查询词典 water system

Methods The design of the measurement and control system of multipurpose water tunnel is introduced in this paper, including system structure and technical features.

系统的设计运用现代控制理论和测试技术，采用双闭环控制结构和面向对象的方法进行系统开发。

Methods\ The design of the measurement and control system of multipurpose water tunnel is introduced in this paper, including system structure and technical features.

本文介绍了测控系统的组成及设计方法，同时对动态实验的实时控制和数据实集方法进行了讨论。

Corporation since its establishment, has always' quality first, the credibility of the first 'business objectives And actively learn from domestic and foreign counterparts advanced production and management experience, from production, testing and selling, according to Zhao management of the modern enterprise management system and ISO9001: 2000 management system to regulate the operation, which are produced by Kai King with a series of water-based inks Pollution, low toxicity, Noncombustible, adaptability, and other fine print characteristics, the quality of its compliance with international environmental standards, in the market by the majority of customers of all ages.

公司成立至今，始终秉持'品质至上，信誉第一'的经营宗旨，积极吸取国内外同行先进的生产和管理经验，从生产，检测到销售，各项管理工作均按昭现代企业管理制度和ISO9001：2000管理体系进行规范运作，所生产的佳景系列水性油墨具有无污染，低毒，不燃，印刷适应性强等优良特性，其品质特性符合国际环保标准，在市场上受广大客户的青睐。

A study on the orchard microclimate、soil water and nutrients were carried out in the apple-interplangting-grass system at one of LuoChuan apple experimental research base in WeiBei plateau,the result showed that:: 1 Orchard with interplanting grass measurement system had the ability to improve orchard inner air humidity , decreased the soil surface sunlight receiving intensity ,and cut down orchard 0~20cm layer soil temperature in the summer, its also reduced the range of air and soil surface layer temperature change during the time of a day or one year.

对渭北洛川塬4 种不同生草模式苹果园的小气候及土壤水分和养分等进行了研究，主要结论如下： 1。生草均能较好地提高了果树空间的相对湿度，降低地表光照强度，降低果树空间气温及0~20cm土层土温日及全年的变幅，创造有利于苹果生长的微域小环境。

To analyze the feature of dam-break flow in natural channel bends,channel-fitted orthogonal curvilinear coordinate system is established and two-dimensional shallow water equations are derived in this system through coordinate transformation,simplification and depth integration.

为分析溃坝波在天然弯曲河道中传播的特点，建立了跟踪河道走向的正交曲线坐标系，并通过坐标变换、简化和水深积分推导出了曲线坐标系下的二维浅水方程。

Emphasizes the application condition of this system, and proposes the solution to heat release reduction and overheat of rooms, and maintains that the thermodynamic properties of the building applying low temperature hot water floor panel heating system should be more strictly specified.

强调了系统的应用条件，给出处理散热量折减、房间过热的方法，认为应对采用低温热水地板辐射供暖系统的建筑的热工条件提出更具体的要

Floor heating systems have been used since ancient times due to their advantages over other heating systems. Previous studies are mainly on the floor heating systems using hot water. There is insufficient study, to the author's knowledge, about floor heating systems using electric heating cords. In the thesis, the heat-transfer characteristics and comfort for the floor heating system and ceiling panel heating system using electric heating cords were investigated.

地板辐射采暖系统与其它采暖方式相比，因许多优点它已有多年的使用和发展历史，在相关研究文献中，大都采用低温热水地板辐射采暖为研究对象，相对而言，电热地板辐射采暖系统的研究文献比较欠缺，为此，本文研究了电热地板辐射采暖和顶棚辐射采暖两种形式下的传热特性和室内热舒适性。

The pressure discharge ability for the heating system with circle water pump parallel connected side connecting line with different diameter has been calculated and compared. Resalable diameter for side connecting line is defined to ensure system safety, mainly for radiator safety at heat users, when the pump is off.

对上述所产生的水击，该供热系统循环水泵并联不同管径的旁通管及使用不同型式的止回阀，计算其泄压能力并对结果进行比较分析，确定合理的旁通管管径，使其供热系统在停泵时保证系统的安全，主要是热用户处的散热器的安全。

The invention provides a system used for recycling urban automobile-washing water, which is a system formed by organic combination of a pretreatment unit, a mechanical treatment unit and a control unit, wherein, the pretreatment unit comprises a fence and a sedimentation tank, and chemical treatment; the fence is arranged on an inlet of the sedimentation tank; the mechanical treatment unit adopts a centrifuge and is arranged on an outlet of the sedimentation tank; and the control unit comprises a peripheral circuit, a singlechip and a variable-frequency motor.

本发明提供的城市洗车用水循环利用系统，是由预处理、机械处理和控制单元的有机组合来的系统，其中：预处理单元包括栅栏以及沉淀池和化学处理，栅栏设置在沉淀池的入口处；机械处理单元采用离心机，它设置在沉淀池的出口处；控制单元包括外围电路、单片机和变频电机。

The pumping storage and supply ensuring line of the two lakes in permissibility of system pumping capacity has been obtained based on the historical and generated series for sufficiently using pumping capacity of every time interval and reducing system water deficit due to pumping capacity limitation.

为充分利用各时段的提水能力，减少因提水能力限制而造成的系统缺水量，根据微山湖、骆马湖历史序列和生成序列，推求两湖在系统提水能力允许下的抽蓄保供线，计算各运行方案的系统响应值，生成非劣解集。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。