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Architectural area of Guangzhou International Conference and Exhibition is about 400 000m 2, span of concrete floor is 30m×30m,and span of steel roof is 126 6m.

广州国际会议展览中心建筑面积达 40万m2 ，混凝土楼面跨度为 3 0m× 3 0m ，钢屋盖跨度达 1 2 6 6m ，建筑面积及跨度均为国内同类建筑之最，在结构设计中融合了多种新技术。

According to the characteristics of large span structure design, such as big diffrence of collumn force, large span and spacious roof, week linkness of different parts and large displacement of bearing, spacil structure methods such as different types of concrete pile with different length, suitable joint and bearing are adopted to achieve the economical and safe demand

提要］针对西北农林科技大学体育馆类大跨度空旷建筑结构的设计特点，如柱底内力差别很大、上部结构空旷、各部分之间的连接较弱、屋盖结构跨度大、支座位移大等，采取差异化的桩型和桩长，适当分缝，合理配置支座等有效的结构措施，达到既安全可靠、又经济性好的目的。

The top coal fracture is described distinctly under the condition of different roof span and mining technology parameters. Through orthogonal experiment of numerical simulation, the rational pretreatment span of hard roof is determined, and the rational working resistance of support is selected also. As a result: the hard roof is effectively controlled not only to protect the working face but also to promote the caving of hard top coal to increase the recovery ratio.

在有效控制坚硬顶板的基础上，利用数值模拟正交试验法，研究了采高、采放比、支架阻力、放煤步距等工艺参数对顶煤压裂效果的影响规律，从而对工作面工艺参数进行优化；并根据实验所得放煤方式对块体顶煤的适应性规律，选择&两硬&综放面的放煤工艺，从而形成了系统、完善的&两硬&条件综放工艺。

The temporary rails lay on the inner core of the just cast span and over small concrete blocks placed on the rebar caged on the span to be cast.

临时钢轨在已经浇注完的结构内和即将浇注的混凝土箱梁内钢筋上设的混凝土垫块上安装。

As to the short-span suspension bridge in little span, the numerical analysis method may be used for construction control calculation simply, and precision of calculation by numerical analysis method correspond to it by the finite element theory, meeting the demand of the construction control.

对于小跨径悬索桥，可以将计算简便的解析法用于悬索桥施工控制计算，而计算结果精度与有限位移法求出的结果相当，满足施工控制要求。

At present, many tall buildings have been built in China because of the constant development of economy, a lot of large-scale civil buildings such as marketplace, office building, industrial building need long-span and heavy load structure. So the traditional prefabricate structure has been already unable to satisfy the constant increasing need because of the shortcomings of short-span and low intensity concrete. If we don"t change the performance of the former prefabricate structure, it will be very swift that the prefabricate structure will be eliminated. Besides, the commodity concrete"s high development, the technology of concrete pump sending popularization and the development of nobonded presterss technology accelerate the shrink of prefabricate structure.

当前，我国由于随着经济的不断发展，高层建筑大量兴起，很多大型民用建筑如商场、写字楼、工业厂房等楼面都需要大跨、重载的楼板结构，因此传统的预制板由于适合跨度小、混凝土强度低等一些缺点，已无法满足不断发展的需要，如不改进原有预制构件的材料性能，将很快被淘汰，而且由于商品混凝土的飞速发展、混凝土泵送技术的推广及无粘结预应力技术的发展更加速了预制构件的萎缩。

We have Senkou Span B line on the way to the price if uptrend (Senkou Span B line is the border line of the cloud).

如果是涨势，Senkou Span B线正在接近价格。

To trade inside the cloud we are using Tenkan-sen line following the direction of the line and trading using Chinkou Span line signals: if Chinkou Span line is crossing the price curve from below to upward we have the signal to buy, and from above to below – signal to sell.

如果想在很大的云中交易，我们跟着Tenkan-sen线的方向做，使用Chinkou Span线的信号：如果Chinkou Span线和价格曲线的金叉买进，死叉卖出。

A four-story frame structure, with one span in x-coordinate and two-span in y-coordinate, is excited by white noise on top floor and the response data on every floor is analyzed.

对一个4层1跨2开间钢筋混凝土框架结构模型在顶点白噪声激励下的各层响应进行分析。

Infections such as malaria and septicaemia, which reduces the life span of red blood cells such as malaria and septicaemia, which reduces the life span of red blood cells.

传染病，如疟疾和败血症，从而降低了寿命红血球，如疟疾和败血症，从而降低了寿命红血球。

Objective:To compare the response control and attention of Schizophrenic patients with that of the healthy controls by Integrated Visual and Auditorycontinuous performance test. To quantitate the impairment of cognitive function in patients, and to explore the relationship between cognitive function and the severity of the disorder.

目的：探讨精神分裂症病人在IVA持续操作测试中的反应控制能力、注意力等，并与健康人进行比较，从而量化精神分裂症病人的认知功能损害，并进一步探讨其认知功能与疾病严重程度的关系。

Main effective factors including subcooling degree, mechanical vibration, gas hydrate reformation, environment temperature, noncondensing gas and surfactant are analyzed.

指出过冷度、机械振动、重复生成水合物、环境温度、不凝性气体、添加剂是影响气体水合物生成的主要因素，还对R152a水合物的放冷进行了实验研究。