The Chinese students are educated the way are "the force feed duck", is laborious very. 中国学生受教育方式是“填鸭”,辛苦得很。
Correlations among Shearing Force and Feed Characteristics of Alfalfa, Lolium Perenne, Sweet Photo Vines and Ginger Stems 紫花苜蓿、黑麦草、甘薯藤、姜苗茎剪切力与其饲料特性之间关系研究
Force feeder is a professional supply of bulk lime feed mill using special equipment, because of massive lime light weight, good feed, so the method used to force the feed material. 强制给料机是一种专业对块状白灰供给球磨机进料使用的专用设备,因块状白灰重量轻,不好进料,所以采用强制给料的方法给料。
It can be concluded from the experiments that the cutting force will increase with the cutting depth and the feed rate, and decrease with the increasing of the cutting speed. 进给速度的增加使切削力增加;切削速度的增加将会使切削力降低。
Research shows that: product price, albor force price, chicken price, feed price, administrative expense, sell cost etc are the main factors effect the chicken industry. 研究发现:主产品价格、劳动价格、仔鸡价格、饲料价格、管理费用、销售费等是影响养鸡业成本效益的主要因素;
The external force feed test indicated that the frequency of seed amount in frame is independent of shooting frequency. 研究表明,帧种子数分布相对于拍摄频率(帧频率)具有独立性。
The cutting force and vibration of different machining conditions have been studied. The results show that effect of cutting speed on cutting force and vibration is more unremarkable than feed per tooth and cutting depth. 通过对不同切削条件下切削力和振动进行分析,发现切削速度的增加不会引起切削力和振动较大变化,而每齿进给量和轴向切深对切削力和振动的影响较大。
The limited unit theory of the linkage based on adopts the numerical analysis of parameterization, the full course nonlinear analysis that the simple beam of prestressing force is in progress from the feed to destruction to the body, and the derivation calculation formula in the analysis course; 基于配筋混凝土结构非线性分析的基本理论,推导了分析过程中的计算公式,对体外预应力混凝土简支梁从加载到破坏的全过程进行了分析;
This paper by studying an experiment and theory for wire drawing with force feed lubrication is presented that high pressure region is existes in pressure tube, and describes the parameters of having an effect on pressure valu of lubricant. 本文通过实验测定及理论分析证实高压区的形成,存在及其压力值的大小,并指出影响其压力值的有关参数。
In order to realize high efficiency in end mill cutting, the authors have developed a system to determine the optimum clamping force and optimum feed rate based on three components ( X-, Y-, and Z-components) and torque of the cutting force. 为了实现高效立铣切削,作者开发了一种能确定基于X、Y、Z三个分力最佳夹持力和进刀速率和切削力扭矩的装置。
The special clamp is designed which has the functions of work piece installing and preliminary pressure providing, and the special machine tool is also designed that can control the size of the axial cutting force and realize the less feed quantity. 设计了具备工件安装及提供预压应力双重功能的专用夹具,以及能够控制轴向切削力大小并实现较小进给量的专用机床。
Detecting and Analyzing on Performance of External Force Feed 外槽轮排种器性能检测及分析
In the corner experiment, the force and vibration influenced by different corner angle and feed rate has been studied. In order to optimize the best technology of cutting cirque and corner, the force and vibration has been analyzed. 在拐角实验中,研究不同的拐角角度和进给速度对加工的受力和振动影响,对受力和振动进行分析,以得到小直径铣刀加工圆弧和拐角的最佳加工工艺。
With a higher wire speed and feed force, the feed rate increases which is benefit to a higher cutting efficiency. 增加锯丝速度和进给压力,会使进给速度提高,有利于提高材料去除率。
Study of Driving Force for Large Radio Telescope's Suspending Cable Feed System 大射电天文望远镜悬索馈源系统驱动力的研究
In compare with the external force feed type, the uniformity of dropping may be increased by 10-30% when sowing wheat, sorghum, millet and corn. 它和外槽轮式排种器相比,在播种小麦、高粱、谷子和玉米时,其排种均匀性提高10~30%左右。
Pressure of Lubricant in Pressure Tube for Force Feed Lubrication in Wire Drawing 强迫润滑拉拔时压力管中润滑剂的压力
Experiential formula indicates that the effect of the aiguille diameter on drilling force and torque moment is maximal, feed level takes second place and cutting speed is minimal. 由经验公式可以确定:对钻削力和扭矩影响最大的是钻头直径d,进给量f次之,切削速度v的影响最小。
Because of the high speed of the spindle, the strong cutting force, the high feed speed and the high speed rotating wheel, the high speed and super high speed grinding machine has the biggest harm during the processing. 高速、超高速磨床在加工过程中由于主轴速度高、切削力大、进给速度快、砂轮旋转速度高,其危害性极大。
The laws of surface roughness and cutting force by changing cutting speed, feed rate, cutting depth, and the reasons were analyzed. 其次通过精密切削试验,得到了切削速度、进给量和切削深度对表面粗糙度和切削力的影响规律。
Firstly, this paper analyzes the factors influence grinding force, and the main ones are the down feed rate of the grinding wheel, the rotational speed of the grinding wheel, the rotational speed of the wafer and the grain size of the grinding wheel. 首先,本文分析了影响磨削力大小的因素,主要的因素有:砂轮轴向进给速度、砂轮转速、硅片自旋转速度、砂轮粒度等。
The cutting force coefficients in the formula were identified through the test. The cutting force model about linear feed movement was established. 通过试验对切削力公式中的系数进行系数识别,得到了直线进给运动时的切削力模型。
Then it proposes an idea of controlling grinding force by regulating the down feed rate of the grinding wheel that affects grinding force greatly. 提出通过调节影响磨削力最大的砂轮轴向进给速度来控制磨削力。
The simulation results showed that the drilling force increases due to the increase of the feed rate, but it decreases when the cutting speed increases. 模拟结果显示钻削高锰钢时进给量的增加导致钻削力增大,切削速度的增加使得钻削力减小。
Prediction analysis by BP network shows only optimal values of grit size, feed force and feed speed of tool can lead to the maximum machining efficiency. 从加工效率的BP网络预测分析可以看出,磨料粒度、进级压力、刀具进给速度在一定范围内取合适值时,加工效率才最高。
Mechanical stirring is used in phosphoric acid reactor, so as to force the feed liquid move along particular direction and flow rate and finally have compound reaction adequately. 在磷酸反应槽中,机械式搅拌用于槽内,强制料液沿着特定的方向和流速运动,达到充分混合反应的目的。
Experimental results show that the order of importance of three factors affecting milling force: feed per tooth, radial depth of cut, cutting speed. Improved milling finite element simulation results, compared with the experimental data, the trend is the same. 铣削试验结果表明影响铣削力大小的三因素的重要性顺序为:每齿进给量、径向切深、切削速度;改进的铣削有限元仿真结果与实验数据对比,表明变化趋势是一致的。
The antibacterial compatibility combination, which reduced the acid cohesion force of the feed, was selected through orthogonal test. 通过正交试验,筛选出抑菌和有效降低饲料系酸力的配伍组合。