排序方式： 共有106条查询结果，搜索用时 15 毫秒
91.
民族地区高校学报要充分利用本土人文历史资源、民族文化特色资源和新时期学术建设资源,大力创建和创新特色栏目,精心呵护,使其稳定、健康成长,建立、健全期刊长远规划,培育期刊核心竞争力,走可持续发展道路,充分显现期刊品牌影响力。 相似文献
92.
粉喷桩强度特性的确定与评价 总被引：5，自引：0，他引：5
自从20世纪80年代以来，粉喷桩在软土地基处理中得到了广泛的应用，加固体的质量和强度是评价粉喷桩加固效果的主要参数，本提出了标准贯入试验标准方法，并给出了粉喷桩的测试结果，研究表明标准贯入试验是一种简单而有效的粉喷桩检测和评价方法，得到了沿桩长方向的强度特性及标准贯入试验击数和无侧限抗压强度之间有着良好的对应关系。 相似文献
93.
学术期刊创新性的探讨 总被引：2，自引：0，他引：2
张改兰 《唐山师范学院学报》2006,28(4):86-87
学术期刊要达到更高层次的创新,必须首先转变编辑的职业风格,重视提高编辑的职业素养,加强业务专业知识的学习,培养编辑的智能技能,从而建立创新学术期刊工程的平台,以改变“全、散、小、弱”的现状,实现“专、特、大、强”的宏伟目标。 相似文献
94.
HUANG Da-zhi CHEN Long-zhu 《浙江大学学报(A卷英文版)》2007,8(11):1746-1753
The principle and process of parallel seismic (PS) testing for the integrity testing of cemented soil columns are in- troduced in this paper. A three-dimensional (3D) finite element model (FEM) for the pile-soil system is established for impulse responses. Under saturated soil or unsaturated soil condition, several vibrating velocity-time histories at different depths in parallel hole are obtained based on the numerical simulation. It shows that the length of the pile and the one-dimensional (1D) P-wave velocity in the pile can be determined easily from the features of the mentioned velocity-time histories. By examining the slopes of the first arrival time plotted versus depth or the depth where the amplitude of the first arrival significantly decreases, the length of the pile can be determined. The effects of the 3D P-wave propagation through the saturated soil and the defect of the cemented soil column on the velocity-time histories are also investigated. 相似文献
95.
The symbolic construction of social realities: A case study in the rhetorical criticism of paradox 总被引：1，自引：0，他引：1
James W. Chesebro 《Communication quarterly》2013,61(2):164-171
This essay explores the possibility that a rhetorical figure can create, maintain, and mediate a perspective of reality or worldview. By way of an extended example, the rhetorical figure of paradox is cast as an organizing construct, creating a kind of “order”; or logic among experiences and phenomena typically felt to be at odds with one another. The ways in which a “paradoxical worldview”; can come into existence syntactically, semantically, and pragmatically are specified. In addition, the range of reactions to a paradoxical worldview, for both users and non‐users are described. The essay concludes by identifying prototypes, parameters, and evaluation principles for the analysis of paradoxical worldviews. Thus, this analysis ultimately posits that any rhetorical figure can theoretically generate and control a worldview. 相似文献
96.
钉形水泥土双向搅拌桩在宁波地区的应用与评价 总被引：1，自引：0，他引：1
首先对宁波轨道交通工程1号线一期天童庄车辆段与综合基地地基钉形水泥土双向搅拌桩处理的设计、施工工艺进行介绍。经过三次试桩,确定了钉形水泥土双向搅拌桩的施工参数,并对搅拌桩进行取芯检测和单桩复合地基承载力试验,结果表明:钉形水泥土双向搅拌桩的桩身强度不一致,从桩顶至桩底呈阶梯性逐渐衰减,且结果离散性较大;单桩复合地基承载力特征值满足调低后的120 kPa要求。最后,提出了减小钉形水泥土双向搅拌桩设计桩长至15～18 m、增加搅拌次数、改变注浆位置、提高机械功率等方面的优化措施。 相似文献
97.
利用ANSYS模拟四根不同配箍率的高强混凝土轴压柱,分析了各柱的裂缝图和应力应变曲线。结果表明,随着配箍率的增加,柱的延性和承载力可以得到提高;较好的验证了文献中的箍筋作用机理。 相似文献
98.
名牌栏目的集聚效应和扩散效应是一对相辅相成的效应,应该从知名学者的集聚、优秀文章的集聚、忠实读者的集聚、社会舆论的集聚角度,加强和巩固名牌栏目的集聚效应;从作者的扩散、文献的扩散、栏目的扩散、期刊的扩散角度,促进和加快名牌栏目的扩散效应. 相似文献
99.
王小风 《天水师范学院学报》2008,28(6):125-129
当前日益激烈的学术竞争使特色栏目的设置成为地方高校学报谋求自我发展的有效手段.辑录全国50多家地方高校学报特色栏目设置的现状资料,分析得知:由于地方保护主义意识对学术独立性的干扰,及特色栏目设置"为特色而特色"的不自觉表现,使目前地方高校特色栏目的设置不尽如人意.针对问题,提出学术独立,学术为本;专家主持,打造品牌;以研保发,以发促研等对策促进地方高校学报的特色栏目建设. 相似文献
100.
Two algorithms based on an integral equation formulation of the buckling optimization problem are formulated and implemented. The objective of the optimization is to maximize the buckling load of an elastically restrained column by optimally designing the cross-sectional area subject to a minimum cross-section or maximum stress constraint. The first approach involves solving the resulting integral equations iteratively taking into account the boundary conditions, the optimality criterion and the imposed constraints. In the second approach an iterative finite difference approximation scheme is developed.The column is elastically restrained at both ends which produce the simple support and clamped end conditions for the limiting cases leading to the optimal design of columns under general boundary conditions. The above problems do not have analytical solutions due to the complexity of the boundary conditions, constraints and the optimality conditions necessitating the formulation of computational schemes for their solution. Several numerical results are given and compared with available results in the literature. Moreover the accuracy of the methods is studied by comparing the iterative solutions with finite element ones and with exact results when available. 相似文献