电路板

We provide you with the following high-quality components, you need to improve the reliability of the equipment: signal isolation / transmitter, relay / optocoupler, lightning / surge protector, switching power supply, with a total Line interface, filter / anti-modules, industrial connectors, sensor / actuator interface module, printed circuit board connector, on-site joint boxes, terminals, the button / indicator light, control / Bus cables and other products.

我们为您提供下述的高品质元器件，以提升您所需设备的高可靠性：信号隔离/变送器、继电器/光电耦合器、防雷/浪涌保护器、开关电源、总线接口、滤波器/抗干扰模块、工业用接插件、传感器/执行器接口单元、印刷电路板接插件、现场接线箱、接线端子、按扭/指示灯、控制/总线电缆等产品。

Produces the red flash under the computer F-V signal function which supple gently changes, in the start process electric current is smaller than the normal work electric current, the voltage imitates 20V to start gradually to elevate until 220V, completely has avoided to the photosource electricity impact; The digital electric circuit board installs the radiator, the light bulb service life may enhance above three times; Canada supposes the lightning protector, further enhances the lamp equipment the service life.

在电脑F-V讯号作用下产生柔和缓变的红色闪光，启动过程中的电流小于正常工作电流，电压从120V开始逐渐升高直到220V，完全避免了对光源的电冲击；数码电路板加装散热器，灯泡的使用寿命可以提高三倍以上；加设避雷装置，进一步提高灯器的使用寿命。

The design of hardware and software is the emphases of this paper, the hardware circuit board which has an ARM core-S3C44B0 is designed for the special situation and use, for the locoman it is easy to operate and it has a friendly interface. The application software is designed on the embedded operating system-uClinux, it is more complicated than the software which is not base on the operating system, but it has more functions than the latter, furthermore it is steadier when running, and it is easier to design when the operating system has many API functions to use.

本文的重点也在控制部分的软硬件设计上，针对本系统的特殊应用，设计了基于ARM芯片S3C44B0的硬件电路板，它完全满足机车操作人员要求的交互作用好、便携，抗干扰的要求；软件部分采用基于嵌入式操作系统uClinux的应用程序，它与一般的前后台系统下的应用程序相比更复杂，但它所实现的功能也是后者望尘莫及的，并且基于操作系统的应用程序运行更稳定。

Musical shoe sole contains respectively printed circuit board, batteries volume adjuster and small-sized loudhailer, in shoe all around bend cant still is installing 4 key board switch, ordinal the key that steps on next shoes, can give out ""," come "," rice "," law " noise of enharmonic accord with, children puts on it, when stepping on next key board switch by dance music score, can enjoy the performance of festively singing and dancing.

音乐鞋鞋底分别装有印刷电路板、电池音量调节器与小型扬声器，在鞋子四面倾斜面还安装着四个琴键开关，依次踩下鞋的琴键，便可发出&都&、&来&、&米&、&法&等音符声响，儿童穿上它，按舞曲乐谱踩下琴键开关时，便可欣赏到载歌载舞的表演。

In high-speed digital system, in order to synchronize the logic gates, use of delay line in board level interconnection is usually required. A popular delay line design is the meander delay line.

在高速数位电路系统中，为使逻辑闸切换能够同步，在做电路板上元件的连接时常须加入延迟线，而最常用的就是蜿蜒型延迟线。

Disclosed are an adhesive composition for a metal foil which comprises a material wherein a tracking resistance test is carried out according to the IEC method by making a thickness of an adhesive layer 30 to 40 mum, using a copper foil pattern with a width of 4 mm and making a distance between electrodes 0.4 mm, then the adhesive layer dissolves out for the first time when 5 drops or more of an electrolyte are dropped thereon, an adhesive-coated metal foil, a metal-clad laminate, a wiring board, a multi-layer board and a multi-layer wiring board using the same.

本发明公开了一种用于金属薄片的粘合剂组合物，它含有一种材料，其中，抗电弧径迹测试是按照IEC方法进行的，粘合剂层的厚度被做成30至40μm，使用了具有4mm宽度的铜薄片图形，并使电极之间的距离为0.4mm，然后，当5滴或更多的电解液被滴加其上时，粘合剂层被首次溶解掉。使用它的一种粘合剂涂覆的金属薄片，一种金属包覆的层压板，一种多层板和多层电路板。

The deformed ball or slug fixed in the hole, which may have a metallised inner surface, functions to conduct heat and/or electricity between a metallised topside (2) and bottom side (3) of the printed circuit board and also between intermediate metallised layers in the case of a multi-layer board.

变形的球或插塞被固定在具有金属化的内表面的孔内，以用于在印刷电路板的金属化的顶面(2)和底面(3)之间以及在多层板的情况下在中间金属化层之间导热与/或导电。

Star Simpson entered Logan I nternational A irport in Boston with a computer circut board and wire s s trap p ed to her chest .

Star Simpson把电脑的集成电路板和电线缠在自己的胸部，进入了波士顿的洛根国际机场。

Some of the walls have glass cutouts in a linear pattern clearly designed to evoke a circuit board—they light up green at night.

一些墙面上有直线型的玻璃分割，设计成像触发电路板——晚上会发出绿光。

The item product leads the vitriol all for white and tasteless crystal, belong to second class have no machine oxidizing agent, often do the strong oxidizing agent usage, also can used to the single body to come together to cause, the erosion and spinnings of the electronics industry circuit board print the bleach of dye the profession.

项目产品过硫酸盐均为白色无味晶体，属于二级无机氧化剂，常做强氧化剂使用，也可用作单体聚合引发剂，电子工业电路板的侵蚀剂及纺织印染行业的漂白剂。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。