查询词典 instantaneous

This paper analyze instantaneous forth and constraint of the rotor according to the motion Characteristics of eccentric Squirmy mechanism.

本文根据偏心蠕动机构的运动特性，分析了转子瞬时时刻的受力以及约束情况；并根据偏心蠕动式转子泵实际设计参数，计算和分析了泵排液过程中的六个工况点。

The shock wave produces a near-instantaneous deceleration of the flow to subsonic speed.

冲击波产生的近瞬时减速的流量，以亚音速速度。

Is a superego hero, great instantaneous in this moment sharing.

做一次超越自我的英雄，伟大的瞬间在这一刻共享。

In a connector used for recording and reproducing apparatus of a memory card, it is aimed to prevent an instantaneous make break phenomenon, in which a contact portion of a contact and a terminal of a memory card is instantaneously opened and suppliance of electric power to the memory card is instantaneously stopped when an impact is applied to the connector, and a deformation of the contact due to the impact.

一种用在记忆卡记录和复制装置中的连接器，其目的是避免闭合瞬间断开现象。在该闭合瞬间断开现象中，当连接器受到冲击，以致于该冲击造成触点变形时，触点的接触部分和记忆卡的端子瞬时断开，对记忆卡电能的供应瞬时中断。

The control technology of phase selection has been used on beakers instantaneous characteristic test device for Jiang Su Chang Shu Switch Plant.

此外，本文还介绍并分析了模糊综合评判的方法在交流电器选相分合闸控制中的应用。

The derivative of a function can be interpreted either as a function whose value at x is equal to the gradient of the tangent line to the graph of y=f at x, or, alternatively, as a function that describes the instantaneous rate of change of y with respect to x at the point x.

一个函数的导数可以理解为一个函数的值无论是在x是等于切线的梯度的y图二F在x，或者，或者，作为一个函数描述瞬时速度y的变化的关于x的点x在f关于x的也可以表示为导数

Merit Effect: The counter space and time duplicate face raises the tautness to send the dual eye essence breast with the aid of to tighten the effect instantaneous in the instant, the flesh tightens to the limit, becomes smooth young.

功 效：逆时空复颜提拉紧致双重眼部精华乳借助于瞬时收紧功效，肌肤瞬间收紧至极限，变得光滑年轻。

The result indicate that: the electrodeposition of zinc on nickel and tungsten substrates involves instantaneous three-dimensional nucleation. The coating is the best when the current density is 4mA/cm2 and the temperature is 80 ℃. The coating by the method of the impulse electrodeposition is better than the direct current electrodeposition. Especially when f is 100Hz, ton/toff is 2/8 and J is 8mA/cm2, the coating is clean and uniformity. The crystal size is nearly 0.3μ m .

结果表明：阴极反应为准可逆反应，锌离子在镍电极和钨电极上形核是三维瞬时形核半球形扩散长大过程，直流电流密度为4mA/cm2，温度为80 ℃时，镀层质量最好；脉冲电沉积得到的镀层要优于直流电沉积得到的镀层，尤其在脉冲宽度为2ms，脉冲间隔为8ms，电流密度为8mA/cm2时，得到的镀层光滑而均匀，颗粒大小接近0.3μm。

As the complete characteristic curves of reversible pump turbine are often used to calculate the instantaneous parameters, this paper studies the characteristic curve and the wicket closure and opening law in pumped storage plants.Chapter 1 presents the importance and the necessity of this study and reviews the previous related research on hydraulic transient process and valve regulation in pumped storage plants.Chapter 2 analyzes the six collected characteristic curves of reversible pumped turbine and studies their diversification from the point of view of specific speed. The six collected discharge and moment curves with maximum efficiency have been fitted to piecewise continuous curves. This curve-fitting procedure is listed.Chapter 3 takes Liyang Pumped storage plant as an example and analyzes the effect of different characteristic curves on regulation guarantee parameters and the variety of its trochoid during the same operation status.Chapter 4 takes three pumped storage plants with different heads as examples and studies the characteristic of coordinated closure with wicket gate and ball valve and its effect on dynamic pressure in the spiral case, inlet pressure in the draft tube and the rise of rotating speed.Chapter 5 summarizes this paper and point out what should be done in the future research.

由于在过渡过程分析计算中，需要频繁利用可逆式机组的全特性曲线推求机组的瞬时参数，所以本文就特性曲线及关闭规律问题进行了研究，其主要内容如下：第1章，指出本文研究的意义和目的，回顾前人对水力过渡过程、抽水蓄能电站及阀调节的研究成果，在此基础上提出本文的研究内容；第2章，针对收集到的六套特性曲线，从比转速的角度出发来研究可逆式机组特性曲线的变化规律；并对六套曲线的最高效率流量和力矩曲线进行分段拟合，得到各分段函数的具体形式，再通过举例说明最高效率曲线的拟合步骤；第3章，以溧阳抽水蓄能电站为实例，分析讨论不同比转速特性曲线对调保参数造成的影响及对于相同工况其轨迹线的变化；第4章，结合高、中、低三水头段抽水蓄能电站，在导叶直线关闭的基础上，研究导叶与球阀协联关闭规律的特点及对蜗壳动水压力、尾水管进口压力及转速上升造成的影响；第5章，总结全文，提出今后研究的重点和方向。

According to deformation features of tube rolled by SPG mill, The formulas are deduced to calculate geometry parameters of instantaneous deformation zone, flow, slip and deformation.

全面分析了影响力参数的各种因素，提出了关于力参数的计算方法，并对影响轴向力的三个主要因素（轧制半径、摇杆参数和辊颈半径）做了定性、定量的研究，提出了这些参数的确定原则及计算方法。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