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During design of pile raft foundation, reacting force raft board bottom is very important,and it not only suffers the stiffness influence of upper structure,and the degree of solidifying that still suffers the constantly change of base soil along with the increase of time reaches and the influence that time efficiency of base stiffness.

桩 -筏基础设计时,筏板底部的地基反力的确定是十分关键的,它不仅受到上部结构的刚度影响,还受到地基土的固结度随着时间的增长而不断变化及地基刚度的时效性等的影响。设计时其计算模型的建立又和桩-筏的刚度有关。根据地基土在桩-筏基础的作用下的实际受力状况,结合工程实例,提出桩-筏基础设计时简化计算的 3种模型及 3种型使用时的注意事项

We attached for the first time -NOBIN to Frechet-type dendron units. The syntheses of 16 kinds of dendrimer-based NOBIN Schiff-base ligands were achieved in a straightforward manner by simple condensation of -NOBIN with the corresponding salicylicaldehyde derivatives, of which 12 belong to the dendritic Schiff-base ligands and 4 belong to the non-dendritic Schiff-base ligands.

通过手性拆分获得了光学纯化合物NOBIN,首次将NOBIN手性单元连接到树枝状大分子中去,设计合成了四个系列16种新的NOBIN衍生的希夫碱三齿手性配体,其中4种为非树枝状手性希夫碱配体,12种为树枝状手性希夫碱配体。

The composite film appeared semitransparent and brown to yellow from optical microscopy. Results show that shorter time sol-heating results in thiner film with less surface roughness, less conglutination to base, and easily to disconnect, while longer time sol-heating results in thicker film with better conglutination to base and worse roughness. RDX distributes in the film everywhere on the whole but discretely on the scale of 2.4 μm according to EDS results. XRD curve of RDX/RF film shows the superposition of RF non-crystal bread curve and RDX crystals diffraction curve. RDX diffraction peaks are broadened and its crystal size is calculated to be lower to 43 nm.

实验所得薄膜半透明,呈棕红色至黄色;实验表明,溶胶恒温加热时间较短时,所得薄膜的单层厚度较小,较平整,但附着力小,干燥后易脱落;恒温加热时间较长时,所得薄膜的单层厚度较大,不易脱落,但表面平整性较差;能谱测试表明,薄膜中的RDX整体上分布较为均匀,但在测试点位间距为2.4μm的微观尺度上呈离散状分布;XRD测试表明,RDX/RF复合物薄膜表现为RF的非晶态馒头峰与RDX衍射峰的叠加,RDX衍射峰明显宽化,其晶粒度可低至43 nm。

In order to overcome the technological difficulties encountered in the course of insulation fault diagnosis on the base of dissolved gases analysis, several kinds of mathematic models and actualized methods are brought forward to improve the reliability and veracity of fault diagnosis of transformers. The research works are shown mainly as followings:1 A modified fuzzy multi-criteria method is brought forward for insulation fault diagnosis of transformer. Furthermore, a new method for insulation fault diagnosis is proposed on the base of fuzzy multi-criteria together with rule reasoning. With fuzzy diagnosis in the method, fault reasons are filtrated and then the reasons in low probability are prohibited, Moreover, the left reasons are testified by using rule reasoning and then final concludes are drawn in much less misjudge probability and better results.2 On the base of geometry characteristics of C- partition to sample set of DGA data of transformer, a method is put forward to compute effective radius of neighbor field of a sample, number of clusters and values of initial centers. Moreover, the fuzzy C- means cluster model with adaptive weight is brought forward in the first time and then the fault classifier is designed for insulation fault diagnosis of transformer.3 According to the weakness of the degree of gray of gray incidence, a new formula to compute DGI is put forward and then incidence order criterion is ascertained. Moreover, a new DGI model for fault diagnosis is proposed according to the further analysis to relationship between fault reason and content of oil dissolved gases of transformer.

为解决在应用油中溶解气体分析方法(Dissolved Gases Analysis,简称DGA)诊断变压器内部绝缘故障时所遇到的主要技术难题,论文提出了用于提高变压器故障诊断准确性和可靠性的数学模型及实现方法,主要研究工作如下:1)提出了一种改进的变压器绝缘故障诊断模糊综合评判方法;进一步提出了将模糊综合诊断与规则推理相结合进行绝缘故障诊断的方法,该方法采用模糊推理对故障原因进行"过滤",滤掉可能性极小的原因,然后进一步利用规则推理验证剩下的可能原因,得出最终结论,大大减少了误判比率,获得了较好的效果。2)根据以变压器DGA数据为特征量的样本空间的c-划分几何特性出发,提出了一种求取样本有效邻域半径和聚类数及聚类中心初值的方法,在此基础上,首次提出了一种自适应加权的变压器绝缘故障诊断的模糊c-均值聚类模型,并设计出故障分类器。3)针对常用灰色关联度的不足,提出了一新的灰色关联度计算公式及确定关联序的准则;并在此基础上,通过深入分析变压器发生绝缘故障时的原因与油中溶解特征气体含量的关系,建立了一种新的故障诊断灰色关联模型;通过实例分析证明,该方法能有效地诊断出变压器绝缘故障及故障部位,大大提高了诊断的准确性。

