当老鼠被训练到能够通过推动操作杆来自己施用药物时，它们就会反复不断的推——甚至上百次——来获得一剂量的可卡因。
When rats are trained to self-administer by pushing a lever, they'll push it over and over again — even hundreds of times — to get a single dose of cocaine.
通过调整蒸汽的输出量以及增加喷杆的数量来调节加湿量，以适应不同的加湿空间。
By adjusting the steam output and to increase the number of spray bar to adjust the amount of humidity in order to adapt to different space humidification.
性能试验应包括渐进式装卸锚杆，以验证锚杆有足够的能力抵抗试验荷载，确认自由长度，并估算锚杆的永久变形量。
Performance tests consist of incremental loading and unloading of anchors to verify sufficient capacity to resist the test load verify the free length and evaluate the permanent set of the anchor.
锚杆挡土墙可减少土方开挖工程量，有效避免不良地质情况下的边坡塌方。
Anchored retaining wall can reduce the earth excavation quantity and avoid slope collapse in unfavorable geological conditions effectively.
聚光镜装配有瞳孔膜，那是一个有贡杆控制的快门，用来调节进入镜头系统的光量。
The condenser is equipped with an iris diaphragm, a shutter controlled by a lever which is used to regulate the amount of light entering the lens system.
通过输入油井工况数据，利用该软件可有效设计出配重杆的规格及长度等施工数据，并能预测产液量，同时所有信息都能及时存放到各自对应的数据库中。
The specification and length of super-heavy steel rod can be designed effectively after in-putting the oil well data, and all the information can be stored in each corresponding database.
随着锚杆长度的增大，锚杆的极限承载力相应增大，同时屈服位移量也相应降低。
With the increase of the anchor length, the critical load bearing of the anchor is increased, and the yielding displacement is decreased.
其次，本文分析了同杆双回线分布参数的两种经典模型：工频量模型和时域模型，并在此基础上推导了时变动态相量模型。
Secondly, two classical models of distributed parameter DLSP: power frequency model and time-domain model. Based on these two models dynamic phasor model has been deduced.
通过与杆的纵振动波动方程与弦振动的一维波动方程中各个量的物理意义进行比较分析，得出扭转波是纵波的结论。
The result demonstrates that the twisting wave is longitudinal wave by anglicizing physical meaning of the longitudinal wave equation, transverse wave equation, and twisting wave equation.
这些结果可直接应用于围岩—支护相互作用分析的已有解析解中，并通过控制围岩边界位移量进行锚杆支护参数设计。
The improved rock mass parameters have been applied to the support action analysis of tensioned and grouted bolts by using the existing analytical solutions.
传统设计超声变幅杆的方法中不同形状函数变幅杆性能表达式复杂，计算和设计工作量都很大。
In the traditional design methods, the different shape function of ultrasonic horn is very complicated and tedious to be calculated.
目的研究解决弹性杆件结构在载荷作用下产生大变形时内力和变形量的精确计算问题。
This article aims to study large deformation and internal force of elastic truss structure under load.
求压杆临界载荷的方法很多：有静力法、矩量法、子域法、最小二乘法。
Many methods, e. g. static force method, moment method, sub-region method and least square method, have been used tog et the critical load.
锡渣还原机专为锡渣量少的客户设计，手动搅拌杆操作简单。
This product is designed for customers with low Dross design, easy to operate manually stirring rod.
通过对锚杆延伸性能测试方法的介绍，计算出了几种常用锚杆在预紧加固条件下的整体变形量，并结合井下实用情况指出不同性能锚杆对围岩加固的影响。
The testing methods on extension of anchor bolt are introduced. The whole deformations of normal bolts under pretensioning and its effect on the jacking of surrounding rock are pointed out.
通过对锚杆延伸性能测试方法的介绍，计算出了几种常用锚杆在预紧加固条件下的整体变形量，并结合井下实用情况指出不同性能锚杆对围岩加固的影响。
The testing methods on extension of anchor bolt are introduced. The whole deformations of normal bolts under pretensioning and its effect on the jacking of surrounding rock are pointed out.
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