查询词典 water main

Obtaining the qualitative factors,and achieve the conversion from qualitative to quantitative by the theory of quantification, and in combination with other quantitative factors. Then use SPSSto analyse its correlation and variance. In order to find the influence which the factor affect the water resources carrying capacity, eventually form the main factors for water resources carrying capacity of karst area.

通过对定性指标进行提取，并运用数量化理论实现了定性到定量的转化，并结合其它定量指标，再运用SPSS软件进行相关分析和方差分析，从而寻找其对喀斯特地区水资源承载力的影响程度，最终形成符合喀斯特地区水资源承载力演化的主导因子。

With the case study on Wanzhou in the three-gorges reservoir area, it had been studied and analyzed that the potentialities of exploitation and use on land and ecological safety by established land use database, and it had been revealed that serious loss of water and erosion of soil, ecological environment fragility, the water conservancy project submergence a large amount of land, arrannements of the numerous immigrations need a large amount of land, contradictory remarkableness among human and land, and the latent crisis by extensive management land were main crises and questions of the land use.

利用建立的土地利用现状数据库，以三峡库区最大淹没区万州为研究对象，对库区土地开发利用潜力及生态安全性进行了分析和研究。揭示了库区土地资源利用中存在的主要危机是水土流失严重、生态环境脆弱，三峡工程淹没土地多、移民迁建占地比重大、人地矛盾加剧及粗放经营土地带来的安全隐患等问题。

As for the runnel which is located at a karst zone with a high water level , external water load is the main one , and rock pressure is secondary

在岩溶富水区隧道地下水水头较大时，外水荷载是衬砌结构的主要荷载，围岩压力相对来说是次要荷载。

To meet the requirements of workability and high early strength of the concrete, the mix proportion of the concrete for main girder is designed with set retarding, high pumpability, high early strength in low water/binder ratio through optimization of quantities of binder and fly-ash, and optimization of water/binder ratio and sand ratio.

以混凝土的工作性和强度特别是早期强度为设计依据，通过胶凝材料用量、粉煤灰掺量、水胶比和砂率的优化，确定了兼具缓凝、早强、高强、易泵的主梁混凝土配合比。

It is also pointed out that overbank flood-induced deposition on flood plain is mainly caused by the transversal exchange of water and sand between the flood plain and the main channel. By water and sand diversion experiments performed in 2002, it is verif...

通过2002年的调水调沙试验，验证了漫滩洪水可有效增加平滩流量的认识，建议在下游泥沙还没有得到有效控制的情况下允许洪水在一定范围内漫滩，这样从长远来看对防洪是有利的。

It is well-known that sericin is the main pollutant in degumming water of silk mill which is high and thick organic waste water.

众所周知，丝绸厂精练废水中含有大量的丝胶，属于高浓度有机废水。

The main products are: Fan series, muffler series, valve-type series, aluminum alloy tuyere series, ventilation pipe series, cooling tower series, FRP winding series, water purification equipment, plumbing equipment, water tanks series, central air conditioner series, central air-conditioning fittings series, central air-conditioning unit series, the central air-conditioning fan coil series, power equipment, air-defense equipment and other products.

主要产品有：风机系列、消声器系列、阀类系列、铝合金风口系列、通风管道系列、冷却塔系列、玻璃钢缠绕系列、净水设备系列、水暖设备系列、水箱系列、中央空调器系列、中央空调配件系列、中央空调机组系列、中央空调风机盘管系列、电力设备系列、人防设备系列等系列产品。

The main works of this paper are as follows:Firstly, general methods of the ground water environment quality assessment are studied, and single factor pollution index method and fuzzy comprehensive evaluation method are applied into the pore-water environmental quality assessment of Kunming basin.

本论文的主要研究工作有：(1)研究了地下水环境质量评价的一般方法，并用单因子法、模糊综合评判法对昆明盆地孔隙水环境质量进行评价。

The two tree water consumption characteristics, Populus simonii and Robinia pseudoacacie, and the interactions mechanism with environment factors were both studied at the level of leaf and singletree in terms of the modern technology of heat pulse sap flow and thermal dissipation sap flow probe. The two main purposes of study are to provide the science evidence in estimating the ecologic water consumption rules and to arrange better densities of the two tree species stand.

本文以北京市官厅库区水源涵养林的主要造林树种：小叶杨、刺槐为研究对象，采用当前国内外最先进的热脉冲式树干边材液流测定技术和热扩散式树干边材液流测定探针测定技术，从叶片和单株水平上探讨了刺槐和小叶杨的蒸腾耗水特性以及它们与环境因子之间的影响机理，其结果不仅可为更精确地估计生态用水定额提供科学依据，而且也可为该区域这两种树种的选择及其合理林分的密度起到一定的指导作用。

Its main role is: prevention and remediation of water, air, sound pollution and solid contamination, water supply and sewerage engineering design, the design, research and development of new technology and new equipment.

其任务是掌握水、气、声、固体污染物的防治和治理、给排水工程设计、环境管理与修复以及环保领域新理论、新工艺和新设备的设计、研究和开发。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新