查询词典 influence machine

Therefore it is necessary to research the mechanism of greensand used for high compacted molding methods thoroughly.This subject is one section of the National Natural Science Foundation subject ""Ivestigation on Predicting Method and Mechanism of Springback for High Compacted Sand Molds"", followed of the other completed one named ""Research on Microdeformation of Molding Sand"". A serious of experiments has been done on the reequipped three axial machine under certain technological conditions, and the mechanics, material science, rheologic science. It is systematically studied that the influences on the springback of sand mold were caused by the main influence factors: pressure, compacted rate and the content of soil. Through the analyzed experiments' data, the experienced stress-strain relationship concerning the main influence factors were obtained;under different technical parameter, the springback and spingback's potential energy are compared, the differences and indifferences between them are found out, and the springback's mechanism is discussed;according to the tests' data of YangGuoping coming from Tinghua University, experienced formula of molding sand's springback displacement is induced, the displacement and springback are compared, the margin of error's reasons are analyzed, and they are tested and verified mutually.

本课题为国家自然科学基金项目"高紧实度砂型预测方法及回弹机理的探讨"的一部分，是已结题的国家自然科学基金项目"铸造型砂微变形的研究"的后继，运用力学、材料学及流变学理论，利用改装的三轴仪，在一定的工艺条件下，作了大量系列实验，系统的研究了压实比压、紧实率和膨润土含量对砂型回弹的影响；对实验数据进行了分析和处理，得出了型砂关于压实比压、紧实率和膨润土含量的本构关系的经验公式；把各工艺参数下的型砂产生的回弹量与回弹势能进行比较，找出两者存在的异同点，并对回弹机理进行了探讨；通过清华大学杨国平的实验数据，推导出型砂回弹位移场的经验公式，并与实验测出的回弹量进行比较，分析误差造成的原因，并互相进行了验证。

While, the mutual inductance of the induction machine has a little influence on the system stability. The smaller slip of the induction machine can enhance system stability.

感应电机的定子电阻增大有利于系统稳定性，转子电阻减小能够扩大系统速度稳定区域，励磁电感变化对系统稳定性影响很小，转差率越大系统稳定性越差。

The influencing extent as well as the influence of three-phase metallic short circuit that occurs in different position of tie line on transient stability of one machine infinite bus system and that of two machine system are analyzed.

分析了在不同地点的联络线上发生三相金属性短路时对于单机无穷大系统和两机系统的暂态稳定性的影响程度。

As the big circumrotate machine, steamer unit have enormous influence, but because of complexity in the configuration and system of steamer unit, particularity of the running conditions、 steamer unit often malfunction and bring bad influence ,specially the shafting .The experimental equipment is developed to simulate the rotator vibration.

汽轮机组作为大型旋转机械，在电力工业中发挥着举足轻重的作用，但是由于汽轮机组结构和系统的复杂性、运行环境的特殊性，汽轮机组的故障较高，且危害也较大，特别是汽轮机组的轴系是出故障较频繁的部件之一。

Extrusion canister is a key as well as damageable component of carbon machine, so its using-life and production cost influence the further spread and appliance of carton machine directly.

挤压料筒是制炭机的关键零件，亦是制炭机的易损件之一，它的使用寿命及制造成本，直接影响制炭机的进一步推广和应用。

Study on the Numerical control milling machine tool of the excited states, Know that the total situation is, a interplanting of the numerical control equipment, quantity and student's scale have relatively large contrast. The machine that used can not catch up with the need, As well as other course, Students few can move the cell-phone independently , influence training in fact , result of training seriously.

通过对各种实验型设备的调研，了解到现阶段我国用于实验型设备的数控系统设备的台套种类、数量与学生规模反差较大的现况，设备落后，加之由于各种客观和主观的原因，全国大专院校机电类学生工程实践能力普遍较差，其动手能力与理论更是难结合在一起，严重。。。

Study on the Numerical control milling machine tool of the excited states, Know that the total situation is, a interplanting of the numerical control equipment, quantity and student's scale have relatively large contrast. The machine that used can not catch up with the need, As well as other course, Students few can move the cell-phone independently , influence training in fact , result of training seriously.

通过对各种实验型设备的调研，了解到现阶段我国用于实验型设备的数控系统设备的台套种类、数量与学生规模反差较大的现况，设备落后，加之由于各种客观和主观的原因，全国大专院校机电类学生工程实践能力普遍较差，其动手能力与理论更是难结合在一起，严重影响到实训、培训效果。

Error analysis In order to analysis the pose error of the hexapod machine tool, considering the characteristics of the parallel mechanism,"analysis on the error prominency factors for the hexapod machine tool pose error"is proposed. Numerically, the error prominency factor can express the influence on the pose error of the tool resulted from the mechanism parameter error within the whole workspace.

四、位姿误差分析为了定量地对并联机器人机床位姿误差进行分析，结合并联机构的特点，首次提出了&并联机器人机床位姿误差放大因子分析法&，因位姿误差放大因子是反映机床机构参数误差对刀具末端误差影响大小的机床工作空间内的统计值，因此既可作为机床结构参数精度设计的依据又可对机构参数进行优化。

The conditions to measure accurately and the principles to select parameters of the multi— probes EST method are proposed, and the theoretical research, computer imitation and the experiment on a machine tool prove that these principles and suggestion are necessary and effective. The influence of the initial value errors of the probes, the installation error of the probes system, and the remaining error caused by the radical error motion are analyzed quantitively on the measurement accuracy of the multi—probes EST method. The influence of the error caused by the probe's axes which is not in a plane and the perpendicularity error of the plane which the probe's axes is in to the stational axis are discussed on the measurement results.

结合理论分析，对这些EST方法进行了计算机仿真分析和研究，重点研究了这些方法的应用条件和误差分离精度，所得出的结论是：三测头法EST基本上能实现各项误差的完全分离，适于在位测量使用；二测头法在恰当地选择测头安装角的条件下，可以得到较高测量精度，适于大型零件圆度、圆柱度、径向圆跳动和全跳动的在位测量；对置两测头时域法可以在一定程度上改善单测头法测量精度，但对随机径向误差无能为力；对置两测头频域法存在严重的谐波损失。

It can completely meet the requirement of the multi-driver system of the paper machine, and it will also bring good influence to both society-effect and economy-effect, that applying advanced technicology of the driver system to the paper machine.

实践证明，将这一先进的传动技术应用到造纸机上，完全可以满足多传动点的纸机传动系统的要求，同时还具有良好的社会效益和经济效益。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。