第29届奥运会青岛帆船中心陆域工程媒体中心地基处理技术

沿海复杂抛填地基处理一直是困扰地基施工的一大难题，介绍了第29届奥运会青岛帆船中心陆域工程媒体中心采用高压旋喷桩处理该类地基的成功实例，并对高压旋喷桩的设计和处理参数进行了论述。     

高压旋喷桩在第29届奥运会青岛帆船中心陆域工程Ⅱ标段深基坑围护中的应用

介绍了高压旋喷桩在第29届奥运会青岛帆船中心陆域工程Ⅱ标段止水帷幕和基坑支护设计及施工中的应用，对止水帷幕的没计及双重管高压旋喷桩的施工工艺进行了论述。     

High-order field theory and a weak Euler–Lagrange–Barut equation for classical relativistic particle-field systems

In both quantum and classical field systems, conservation laws such as the conservation of energy and momentum are widely regarded as fundamental properties. A broadly accepted approach to deriving conservation laws is built using Noether’s method. However, this procedure is still unclear for relativistic particle-field systems where particles are regarded as classical world lines. In the present study, we establish a general manifestly covariant or geometric field theory for classical relativis...     

Set－up of a Pure Electron Plasma Device

An electron Penning-Malmberg trap,which can confine an electron column and provide a good platform to investigate the cross-filed transportation of strongly magnetized electron plasma ,has been set up.With the device,an electron plasma with a density of 10^7 cm^-3 can be confined for a relatively long time.The structure of the trap,electron source,as well as the way how th measure electron plasma density profile and velocity distrbustion are introduced in detail.     

高压旋喷桩在奥运会青岛帆船中心陆域工程Ⅱ标段深基坑围护中的应用

介绍了高压旋喷桩在第29届奥运会青岛帆船中心陆域工程Ⅱ标段止水帷幕和基坑支护设计及施工中的应用，对止水帷幕的设计及双重管高压旋喷桩的施工工艺进行了论述。     

Characteristics of Langmuir Probe in Low Temperature, Weakly Magnetized Plasmas

The systematic Langmuir probe measurements for a weakly magnetized plasma have been carried out in the Linear Magnetized Plasma Device for different magnetic fields. By comparing the ion current density of probes with different sizes, the sheath thickness can be evaluated. It is found that while the ratio of cylindrical probe‘s dimension to ion Larmor radius is not more than 2, the model of probe for non-magnetized plasma is still applicable.     

大学生阶段性心理特征分析及教育策略

大学生在校期间的学习、生活,总体上可以分为入学适应、稳定发展和就业准备三个时期,不同时期的心理状况有所不同.在这三个时期中,大学生常表现出新生发展性危机,学习焦虑、情感困惑、择业彷徨这四个阶段性心理特征.针对不同阶段大学生的主要心理问题,构建课堂教育体系、发展指导体系、咨询辅导体系和危机干预体系来开展心理健康工作.     

洋茉莉醛的合成工艺改进

目的改进洋茉莉醛的合成工艺。方法以胡椒环、乙醛酸为原料,经缩合、氧化重结晶等反应制得洋茉莉醛。结果洋茉莉醛合成总收率50%,纯度99%。所得产品经熔点、质谱(MS)和核磁共振氢谱(~1H NMR)等方法确证。结论改进后的工艺操作简单,适合工业化生产。