机械效率

For a long period, Xinxiang factory always adopted common design and analogy design, so result in products with such characteristics include ponderosity, absonantconfiguration, high cost and low efficiency, also caused interference of link mechanism during operation, and induced the dig force not reached the nominal specification.

长期以来，由于该厂对工程机械的设计一直采用常规设计和类比设计为主的设计方法，故造成其产品不但粗大笨重、结构不协调、成本高及生产效率低，而且还造成装载机的工作装置在作业过程中连杆机构的相互干涉，致使装载机的掘起力未能充分体现出发动机的动力。

With queuing theory, the problem of the organization of the earthwork construction is solved in the Violet Gold Garden project with reverse construction method and the curves on efficiency and cost are given to make the machine disposition optimized economically.

结合天津市紫金花园工程"逆筑法"土方工程施工组织，运用排队理论解决土方挖运的施工组织问题，并得出在一定施工组织下土方开挖的效率和成本曲线，保证日出土量与机械配置在经济上达到最优。

A numerical control method of 4-axis side milling to generate the ruled surface such as the vane wheel was presented.

最后，通过数控实验验证了该方法的可行性，并结合了径流式叶轮机械轴—径型叶轮抛物面叶片的成型设计计算方法，使设计计算和加工计算更方便，加工效率更高。

Aiming at the low productivity of manual painting, an advanced painting technology which might be suitable to the mechanical operation was adopted. A relevant action trajectories and law based on the artificial dynamic simulation of painting were gained . Meanwhile, logic action and manipulator function were designed, the gripper of which was promoted. Furthermore, several sand models synchronization gripper structure was analyzed, which achieved dipping and painting 8 sand models at the same time.

为了解决铸造砂型因人工上涂料效率低下的问题，在不同的上涂料方法中选择了适合机械操作的浸涂工艺，采用了基于浸涂的人工动态模拟，获得了完成相关动作需要的运动轨迹及其规律，进行了针对机械手功能和逻辑动作的设计，并对它的夹持功能作了优化改进，提出了多件砂型同步夹持的结构形式，实现了一次完成8件砂型浸涂的高效率操作。

In the traditional experimentation of farming , we must do scarification,shoveling, pressing respectively.So the time between every two working procedure is long,the efficiency is low,and it will also expand a large number of the labour force.In order to work out this problem ,we should create a new kind of machine.It can take the place of men.

传统的耕作试验需要单独进行松土、铲平、压实、旋耕等工序，各工序的间隔时间较长，效率较低，而且要消耗大量的劳动力，为了解决这一问题，我们迫切的需要研制出一种新型的机械设备，用它来代替人力。

In the traditional experimentation of farming , we must do scarification,shoveling, pressing respectively.So the time between every two working procedure is long,the efficiency is low,and it will also expand a large number of the labour force.In order to work out this problem ,we should create a new kind of machine.It can take the place of men.High-speed digital multifunctional soil bin carriage is one equipment which can acord with these requirements.

毕业论文字数：10579 页数：14 带图纸任务书）摘要：传统的耕作试验需要单独进行松土、铲平、压实、旋耕等工序，各工序的间隔时间较长，效率较低，而且要消耗大量的劳动力，为了解决这一问题，我们迫切的需要研制出一种新型的机械设备，用它来代替人力。

In order to overcome some difficulties in mechanized kaolin mining, such as the weak roof, hard ore body, high toughness, it is necessary to apply long hole standing shot technology before the mining activity so as to improve the mechanical cutting efficiency and meet the demand of blocks degree.

为了解决煤系高岭土矿机械化开采存在顶板软弱，矿体相对煤炭质地硬，韧性大，矿石块度要求适中等难题，有必要在开采前采用预先对矿体进行充分合理的松动爆破，以提高机械切割效率及满足矿石块度适中的要求。

As a kind of high-rise structure , tower building is sensitive to wind load; TMD can increase the security and reliability of structure observably with simple mechanism; in power spectrum analysis matrix formula, coefficient matrix can be extended for MTMD optimize analysis, complementarity with time domain method.

标志塔属典型高耸结构，对风荷载作用敏感；TMD机械构造简单，可以显著提高结构安全性和可靠性；谱分析矩阵表达中，将系数矩阵、增广矩阵进一步扩充，可同时进行多TMD参数优化，效率较高，与时程分析互为补充验证。

High efficiency, no rubbing mechanical wastage between exciting power and carbon brush, slip ring, an energy saving product

制动特性良好；效率高，没有励磁功率和碳刷、滑环之间摩擦的机械损耗，是节能产品

A new kind of magnesium alloys has been synthesized by high energy ball-milling of Mg and Fe mixed powders.Due to the high corrosion speed and reacting efficiency,the alloys are generally called super-corroding alloys.A SCA bulk is fabricated through cold-pressing and sintering the mechanically alloyed Mg-Fe powders.The chemical reaction of SCA with seawater rapidly releases heat and hydrogen gas,which may play very important roles in many ocean applications.For example,the reaction heat can be used to keep diver clothes warm;SCA corrosive links with the function of self-destruction can be utilized to control the sinking and floating of sonobuoy, and to salvage the training torpedo or other instruments.In addition,the reaction heat of SCA can be applied to heat food,machinery and ice or snow,which is thus very helpful for mountaineers.

超腐蚀合金采用Mg和Fe混合粉末，经高能球磨机械合金化、冷压、烧结，形成Mg-Fe合金块体，具有很高的海水腐蚀速率和反应效率，该合金化学反应放出的热量和氢气可在海洋工程中发挥重要作用，例如：可为深海作业潜水衣的保暖提供热量；由其制造的腐蚀链通过自毁机制，可用来控制声纳浮标的沉浮时间，打捞和回收水中的贵重仪器、装置以及训练用的靶雷；在偏远地区和寒冷地带，利用该合金的反应放热特性，不仅可加热机械、仪表或食品，而且能为登山运动员提供取暖所需的热量。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。