查询词典 lift

The utility model discloses a magnetic lift device which comprises a main magnetic lift part, a rotating pole bracket, a transmission supporting saddle, a left rotating pole and a right rotating pole. A turning plate yoke device is arranged on the upper surface of the main magnetic lift part, and the turning plate yoke comprises a yoke head, a yoke head base, a constringent spring, a pulling rope as well as a rope sling. The yoke head is arranged slidingly in the hollow cavity of the yoke head base, and the constringent spring is arranged at one end inside the yoke head. One end of the pulling rope is fixedly connected with the inner end of the yoke head, while the other end is fixedly connected with the rotating pole. The rope sling is sleeved outside the pulling rope. A yoke platform matching with the lower surface of the front end of the yoke head is arranged at the tail end of a back support foot.

本实用新型公开了一种起重磁吊装置，包括磁吊主体、转杆支架、传动支座、左右转杆，在磁吊主体的上平面上还设置有翻板卡位装置，翻板卡位装置包括卡位头、卡位头座、压缩弹簧、拉索和索套；卡位头滑动设置于卡位头座内的中空腔体内，卡位头内端一侧设置有压缩弹簧；拉索的一端与卡位头内端固定连接，另一端与转杆固定连接；索套套设于拉索之外；后支脚尾端设置有与卡位头前端下平面相匹配的卡位平台；翻板转轴上套设有扭簧。

The slurry pump lift and air lift are thought to be practicable and the most promising lift methods through the research and pilot mining.

通过试验研究和深海试采，矿浆泵水力提升和气力提升被认为是切实可行、具有应用前景的扬矿方法。

The energy exchange analysis indicates that gliding energy efficiency is dependant on the lift drag ratio of the wings and gliding angle of the hull. Through the calculation in this thesis, it can be concluded that enhancing the lift drag ratio can largely improve the energy efficiency when the gliding angle is in the range of 10to 40 degree, and when lift drag ratio is fixed, there exists a special gliding angle for the maximum of the efficiency, which provide theoretical basis for the design of operating parameters.

通过能量转换分析，得出滑翔机航行效率由机翼升阻比和机身航行角决定，航行角在10~40度范围内，增大机翼升阻比可显著提高航行效率；并由计算得出，在升阻比一定的情况下，总存在一个使滑翔机航行效率达到最大的航行角度，为样机工作参数设计提供了理论依据。

The main products are: two-tier lift-sliding system, three-tier lift-sliding with pit,two-seven tier lift-sliding under ground system.

主要产品有：两层升降横移系列，带地坑三层升降横移系列，地面以上2-7层升降横移系列。

The design includes: valve timing and high valve lift confirm, valve lift design and cam lift.

凸轮型线设计包括：配气相位及最高升程的确定、气门升程设计及其凸轮型线的反求。

The number of lift-off sand grains percent time percent sand bed area Based on the lift-off velocity distribution function of saltating sand grain, this thesis gains the number of lift-off sand grains percent time percent sand bed area which ranges from 6796 to 8846900 number/(s·m2) by combination motion model of single saltating sand grain and some motion parameters of saltating sand grains and the flux of wind sand current from wind tunnel experiment.

单位时间单位面积沙床起跳沙粒数利用本文获得的沙粒起跳初速度分布函数，结合沙粒跃移运动学模型以及风洞实验中获得的沙粒跃移运动参数以及输沙量，反演出一定风场条件下单位时间单位面积沙床起跳沙粒数，变化范围6796-8846900个/(s·m2)，并满足。

The objectives are the subsonic and supersonic zero-lift drag coefficients, the maximum lift-drag ratio, the maximum lift coefficient at low speed, the average and maximum value of forward and sideway RCS.

目标函数取为亚音速及超音速时的零升阻力系数、最大升阻比，低速时的最大升力系数，以及飞机前向、侧向的RCS平均值、最大值。

And machinery industry is different from other companies, the company since the outbreak of the economic crisis last year by the impact of small, mainly for its products in the first quarter of the lift a little less money for the implementation of the strategy to develop second and third line cities, remarkable results were achieved, lift the achievement of sales year-on-year positive growth, hedge real estate recession of the lift industry; In addition, efforts to improve after-sale maintenance services income, profit structure was further improved, good growth.

和机械行业其他公司不同的是，公司自去年经济危机爆发以来，受到冲击较小，主要原因为其一季度电梯产品在执行小幅降价的策略下努力开发二三线城市取得明显成效，电梯销量同比实现正增长，对冲了房地产不景气对电梯行业的影响；此外，公司努力提高售后维修服务的收入比例，盈利结构进一步改善，成长性良好。

The results show that amplitude of defect signal is adversely affected by lift-off variations,but phase difference between defect signal and lift-off loci is almost unchangeable.After analyzing the characteristics of the phase difference with the chang of frequency,a conclusion that defect signal is approximately vertical to lift-off noise at a well-selected frequency is obtained.

结果表明提离增加会显著降低缺陷信号的幅值，但并不影响缺陷信号和提离轨迹之间的相位差，通过分析相位差随检测频率的变化规律发现：存在一个合适的频率可使缺陷信号和提离干扰之间出现90°的相位差。

In addition to this valve disc is free to lift, the other part of the same as the cut-off valve, the fluid pressure valve from the valve seat sealing surface of valve lift, medium return A42C Type Pound-Grade Low Lift Spring Loaded Safety Valve led to a seat on the disc down and cut off the flow.

此阀门除了阀瓣可以自由地升降之外，其余部分如同截止阀一样，流体压力使阀瓣从阀座密封面上抬起，介质回流导致阀瓣回落到阀座上，并切断流动。

It is also known as one of the most poisonous naturally occurring substances.

它也被称为一个最自然发生的有毒物质。

The greatest stress is found at the location on the cross section where V is the largest.

最大应力出现在横截面上V为最大的地方。