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To give the definition of the mass concrete and to concrete\'s cracks together with practical meanings of control ,and give a brief review on the research in the field at home and abroad, at last, methods to control temperature crack of the mass concrete from several aspects such as design measures,concrets material, construction schedules.etc are summed up; To explain the physical mechanics of the concrete and computing methods-Difference Method and Finite Element Method, and illustrate the application of their specific methods repectively;Several temperature factors that can influence the temperature stress of mass concrete baseplate are analyzed. The influence degree of temperature factor can be got through the ANSYS simulation computation the control of temperature can control the temperature stress, consequently control the temperature crack of mass concert baseplate; through the influence of the crack resistance ability of mass concrete baseplate which takes the reinforcement as a part is analyzed. By ANSYS simulation, the best suited volume ratio of reinforcement is found out, at same time the layout of reinforcement with the same volume ratio can also affect the resistance ability of mass concrete baseplate. Sum up of above analysis, anti-crack function of steel bar in early mass concrete baseplate is obvious, so it\'s necessary to consider beneficial effect of construction steel bar in research of temperature control on mass concrete baseplate.

本文先容了大体积混凝土及混凝土裂缝的基本概念，对国内外在这个领域里的研究现状作了扼要叙述，并从结构设计、混凝土材质、施工措施等方面总结了大体积混凝土温度裂缝控制的方法及防止措施；阐述了混凝土的基本物理力学性能，总结了大体积混凝土温度计算的方法——差分法和有限元法，并分别举例说明其具体应用的方法；分析了影响大体积混凝土底板温度应力的几种温度因素，利用ANSYS模拟计算，得出了每种因素的影响程度，通过分析提出了在这几种温度影响因素下如何通过控制温度以达到控制温度应力从而来控制裂缝的具体建议；针对大体积混凝土基础底板中配筋的不同对混凝土底板抗裂能力的影响不同，利用ANSYS进行模拟分析，得出底板中最合适的体积配筋率，同时分析了在相同体积配筋率下钢筋的具体布置对大体积混凝土基础底板抗裂能力的影响，分析表明，配置钢筋对混凝土结构的开裂阻止作用明显，在研究大体积混凝土温度裂缝题目时，要考虑钢筋在其中的有利作用。

This paper describes a simple practical Excel 2003 drawing method for electronic circuit diagram,including how to build circuit diagram tool bar ,how to establish document icon,custom-made elements tools,and how to finish circuit diagram drawing,which has in certain extent solved the problem of electronic circuit diagram drawing in the text input process,and thus raised the.

文中从如何创电子线路图工具栏、设置元件图标、定制元件工具、绘制电子线路图等方面，为读者介绍了一种简单实用的Excel 2003绘电子线路的方法，基本解决了非专业人员绘制电子线路图的难题，从而提高了工作效率。

Shimisili is extemporaneous ground of in a state of excitement runs quickly continuously from car of los angeles drive city " barkentine river is pressed down ", try to explore him to use with metallic detector " cereal song map " the treasure site that discovers, confirm the whether true bury on heavy boat has many bullion treasure thereby.

史密斯立即兴冲冲地从洛杉矶驱车直奔得州"三桅船河镇"，试图用金属探测器探测他用"谷歌地图"发现到的宝藏地点，从而证实沉船上是否真的埋藏有大量金银宝藏。

Barnacles, mussels, algae and other types of shellfish grow on the boxcooler and thus affect its heat transfer function.

藤壶，蚌类，藻类和其他海洋生物生长在箱式冷却器中，从而严重影响了它的热转换功能。

This indicates the presence of the surface states on the surface of the barrier layer.

近期的研究表明，在GaN和AlxGa1-xN势垒层的表面存在表面态，这对GaN和AlxGa1-xN/GaN异质结中载流子的分布有显著的影响[8～ 11] ，从而对基于调制掺杂AlxGa1-xN/GaN异质结构器件的性能有着很大的影响，会降低载流子浓度和漏电流，减小器件的跨导和阈值电压。

For multilayer packaging, functional barrier layer was able to efficiently delay migration and assure food safety.

对于多层复合包装，阻隔层可显著减缓污染物层内化学物向食品的迁移，从而达到保证食品安全的目的，阻隔层厚度LR影响阻隔功效。

William Bartram, John Bartram"s son, was the first to achieve transcontinental literary fame and to become the founder of the American nature writing when he published his Travels in 1791, which described his "lonely pilgrimage to the American wilderness.

约翰·巴特姆的儿子威廉·巴特姆的《旅行笔记》描述了他在美国东南部荒野所进行的"孤独的朝圣"，形成了一种对荒野的审美观，从而使他本人成为第一位在欧美大陆文学界获得声誉的人和美国自然文学名符其实的奠基人。

Firstly, a spherical mesh with regular subdivision connectivity is constructed to partition the spherical domain into some small regions. Then the region, which contains the query point p, is found according to the position of p and selected as the search area for locating p. During the point location, the barycentric coordinates are used to extract local heuristic information about the location of p so as to find the shortest path from the start triangle to the target one containing p.

通过构造规则子分网格将原始球面网格区域划分成若干具有子分层次关系的查询小块；在进行查询前，根据查询点p的位置找到它所在的小块作为搜索区域，从而极大地缩小了查询范围；在查询过程中，根据重心坐标所包含的启发信息，选择一条从初始搜索三角形到目标三角形的最短查询路径。

People interested in losing weight should note that weight lifting can enhance muscle mass which in turns leads to a higher basal metabolic rate, which increases overall calorie burning over time.

人们感兴趣的减肥应该注意到，举重可以提高肌肉质量的轮流导致了较高的基础代谢率，从而增加总热量的燃烧时间。

According to existing production, the traditional thread can not provide a concrete frame from a macroscopical angle. Base on the existing production, the thesis provides a new thread to settle this issue.

综观现有的研究成果，其典型的"就事论事"的思路很难从一个宏观的角度为行政行为效力理论的构建提供一个具体的框架，从而显得散而无神。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。