Mud fluid can be used to reduce the resistance of advancing the culvert box; a new infilled pad is designed to solve the p. 触交泥浆可用来减少箱涵推进中的推进阻力,本文提出了一种填充垫装置,用于解决触变泥浆在实际施工中遇到的一些问题。
SB2014 Precise DC Low Resistance Box has its own features such as high working voltage, good abstraction of heat efficiency, stable performance and novel configuration. 该电阻箱具有工作电流大、散热效果好、性能可靠、结构新颖等优点,适用于工厂、学校和科研单位作精密大电流低阻值电阻标准。
Study of Compression Resistance of Packaging Box Based on Finite Element Method 基于有限元法的包装箱抗压性能研究
In expriments, we seldom consider the error caused by the zero resistance of a resistance box when we calculate the error of the expriments. 实验中,计算实验误差时常常不考虑电阻箱零值电阻所引起的误差。
There is no unusual noise in motor during the progress of changing over the load and on abnormal heat generating in control resistance box. 确保在改变载荷过程中发动机没有不正常噪音,在控制抗阻箱中无反常热量产生。
Woolen sweaters will be wrapped in polybags and packed in standard export cartons. Discussion on Presure Resistance Assessment Method of Corrugated Fiberboard Box 我们用塑料袋将羊毛衫装好,再装进标准出口纸板箱。出口包装用瓦楞纸箱抗压力合格评定方法的探讨
Combined Type High Resistance Box and High Voltmeter Calibration Equipment 组合式高阻箱及高压表检定装置
The parameter of the block is gained when its thermal resistance value is maximum by the guarded hot box and the numerical simulation. 利用防护热箱法和数值模拟方法得到了砌块热绝缘系数最大时的砌块的结构。
Study of Medium-resistance Alloys for Resistance Box 电阻箱用中电阻合金的研制
Study on the interrelation between the resistance to shearing and the resistance to cutting of plates in box and raft foundation of high buildings 高层建筑箱筏基底板抗剪与抗冲切相关关系
The circuit for linearization can be applied in the accurate temperature program-control or fixed-point control after it is matched with an electric or manual resistance box. 线性化所用的电路与电控的或手拨的数字电阻箱匹配之后,可用于程序的或定点的精密温度控制。
Influence of the Remaining Resistance of Resistance Box on Experiments 电阻箱的残余电阻对实验的影响
In the paper, several heat sources in the transmitting box of a measurement system are analyzed. On the basis of the basic principle, the heat resistance both inside and outside the box is reduced, and the corresponding thermal design and practical methods are given. 分析了一个计量系统转接箱的热源,并从基本原理出发,降低箱内/外热阻,给出了热设计与具体实施方法。
According to experiment and evaluation, the new designed Direct Current resistance box can completely meet specification requirement with high automation and broad application prospect. 结果证明,该新型装置完全符合规程要求,自动化程度高,具有很广的应用前景。
In order to keep the resistance box in appropriately normal zero resistance, we should preserve the resistance box in a correct way. 为了使电阻箱保持比较正常的零值电阻,必须按照正确的方法来保存电阻箱。
This paper introduces a digital and intelligent active direct current resistor box, which calibrates various direct current resistance measurement devices substituting conventional standard resistor box. 介绍了一种取代传统标准电阻箱的数字化智能有源直流标准电阻器,它由标准电阻与有源电路箱组成,用于对各种类型的直流电阻测量仪进行校验。
A new method for verification of DC resistance box 一种检定直流电阻箱的新方法
This paper has summarily discussed the serviced environment, and requirment of medium-resistance alloys used for resistance box and experimentally analyzed the properties of studied alloy. 本文简述了电阻箱用中电阻合金的使用环境和要求,并对研制材料的特性进行了实验分析。
The Design of Digital Resistance Box with Power Source 数字化有源电阻箱的设计
The Design of Compression Resistance Testing Machine for Paper Box Based on Alternating Current Servo Technology and Double CPU Technology 基于交流伺服驱动技术及双CPU技术的纸箱抗压试验机设计
The sensitivity of the self-organized bridge using resistance box as arm resistance and the uncertainty of the measuring result are analysed. The selecting principles are given. 本文分析了用电阻箱作桥臂电阻自组电桥的灵敏度及测量结果不确定度,给出桥臂电阻的选择原则。
This paper introduce in detail the principle of the calibration of resistance box by method of direct current digital voltage meter, mathematics model and the way of uncertainty evaluation. 详细介绍了用直流数字电压表法校准电阻箱的原理、数学模型及测量不确定度评定方法。
For the sole underground garage, when the groundwater level is relatively high, the buoyancy resistance measure based on resistance balance and raft or box foundations is suggested; 对于单建地下车库,地下水位较高时,宜选用抗力平衡型抗浮措施,并采用片筏基础或箱形基础;
Shunting resistance box is a commonly used method in the determination of the sensitivity coefficient of the resistance strain gauge with the equal-strength beam aparatuses. 采用等强度梁、挠度计、并联电阻箱、电位差计等测定电阻应变计的灵敏系数是一种常用的方法。
Determination of the Significant Figures of an Indicated Value of a Resistance Box 电阻箱电阻值有效数字的确定
The Analysis of the Error of the Zero Resistance of the Resistance Box 电阻箱零值电阻的误差分析
In the traditional process, we usually use dummy loads instead of actual loads, and most of the dummy loads are static loads, such as resistance, resistance box and slide-wire rheostat. 传统的测试过程中,通常采用模拟负载来替代实际负载,多数为静态负载,如电阻、电阻箱、滑线变阻器等。
It can improve plant resistance to diseases through interaction with GCC box which present in promoters of many pathogenesis-related ( PR) genes. ERF转录因子通过与病程相关基因(PR)启动子中GCC-box的结合来调控PR基因来提高植物对病害的抗性。