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Using PEG-20M/Chromosorb WAW DMCS as a fixed phase, 3,5-xylidine and impurities would have been separated by gas chromatography on packed column. 采用PEG-20M和Chromosorb WAW DMCS栽体组成的固定相;在填充拄上分离了3;5-二甲基苯胺及其异构体杂质.
The experiment showed that both the silica gel G used as the fixed phase and the mixture solution ratio of anhydrousalcohol and water at (5:1, V/V) were the optimum conditions. 选择了以硅胶G为固定相,无水乙醇/水(5:1,V/V)的混合液作洗脱剂的最佳条件,单向一次性进行色谱分离。
This paper introduces the principle of the defibrillator,the electric current of the single phase wave and the biphasic waveform as well as their wave and energe. 本文通过介绍了除颤仪原理、单相波和双相波电流、波形、能量,分析了除颤仪双相波技术的优点。
Segmented polyurethanes containing amorphous soft segments as reversible phase and crystalline hard segments as fixed phase can exhibit shape-memorizing properties. 摘要聚氨酯是一种多嵌段共聚物，可通过调节原料的组成和配比，得到性能各异的新型功能高分子材料。
Segmented polyurethanes containing amorphous or crystalline soft segments as reversible phase and crosslink points as fixed phase can exhibit shape-memory properties. 聚氨酯是一种具有微相分离本体结构的多嵌段共聚物,可通过调节原料的组成和配比,得到性能各异的新型功能高分子材料。
The analysis adopted a fixed phase which was Apollo C18 column, a mobile phase which was V(methanol) : V(water) : V(acetic acid ) = 75:25:5 at a flow rate of 1.0 mL/min, and UV detection at 254 nm. 采用Apollo C18分析柱;流动相是V(甲醇):V(水):V(冰醋酸)=75:25:5;流速1.;0 mL/min;紫外检测波长254 nm;柱温为室温。
DE BROGLIE AND THE BIRTH OF HIS PHASE WAVE 德布罗意和相波的诞生
The tables are firmly fixed to the floor. 桌子都牢牢地固定在地板上。
The man jacked up his car to fix a flat tire. 那人用千斤顶把他的汽车顶起以修理漏气的轮胎。
I bought a run-down farm house and plan to fix it up. 我买了一间破败的农舍，打算整修整修。
We needed someone to fix the tape recorder. 我们需要有人来修理录音机。
I can fix up you with a used car. 我可以为你提拱一辆旧车。
I tried to fix the date in my mind. 我试着把那个日期牢记在心。
He promised to fix me up with a nice girl. 他答应为我介绍一位妙龄女郎。
The neighbourhood pusher got Joe a fix. 邻里的不法商贩给乔打了一针毒品。
The child is going through a difficult phase. 那孩子正经历困难的阶段。
It's because I do not like to fix work hour. 这是因为我不喜欢固定的工作时间。
The fence posts were fixed firmly in the ground. 栅栏的立柱牢牢地固定在地上。
We will fix the rent at 100 a week. 我们要把租金定为每周100英镑。
The two sets of traffic lights were out of phase. 那两组交通灯不同步。