查询词典 magnetic

Result 1 Magnetic nanoparticles, magnetic nanoparticles modified with antisense oligodeoxynucleotide of human telomerase reverse transcriptase induced HL-60 tumor cells to apoptosis, we could see typical morphologic change of apoptosis cells: karyopyknosis, chromation"s condensing and aggregation in nuclear, forming crescent-shaped or annulus structures to lean on edge of cell nucleus"s membrane and posing apoptosis body by Atomic Force Microscope, Fluorescence microscope, transmission electron Microscope 2 There was a significant difference compared with control group(p.01), inhibition ratio had significant positive correlation with medication dosage and time ;during 0.8-8μM dosage amplitude, inhibition ratio accrescenced by dosages increasing. However, the inhibition ratio would decrease when dosage over 8-80μM.

结果 1 磁性纳米粒子、修饰有端粒酶反义寡核苷酸的磁性纳米粒子诱导HL-60细胞发生凋亡，原子力显微镜、光学显微镜、荧光显微镜和透射电镜下均观察到HL-60细胞呈现典型的凋亡细胞的形态变化：细胞核固缩，核内染色质浓缩、凝聚、形成新月形或环状结构紧靠在细胞核膜边缘，并形成凋亡小体。2 磁性纳米粒子、修饰有端粒酶反义寡聚脱氧核苷酸的磁性纳米粒子对HL-60肿瘤细胞的生长和增殖有明显的抑制作用，与对照组相比有显著性差异(p＜0.01)，在剂量为0.8-8μmol／L范围内，抑制率随剂量的增加而增加，当剂量超过8μmol／L时，抑制率反而下降；3 磁性纳米粒子、修饰有端粒酶反义寡聚脱氧核苷酸的磁性纳米粒子可增强p53基因的表达活性，引起DNA降解损伤，反向调节细胞周期活动，促使细胞从G0期进入G1期，抑制肿瘤细胞的生长。4 修饰有端粒酶反义寡聚脱氧核苷酸的量子点能通过内吞作用进入HL-60肿瘤细胞的细胞核，可以在细胞内进行定位和促进HL-60肿瘤细胞的凋亡。

In chapter three, on the basis of the new anomalous magnetic Prandtl number in accretion disks, we study the effect of dissipation on magnetic instability of Keplerian disks.

第三章在新的反常磁普朗特数的基础上，我们研究了耗散过程对开普勒盘磁不稳定性的影响。

First, in accordance with calculate formula of a axis magnetic field in the step-tier limitedlengthily solenoid, calculate formula of a axis magnetic field in the multi-tier limited lengthily solenoidis exiserted.

首先根据单层、限长螺线管轴向磁场的计算公式，推导出多层、限长轴向磁场的计算公式。

This magnetic arrangement along with the resulting radial currents from the Neodymium layer creates the roller's magnetomotive forces into motion at right angles to both the electric and magnetic vectors.

这磁性的安排与由此产生的径向水流从钕层创造了滚子的 magnetomotive部队运动成直角的电场，磁场载体。

Results are summarized as follows:(1) The absorption property of CdSe nanoparticle colloid under magnetic field was investigated by magnetic circular dichroism measurement, which proved the discrete energy states in CdSe nanoparticles due to size confinement effects.(2) Aggregation of small nanoparticles was usually observed under HRTEM measurements. In order to obtain HRTEM images of well dispersed particles, surfactant molecules were assembled on the surfaces of mercapto acetate stabilized CdSe nanoparticles.

主要内容如下：（1）用磁圆二色吸收谱测试研究了CdSe纳米颗粒的水溶胶在磁场中的吸收性质，验证了CdSe纳米颗粒中由于量子限制效应而存在的分立的能态；（2）用高分辨透射电镜观察到纳米颗粒的团聚，在颗粒表面接枝上含长链烷烃的表面活性剂分子，使颗粒有效的分散，解决了纳米颗粒团聚的问题。

The effects of methacrylic acidon the magnetic content and surface hydrophilicity of magnetic composites are investigated in detail.

详细探讨了功能单体MAA对磁性复合材料中磁含量和复合材料表面亲水性能的影响。

However, it did speed up the dissolution in the prepassive range, changing oscillation behaviors of iron in 0.5 mol.dm-3 H2SO4. The reactivation process of passivated iron was mainly determined by the electrode potential, and had little to do with the external magnetic field. The investigation also proves that holographic microphotography is a very effective technique in the study of effects of the magnetic field on the electrochemical processes.

外加磁场对铁的活化溶解没有明显的影响，但加快了预钝化区铁的溶解，从而显著改变铁的电化学振荡行为；钝化铁再活化过程主要取决于电极电位，与外加磁场没有关系；研究表明全息显微术是磁电化学研究中一种十分有效的方法。

Electrochemical methods and holographic microphotography were used to investigate the anodic dissolution and potentiostatic current oscillations of iron, and reactivation of passivated iron in 0.5 mol.dm-3 H2SO4 solution in a weak magnetic field (B≤200 mT). The results showed that magnetic field affected the electrochemical process chiefly by accelerating the mass transport.

王超利用电化学和全息显微摄影技术研究弱磁场B≤200 mT）作用下，0.5 mol.dm-3H2SO4溶液中铁的阳极溶解、恒电位电流振荡以及钝化铁再活化等过程，并从电极/溶液界面现场显微动态观察的角度探讨了磁场对上述过程的影响。

Electrochemical methods and holographic microphotography were used to investigate the anodic dissolution and potentiostatic current oscillations of iron, and reactivation of passivated iron in 0.5 mol·dm-3H2SO4 solution in a weak magnetic field (B≤200mT). The results showed that magnetic field affected the electrochemical process chiefly by accelerating the mass transport.

利用电化学和一息显微摄影技术研究弱磁场（B≤200mT）作用下， 0.5mol·dm＾－3H2SO4溶液中铁的阳极溶解、恒电位电流振荡以及钝化铁再活化等过程，并从电极／溶液界面现场显微动态观察的角度探讨了磁场对上述过程的影响。

With indirect magnetization techniques a magnetic field is induced in the part which can create a circular/toroidal, longitudinal, or multidirectional magnetic field in the part.

随着技术的间接磁化磁场诱导的部分，可以创建一个圆形/环形，纵，或多磁场中的一部分。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。