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A mathematical model of the direct chill casting process for superlight Mg-Li alloy (LA141) slab has been developed using the finite differential method. Thermal boundary conditions including primary and secondary cooling conditions, have been selected based on knowledges of the physical process and the literatures. The variations of heat transfer coefficient between slab and dummy block interface resulting from the deformation of the slab have been considered.

中文摘要：运用有限差分法，对超轻Mg-Li合金（LA141）板坯直冷连铸过程温度场进行数值模拟，根据实际过程的物理现象以及文献资料确定包括一冷区、二冷区在内的边界条件，并且考虑底模与铸坯之间随着铸坯的变形而引起的换热系数的变化。

With the intelligent adaptive decoupling control technique employed, the whole intelligent adaptive decoupling control system is designed for coal-pulverizing systems with ball-tube mill and storage bunker. This control system has been realized on the I/A Series DCS of Foxboro, and applied to the coal-pulverizing systems with bali-tube mill and storage bunker in Jinzhou Eastern Power Co. Ltd.,. The automatic control problem has been successfully solved and satisfactory control results have been obtained.

采用智能自适应解耦控制技术，我们设计了完整的基于美国Foxboro公司的I/A Series集散控制系统的针对钢球磨中储式制粉系统的智能自适应解耦控制系统，并且在锦州东港电力有限公司的钢球磨中储式制粉系统上进行了工程实施，成功地解决了钢球磨中储式制粉系统的自动控制问题，取得了令人满意的控制效果。

The paper, concerning the characteristic of engineering and geology, studied the creation of the Xiaolangdi multipurpose project safety-monitoring system. A zoned monitoring system under the control of unique baseline has been proposed. Manu possible monitoring methods, especially, the accuracy of collimation axis、 intersection、 olar coordinate, have been studied in detail to provide the theory foundation of the application of intelligent otal-station instrument automatic monitoring system on Xiaolangdi project.The application of intelligent otal-station instrument, TCA2003, and digital water level,DiNil2, on the dam safety monitoring as well as data automatic recording have been researched extensively. All this research provide the valuable experience to in-situ data collection, automatic transferring, data analysis and treatment and management.

本文结合小浪底工程特点和地质情况，研究了小浪底水利枢纽安全监控基准体系的构建，提出了统一基准控制下的分区测控系统思路；详细研究了可用于小浪底大坝外部变形监测的多种方法，重点分析了极坐标法、交会法和视准线法的精度，为智能型全站仪自动监测系统在小浪底的应用提供了理论依据；重点研究了自动全站仪TCA2003和数字水准仪DiNi12在大坝安全监测中的应用；同时研究了测量信息自动化采集处理系统，为外业监测信息的采集、自动传输和及时处理、管理创造了有利条件。

The method of object-oriented power network topology analysis based on compartment knowledge has been put out. Contingency aggregate and pre-screening method are combined to applied in automatic contingency selection. Contingency performance index has been modified in view of contingency probability. The programme such as contingency aggregate and contingency screening has been compiled.

提出基于间隔知识的面向对象结线分析方法；把预想故障集合和预筛选结合起来运用于预想故障自动选择，结合故障概率对故障行为指标进行修正，开发了预想故障集合和故障扫描等程序。

This paper gives a detailed description of the properties and harmfulness of dust, the kinematic features of dust and the present situation and technical level of wet dust collectors both at home and abroad, a new type of wet cyclone dust collector has been successfully developed on the basis of the mechanism of wet cyclone dust collection, the theory of rotary airflow field and the similar model test results of the main components of wet cyclone dust collectors by the predecessors, all performance indexes of this new dust collector conform with requirements, it has been applied in Sichuan Changyun Cement Plant and better results have been obtained.

本文详细论述了粉尘的性质和危害、粉尘的运动特性和国内外湿式除尘器的现状及技术水平，在湿式除尘机理、旋转流场理论和前人对湿式旋流除尘器各主要部件的相似模拟试验结果的基础上，成功地研制出各项性能指标均达到要求的湿式旋流除尘器，并在四川省长运水泥厂进行了现场应用，取得了良好的效果。

One day everyone in the Wanzi Xi, a sudden power outage, this has been because of love pretty girls, has been with contact lenses, the doctor told her that if she had been with contact lenses, the retina will become gradually thinner, a day blindness .

