2) deletion
[英][di'li:ʃən] [美][dɪ'liʃən]
消去
1.
Sufficient and necessary conditions for coverings and deletions of parity ( g,f )_factors of a general graph are given, and their duality is investigated.
给出一般图的奇偶 (g ,f)_因子覆盖和消去的充要条件 ,并研究其对偶
3) raze
[英][reɪz] [美][rez]
刮去消去
4) elimination
[英][i,limi'neiʃən] [美][ɪ,lɪmə'neʃən]
消去反应
1.
The procedures are described involving a selective Hofmanntype elimination of the 2cyanoethyl groups from the bisimidazolium salts 3 obtained by the reaction of α,ωdihalides 2 with 1Himidazole1propanenitrile 1.
１（２氰乙基）咪唑１与α，ω二卤化合物２反应生成双咪唑钅翁盐３，３在碱的作用下发生选择性Ｈｏｆｍａｎｎ型消去反应以９０。
2.
Using the –~CHR-(CH_2)_3-NFCH_3 (R = H, CH_3, CH_2CF_3, CHO, COCH_3) as the computational model, the two possible intramolecular reactions, nucleophilic substitution on nitrogen and elimination reaction, are studied at the theoretical level of MP2(full)/6-31+G(d,p).
我们在MP2(full)/6-31+G(d,p) 理论水平上,以–~CHR-(CH_2)_3-NFCH_3(R = H, CH_3, CH_2CF_3, CHO, COCH_3)为计算模型,对分子内可能发生的两条反应路径—氮原子上的亲核取代反应及消去反应进行了理论研究。
5) Elimination
[英][i,limi'neiʃən] [美][ɪ,lɪmə'neʃən]
消去法
1.
Power Quality in harmonic and inter-harmonic online rapid detection methods become increasingly concerned about this window interpolation based on the theory of fast Fourier transform spectrum analysis,according to the power system harmonics and inter-harmonic characteristics,the"elimination"of harmonic harmonic detection.
电能质量中谐波和间谐波在线快速检测方法越来越受关注,本文采用基于加窗插值理论快速傅立叶变换进行频谱分析,根据电力系统中谐波和间谐波的特点,提出"消去法"进行谐波间谐波检测。
6) elimination tree
消去树
1.
By use of symbolic factorization based on elimination tree theory and improved LU numerical decomposition algorithm based on sparse vector method,the efficiency of power flow calculation by Newton-Raphson method is improved.
采用了基于消去树理论的符号因子分解技术以及改进的LU数值分解算法来提高牛顿法潮流计算的效率。
2.
This paper presents a new implementation method for LDL factorization based on the theory of elimination tree for factorization factor.
基于分解因子消去树理论,提出一种新的LDL分解计算方法,它利用消去树结构,将LDL分解过程分为非零元素结构预测和数值计算两部分,从而有效避免多余的内存开销和数值运算。
补充资料：消去
1.消失，消散。
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