电路板

Fittings series lasers have: a dedicated optical laser lens (spherical and non-spherical), laser diode driver circuit boards and with TTL modulation drive plate, laser-specific power supply (with a soft-start and reverse polarity protection).

激光器配件系列有：激光专用光学透镜、激光二极管驱动电路板及带TTL调制驱动板、激光器专用电源（具有软启动及极性反接保护）。

OHS restricted compounds are found in various printed circuit board assembly components.

OHS 指令限制印制电路板的组装元器件含有被限制的物质。

A number of slots are punched to fit into a circuit board profile.

几个长孔被冲压出来以符合电路板轮廓。

The company's operating range: 1, barrel plating white zinc, color zinc, blue zinc, black zinc, yellow zinc,üzinc, nickel-plated roller, Qing-hong Gu, roll on behalf of chromium, etc.; 2, linked to light-plated nickel, bright chrome, sand nickel, pearl nickel, pearl envelope, Tsing ancient, red ancient, imitation gold, K gold, alluvial gold sweep, pearl silver, etc.; 3, plastic (ABS, PC, PC + ABS, PE, etc.), resin plating; 4, aluminum alloy oxidation, coloring; 5, printed circuit board plating, electronic plating (tin, tin aluminum, gold, etc.); 6, plating for customers to develop new varieties; 7, metal, injection molding.

荣丰公司的经营范围：1、滚镀白锌、彩锌、蓝锌、黑锌、黄锌、军绿锌、滚镀镍、青红古、滚代铬等；2、挂镀光镍、光亮铬、沙镍、珍珠镍、珍珠络、青古、红古、仿金、K金、扫沙金、珍珠银等；3、塑胶（ABS、PC、PC+ABS、PE等）、树脂电镀；4、铝合金氧化、着色；5、印制电路板电镀、电子电镀；6、为客户开发新电镀品种；7、五金、注塑加工。

Unlike soldering methods, which rely on ovens for heating, vapor phase reflow delivers consistent heating across the board.

印刷电路板装配方法是典型的红外对流再流焊，或气相再流焊。

The effect of pyrolysis conditions on the products yield of epoxy resin in waste printed circuit boards was investigated using the vacuum pyrolysis oven heated by temperature controller. The effects of temperature, heating rate, pressure and reaction time on the yield of vacuum pyrolysis production were analyzed.

在真空条件下，应用程序升温的管式炉反应器对废弃电路板中环氧树脂热解规律进行研究，考察不同的热解终温、升温速率、真空度及保温时间等各种因素对产物产率的影响。

The circuit is in a test socket or mounted on a printed circuit board and traverse airflow greater than 500lfpm is maintained.

该电路是一个测试插座或在印刷电路板及导线安装更大的气流比500lfpm维持。

Main works of the author:(1) Has developed a design of charge amplifier which using a kind of integrated chip replace a large number of leave components, though all the realized proposal of measurement circuit for the piezoelectric accelerometer;(2) Has made the circuit board;(3) Has proposed a programme-controlled scheme in the sensitivity throw-over of charge convert and gain throw-over of output amplifier;(4) Has done the experiment, give the experimental result;(5) Has done the error analysis based on the experimental result and the principle of the charge amplifier.

作者完成的主要工作包括：(1)通过对压电加速度传感器的测量电路的各种实现方案的深入调研，提出了一种用集成芯片取代大量分离元件的电荷放大器的实现方案；(2)制作了完整的电路板；(3)在电荷转换部分的灵敏电容的切换和输出放大级的增益切换电路的实现上提出了程控的方案；(4)进行了实验验证，给出了实验结果；(5)在实验结果的基础上，结合电荷放大器原理对系统作了误差分析。

This surface will become the new board shape.

这面将成为新的电路板的形状。

When surface mounted to an FR4 board using the 0.5 sq in drain pad size.

当表面安装到的FR - 4电路板用排水板的大小为0.5平方米。

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。