利用2003~2013年秦皇岛海域海水质量监测区、海水增养殖区、赤潮监控区以及近岸海域生态监控区内的多站位实测数据,根据正态分布原......

Wavelet method is often used in analyzing trend and period of time sequence. When using wavelet method one serious probl......

[目的]为上思县甘蔗生产提供合理应对长时间冷雨灾害的措施和建议。[方法]在分析灾害天气情况和受害甘蔗的基础上，比较了受害情况下......

为了解洪水过境高水位长时段浸泡时,砂性土堤防能否稳定和是否发生渗透破坏等问题,文章以辽河干流右堤L112∶1+500典型断面为例,采......

刚刚结束的党的十七届三中全会，通过了《中共中央关于推进农村改革发展若干重大问题的决定》。对农村土地制度重新明确，并赋予农民土......

This paper presents the results of a study of long-time relaxation (LR) and residual conductivity in n-type gallium phos......

利用批量 pH 滴定试验来确定武钢转炉钢渣的长期酸中和能力。试验结果表明,武钢转炉钢渣的酸中和能力主要取决于反应时间。滴定500......

In this paper, we first provide a generalized difference method for the 2-dimensional Navier-Stokes equations by combing......

A localized space-time method of fundamental solutions(LSTMFS)is extended for solving three-dimensional transient diffus......

In the process of site selection and the facility construction in power engineering, the geological conditions of the fo......