Our company is a professional granite manufacturer, mainly produces various specifications and various standards and measuring plate: angle square, feet, flat feet, surveying Block, V-block, parallel rules, such as granite box measuring, components, such as: coordinate measuring machine base, the base circuit board equipment, a variety of projector base, the company's projector to enter the base in Shenzhen and the Pearl River Delta region south by customers, U.S. Products are mainly exported to Germany, Spain and China Taiwan etc. countries and regions, and Machinery Factory Qingdao outpost set up a partnership sells its products in Japan, Germany, the test of DIN, JIS, product packaging in line with international export standards, at the same time The company has advanced production equipment, one large double-housing planer Units, bridge-type cutting machine 1 Units, Units 1 rail grinder, large CNC Drilling Units 1, 5 Units Vertical Drilling Machine, 10 tons lane 2, 5 tons lane 2 Department of 3 tons lane 2, and has 2000 square meters large thermostat workshop for high-precision measuring and cutting granite, laid the foundation meter.

我们公司是一家花岗石专业生产厂家,主要生产各种规格及各种标准的平板及量具:角尺、方尺、平尺、测量座、V 型块、平行规、方箱等花岗石量具、构件,如:三坐标测量机底座,线路板设备配套底座,各种规格的投影仪基座、本公司生产的投影仪基座打入深圳及南方珠三角地区,深受客户的好评,我们的产品主要销往德国、西班牙及中国台湾等多个国家和地区,并与青岛前哨机械厂建立了合作关系,其产品销往日本,德国,检验标准DIN、JIS,产品包装符合国际出口标准,同时本公司拥有先进的生产设备,大型龙门刨床1台、桥型切机1台、导轨磨床1台,大型数控钻1台,立式钻床5台,10吨行车2部,5吨行车2部,3吨行车2部,并拥有2000平方米的大型恒温车间,为高精度的花岗石量具、量仪奠定了基础。

At the same time, on the base of analysis of the present situation, the development trend and the leading edge technology, the necessity and feasibility about the exploitation of the full hydraulic bulldozer"s sate monitoring and fault diagnosis system is given; According to the structure, working feature and working environment, it works out system schema and system composition; The system is divided into display module, communication module and fault diagnosis module by means of block design, the implementation method and key parameter are also given; In light of the features of the full hydraulic bulldozer, the state monitoring and fault diagnosis platform composed of controller RC6-9 and display DI2/10 is designed based on CAN-Bus and the hardware design is completed; It lists the measured values and state of monitored parameters which should be real-time displayed in monitoring module as well as the data which will be transmitted; Furthermore, On the base of the study of, it gives 34 kinds of constant faults" diagnosis methods; Using BODAS software and DPS software, it compile the program code of the controller and the displayer; At last, this paper design and make the simulation test device of control system of construction machinery, through the experiment, the realizability, the categoricalness, the reliability, the stability and real-time are tested, in addition, the improved methods are given.

本文收集整理了国内外智能推土机研究的相关文献资料,综合分析了国内外智能推土机的研究现状、发展趋势和前沿技术,论证了开发全液压推土机智能系统的重要组成部分&全液压推土机状态监测与故障诊断系统&的必要性和可行性;根据全液压推土机的结构、作业特点和作业环境,制定了全液压推土机状态监测与故障诊断系统方案,确定了系统的结构组成;采用模块化设计方法,将整个系统分成了显示、通信和故障诊断三个模块,给出了各模块功能的实现方法,确定了各模块的关键技术参数:选用RC6-9和DI2/10作为系统的控制器和显示器,用CAN总线搭建了系统的通信平台,完成了系统的硬件设计;确定了系统监测参数和通信数据,对全液压推土机常见故障特征进行了分析,给出了34种常见故障的诊断方法;在BODAS软件和DPS软件的集成编程环境下,编写了控制器和显示器程序;设计并制作了工程机械控制系统模拟试验板,并在此基础上通过多次的程序调试与试验,对所设计的全液压推土机状态监测与故障诊断系统功能的可实现性、完备性、可靠性、稳定性和实时性进行了检验,证实了此系统的可行性,并提出了进一步的改进方案和措施。

