研究工程

Based on the analysis of material factor in crack control, combined with fundamental research, experimental research and enormous engineering practice, the material selection and mixing ratio of mass concrete is studied.

在对控制裂缝材料因素进行系统分析的基础上，结合基础理论研究、试验研究及大量工程实践，对大体积混凝土的选材和配合比设计进行了研究。

We can find the twofold values which reside in theory and practice by thinking the concept of Engineering Noumenon.

工程本体研究具有理论和实践的双重价值。日常语言的语义学研究给出了本体的一般解释，科学技术和工程学研究给出了本体的科学解释。

LITERATURE EVALUATION: Totally 214 related papers were collected, and 82 of them met the criteria, including 31 and 25 papers related to the use of omentum and growth factor in tissue engineering for urology respectively, and other 26 articles related to the use of seed cells for vascularization in urinary system.

利用多种手段进行材料血管化的研究是目前泌尿系统组织工程研究中的重点之一，但其研究尚处在起步阶段，多数报道仅处于实验室阶段，真正应用于临床的文献较少见。

Based on optimal control theory, an optimal trajectory method is proposed for analyzing the evolutionary algorithm in this paper.

20世纪90年代以来，演化计算在算法设计、理论基础和应用研究等方面均取得了许多进展，已成为信息科学、计算机科学、运筹学和应用数学等诸多学科所共同关注的热点研究领域[1-3]，其应用已在科学研究、工程优化设计、社会与经济系统的分析预测等众多领域广泛展开·因而演化计算的

Base on the problem of large quantity fatigue loads on corroded R.C. structure and small quantity study of its mechanical property, bending resistance fatigue test of corroded R.C. beams is discussed in this paper. The influence of stress ratio and re-bar weight loss ratio on bending resistance fatigue performance of corroded R.C. beams are researched, and the relation between strains of corroded re-bars and fatigue life of beams are obtained. The main research contents and conclusions are as following: 1. Under the fatigue loads, the overstrain of concrete approximately coincidences three stages strain development and accumulation rule, and the mechanical property of concrete is deteriorated. The fatigue damage of concrete is accumulated. The overstrain of re-bars increases and the increase rate decreases.

鉴于实际工程中大量存在腐蚀钢筋混凝土结构承受反复荷载作用，但其力学性能研究不多的问题，本论文进行了锈蚀钢筋混凝土梁抗弯疲劳试验，研究了应力比和钢筋锈蚀率对锈蚀钢筋混凝土梁抗弯疲劳性能的影响，得出了锈蚀钢筋的应变与构件疲劳寿命之间的关系曲线，主要研究内容及结论如下：(1)在循环荷载下，混凝土残余变形基本符合三阶段变形规律，力学性能劣化，疲劳损伤积累。

Based on the theoretical and practical combination, the cooperation function mechanism of the ozonization, activated carbon adsorption and biological degradation of the engineering bacteria in the treatment of the non-degraded organic wastewater was furthered, and a model for pollution removal by ozone immobilized biological filter was built, which provided the theoretical and scientific basis for the future further research and practical application.

文中首次从微生物生理生态学角度，研究了固定化曝气生物活性炭除污染效能和净化机理，在理论与实践结合的基础上，进一步研究了臭氧氧化、活性炭吸附与工程菌生物降解三者在难降解有机废水处理中协同作用机理，总结出臭氧固定化曝气生物滤池除污染模型，为将来的深入研究与实际应用奠定了一定的理论基础和科学依据。

The main achievements could be summarized as follows.1. The basic stress-strain characteristics and related physical mechanisms for sands under cyclic rotation of principal stress axes were investigated based on three kinds of drained tests including fixed principal stress axes, cyclic rotation of principal stress axes with magnitudes of principal stresses kept constant, and cyclic changes of principal stresses in both their axes and magnitudes. The main deformation behavior of sands with inherent anisotropy under cyclic rotation of principal stress axes with magnitudes of principal stresses kept constant was obtained in the following.

本文从试验研究、规律分析、数学建模和工程应用四个方面，对应力主轴循环旋转条件下砂土的变形特性进行了较为深入的研究，取得了如下主要研究成果：(1)基于对饱和砂土进行的主轴固定单调剪切、纯应力主轴循环旋转以及主应力幅值与应力主轴耦合循环变化的三类完全排水试验成果，分析和揭示了应力主轴循环旋转条件下砂土的基本变形规律，并探讨了其受力变形的内在机理。

If the fire resistance of concrete is increasing,the fire resistance of building structures is enhanced relevantly.

建筑结构耐火设计是消防工程和建筑抗灾设计的重要研究领域，结构材料耐火性的研究是建筑结构耐火研究领域的主要方向之一，作为主要结构材料的混凝土的耐火性一直备受重视。

The current situation of modem sanitary dumping engineering both at home and abroad are introduced. The topics in its study are discussed in detail; its problems and shortcomings are indicated. The development trend and research direction are also discussed.

笔者介绍国内外现代卫生填埋工程的研究概况，详细论述现有填埋场的研究内容，指出其中存在的主要问题与不足，并在此基础上探讨了该领域的发展趋势及研究方向。

Considering study of soil displacements law is precondition to study responses of pile foundation, soil displacements law around shield tunnel during tunnel construction have been studyed in chapter 3 of this thesis.

考虑研究盾构掘进过程中土体位移变化规律是研究基桩反应的前提，论文第3章结合南京地铁工程实例，研究了盾构施工中周围土体的位移规律。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！