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Features NPT IGBT technology low saturation voltage low switching losses switching frequency up to 30 kHz square RBSOA, no latch up high short circuit capability positive temperature coefficient for easy parallelling MOS input, voltage controlled ultra fast free wheeling diodes solderable pins for PCB mounting package with copper base plate

不扩散核武器条约IGBT技术特点的低饱和电压低开关损耗开关频率高达30 kHz的方RBSOA,没有闭锁了高短路能力正温度系数,方便parallelling马鞍山输入,电压控制超高速免费续流二极管,用于印刷电路板焊接的引脚与铜底板的安装包

A7800 Features: 10 Mb s Manchester encoding decoding with receive clock recovery Patented digital phase locked loop decoder re- quires no precision external components Decodes Manchester data with up to g18 ns of jitter Loopback capability for diagnostics Externally selectable half or full step modes of opera- tion at transmit output Squelch circuits at the receive and collision inputs re- ject noise High voltage protection at transceiver interface (16V) TTL MOS compatible controller interface Connects directly to the transceiver cable A7800 Maximum Ratings: A7800 Pinout:· NPT IGBT technology · low saturation voltage · low switching losses · switching frequency up to 30 kHz · square RBSOA, no latch up · high short circuit capability · positive temperature coefficient for easy parallelling · MOS input, voltage controlled · ultra fast free wheeling diodes · solderable pins for PCB mounting · package with copper base plate

A7800特点: 10兆s曼彻斯特编码与接收时钟恢复专利解码数字锁相环解码器重新奎雷斯没有精确数据的外部元件曼彻斯特解码高达全部G18抖动纳秒环回功能用于诊断外部可选的一半或整步模式的歌剧和灰在传输和接收碰撞投入重新ject高噪音在收发器接口(16V的)马鞍山的TTL兼容控制器接口电压保护输出静噪电路直接连接到收发器的电缆 A7800最大额定值: A7800引脚说明:·不扩散核武器条约IGBT技术·低饱和电压·低开关损耗·开关频率可达30千赫·平方米RBSOA,没有锁定了高短路能力··正温度,便于parallelling·马鞍山消耗系数,电压控制·超高速免费·印刷电路板焊接的引脚安装·铜底板包续流二极管

To study bicycle crossing capacity at signalized intersections, a fluid diffusion model is proposed.

为研究自行车在信号交叉口的通行能力,建立流体扩散模型。

In order to improve the numerical robustness of the model under high grid deformation, two-step pressure correction method was applied to calculation of cross diffusion flux separately in the pressure correction equation.

采用两步压力校正法将交叉扩散项单独考虑,以提高模型对高度畸变网格的适应能力。

According to the lower present condition that the temperature control accuracy and the craft control ability of the traditional fritting furnace,a fritting furnace′s intelligence temperature control system which used PLC as its center was presented.

在半导体器材生产企业中,扩散炉是一种关键的大型专用设备,需要操作人员根据工艺要求手动调节仪表的参数来实现对炉体温度的控制,因而其温度控制精度、生产工艺控制能力等较低,从而导致了产品质量差、生产效率低的缺陷。

Oxygen gas diffusion electrode is one of the key factors of electrochemical CO 2 concentrator, therefore, further studies on catalytic ability of O 2 electrode are beneficial to increasing of CO 2 transfer index and velocity.

氧气体扩散电极是电化学CO2 浓缩器的关键因素之一,氧电极催化能力的研究有利于提高CO2 的转移指数和转移速率。

Many researchers have investigated the influence of AMF on vacuum arc. And most of them point out that uniformly distributed AMF is preferable. However, at higher current even under very uniform AMF, vacuum arc still tends to constrict, which will result in the failure of break. Further more, very strong uniform AMF has some disadvantages also.

非均匀纵向磁场对真空电弧控制机理的研究纵向磁场可以使真空电弧在大电流时维持在扩散态,减轻了电弧对阳极和阴极的烧蚀,从而提高了真空开关的极限电流开断能力,因此在真空开关领域得到了广泛的应用。

Exhibiting excellent chemical V-sharped regulation ball valve- and corrosion-resistant capabilities the new valve is pressure-rated up to 225 psi at 68F and has a 10000 cycle life.

参展良好的化学和耐腐蚀能力,新的阀门压力,额定为68至225防扩散女,并有1.0万的循环寿命。

The results show that the rotary air curtain exhaust hood can effectively control the deleterious materials,greatly improve the suction.Therefore,it realizes long-distance trapping and low velocity emission of deleter...

结果表明:旋转射流屏蔽作用下的抽吸流场具有中部压力较低和提高抽吸能力的作用;新型旋风气幕式排风罩不仅能有效地控制有害物扩散,而且可以实现远距离捕集有害物及以较小的排风速度排放有害物。

Saddle shaped AMF can produce a radial expanding force, which has more effective effect on resisting the pinch effect of self-generated azimuthal magnetic field of arc current. This effect of saddle shaped AMF can keep vacuum arc in diffuse mode under much higher current. So the limiting current interruption capacity of vacuum interrupter can be enhanced.

为了进一步提高纵向磁场对真空电弧的控制作用,本文提出在真空灭弧室的触头间引入从触头中心向边缘逐渐增强的非均匀纵向磁场,马鞍形纵向磁场会对真空电弧产生一个径向扩张力,而纵向磁场分布的合理设计可以使这一扩张力进一步抑制真空电弧自生环向磁场对电弧的箍缩作用,从而使真空电弧在更大的电流时仍能保持在扩散态,使真空灭弧室的极限电流开断能力得以提高。

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推荐网络例句

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸,那乌黑、忧郁的眼睛,她便会相信,他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失

But because of its youthful corporate culture—most people are hustled out of the door in their mid-40s—it had no one to send.

但是因为该公司年轻的企业文化——大多数员工在40来岁的时候都被请出公司——一时间没有好的人选。