelpitafion Climatology Project (GPCP) and the Comprehensive Ocean-Atmosphere Data Set (COADS). The new TOPEX-TMR precipitation climatology, on the one hand. confirms the fundamental features of global oceanic rainfaIt with additional details, and, on the other hand, reveals a number of interesting characteristics that are previously unknown or poorly defined. 1) The spatial variability of the western Pacific "rain pool" (the atmospheric counterpart of the oceanic wan pool) is chacterized by an interannual zonal migration, an annual cycle of meridional seesaw. and a semiannual cycle of expansion and shrinking. 2) The Pacific, Atlantic, and Indian Ocean inter-pical convergence zones (ITCZs) all have RU annual cycle of cross-basin oscillation with east and west stops in JJA and DJE respectively. 31 A well-defined prominent rainy zone is observed in the southeast China Seas sound Taiwan Island, connecting with the Pacific rain pool in the south. 4) Between El Nifio and La Nifia years, there is a systematic sign reversal of the geographical distribution of precipitation anomaly, which exists globally rather than in the tropicaI oceans only. 5) On a global basis, interannual and annual precipitation variabilities are of the same magnitude, bul the interannual (annual) component is more important for the Southern (Northern) Hemisphere. 6) For the Tropical oceans, "season" defined by rainfall usually has a one quarter delay with respect to the corresponding meteorological season. For the "marine deserts" in the subtropical oceans, however, the raln-based season is found to be anticorelated with the meteorological season. In addition, the annual cycle of the Atlantic precipitation is nearly 180 out of phase with respeet to thm of the Pacific and Indian Ocean for the same hemisphere.

本文详细论述了变电站电气设备绝缘在线监测系统的原理，并详细介绍了油中溶解气体、介损、MOA阻性电流的监测方法。本文将在线监测到的油中溶解气体数据与离线预防性试验数据进行了比较，验证了在线监测装置的实用性，并成功预警了该变压器的一次内部热故障。变电站其他电气设备绝缘的长期监测数据稳定可靠，为绝缘维护奠定了基础，同时还对基于在线监测的绝缘维护技术进行了探讨。