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Two carbonyl triruthenium metal clusters were separated with cellulose tris (3, 5-dimethylphenyl-carbamate) as chiral stationary phase. The effects of the optimal conditions were determined according to the effects of the mobile phase composition, the flow rate of the mobile phase and the solvents of the samples etc on the chiral separation of the metal clusters.

应用纤维素三（3， 5-二甲基苯基氨基甲酸酯）手性固定相对2种羰基钌金属簇合物进行了拆分，通过流动相组成、流速和样品溶剂等条件对拆分影响的考察对拆分条件进行了优化。

In this work, nanostructure samples of La1-xCaxMnO3（x=0.2、0.3、0.4、0.5）were prepared by hydrothermal-precipitation method . The structural characterization of the powder samples were done by X-ray diffraction. XRD patterns showed that all the samples ate single perovskite-type phase withoutother impurity or secondary phase. The shape and size of samples were performed on Scanning Electron Microscopy. SEM photographs investigated that temperature of hydrothermal effects the phase of samples and alkalinity of the reaction mixture by ΔTad-T curve measurement device at low magnetic fielded

本论文采用水热共沉淀退火法制备了La1-xCaxMnO3（x=0.2、0.3、0.4、0.5）系纳米结构，用X射线衍射仪确定产物为单相钙钛矿结构，无任何杂峰及第二相；用扫描电子显微镜与透射电子显微镜分析了产物的大小和形貌，发现水热温度对产物的形成起决定作用，随着温度的升高，产物由薄膜状向丝状转变，而溶液的碱度可控制产物的形貌和大小，当碱度为6.35mol/L，水热温度为240 C时，La0.6Ca0.4MnO3的主要形貌为纳米丝并有少量纳米颗粒，纳米丝平均直径为40nm；最后测量了粉末样品在低磁场（1.4T）下的磁热效应，发现水热共沉淀退火法制备样品的最大绝热温度明显高于球磨法制备样品的最大绝热温变。

Frequency Synthesizer; Phase Locked Loop; Voltage Controlled Oscillator; Multiple-pass Delay Cell; Dynamic voltage-mode; Phase Interpolation; Quality Factor; Process and Temperature variation; Self-adaptive; Phase Noise; Jitter; Analog circuit

信息科技，无线电电子学，基本电子电路频率综合器；锁相环；压控振荡器；环形振荡器；多通路环延迟单元；动态电压模；相位内插；品质因子；工艺温度波动；自适应；相位噪声；抖动；模拟电路

Using semi-quantitative PCR within the exponential phase, with beta-actin as an external control, the constitutive transcriptional expression of genes of phase I (CYP1A), phase II xenobiotic metabolizing enzymes, HSP70 and ATP1A1 were also investigated.

应用半定量RT-PCR的方法，以β-肌动蛋白作为外参照，在指数期增长范围内分别得到了CYP1A、GSTA、GSTR、HSP70和ATP1A1 mRNA与β-肌动蛋白mRNA的比值，确定黄斑篮子鱼肝脏去毒相关基因的组成型表达水平。

A new three-phase AC voltage-regulating AC circuit which use thyristor three-phase bridge controlled rectifier as three-phase symmetrical Y connection is presented.

提出了一种用晶闸管三相全控整流电路用作三相Y接对称性电阻性负载进行的三相交流调压电路，此调压电路由晶闸管三相全控整流电路改造而成，并分析了工作原理，给出了实验结果。

After power-flow calculation of 110 kV transmission line with open-phase fault, this paper addresses the precautions during long time operation of open-phase transmission line and main transformer, and analyzes the feasibility of load transfer of open-phase line in closed loop network.

文章通过计算 110kV线路单相缺相故障时的潮流情况，阐明了缺相线路及主变压器长时间运行时的注意事项，并对缺相线路能否合环倒负荷问题进行了分析。

See "e-paper" on page 1986, a concept of "Open-phase Motor Protection Discussion Summary," International Electrotechnical Commission to IEC202-1 low-voltage motor starter ② set out by the two-phase motor rated current up to 1,15 times rated current , while the third phase by 0.9 times the rated current to 0, the starter should be in action within 2h.

见《电子报》1986年1观页《电动机断相保护讨论小结》入国际电工委员会IEC202－1低压电动机起动器）中规定之②在电动机两相由额定电流升至1、15倍额定电流，而第三相由0.9倍额定电流降至0时，起动器应在2h内动作。

The following functions can be realized: Measuerment:the effective values of three phase current and voltage, power frequency, active power, reactive power, power factor etc. Motor control: direct starting, converse starting, star and triangle starting, self-starting. Protection:thermal overload protection, current leakage protection, open-phase protection, three-phase unbalance protection, over voltage protection, loss voltage protection, low load protection and fault warning and fault dates memory. Communication: communication of the computer in control room and the microcomputer monitor in the spots is realized by the interface of RS-485. The motor is not only controlled in the spots but also in control room. The dates, information and some functions are shared by the spots and control room too.

该电动机监控器以80C196KC单片机为核心，通过采样三相电流﹑电压信号来实现以下功能：三相电流﹑电压有效值，电网频率，有功功率，无功功率及功率因数等的测量；对电动机实现直接、正反转、星三角及自起动控制；对电动机实现热过载、漏电、断相、三相不平衡、过压、欠压及轻载保护，对故障进行报警及数据记忆；通过RS-485串行接口与中央控制室计算机实现通信功能，对电动机既可本地，也可远程控制；实现控制现场与控制室之间数据、信息、功能共享。

Phase unwrapping algorithm based on edge detection is suitable to well separated fringes, the unwrapped phase can be rewrapped to the original phase map, which shows the result is correct.

4对于低噪声情况下或滤波后的干涉条纹图，在基于边缘检测的相位解缠过程中，利用Snake模型可以高效准确的实现边缘点的连接，所连接的边缘线与干涉条纹很好的吻合，可将连线的精度控制在三个像元。

A GVF snake model was used to link discrete edges, the linked edges were kept well accordance with fringes of phase map. 4Phase unwrapping algorithm based on edge detection is suitable to well separated fringes, the unwrapped phase can be rewrapped to the original phase map.

对一幅干涉相位图的滤波结果表明，该算法很好的抑制了斑点噪声，极大的降低了残余点的数量，保持了条纹边缘和相位细节信息，并使绝对相位保持在一定的动态范围。

A historical region of southwest France between the Pyrenees and the Garonne River. The duchy of Aquitaine was joined with France after the marriage of Eleanor of Aquitaine to King Louis VII in1137, but its possession was disputed after her subsequent marriage to Henry II of England.

阿基坦法国西南部一个历史地区，位于比利牛斯山和加隆河之间，在1137年阿基坦的埃莉诺与国王路易斯七世结婚之后阿基坦公国加入法国，但当她再嫁英国亨利二世后，其归属权便受到争议

There are moments when I look at the smiling , happy faces of my expectant staff and wonder how they will cope when confronted by an outraged housemaster along with an unrepentant and recalcitrant bleached blond teenager in 18 years ' time .

有时候，我看着那些满怀期待的员工微笑，幸福的脸，想着当他们遇到一位愤怒的宿舍管理员和一位不知悔改，叛逆，而且将头发染成白色的18岁少年时，他们会如何处理。