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Mainly discuss fluorborate terne electroplating solution in use for PCB fabrication.

印制线路生产中所用的氟硼酸盐镀锡铅溶液。

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Technique of protection insullac of printed circuit board (PCB) has a strong impact on service life of electronic devices in ships.

印制的三防绝缘处理对舰用电子设备的使用寿命有大的影响,本文主探讨印制三防绝缘漆喷涂工艺的一些改进。

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Yancheng company serves a wide range of customers including PCB producer, photoelectronics product company, membrane switch producer, scutcheon board and electronics plastic factory etc.

面对的行业有:光电电子、印制电路开关、标牌面、仪表、塑胶电子等。

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In the production process of PCB, there are many defects such as surface smudginess, solder mask unevenness, text excursion, pad damage, track damage etc.

在印刷电路的生产过程中,会产生外观不整洁、阻焊不均匀、文字偏移、线路及焊盘破损等缺陷。

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deray, Derby, derby hat, derbylite, Derbyshire, dere, derealization, derealize, derecognize, DERED,

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3G, 401(K), a,

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经济学人-科技

The result is fish that are more or less immune to PCB poisoning.

其结果是此鱼类少的对PCB产生免疫作用。

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经济学人-科技

As is the way of evolution, however, some fish species have developed resistance to PCB poisoning.

然而,某些鱼种已经产生PCB抵抗,这就是进化。

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经济学人-科技

It appears to work equally well, whether or not it has PCB passengers on board.

无论结合PCB与照样工作。

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经济学人-科技

Two of them seem particularly resistant to the effects of PCBs.

的两种变异似乎具有特殊抵抗PCB的作用。

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经济学人-科技

But PCBs are persistent chemicals, and their effects are felt even today.

但PCBs是惰性化工品,即便是今天,它的影响依然存在。

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Discovery纪录片《认识细菌》

And DDT and PCBs two of the most poisonous and long-lasting substances known continue to threaten aquatic wildlife.

滴滴涕和多氯联苯是已知的两种毒性和持久性最强的物质,它继续威胁水的野生动物。

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DEFCON Collection

So BGA devices some security conscious PCB design and PCB routing can make a big difference.

因此,BGA器件、一些安全意识的印刷电路设计和印刷电路布线可以起到很大的作用。

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科技智慧坊

They also provide PCB  assembly services where they populate and solder the components to the PCB.

还提供 PCB 组装服务,将组件安装并焊接到 PCB 上。

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科技 Crash Course

For this, engineers had another innovation: printed circuit boards, or PCBs.

为此,工程师进行了另一项创新:印刷电路 PCB。

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科技智慧坊

Printed circuit boards or PCBs are everywhere  and inside this mouse, you can find four of them.

印刷电路 PCB 无处不在,在这款鼠标,您可以找到其的四个。

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Discovery纪录片《认识细菌》

After having spilled PCBs and other pollutants into the river in the 1970s, many industries simply moved leaving the contaminated sites behind.

在上世纪70年代,多氯联苯和其污染物排入河流后,许多行业搬离了这些受污染的地方。

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经济学人-科技

PCBs do their damage by binding to a protein called the aryl hydrocarbon receptor, or AHR, thus stopping it working properly.

PCB的危害来源于它结合一种称为芳香烃受体(AHR)的蛋白质,从而停止该类蛋白的正常运转。

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问答进行

You've got the PCB, the casing, the plate, which kind of make up the brains and the body of the keyboard.

你有PCB,外壳,,它构成了大脑和键盘的主体。

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问答进行

The casing sort of houses all of the components while the PCB is the actual electronic circuit that communicates with your computer.

外壳容纳了所有组件,而 PCB 是与计算机通信的实际电子电路。

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PBS访谈环境系列

So, these are ducts (ph) and PCBs, heavy metals like lead and arsenic that have been in the soil, in sediment at these sites for decades.

因此,这些是管道 (ph) 和多氯联苯,重金属如铅和砷,几十年来一直存在于这些地点的土壤和沉积物

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科技智慧坊

Also, take a look at our channel page where we cover other topics such as how touchscreens work, how PCBs work, or how cameras in your smartphone work.

此外, 请查看我的频道页面, 我在其介绍了其主题,例如触摸屏的工作原理、PCB 的工作原理智能手机的摄像头的工作原理。

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科技 Crash Course

By using PCBs and ICs together, one could achieve exactly the same functional circuit as that made from discrete components, but with far fewer individual components and tangled wires.

通过将 PCB 和 IC 一起使用,可以实现与分立元件完全相同的功能电路,但单个元件和缠绕的电线要少得多。

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DEFCON Collection

You know traces that are on the outer layers of the PCB you can actually scrape off the solder mask and get at those. but you're gonna have less options.

你知道,在印刷电路的外层上有痕迹,你实际上可以刮掉焊接掩膜,然后拿到这些痕迹。但你会有更少的选择。

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DEFCON Collection

You don't need to take anything apart at the PCB level but just the key things you want to do is find all the flash storage devices, figure out how you can access them.

你不需要在印刷电路上拆开任何东西,但你要做的关键是找到所有的闪存设备,找出如何访问它

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问答进行

In the hobby, when we say a kit, we basically mean it's a case, a PCB, and a plate and you then buy your own stabilizers, switches, and key caps and you basically build that keyboard from the ground up.

在业余爱好,当我说套件时,我基本上指的是它是一个外壳、一个 PCB 和一个,然后您购买自己的稳定器、开关和键帽,然后您基本上从头开始构建键盘。

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derelict, dereliction, derencephalocele, derencephalus, derepress, derepression, derepressor, derequisition, de-requisitioning, dereserve,

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3G, 401(K), a,
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