查询词典 navigation lock

According to the navigational conditions of the ship lock entrance transitional channel, the fleet mix and the towboat power in Naji Hydro-junction, the ship resisitance was calculations and compared with the towing force, and the navigation conditions of transitional channel was analyzed as well.

根据那吉航运枢纽船闸口门外连接段的水流条件、舶合及推轮功率，计算了船舶航行阻力，并与推轮推力比较，分析了连接段的航行条件。

U.S. barge rates have been strong for the past two years for a shrinking fleet of barges, increased upbound movements of cargo and periodic unscheduled closures at lock and dam facilities or for low navigation problems related to low or high water conditions.

由于驳船数量不断减少、北向货运有所增加、船闸大坝不定期关闭以及水位状况致使通航率低等问题，美国驳船运价在过去两年里保持强劲势头。

Navigation structure is a double-line single ship lock (1×2000t+1×1000t).

通航建筑物采用双线单级船闸（1×2000 t+1×1000 t级）。

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The E-B model of Duncan-Chang' model is applied to the nonlinear analysis and the double-hinged plate navigation lock chamber structure on the on rigid-pile composite foundation is also calculated here.

论文结合宁波姚江船闸工程实例，建立了计算模型，进行了计算分析，并用Ansys软件，针对土体的特性利用Ansys自带的APDL语言进行了二次开发，实现了非线性分析采用邓肯—张模型中的E—B模型，对刚性桩复合地基上双铰底板式闸室结构进行了计算分析。

Up to now, the project already finished the 85 ％ that always invests, except north paragraph partial channel and bridge project had be notted finish outside, snail hill lock and south Duan Hang already be open to navigation or air traffic, begin to produce beneficial result.

截至目前，工程已完成总投资的85％，除北段部分航道和桥梁工程尚未完成外，螺山船闸和南段航道已经通航，开始发挥效益。

The MC nylon lath water-seal and wedge supporting slide block are adopted in the working anchor gate of the water transmission way of the Spring Lake s navigation lock, which has solved the problems of frequent operation of the anchor gate and the water-seal under condition of bearing bilateral pressure.

春天湖船闸输水廊道工作闸门采用了MC尼龙板条封水和楔形支承滑块，解决了闸门运行频繁、承受双向水压力情况下封水的问题。

Under the condition that lengthway's current velocity is 2.5 m/s,surface gradient is 0.2‰ and slack-water ship speed is 3.0 m/s,the relationship between current resistance and thrust push of the push tug at the transitional reach outside entrance of navigation lock is analyzed,and the requirement that the ratio of displacement tonnage to power should be less than 9.52 t/kW is put forward.

针对枢纽船闸口门外连接段航道，在纵向流速2.5m/s、水面比降0.2‰，以及船队在静水航速3.0m/s的条件下，分析船队推轮推力与水流阻力的关系，提出船队排水量与推轮功率比值应满足≤9.52t/kW的要求。

Lock ; approach entrance region ; oblique flow characteristics ; ship sailing ; navigation flow condition

船闸；引航道口门区；斜流特性；船舶航行；通航水流条件

Air pressure differentials should be such that there is no flow of air between the work area and the external environment or risk of contamination of outer clothing worn outside the area; f an air lock system for the passage of equipment, which is constructed so that there is no flow of contaminated air between the work area and the external environment or risk of contamination of equipment within the lock.

f 设备的进出要有气闸系统，其结构要保证没有工作区和外界环境之间污染空气的流通，或气闸室里的设备没有被污染的风险。

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