This work contributed essentially to optimal planning of refinery management. A strategy for solving the decision problem of short—term refinery planning is proposed, that is, to obtain the real time information of unit operations and environmental conditions by means of computer simulation, to dynamically configurate and modify the decision model depending on both simulation and expert reasoning, to make decision analysis and short—term production plan with the aid of expert simulation system. In this paper, a new approach cellad ESDSS was proposed by integrating DSS and expert simulation system . As a case study of ESDSS, a so called RESDSS was constructed, which is composed of seven subsystems, namely: data base subsystem, model base subsystem, method base subsystem, knowledge base subsystem, experiment base subsystem, human computer interaction subsystem, and expert simulation executing subsystem. The main results and contributions of this work are as follows:(1) A novel approach of DSS named ESDSS was proposed, which integrates DSS and ESS.

本文关于炼油生产专家仿真决策支持系统原型的研究从炼油企业优化生产管理的角度出发,以&利用仿真技术获取装置操作和环境条件的动态变化信息,依靠专家方法仿真实现决策模型的生成和修改,凭借专家仿真决策支持系统辅助高层领导者实施决策分析和制定短期生产计划&作为炼油生产短期计划决策问题的求解策略,在综合考虑决策支持系统(Decision Sup-port Systems,简称DSS)和专家仿真系统(Expert Simulation System,简称ESS)特点的同时把这两个系统结合在一起而提出&专家仿真决策支持系统(Ex-pert Simulation Decision Support System,简称ESDSS)&这一新的构思。

In the second week,patients in respiratory alkalosis combined metabolic acidosis or respiratory alkalosis mixed acid-base disturbance,should be careful of the sharp type occur and treat it in time.When metabolic alkalosis occur or remove the block of the respiraˉtory,respiratory alkalosis disappear,indicate the disease recover.When some medicine involve acid balance is used must pay attention to the acid-base disorders,adjust it in time,when respirator is used in the treatment,be careful of the adˉjustment to the respiratory alkalosis and must control the pressure level rational.

患者病程2周内出现呼碱代酸或呼碱型三重酸碱失衡,应高度警惕发展为极重型的可能,积极加强治疗;出现单纯的代碱或排除气道阻塞、呼吸肌疲劳及机械通气因素造成的呼酸,以及呼碱消失,可能预示着病情开始恢复;应用某些药物时要随时注意酸碱失衡,及时调整或纠正;应用机械通气要着重对呼碱因素进行治疗,合理调整压力水平。

Design of a high-rise business-living building with double-tower structure with enlarged base ;2. Dynamic response analysis of an asymmetric two-tower tall storeyed building with enlarged base ;3. Based on the mode analysis and time-history analysis of two examples,the vibration characteristics of the connected twin-tower structures with enlarged base in vertical earthquake excitation was discussed in this paper,and the calculating results of the structures with or without connecter,both with enlarged base are compared.

采用平面杆系模型并用静力凝聚法消除结构耦联的水平自由度和转角自由度,结合两个算例的竖向振动模态分析和时程响应分析,探讨了大底盘双塔楼连体结构在竖向地震作用下的振动特性,对比了大底盘双塔楼结构有无连体结构形式的计算结果,得出了这种结构形式在竖向地震作用下的一些特性和具有参考价值的结论。

Optimal mixing ratio of SRA as delay forming agent in cement treated base is 0.05%-0.06%; the influence of compacting delay on strength and dry density of road base may be reduced by SRA additive, forming time may be delayed to 9h; after the forming time is delayed to 4h, 6h and 9h, the strength and dry density shrinkage of cement-treated base with SRA admixture are much less than that of those without SRA.

SRA用作水泥稳定粒料路面基层的延迟成型剂的最佳掺量在0.05%~0.06%:用SRA可降低因延迟压实对水泥稳定粒料基层的强度和干密度的影响,可把延迟成型时间延长到9h;在成型延迟4h,6h,9h后,掺入SRA的水泥稳定粒料的强度和干容度损失明显小于未掺外加剂的混合料在相同延迟成型务件下的强度损失。

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As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸,那乌黑、忧郁的眼睛,她便会相信,他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失

But because of its youthful corporate culture—most people are hustled out of the door in their mid-40s—it had no one to send.

但是因为该公司年轻的企业文化——大多数员工在40来岁的时候都被请出公司——一时间没有好的人选。