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Through the acquisition of welding currents and voltages during welding ,the arc behavior of welding process was analyzed.

对焊接过程的电流及电压波形进行采集，分析焊接过程的电弧行为。

Due to transient inductances of AC exciter are functions of rotor position and armature winding currents,which are easily influenced by armature current switch on and ferromagnetic material saturation,therefore,analytical method has its limitation to consider current time-variation and ferromagnetic material saturation.

摘 要：由于交流励磁机电枢绕组电流在导通期间的时变性以及铁磁材料饱和特性的影响，瞬态电感是转子位置和电枢绕组电流的多元函数，解析法难以准确计及电流时变性和铁磁材料饱和性的影响。

A model of self-controlled synchronous motor (including double armature winding synchronous motor) is developed which takes account of damper winding according to its actual structure. The damper winding is represented by two sets of loop on each axis based on multi-loop method and bar currents may be calculated.

本文首先建立了包括参数计算在内的自控式同步电动机（包括双电枢绕组自控式同步电动机）的数学模型，该模型采用多回路法处理阻尼绕组，便于计算阻尼条的电流，可以比较准确地分析阻尼绕组对电机运行性能的影响。

Based on the transient simulation program of stator winding internal faults in synchronous generator, this paper presents the effect of stator winding and damper bar resistance on transient and steady currents. It is very necessary to calculate precisely the resistance of stator winding and damper bar resistance in order to simulate fault correctly.

应用同步发电机故障暂态仿真程序分析了定子和转子回路的电阻对发电机故障暂态过程的影响，结果表明为了准确进行发电机内部故障暂态过程计算，应该全面考虑影响的各种因素，准确求取定子和转子回路的电阻。

The natural bay under the ice means that the whales are protected from the strong currents of the wider ocean and left to breed in peace, while also leaving them free to roam as they wish.

冰层下的天然海湾意味着白鲸受着广阔海洋里强大电流的保护，并保证育种的稳定，虽然也依照它们的意愿任其漫游。

AIM To investigate the ionic mechanism of N-methyl berbamine on lowering blood pressure by recording calcium-activated potassium currents in the rat mesenteric resistance vascular smooth muscle cells.

目的研究N-甲基小檗胺对大鼠肠系膜阻力血管平滑肌细胞钙激活钾电流的作用，以阐明其降血压的离子机制。

Aim To investigate the effect of N-methyl berbamine on calcium-activated potassium currents I(subscript KCa in rat mesenheric artery smooth muscle cells.

目的 研究N-甲基小檗胺对大鼠肠系膜阻力血管平滑肌细胞钙激活钾电流I(下标 KCa的作用，以阐明其降血压的离子机制。

Since differential protection has unbalanced currents, differential protection of ratio braking style was employed.

鉴于差动保护存在的固有不平衡电流，采用比率制动式差

MOTC Directorate General of Highways, Xie Zhexiong:"We deepen the foundations, so no matter how low the riverbed gets, we're still underneath it. Then we make the pillars thinner, so they're less susceptible to fierce currents. The advantage of substructure replacement is it's cheap, and lasts forever. Finally, during construction the bridge can stay open."Alternative to thick bridge piers?

公路局第二区养护工程处课长谢哲雄：「我们把基础加深，深了以后河床再怎麼降低，还是在河床下面，然后我们的墩柱再稍微减细，减细以后它受的攻击坡会比较少，换底工法的好处就是节省经费，也就是永久的，最后在施工的时候，桥上的车子照样通行。

When SBD-2 Aircraft Power Transform Cart is parked near a aircraft, operaters can connect Input connector to aircraft 115 V 400HZ power in order that the charging battery on the carts can be charged smartly with limited voltages and currents.

运载车辆停在飞机下面后，输入电源接插在飞机115V400HZ电源上。给电动车电瓶进行限压限流智能充电。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。