Methane gas does collect in the mines around here.周围的矿井里的确有沼气聚积。The ignition of methane gas killed eight men.甲烷起火，致使8人丧生。Methane and propane are alkanes.甲烷和丙烷是烷烃。...
Methane is often regarded as the second most important greenhouse gas after carbon dioxide.甲烷常被认为是仅次于二氧化碳的重要温室气体。Methane is said to be hydrophobic.甲烷被称为疏水的.The project is consisted of a modern hoggery, goose house and me...
Objective : To a GC method forquantitative determination of menthol ( C 10 H 20 O ) in Compound Apomorphine Hydrochloride Nasal Spray.目的: 建立新药复方盐酸阿扑吗啡鼻喷剂中薄荷脑 ( C10H20O ) 的含量测定方法....
深草中秋虫的唧唧声,犹如最美妙的音乐.The chirping of the insects down in the long grass had been like the sweetest music.雄蟋蟀凭借前翅的磨擦发出唧唧声.TYPICAL USE : Male crickets chirping noise by rubbing their front wings together.发出一串唧唧声.To utter a s...
摘要给出两个矩阵同时合同对角化与同时相似对角化的一些条件.The conditions of simultaneous diagonalization of two matrices are given.基于householder转换, 给出了稠密对称矩阵三对角化的MPI+OpenMP混合并行算法.Based on Householder transformation, MPI + OpenMP hybrid parallel algo...
The most chemically satisfying approach may seem to require the use of the assay system.化学上最理想的探讨途径,似乎需要应用一些鉴定系统.OBJECTIVE : To the assay triamcinolone acetonide acetate in Quwan solution.目的: 测定“去万溶液”中醋酸曲安奈德的含量.Applicati...