1) stepping integration
分步积分
2) fractional-precipitation method
分步沉积
1.
The study on the removal of the metal impurities Sb, Ti etc from the product Nb(OH)_5/Ta(OH)_5 by fractional-precipitation method;
用分步沉积法去除Nb(OH)_5/Ta(OH)_5中Ti,Sb等金属杂质的工艺研究
3) step-by-step integration
逐步积分
4) Multi-step integration
多步积分
1.
Based on the approach of high order Taylor series transient stability calculation and the formula of multi-step integration,a method of explicit multi-step and multi-derivative integration transient stability calculation is proposed.
基于高阶Taylor级数暂态稳定计算方法,并结合多步积分公式,提出了多步高阶暂态稳定计算方法。
5) integral step
积分步长
1.
A self adapting integral step arithmetic is obtained.
研究了目标双站光散射分布的数值计算 ,提出了积分步长自适应算法。
2.
Formulas are detailed deduced using Rung-Kutta method for orbit integral of GLONASS satellite motion function,and the integral scope and integral step on the basis of processed result using actual data are analyzed.
推导了利用四阶龙格-库塔方法对GLONASS卫星运动方程进行轨道积分的计算公式,根据实际数据处理结果对积分区间、积分步长作了一定分析,在对定步长积分方法和变步长积分方法分别进行介绍的基础上,对两者的结果作了比较。
6) synchronous integral
同步积分
1.
Using LPC917 replaces XR2206 which is located in modulation end and synchronous integrated circuit in demodulation end,introduces the method and process of completing the 4FSK and the synchronous integral operation,it gives the program flow chart and the main control signal timing diagram,and indicates the advantages of LPC917 compared with XR2206 in aspects of low cost,high .
这里用LPC917替代原系统调制端的XR2206和解调端的同步积分电路,详细介绍完成4FSK和同步积分运算的方法和过程,给出程序流程图和主要控制信号的时序示意图,并指出LPC917与XR2206相比具有成本低、性能高及可编程等方面的优势。
补充资料:分步结晶
一种古老的用于分离化学性质相近的金属化合物的方法。此法依靠化合物间溶解度的微小差别,通过重复操作而达到分离的目的。钽、铌复合氟化物(如K2TaF7和K2NbOF5·H2O)的分步结晶,锆、铪复合氟化物(如K2ZrF6和K2HfF6)的分步结晶,铷、钾草酸盐的分步结晶,轻稀土硝酸盐和硝酸铵(或硝酸镁)复盐的分步结晶等,都曾经在工业上应用。此法近年来虽然多被溶剂萃取法和离子交换法所代替,但在某些条件下仍然应用。
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