有一天大家都在上晚自习，突然停电了，这个女生因为一直爱漂亮，所以一直带隐形眼镜，医生告诉她，如果她一直带隐形眼镜的话，视网膜会逐渐逐渐变薄，有一天天会失明。

By the mechanics analysis of pumping rod, the calculation model of the mechanics analysis of pumping rod and neutrality point of oil tube have been established. The function of pumping rod bend space length and account method have been derived and analysis example have been completed. The simulation of wellbore trajectory and the deformation curve of sucker rod and oil tube is also given.

论文对机械磨损和腐蚀对偏磨的影响进行了分析，通过对抽油杆和油管的力学分析，建立了下冲程抽油杆、管柱下部受力分析与中性点计算模型；给出了抽油杆变形的影响因素，建立了油井井身轨迹、抽油杆和油管在油井中的变形曲线模拟软件。

Secondly, more and more researchers have found that the change of ST segment in Electrocardiogram has close relations to the majority of the cardiovascular disease, so electrocardiogram signal pretreatment methods, including 4 point averaging filter, slide averaging filter, first difference, second difference, have been designed; With this foundation, detection method based on the second difference variable threshold to detect R wave in electrocardiogram has been designed, and heart rate has been calculated accurately.

其次，由于越来越多的研究者发现心电图中的 ST 段的变化与大多数心血管疾病都有着紧密的联系，因此，本课题设计了心电信号预处理方法，包括 4 点平均滤波、滑动平均滤波、一阶差分、二阶差分等；在此基础上，设计了基于二阶差分可变阀值检测方法来检测心电波形中的 R 波，计算出了较为准确的心率值。

Problems porduced in the application of manipulator for dipping EPC patterns into coating have been introcuced with effective solutions that an optimal route of manipulator in the space has been designed in accordance with technology requirement of dynamic dipping and mode parameter and machine instruction have been obtained by method of teaching and programming.Hence the whole dipping process being finished by motion of manipulator via controllet.

介绍了机械手在消失模铸造模样浸涂应用中出观的一些常见问题，并提供了行之有效的解决办法结合消失模铸造模样动态浸涂的工艺要求，设计出机械手在空间运行的最佳轨迹，运用示教和编程技法获得机械手运行的模态参数和机器指令，经由控制器驱动机械手抓取消失模模样并完成浸涂涂料的全过程。

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你是 进化不完全的生命体，基因突变的外星人，幼稚园程度的高中生，先天蒙古症的青蛙头，圣母峰雪人的弃婴，化粪池堵塞的凶手，非洲人搞上黑*的后裔，阴阳失调的黑猩猩，被诺亚方舟压过的河马，新火山喷发口，超大无耻传声扩音喇叭，爱斯基摩人的耻辱，和蟑螂共存活的超个体，生命力腐烂的半植物，会发出臭味的**人，&唾弃&名词的源头，每天退化三次的恐龙，人类历史上最强的废材，上帝失手摔下来的旧洗衣机，能思考的无脑袋生物，损毁亚洲同胞名声的祸害，祖先为之蒙羞的子孙，沉积千年的腐植质，科学家也不敢研究的原始物种， 10倍石油浓度的沉积原料，被毁容的麦当劳叔叔，像你这种可恶的家伙：只能演电视剧里的一陀粪，比不上路边被狗洒过尿的口香糖，连如花都帅你10倍以上，找女朋友得去动物园甚至要离开地球，想要自杀只会有人劝你不要留下尸体以免污染环境，你摸过的键盘上连阿米吧原虫都活不下去，喷出来的口水比SARS还致命，装可爱的话可以瞬间解决人口膨胀的问题，耍酷装帅的话人类就只得用无性生殖，白痴可以当你的老师，智障都可以教你说人话，只要你抬头臭氧层就会破洞要移民火星是为了要离开你，如果你的丑陋可以发电的话全世界的核电厂都可以停摆，去打仗的话子弹飞弹会忍不住向你飞，手榴弹看到你会自爆，别人要开飞机去撞双子星才行而你只要跳伞就有同样的威力，你去过的名胜全部变古迹，你去过的古迹会变成历史， 18辈子都没干好事才会认识你，连丢进太阳都嫌不够环保反正横竖一句话：别让我再看见你，要是见着了你，我一定要把你灭了！

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。