流电

When 45% methanol solution containing 0.5 mmol/L hexamethylene tetraamine was used as the pump carrier, the pump flow rate and output pressure achieved 0.58 mL/min and 0.79 MPa at 4950 V, respectively. By using the pump carrier as the mobile phase, benzene and naphthanlene were separated on baseline by the EFA system.

在4950 V的外加电压下，以含0.5 mmol/L六亚甲基四胺的45%甲醇溶液为泵载流，电渗泵的流量和输出压强分别为0.58 mL/min和0.79 MPa，以泵载流为流动相，该系统对苯和萘进行了反相色谱分离。

Limited invaginated vein stripping,EVLT and RFO were treated for saphneous vein reflux while surgical cut,transfixation,electric coagulation and sclerotherapy were suitable for vein cluster or tributaries.

（1）激光、射频、内翻剥脱是针对大隐静脉有返流的治疗方法；(2)手术切除、皮下连续逢扎、电凝、硬化剂注射对静脉团的处理有很好的效果；(3)切断结扎返流的交通支十分重要。

Capillary phenomena was studied and discussed by the scholars about 200 years ago, but the progress was slow due to the limited equipments and manufacture precision of the microchannel.In recent years, because of the rapid development of MEMS and micromachining, many applications of the capillary flow is widely developing in some modern processes, such as underfilling of flip chip, flow in microfluidic chip or biochip, and a variety of other fields.

摘要 毛细现象大约在200年前便断断续续被欧美学者所研究讨论，但由於当时微细加工受到仪器设备和制造精度的限制，因此发展极为缓慢；近年来由於微机电系统与微细加工之精进，许多具有微流道的应用设备，陆续被制作问世，加上光学显微镜与影像撷取设备的普遍，对於研究此课题的推展极有助益；且随著微生医、覆晶底胶充填与微流体系统等领域之受到重视，毛细现象导致的充填问题、驱动原理及液体流动的控制，都变得相当的重要；本研究基於如此的动机与目的，进行微流道内液体之毛细流动现象及时间的探讨。

The method of simulating the problem of two-dimensional pressure seepage with the method of finite difference,disposing the anomalous boundary by mapping point method and protracting the current net was carried out.

对于二维有压渗流问题，采用有限差分方法进行数值模拟，用映象点法处理非规则边界，并绘出流网，与电模拟试验进行对比，验证了这种方法的可行性。

Projection Current Detector J01465 is suitable for middle schools and polytechnic schools in the teaching demonstration or experiment with the projector as the current detector to measure small electric current and electric potential difference such as electromagnetic induction, photoemission, thermoelectric induction, and bridge measurement.

J01465投影检流计是适用于中学、中专配合投影仪在进行教学演示或实验时测量直流电路中微小电流和微弱电势差，如电磁感应、光电效应、温差电偶、电桥测量等实验的检流计。

The parameters of the machine are measured by no-load test and short-circuit test. The relationship between the exciting current and corresponding air-gap voltage at the rated frequency is obtained, thus determining expressions for exciting inductance and exciting current in linear segment form. The equivalent circuits in a/30 reference frame are based on the parameters by above tests.

通过空载实验和短路实验对异步电机的参数进行了测量，由额定频率下的空载实验测得不同激磁电流与相应的气隙电势，给出了激磁电感与激磁电流的分段线性表达公式，为得到αβΟ坐标系统下的等值电路奠定基础。

First, we adopt MEMS technology to fabricate micro venturis with different widths of 150 and 200 um respectively and utilize FLUENT software to analyze the flow fields. Air was set as the working fluid and the air mass flow rate of inlet is changed to obtain the pressure drop between inlet and outlet. When a flow passes through the throat, the backflow results in the symmetric separations occur and grow with the increase of mass flow rate.

在微文氏管的研究部分，首先利用微机电制程技术制造出两种不同尺寸的微文氏管，宽度分别为150及200微米，开口角度各为45°，总长则为10 mm，再以空气作为工作流体，利用不同质量流率来量测微文氏管进出口的压力差并配合FLUENT软体分析观察其流场分布的情况。

Because of the off-phase motor running to recognize the harm caused by different fault in the implementation phase of the motor protection have had two different views: that the broken phase to the electrical damage caused by overheating point of view to the implementation of the motor overheating protection or inverse-time characteristics of overcurrent protection, thermal relays the resulting program, thermal resistance package with over-current fault protection program delay, and other programs; that the break caused by phase to the motor windings high-voltage breakdown back-EMF's view of Open-phase protection program to take instantaneous action, and some electronic-type protectors available.

由于对断相运行给电机造成的危害认识不同，因此在对电机实行断相保护时产生了两种不同的意见：认为断相给电机造成过热损坏的观点要对电机实行过热保护或过流反时限特性保护，由此产生了热继电器方案、热敏电阻方案、断相过流延时保护方案以及其他一些方案；认为断相给电机绕组造成高压反电势击穿的观点，对断相采取瞬时动作保护方案，于是一些电子式保护器问世。

For safe and full charge, after the charging is finished, charger will change into trickle charge process automatically and the trickle charge rate can be chosen according to battery's self discharge amount.

充足电后，为了补充电池因自放电而损失的电量，充电器将自动转入涓流充电过程，涓流充电速率可根据电池自放电的程度来选择。

According to the Panasonic NiMH charging Manual, permanent trickle charging can cause battery deterioration and the trickle charge rate should be limited to between 0.033×C per hour and 0.05×C per hour for a maximum of 20 hours to avoid damaging the batteries.

根据松下公司的《镍氢电池充电指南》，长期使用涓流方式（以很小的电流长时间充电）充电有可能导致电池损坏；为了防止损伤电池，涓流充电的电流应限制在 0.033×C每小时到 0.05×C每小时之间，最长充电时间为20小时。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。