1) valence up-and-downs
化合价升降法
1.
It has been proved by teaching practice that there are three kinds of oxidization-reduction equations which are determined by the elements changing according to valence, and each can be balanced by ways of deducing,valence up-and-downs and coefficrent.
教学实践证明,对氧化———还原反应方程式按化合价变化的元素种类为一种、两种和多种分成三类,每一类分别用“减除法”、“化合价升降法”和“待定系数法”三种不同方法配平时,既快速准确,配平面又广。
2) combination of the method of ascending and that of descending
升降结合法
3) Up-and-down method
升降法
1.
The test theory,design procedure and data analysis of Langlie method and up-and-down method were analyzed,and the experimental results of impact sensitivity of certain explosive HMX were compared.
对兰利法与升降法的测试原理、设计程序及数据分析方面进行了分析和比较,在对某级炸药HMX的撞击感度试验的基础上,对比了两种方法的试验结果,发现兰利法对感度初始估值不敏感,升降法受初始估值的影响很大。
2.
Critical initiation energy was measured by the up-and-down method and cell size on soot foil.
采用升降法和烟迹技术在立式激波管中分别实测了液态燃料(环氧丙烷、硝酸异丙酯、己烷、C5~C6、庚烷、癸烷)与空气混合物直接起爆的临界起爆能和胞格尺寸。
3.
By comparing the advantage and disadvantage of ramp current with other methods,ramp current method and up-and-down method are used to test sensitivity of bridge-wire Electrical Initiating Device.
对动态斜坡法与升降法测试原理优缺点进行了比较,在动态斜坡法测试敏感和钝感型电火工品发火感度试验的基础上,结合与升降法试验结果的对比,对动态斜坡法进行了研究。
4) up and down method
升降法
1.
Since Dixon and Mood gave the up and down method for small samples,the up and down method has been widely used to determine statistical characteristics of material′s fatigue strength.
指定寿命下的疲劳强度是无法直接测定的,自从测定疲劳强度的小子样升降法被提出以后,这种方法被广泛地应用于测定材料疲劳强度的随机特征。
2.
Experiments show that the fatigue limit evaluated according to this expression is approximate to the result deduced from up and down method,which demonstrates that in describing the fatigue property of metal,the expression enjoys higher accuracy and certain practical value.
实验表明：用该表达式估算的疲劳极限与升降法得到的结果十分接近，说明该表达式描述金属材料的疲劳性能有较高的精度，有一定的实用价
3.
Mood and developed by some other experts,but all these traditional up and down methods can not use previous data effectively, besides, the estimates for variance are not exact.
该方法不但给出了很好的方差估计量，解决了传统升降法对方差估计误差较大的问题，而且还能够充分利用以往积累的经验数据，并结合当前少量的试验，即可确定出安全疲劳极限。
5) Bruceton up-and-down method
升降法
1.
Using the sensitivity test data of the stab detonator compares the complete run-down method and Bruceton up-and-down method.
本文对某型针刺雷管的两个批次分别进行了完全步进法及升降法感度试验。
6) up-down method
升降法
1.
Based on irreversible thermodynamics,the damage evolution equation is constructed by introducing the damage driving force,in order to reduce the work of the up-down method in identifying the fatigue limit.
为降低用来确定疲劳极限的升降法试验的工作量,以热力学为基础,引入损伤驱动力,构建损伤演化方程。
2.
The sensitive frequency were measured using conduction method,and the radiofrequency sensitivity was tested and calculated in the condition of sensitive frequency based on the up-down method.
为了研究射频对电火工品的影响,利用传导方法分别测定了三种不同的桥丝式电火工品试样的敏感频率,然后在敏感频率条件下根据升降法对试样的射频感度进行了测定和计算。
3.
According to the fatigue test norms of the chain drive in ISO15654-2004(precision roller chain fatigue test method for driving) we use a comprehensive test method(group method and Up-down method) to carry out fatigue test of high-speed automotive chain and to draw fatigue life curve:F-N curves and R-F-N curves.
本文运用成组法和升降法对汽车发动机用滚子链06BT-1和齿形链CL04T-9进行了疲劳可靠性试验。
补充资料：升降法
升降法 升降法 推拿手法名。见《中医正骨经验概述》。指对肢体关节进行上下屈伸活动的一类手法。有滑利关节，舒展筋脉，解除粘连，帮助复位等作用。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条