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我国港口企业发展现代物流探讨 总被引：1，自引：0，他引：1
现代物流是现阶段港口企业在结构调整中的一个主流发展方向,从港口在当前状况下发展现代物流的战略意义、我国港口企业推动现代物流发展的优势、港口企业发展现代物流所采取的具体形式3个方面,对我国港口发展现代物流的重要性和策略进行了论述． 相似文献
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港口集装箱物流在国民经济发展中的作用日苴凸显,许多国家对此进行了深入研究,但多未涉及到物流过程的自然规律。受到近年来应用广泛的遗传算法、神经网络和水电比拟等方法的启示,注意到港口集装箱物流与自然界的流体运动具有相似性,故可采用流体力学方法来模拟港口集装箱物流的运动过程,以揭示港口集装箱物流的内在运动规律,找到物流过程中的敏感环节,最终达到优化物流过程的目的。对利用流体力学对港口集装箱物流进行模拟的研究方法进行了初步探讨。 相似文献
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港口物流和港口经济对腹地经济以及国民经济的促进带动作用日益突出，如何利用港口这个切入点发展腹地经济以及如何发展港口物流业来提升港口竞争力已成为各大港口的重要课题。文章利用2007年的统计数据对我国沿海各主要港口物流竞争力指标通过因子分析法进行横向比较，找出大连港物流竞争力的优势和劣势，为政策的制定和实施以及大连港物流竞争力的进一步提高提供依据。 相似文献
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基于Logistic模型的大连市经济与港口发展研究 总被引：1，自引：0，他引：1
对于港口城市而言,城市经济与港口运输相互影响,彼此制约。文章以大连市为例,借助Logistic模型,分析城市经济发展与港口运输的内在联系和演变过程,从定性和定量两个方面论述城市经济发展与港口物流运输的影响,为更好地指导城市经济与港口的发展提供依据。 相似文献
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加快青岛市港口物流发展的思考 总被引：2，自引：0，他引：2
港口物流在现代物流体系中占重要地位，并发挥巨大作用。分析提出了大力发展以港口为核心的现代物流是2l世纪青岛经济发展的重要战略选择的观点，并提出了加快青岛市港口物流发展的相应对策。 相似文献
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营口市位于辽宁省的中南部,面对渤海的辽东湾,背依鞍山市平原丘陵,东邻辽东崇山峻岭,西接盘锦市沿海平原,有辽河蜿蜒人海,海岸线绵延曲折。由于受海洋、河流的影响．营口市四季分明,气候宜人,蕴藏着丰富的滨海旅游资源,海蚀景观、地质珍迹、人文景观等资源各显异彩;尤其是海水浴场,条件极为优越,与国际上一流的海水浴场相比．毫不逊色,在某些特征上还稍胜一筹。 相似文献
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A. P. Tolstosheev 《Physical Oceanography》2009,19(6):358-365
A method for the estimation of the results of reconstruction of the trajectories of drifting buoys is proposed. It is based
on the comparison of the estimates of power spectral densities for the components of current velocity computed according to
three data sets: the data set of the coordinates of a drifting buoy with a built-in GPS receiver, the data set of coordinates formed on the basis of the first set but with data missing and observational errors
corresponding to the actual trajectory measurements by the Argos satellite location and data collection system by the Doppler method, and the data set of coordinates obtained as a result
of interpolation of the second set. As an example, we consider the procedure of realization of the proposed method and demonstrate
the efficiency of its application for the improvement of the reliability of reconstruction of the trajectories of drifting
buoys. 相似文献
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An attempt has been made to estimate the fishery potentials of the EEZ of India on the basis of data on primary and secondary production. The total column primary production and zooplankton production have been calculated to be 265·9 and 9 million tonnes of carbon per year, respectively. From these values the fishery potential has been estimated as 2·5 million tonnes per year. To this, if we add the estimated demersal fish catch, being 1·2 million tonnes per year, the total potential yield comes to 3·7 million tonnes per year. Since the present average total catch is about 1·6 million tonnes in a year, the fish catch could be doubled. 相似文献
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1992年，联合国21世纪议程提出了综合管理的概念，并认为它是海岸管理的最重要目标，而海岸管理的目的就是改进业已存在的管理实践的效率和效果。在21世纪议程的实施过程中，沿海国家面临着巨大的困难，即：为了使综合管理在实践中具有可操作性而建立适合的政府机构。韩国正是在国家范围和次一级区域进行这项工作的实验场所。这项工作的最重要成就是在1996年成立了具有综合协调各涉海部门职能的韩国海洋事务与渔业部（MOMAF）。这篇文章的内容主要来自于这些观察，即韩国政府为建立海岸带综合机制而进行了各种努力，特别是1992年联合国环发大会召开后到1997年初海洋事务与渔业部成立了海岸带管理处这段时间里开展的各种工作，文章重点在于评价在建立海岸带综合机制的过程中综合的概念是如何被应用并被挑战的。文章提出了在东亚地区沿海国家开展合作的可能区域的建议。 相似文献
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天然气水合物地球化学特征 总被引：4，自引：0，他引：4
天然气水合物是在低温、高压以及有足够气体供应条件下形成的一种天然气(主要为甲烷)与水组成的似冰状固态化合物。天然气水合物中包含的甲烷碳是全球甲烷资源的重要组成部分,是一种数量巨大的潜在能源[1]。而且由于甲烷的温室效应,天然气水合物分解释放的甲烷进入大气中会严重 相似文献
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I. E. Timchenko A. A. Primalenny V. D. Yarin E. F. Vasechkina E. M. Igumnova 《Physical Oceanography》2001,11(4):367-378
We use many-year archival observations of hydrologic and hydrobiologic state of the Sea of Azov for the identification of
the structure of a model of its ecosystem. The ecosystem model, supplemented with expert estimates of bioresource consumption
(fish reserve), contamination level, and possible ecologic fines for violation of the sea natural state, is formalized by
the method of system dynamics. Hereat, the major part of influence functions is found in terms of observational data with
application of self-organization algorithms. We also present the results of simulated experiments with the model of the ecosystem,
which enable us to analyse scenarios of its behaviour under the influence of various external factors (wind, river discharge,
water exchange with the Black Sea, etc.).
Translated by Peter V. Malyshev and Dmitry V. Malyshev 相似文献
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Values of root mean square slope 0 and its variations -0 are estimated using the brightness field of an image of the surface of the sea near a speck of light. When 0 and -0 are defined it is highly important to take into account direct as well as dissipated solar radiation.The space-time analysis of the structure of the image brightness field is performed. This gives an opportunity to estimate dispersion relationship and the running effect of a brightness contrast packet. Comparison of the parameters obtained with the theoretical dispersion ratio of internal waves (IW) allows one to make a conclusion that IW surface manifestations are recorded in a frame.UDK 551.463.5 相似文献
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We perform the numerical analysis of the long-wave response of the free surface of a fluid in a basin of variable depth to
the formation of an anomaly of the baric field for a finite period of time. In numerical experiments, we use the distribution
of depths typical of the south coast of the Crimea. We also study the dependence of the dynamics of the sea level in the zone
of the baric anomaly and in the shelf zone on the space and time scales of local changes in the field of atmospheric pressure
in the open part of the basin.
Translated by Peter V. Malyshev and Dmitry V. Malyshev 相似文献