查询词典 sewerage dredger

This paper illustrates how a box ladder for suction cutter dredger was designed.

强度计算；绞刀；箱型；受力状态；质量分布；剖面模数；结构节点；绞吸式挖泥船；均布载荷；吸泥

Gold dredger is taken as an axample to discuss the performance and require-ment of the main drive of bucket dredge. The advantages and shortages of three current typi-cal mechanical drive schemes are objectively analyzed.

以采金船为范例，阐述了链斗式挖掘船主驱动的工作特性及要求，对目前三种典型机械传动布置方案的优缺点作了客观分析，指出斗键生驱动引用液压技术的条件已趋成熟。

Designing of dredging device for bucket dredger , such as the design and calculation method of bucket chain device, determination of the length of bucket chain as well as other relative construction problems.

它直接关系到生产效率，船的寿命及经济效益。本文从理论和实践经验阐述其设计中的主要&热点&及如何予以解决。

It is proved through model hydraulic experi-ments that the pumps are characterized by superior efficiency and cavitation performance,satisfying the opera-tion requirement of 1600 hp bucket wheel dredger.

研究开发的5个泵型，效率指标均超过了86％，达到国际领先水平，研究成果显著提高了我国泥浆泵领域的技术水平，可广泛使用于不同类型挖泥船及各种疏浚场合。

Operating a modern and well-balanced dredger fleet which consisting of over 80 large and medium dredgers and auxiliary vessels, including TSHDs, CSDs, bucket wheel dredgers, hopper barges and many other various service equipments, the annual dredging capacity of GDC is up to 100 million m3 and it can meet the needs of constructions under various conditions.

公司拥有一支门类齐全、船型均衡发展的疏浚船队，包括耙吸、绞吸、斗式等各类大中型现代化挖泥船和辅助工程船舶共80多艘，年疏浚能力已超过1亿立方米，能适应各种工况条件下的工程施工要求。

Nanjing Changjiang Waterway Engineering Bureau currently has the Netherlands, Japan and China to build its own large and medium-sized aircraft from harrow suction, suction, chain bucket, grab dredger, blowing mud vessels and other vessels dredging ships, as well as a large number for the dredging, fill supporting the use of auxiliary vessels and ancillary equipment such as sludge pipeline.

长江南京航道工程局目前拥有荷兰、日本和我国自行建造的大、中型自航耙吸式、绞吸式、链斗式、抓斗式挖泥船、吹泥船等多艘疏浚工程船舶，以及大批为疏浚、吹填配套使用的辅助船舶和排泥管线等辅助设备。

Cement and quick-lime were selected as addition because of their common and easy to popularize. The effects of these two additions on the dredger fill samples in stiffness and consolidation speed were tested and compared within a cylinder-shaped experimental container.

选取水泥和生石灰这两种较为容易推广的普通材料作为添加剂，分析了添加剂对吹填土固结强度的影响，同时将添加了水泥和生石灰的吹填土的固结速度进行了对比研究，结果表明：添加剂的添加有利于加快吹填土固结。

In this article, authors introduce several construction technologies adopted in vacuum precompression strengthening construction of Nansha Harbor including treating surface of dredger with earthwork textiles, handling high sediment percentage sand cushion with level drainage boards, and sealing techniques combining long and short agitation walls.

介绍在南沙港区真空预压加固施工中，采用土工织物对吹填淤泥进行表面处理、水平排水板处理含泥量高的砂垫层及长短搅拌墙相结合的密封技

The vibration characteristics of the rotor system of the dredge pump in a dredger (1750 m3/h) are calculated and analyzed by using FEM.

主要研究内容包括： 1、介绍了旋转机械中各种典型故障产生的机理及识别特征，对信号处理及分析的方法进行了研究； 2、采用有限元方法对泥泵转子轴进行了模态分析和谐响应分析。

The influence of the eccentricity mass moment, position of mass center and the bearing stiffness to the vibration characteristics of the rotor system is discussed in detail; 3. To verify the exactness of FEM and learn the principle of vibration of dredge pump further, The orbit of the rotor shaft of the pump in the dredger is measured, the measurement results show: the repeat of the orbit of the rotor shaft is very bad when dredge pump is in the dredging mud condition.

模态分析确定了泥泵的振动特性；谐响应分析确定了泥泵转子轴在偏心力的作用下轴截面处的最大响应位移；研究了转子轴的质心位置、轴承刚度和质量偏心矩对转子轴振动特性的影响； 3、采用轴心轨迹法，实船测量了泥泵轴工作时振动响应值。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48