水力的

The characteristics of nitrogen fixation, ammonification , nitrification and denitrification in coastal zones;2. Study on ammonification rate and slow release performance of urea;3. The results indicate that, with HRT of 8?h and temperature of 35℃, the COD removal rate is beyond 80%, the removal rate of TN about 8%, the ammonification rate of organic nitrat.

试验表明：厌氧附着膜膨胀床反应器处理乳品废水，在水力停留时间为8h、中温35℃条件下，COD去处率达到80%以上，对总氮的去除约为8%，出水有机氮的氨化率达70%以上，ρ/ρ由进水的0 5提高到0 8以上。

Based on the previous studies and combined with the national important scientific special item—the projection of water environment improvement and comprehensive demonstration in Suzhou city. The influence to water quality melioration under different conditions of packing types, stuffing rate, air supply and hydraulic loading using water of Miaojia river as experiment water sample; the water contaminate removal ability by the absorption and interception of charcoal filling and the research of the denitrification rate of charcoal filling were discussed in the paper. Furthermore, the activity of the biofilm on savageness and artificialness filling surface in the projection demonstration riverway were also analyses.

本人在总结前人研究的基础上，结合国家重大科技专项——苏州城市水环境质量改善与综合示范项目，研究了不同填料基质、填充率、曝气量、水力负荷条件下生物填料对苏州城市重污染河道水质的改善效果；木炭填料吸附、截留作用对水体污染物去除能力及其反硝化脱氮能力；分析了项目示范区河道内天然填料及人工填料挂膜成熟的生物膜活性。

Rhododendron simsii Planch, Aspidistra elatior Blume and the Chamaedorea elegans Mart on the surface constructed wetland on the condition of letting them stay in water from 1 to 7 days.

结果显示，6种植物湿地系统对二级出水中NH3-N、TP的去除效果存在差异，但随着水力停留时间的加长，各系统的总体变化趋势较为接近。

The predict model of hydro-performance of axial flow pump is established on the basis of numerical simulation.

在三维数值模拟的基础上，建立了考虑粘性及间隙影响的轴流泵叶轮水力性能的预估模型。

This paper is finished on the base of the experiment for the hydraulic natures of the quarter-circular breakwater.

中文摘要：本论文是在开展圆弧型防波堤的水力特性物理模型试验的基础上完成的。

The computational technique of the collocation method and the effectiveness of the method to different transport problems are discussed.

本文的工作还有助于探索如水力机械汽蚀的电磁学机理等多相流动的某些复杂机理。

According with 7th edition of API 610 standard, the performance and scope of application of chemical process pumps of model ZA and ZE are introduced, including series specifications, structural characteristics, hydraulic characteristics, and auxiliary system of common mechanical seal.

依据API 610第7版标准，综合介绍了ZA型、ZE型化工流程泵的性能和使用范围；阐述了其系列规格、结构和特点以及水力特性；详细介绍了常用的适用于介质端密封、串联密封和双端面密封结构型式的4种机械密封辅助系统。

In this paper,hydraulics principle and empirical formula are used in hydraulic calculation of flow in different forms of side ditches and water drainage capability of open water outlet in continuous gradient and concave vertical curve bottom.

利用水力学原理和经验公式，对不同形式的边沟流量和开口式排水口在连续坡度上及凹形竖曲线底部的排水能力进行了水力计算，并采用修正法计算了不同形式的边沟水流量。

The new method of solving the hydraulic fracture moveable boundary problem by use of the method of the conformal transformation and body-fitted coordinate is put forward; according to the law of continuation, the transformation from the control equation in the physical plane to the calculation plane is completed, and two dimensional fluid field numerical simulation in the fracture is also finished.

提出了利用保角变换和贴体坐标变换处理水力裂缝动态边界问题的新方法，根据链导法则完成了物理域控制方程向计算域平面的转换，实现了二维流场的数值模拟； 5。

It is very difficult to estimate the effect due to such a reduction of cross-sectional area.

模型的糙度是任选的；其他的水力要素，根据滿宁公式按此例求得。

The reasons of iron ions content overproof in grade Ⅱ desalting water system,such as variation water quality,contamination of regenerant , operation adjustment of pretreatment system and switching operation of bed were discussed.

对二级脱盐水系统中铁离子含量超标的原因，如来水水质发生波动、再生剂受到污染、预处理系统操作调整、床体运行切换等进行了论述。

You were hired to drum up new business, so go and do it.

公司雇你招徕新业务，你就做你的事好了。