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Copper was etched from the unprinted areas of the PEN film using an etchant bath containing a ferric chloride etchant solution of strength 42° Baume supplied by RS.

铜蚀刻从PEN薄膜的未印刷领域使用的蚀刻剂浴含有三氯化铁蚀刻剂的力量解决42 °波美由RS供应。

Concept; In 1989 GRiD Corporation promoted first section to havetouches the type screen then to take along the computer; In 1992,Microsoft has promoted "Windows for Pen", after but two years sufferthe elimination; In 1996 Palm developed the first section successapplication to touch the pen type computer; In 1997 Oracle joinedMicrosoft the ranks to start to study the dull technology; 2000 is oneof plate computer important turning points, Bill Gates starts by 2000,continuously at in two session of Comdex congress speech vigorouslyinitiates the plate computer; In 2002, in plate computer history amost important year, also is a year which most bustles about,This year in May, Gates brings 150 plates computers to attend theMicrosoft year CEO summit, meets in August, plate computer software isbeing open to the computer manufacturer, follows closely in November,the plate computer officially is going on the market, seven bigcomputers manufacturers develop this new product, in December theplate computer Chinese edition goes on the market.

概念；1989年GRiD公司推出第一款带有触摸式屏幕的便携电脑；1992年，微软推出了"Windows for Pen"，但两年后遭淘汰；1996年Palm研制出第一款成功应用的触笔式电脑；1997年Oracle加入微软的行列开始研究平板技术；2000年是平板电脑的重要转折点之一，比尔盖茨由2000年开始，连续两届Comdex大会上的讲话中大力倡导平板电脑；2002年，平板电脑发展史上最重要的一年，也是最忙碌的一年，该年5月，盖茨带着150台平板电脑参加微软年度CEO峰会，接着8月份，平板电脑软件向电脑制造商开放，紧接着在11月份，平板电脑正式上市，七大电脑制造商开发这一新产品，12月平板电脑中文版上市。

It can decrease the surface free energy barrier toward nucleation and accelerate the crystallization rate of PEN at high temperature.

在高温下，SB与PEN发生化学反应，生成可以起到成核作用的物质，降低了PEN的成核表面自由能位垒，提高了PEN在高温区的结晶速率。

We are the general agent of Excel Pen ( Air Erasable Pen and Water Erasable Pen) in China.

我们是Excel Pen 气消笔和水解笔在中国的总代理。

I saw your name and address in 'Pen-friends' magazine,and I would like to be your pen-friend.

我在《Pen-friends》杂志上看见了您的姓名和地址，我希望能成为你的笔友。

I saw your name and address in'Pen-friend'magazine,and I would like to be your pen-friend.

我看见了您的姓名和地址in'Pen-friend'magazine，并且我希望是您的pen-friend 。

Tono-Pen tonometer is the only tonometer can be used for the patient of general anesthesia until now.

Tono-Pen眼压计目前是唯一可用于全身麻醉状态下的眼压计，为做好围术期视力保护工作，应重视Tono-Pen眼压计在术中的推广应用，防止视力损害事件的发生。

When PEN and PET were melt blended, however, transesterification between two homopolymers would take place and the resultant product may be not crystallizable.

PET／PEN共混物在熔融共混时可能会发生酯交换反应，生成嵌段共聚物或无规共聚物，从而对PET／PEN共混物的结晶性能和热性能产生不利的影响。

It is suggested that worn surface of PEN tape by sand dust particles showed bi-fractal characteristics.Ploughing and cutting by sand particles and micro-fracture were found to be the two main mechanisms for each fractal characteristics in large and small scale.

结果表明：经过沙尘磨粒磨损的PEN薄带表面形貌表现出二重分形特征，沙尘粒子的犁沟和切削磨损及PEN材料的微观断裂是引起大尺度和小尺度区间分形特征的主要机理。

The rate constant k ,the activation energy.and induction period of the transestetifieation reaction for the PET/PEN reactive blend were obtained using a kinetic expression based on a second-order reversible reaction mechanism.

根据酯交换反应程度和不同反应温度下的诱导期探讨了酯交换反应与相容性的关系，认为PET与PEN的相容导致或增强了酯交换反应，即相容性是酯交换的必要条件；同时酯交换的发生又促进了PET与PEN的相容。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。