共查询到11条相似文献,搜索用时 15 毫秒
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看过M《海底总动员》的朋友,一定对影片中的主角小丑鱼尼莫和它的爸爸马林印象深刻。事实上,现在有不少喜欢饲养热带鱼的“渔民”,已经开始将色彩艳丽的小丑鱼放进了自家鱼缸。 相似文献
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The effect of river runoff over the northern Indian Ocean(NIO) especially over the Bay of Bengal(Bo B) has been studied using global Nucleus for European Modelling of the Ocean(NEMO). Two sensitivity experiments, with and without river runoff are conducted and the influence of river runoff on the Indian Ocean hydrography,stratification and circulation features are studied. It is found that due to river runoff surface salinity over the northern Bo B decreases by more than 5 and the East India Coastal Current strengthens by 2 cm/s during post monsoon season. The fresh river water reaches up to 15°N in the Bo B and is the main cause for low salinity there.Sea surface temperature in the northwestern Bo B increases by more than 0.2℃ due to the river runoff in summer monsoon while surface cooling upto 0.2℃ is seen in north-west part of Bo B in winter season. The seasonal mixed layer depth in the region is found to be dependent on river runoff. The effect of vertical shear and Brunt Vaisala frequency on stratification is also examined. The ocean water becomes highly stratified up to 3 035 m due to the river runoff. It is found that the energy required for mixing is high in the northern and coastal Bo B. 相似文献
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国内外城市生活垃圾处理概况 总被引:8,自引:0,他引:8
介绍了国内和国外工业发达城市生活垃圾的处理概况,包括垃圾的收集、运输和处理工艺及其发展方向,提出了国内在城市垃圾处理上存在的一些问题。 相似文献
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Rubakina V. A. Kubryakov A. A. Stanichny S. V. Mizyuk A. I. 《Izvestiya Atmospheric and Oceanic Physics》2022,58(1):54-67
Izvestiya, Atmospheric and Oceanic Physics - A study has been performed for the Black Sea basin investigating the properties of the vertical distribution of the daily temperature variation in... 相似文献
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中国枪乌贼性腺成熟度分期的初步研究 总被引:6,自引:0,他引:6
在枪乌贼整个生命周期的不同性腺发育阶段,生态特性有所差异;弄清这点,对捕捞的关系甚大。我国福建、广东、广西三省所捕捞的中国枪乌贼Loligo chinensis Gray主要是产卵群体;它们在生殖时,群体十分集中,形 相似文献
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王炳玉 《海洋地质与第四纪地质》1993,13(4):85-92
本文以辩证唯物主义为指导,运用系统理论来分析解决海域油气的“综合勘查”问题,不仅阐述了“综合勘查”的本质和原则,而且阐明一些新颖的反映“综合勘查”特征的概念。此外,还提出“综合勘查”就是“系统勘查”。 相似文献
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实现地震道零相位化的子波相位谱消去法 总被引:2,自引:0,他引:2
子波相位谱消去法是通过话因式分解并以最大的方差模为准则求得子波相位港,然后将其从地震造的相位谱中消去。与常相住校正方法相比,该方法不要求于波各分频的初相位角为常数。模型实验表明,该方法具有良好的稳定性和对主频变化的适应性,首尾于波的主频相差30Hz时仍能得出很好的结果,这就使得我们对地震道可一次进行全道处理,而不必进行分段处理;对于最小相位地震道及接近最小相位的混合相位地震道,该方法具有较好的容噪能力。对于最大相位地震道及接近最大相让的混合相位地震道,当记录的信噪比较高时也有较好的效果。 相似文献