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The primary studying works and characteristics:1 To summarize reinforcing theory of cement mixing pile composite foundation2 To analyze the primary mechanics characters and changing rules of cement mixing pile, based on analysis of test data both indoor and outdoor.3 To discuss siding frictional resistance, ending resistance, ultimate bearing capacity of simple mixing pile and effectiveness factor of grouped piles, loading ratio of soil between piles under cushion cap of grouped piles and stress ratio of pile and soil and so on, and use many computation method and experimentation method to ensure bearing capacity of mixing piles composite foundation.4 To point out and analyze eight sides flaws and problems of the bearing capacity calculation method of mixing pile compositefoundation which ensured by national and normative method/ formula.5 To apply test results of loading tests and a few settlement observation data, use gray theory to predicate ultimate bearing capacity of deep mixing piles, actual example demonstrate engaging between theoretical predicted value and actual value.6 To apply groovy layerwise summation method to discuss entity piles method, double foundation method, equivalent layerwise summation method and consolidation theoretical method and so on, especially by combination of engineering example, use FEM to calculate or discuss the settlement and changing rules of composite foundation.7 To discuss problems of critical length of composite foundation by combination of engineering example and numerical analysis method, and analyze the contrast of critical length between simple pile load and most area load of composite foundation, not only critical length of composite foundation is relative to modulus ratio between piles and soil, but also upside load distribution area of composite foundation.

主要的研究工作与特色为:(1)总结了水泥搅拌桩复合地基的加固原理;(2)在对室内外试验资料进行统计分析的基础上,系统分析了搅拌桩水泥土的主要力学特性及其变化规律;(3)探讨了搅拌单桩的侧摩阻力、端阻力、极限承载力及群桩效率系数、群桩承台下桩间土荷载分担比及桩土应力比等,提出用多种计算方并结合试验方来综合确定搅拌桩复合地基的承载力;(4)明确指出和分析了按国家有关规范的方确定搅拌桩复合地基承载力所存在的八个方面的缺陷与问题;(5)利用过去没有加载至破坏阶段的载荷试验成果和较少的沉降观测数据,尝试了用灰色理论预测深层搅拌桩的极限承载力,实例表明理论预测值与实测值吻合较好;(6)在常规分层总和的基础上,探讨了复合地基沉降计算的实体墩基、双层地基、等效作用分层总和、固结理论等,特别是结合工程实例,用有限元数值计算等方计算和讨论了搅拌桩复合地基的沉降及其变化规律;(7)结合工程实例,用数值分析方探讨了复合地基临界桩长的问题,指出和分析了单桩荷载下的临界桩长与复合地基大面积荷载下的临界桩长存在很大的差别,复合地基的临界桩长不仅与桩土模量比有关,而且与复合地基上部荷载分布面积有关。

The sporophore of Cordyceps militaris and the cordycepin content of intermediate products were monitored in the whole course according to the relation between fixed and mobile phases of solvents in a combination system of binary and quaternary solvents, in which the applied methods were successively supercritical fluid extraction, alcohol sedimentation, low-pressure normal-phase silica-gel chromatography, reversed-phase high-performance liquid chromatography and fractional crystallization.

根据溶剂的固定相与流动相之间的相对关系,采用了二元和四元组合的溶剂系统,顺次采用超临界流体萃取、醇沉、低压正相硅胶色谱、反相高效制备液相色谱、分步结晶和反相高效液相色谱,子实体及其中间产物中的虫草素含量变化情况。

Based on experimental results for conventional ultrasonic creeping wave,straight beam probe,small angle longitudinal wave,micro-paralleling creeping wave,an approach is proposed to select small angle longitudinal wave and micro-paralleling creeping wave to detect strut porcelain insulator.The choice of ultrasonic apparatus,probe and test block,the adjustment manner of working sensitivity and sweep speed,the principle of decision defect are presented.

在总结分析传统超声爬波、横波、普通直探头、小角度纵波斜探头和微型并联爬波等几种常用的支柱瓷绝缘子超声波检测方优缺点的基础上,通过试验分析了采用小角度纵波斜探头结合微型并联爬波探头对支柱瓷绝缘子进行超声波检测的工艺方,确定了用该对瓷绝缘子进行超声波检测的仪器、探头和试块的选用,探伤灵敏度和扫描速度的调整方以及缺陷判定的原则。

The theme of Hager s law philosophy ideology—the law as "the definite existence of free will" has developed from objective abstract law to law of ethics, an integration of objectiveness and subjectiveness, which determines the development of human social history.

黑格尔哲学思想的主旨脉络———作为"自由意志的定在"的,是这样的一个发展过程:它由客观的抽象经历主观的道德到完成主客观统一的伦理

If without dissipation, the propagation is essentially a symplectic transformation with one parameter, and, consequently, the numerical calculation methods of the propagation ought to be symplectic, too.

