管道中的

The chironomid larvaes enter the watersupply system through transmission pipeline.

水源中的红虫随输送管道进入给水系统，其在给水处理系统中繁殖并进入管网，对水质感官指标造成了重要影响。

The elastic stress diagram design method is behind the times and cant meet the command in practice.In the paper the author collected and analyzed a large amount of data about the SLRCP on several typical domestic model experiments and the projects in practice. By summarizing and analyzing the data, the author set up a typical computing model and analyzed the model by the software ANSYS, by reading the output data of the stress and the crack from the program, combined with the experimental results, the author summarized the destroy procession of the stock. The paper also discussed the influence of other main factors to the crack and the stress besides the internal water pressure, such as the concrete material, the dimension of stock and the way of laid-out steel bars.

本文通过对大量实际工程中的坝后背管资料的收集、归纳和分析，选取了具有代表性的计算模型；用有限元软件ANSYS计算了典型坝后背管结构在实际内水压力作用下的应力分布和裂缝发展情况；以国内几个有代表性的模型试验和有限元计算的成果为依据，分析了在内水压力作用下钢衬钢筋混凝土压力管道管壁裂缝的特点，并尝试总结出此种管道的裂缝出现的原因及其发展规律，同时确定了坝后背管结构极限状态的新的定义方式——以坝后背管的裂缝宽度来定义。

Knife-type valve: Features 1, ultra-structure length, saving materials, piping systems can greatly reduce the overall weight of 2, the effective space occupied by small, can effectively support the strength of pipelines can reduce the possibility of pipeline vibration 3, flashboard selected austenitic stainless steel, Corrosion performance greatly improved, which can effectively prevent the corrosion caused by gate leakage sealing diarrhea 4, on the use of flexible packing seal PTFE, sealing reliable, flexible and lightweight 5, the gate with Knife function, can effectively break the gates of all types of media objects

刀型闸阀：产品特点 1、超短结构长度，节省材料，可使管路系统整体重量大大减轻 2、占用有效空间小，能有效支持管道的强度，可减少管道振动的可能性 3、闸板选用奥氏体不锈钢，耐腐性能大大提高，可有效的防止由于闸板腐蚀引起的密封泻漏 4、上密封填料采用柔性 PTFE ，密封可靠、操作轻便灵活 5、闸板具有闸刀的功能，能有效的闸断介质中各类杂物

Though several leak detecting methods are available, they are not ideal inapplication scope, including responses speed and accuracy of leak localization. In thisdissertation, according to the conditions of pipeline transportation in our country,research is carried out on crude oil transported pipelines leak detection and locationtheory and the study on its supervisory system is given.

本文结合我国管道输送的实际情况，针对原油管道泄漏检测技术及其运行监测系统进行了深入的研究，主要进行了以下几个方面的工作：将小波变换技术引入到负压波特征拐点的捕捉，利用连续小波变换时间-尺度特性检测信号的奇异点，能够有效的检测出强噪声背景下的信号边沿，此外，还提出了负压波法泄漏检测中误报警消除的多种方法。

In the process of building up the system, all the following works are done: confirming the index system of the gas pipeline by the maximum quadratic mean deviation analysis, caculating the index weight by the means of AHP, bringing forward three easy and useful methods (TOPSIS, the effect function and the integration index) of the gas pipeline's engineering schemes' multi-valuation and at last the mathematical models of the maximum compatibility degree is introduced to integrate all the results of all methods above.

在构建这个系统的过程中，主要从事了以下一些工作：通过统计理论中的最小均方差法分析确立了输气管道指标体系；采用层次分析法对输气管道指标权重进行了分析计算；提出三种简单易行的用于天然气管道设计方案评价的新方法：理想点法、效用函数法和综合指数法；最后将决策理论中的最大兼容度模型用于输气管设计方案评价中。

Each of the four legs contains a simple screw jack with a ''.

四条腿中每个都装有一个简单的螺旋千斤顶，千斤顶中又有一个在两根管道中做伸缩操作的''。

Each of the four legs contains a simple screw jack with a thrust bearing that is operated telescopically inside of two tubes.

四条腿中每个都装有一个简单的螺旋千斤顶，千斤顶中又有一个在两根管道中做伸缩操作的推力轴承。

Mobile and stationary tubes have individual valves and safety devices but are manifolded together so that the customercan withdraw product from a single tube or several tubes at a time.

每个移动的和固定的管道都有自己的阀门和安全装置，但阀门和安全装置是并联在一起的，这样用户一次就可以从单个或几个管道中取出产品。

Pipe flow of fiber suspensions can be found in various industrial processions, such as the production of composite materials, environmental engineering, chemical engineering, paper making, and so on. The character of fiber suspension will play an important part in the quality of the production. So, it is significant to research on pipe flow of fiber suspensions.

管道内纤维悬浮流是各种工业生产过程中广泛存在的一种流动，其在复合材料制造、环境、化工、纺织和造纸等领域都有应用，且其特性对这些领域的产品质量起着重要影响，故对管道内的纤维悬浮流的研究有着重要的意义。

According to the problems encountered in drainage pipeline construction,from surveying and setting-out of pipe, excavation ,foundation treatment and other aspects practical quality assurance measures are summarized as well as construction quality control measures,which is significant to eliminate engineering quality defects.

针对排水管中常见的问题，总结了保证排水管材质量的措施，从测量放线、沟槽开挖、平基管座管道的施工等方面介绍了保证市政排水管道工程的施工质量措施，对消除工程质量缺陷具有重要的意义。

The labia have now been sutured together almost completely.The drains and the Foley catheter come out at the top.

此刻阴唇已经几乎完全的缝在一起了，排除多余淤血体液的管子和Foley导管从顶端冒出来。

To get the business done, I suggest we split the difference in price.

为了做成这笔生意，我建议我们在价格上大家各让一半。