ultracentrifuge

1. Ultracentrifuge A high-speed centrifuge, operating at up to a million revolutions per second that is used to sediment protein and nucleic acid molecules.
   一种高速离心设备，运转时转速可达每秒百万转，常用于沉淀分离蛋白质与核酸分子。
2. Methods Human VLDL was prepared by one step ultracentrifuge and oxidized by Cu 2+ in vitro; Que and Iso in different concentrations were added to VLDL before incubation with Cu 2+.
   方法采用一次性密度梯度离心法分离人血浆VLDL，用Cu2+进行体外氧化修饰，抗氧化组在温育前加入不同浓度的Que和Iso。
3. The rubber ( R) phase and polystyrene ( PS) phase of high impact poly-styrene ( HIPS) prepolymer were separated by means of ultracentrifuge, in order to investigate their rheological behavior separately.
   用超速离心法将高抗冲聚苯乙烯预聚体分离成橡胶相和聚苯乙烯相后，分别研究两相的流变特性，然后将预聚体的粘度与两相的粘度进行关联。
4. Preparation of lyophilized bacteria strains by ultracentrifuge
   超速离心机制备冷冻干燥保存菌种
5. Two peaks were obtained in elution development. The result was checked up to be identical with that observed in ultracentrifuge analysis. According to the proteins contained, the percent recovery of subunit species was 91% in approximate estimation.
   洗脱曲线呈现两个峰，其结果与样品超速离心分析结果一致，按蛋白质含量粗略计算，核糖体亚基回收率为91%。
6. The main research contents and conclusions are as follow: 1. KGM with good water solubility has been isolated from Konjac flour, through defatting 、 deprotein 、 decolor 、 ultracentrifuge 、 precipitation etc.
   从魔芋精粉出发，经过脱脂、脱蛋白、脱色、离心、沉淀等步骤纯化得到具有良好水溶性的魔芋葡甘聚糖。
7. The noise of compressed air. Air-driven Ultracentrifuge
   车辆运行时的空气动力噪声；气动超速离心机
8. Methods: Human HDL was prepared by one-step ultracentrifuge and oxidized by Cu2+ and Fe2+ in vitro.
   方法采用一次性密度法分离正常人血浆HDL，用Cu2+，Fe2+进行体外氧化修饰。
9. Methods Beagle dog liver microsomes were prepared by using ultracentrifuge method.
   方法差速离心法制备Beagle犬肝微粒体酶，0.4μmol。
10. The domestic centrifuge is started late and developed slow. Ultracentrifuge is rarely in China for now. There are gaps with foreign countries in machine intelligence, temperature control and other aspects.
    国内的离心机起步晚、发展缓慢，目前超速离心机在国内尚为少见，且在整机智能化、温度控制方式等多个方面都与国外存在着差距。
11. Accurate parameters are the basis for the assessment of ultracentrifuge.
    精确的状态参数是进行状态评估的依据。

noun

1. a high speed centrifuge used to determine the relative molecular masses of large molecules in high polymers and proteins

verb

1. subject to the action of an ultracentrifuge