至今 ,已发展起来了许多方,如计算走时的射线追踪,计算全波场的有限差分和有限元等[1— 5 ],以及随后发展起来的其他方,如傅立叶变换[6 ]、小波变换[7,8]和各种结合算[9,10 ]等。

In order to analyze and find a feasible solution, this project aims to analyze the dilemma facing by it, to conduct a cognitive analysis to its affecting factors and to put forward practical strategies by documentary material, experts interview discussion, questionnaire survey, statistics analysis, logical deduction and tape-recording analysis.

为分析其原因及找出一条科学的可行解决方案,本课题在文献资料、问卷调查、专家访谈、数据统计分析、逻辑归纳、录像资料分析等基础上,对竞技太极推手所面临的困境进行了分析,对影响竞技太极推手运动发展因素进行了分析,提出切实可行的竞技太极推手发展对策。

Addressing to deficiencies of this method,optimum partition method which is widely used in mass analysis is developed to fit thermocline boundary calculation.

针对垂直梯度的不足,引入水团分析中的最优分割,对典型剖面,以及边界型、逆变型、多层型等几类特殊剖面的跃层边界分别进行了计算,并对垂直梯度与垂直梯度的计算结果进行了比较分析,结果表明最优分割确定的跃层边界更为合理。

To produce medicine serum of Liu-Shen-Wan with different dose, different time of pouring medicine, different time of blood sampling.2. To measure content of arsenic in serum with atomic absorption method, to qualitative analysis toadfish in medicine serum of Liu-Shen-Wan with thin layer chromatography.3. MTT and trypan blue assay detects the growth inhibition effect of Liu-Shen-Wan on HL-60 cells and to make certain the best scheme of making method of medicine serum of Liu-Shen-Wan.4. Gimsa dying assay observes morphology changes of apoptosis .In situ end-labeling method and flow cell machine quantificationally probes apoptosis phenomena.

1 分不同的给药剂量、给药天数和不同的采血时间制备含药血清。2 用原子吸收测定血清砷含量;薄层色谱定性检测六神丸含药血清中蟾酥成分。3 用MTT、胎盘蓝染色观察六神丸对HL-60细胞的增殖抑制作用,确定最佳血清制备方案。4 用吉姆萨染色观察细胞凋亡的形态学变化,流式细胞仪、原位末端标记定量检测细胞凋亡程度。

Triple exponential smoothing method and the combined of triple exponential smoothing method and Markov model both belong to time series method. Triple exponential smoothing method strongerly dependenced to short-term data. The combined method needed data which had more accurate; it must be the data of population quantity of many years continuously.

2三次指数平滑、三次指数平滑和马尔可夫链预测模型的组合预测方都属于时间序列分析,三次指数平滑对近期数据的依赖性较强,组合预测对数据的要求较高,必须是多年连续的种群数量变动数据。

The Markov forecast model, time series method (triple exponential smoothing method and a combined of triple exponential smoothing method and Markov model) and stepwise regression forecast method were choosed, and the basic principles and processes of the three models were analyzed and compared. Based on above, the three methods were used to predict population dynamic of Cricetulus barabansis and Meriones unguiculatus. The characteristic, accuracy and applicability of three methods were analysed and compared. The results showed that,(1) Markov model belongs to a middle-long time forecast model, and the result was interval forecast, but it reached the requirement of forecasting the harmful population dynamic of rodents. Through the forecasted population dynamic of Cricetulus barabansis and Meriones unguiculatus in 2004, the results were accurate; this meant that Markov model was a good forecast model to Cricetulus barabansis and Meriones unguiculatus population.

选择马尔可夫链预测模型、时间序列分析(三次指数平滑、三次指数平滑和马尔可夫链预测模型的组合预测)和逐步回归预测,对这三种模型的基本原理、模型的构建过程进行对比分析,在此基础上用此三种方预测了黑线仓鼠和长爪沙鼠的种群数量,并对三种方的特点、预测的准确度和适用范围进行了比较分析,结果表明:(1)马尔可夫链预测模型属于中长期预测,预测的结果为区间预测,但对于害鼠种群数量的预测来说已经达到要求,通过对2004年黑线仓鼠和长爪沙鼠种群数量的预测,预测的结果都比较准确,这说明对于预测黑线仓鼠和长爪沙鼠种群的数量动态,马尔可夫链模型是比较好的模型。

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推荐网络例句

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气,收缩臀部肌肉;拱起身体,尽量抬起头来,右腿伸直朝向天花板(膝微屈,以避免肌肉紧张)。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化,但却比去年同期高8%。

However, to get a true quote, you will need to provide detailed personal and financial information.

然而,要让一个真正的引用,你需要提供详细的个人和财务信息。