Mode photonic crystal fiber comprises a core of a substantially transparent material having a core. Said core material having a core refractive index and length, and having a core diameter. Surrounding said optical fiber further comprises a core material at the outer cladding region. The cladding re.....
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One kinds of shape memory alloys are driven by the non-wheel motor mechanism, comprising: a main body frame, which forms a receiving space; turning portion, provided on one side of the body frame can be rotated relative to the main frame and including a ratchet (3 ); and a mobile portion, provided o.....
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A method for detecting sudden-up and sudden-down of voltage includes generating reference sine signal with the same phase and fixed amplitude as voltage signal of power supply, rectifying power supply voltage signal and reference sine signal then comparing rectified power supply voltage signal with .....
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一种采用射频鉴别的计算和验证装置，包括信息记录部分以及计算和验证部分，其中信息记录部分包括：具有射频鉴别标记的记录体，在射频鉴别标记中存储了数据和信息；其中计算和验证部分包括：智能计算和验证箱体（１），传感器（２）和天线（３），同轴电缆（４），以及通过同轴电缆（４）与传感器（２）和天线（３）相连的外置或内置ＣＰＵ的射频鉴别读出器（５），传感器（２）用于辅助检测记录体是否工作正常，天线（３）用于检测记录体上的射频鉴别标记，读取记录的数据和信息，并将读取的数据和信息经同轴电缆（４）传送到外置或内置ＣＰＵ的射频鉴别读出器（５），射频鉴别读出器接收数据和信息，外置或内置ＣＰＵ则将接收的数据和信息解密和.....
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The present invention relates to a method of treating wastewater such as landfill leachate inorganic and organic compounds. The treatment method involves the use of a core and a hydrophobic amine-containing polymer shell microspheres composed of a bipolar. Preparing said microspheres and structural .....
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