The present invention relates to a novel method of preparing chitosan nanoparticles. The method uses nano empty technology so as to simply get pure chitosan nanoparticles and pure emulsion of the chitosan nanoparticles.
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小型莫尔效应人体扫描仪提供一个人体的三维图像用于制作合体的服装。该扫描仪包括一个细长的投影单元，其中的照相光栅用于照射人体。细长的成像单元有位在投影单元旁边的第二照相光栅，和一个用于获取人体图像的数码相机。扫描仪一般地约长４００ｍｍ、高４００ｍｍ、宽１５０ｍｍ，能在正常室内光照条件下使用。
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基於光電容積描記法的血壓測量可以對動 脈血壓進行連續長時間的無袖帶、非侵入式測量。但是，當該方法應用於肢體末端， 如指尖時，末端溫度低於正常溫度值會引起一定的測量誤差。當溫度過低時，溫度對 測量的準確性可能會造成很大的影響。本發明提供了一種方法，可以對溫度變化對血 壓測量造成的誤差進行補償，從而實現溫度補償的自動校正。利用光電容積描記信號 本身特徵隨溫度變化的規律來表徵溫度變化情況，該方法可以補償溫度對由光電 容積描記法測量的血壓結果的影響， 而無需增加其他的溫度感測器。
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The telecommunication industry has produced an explosion of wireless technology. The next generation personal communications networks will need to be able to support a very high level of user traffic along with a wide range of high quality services at varying bit rates. However, the ability for wire.....
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The degradation of contaminant, PAHs is very ineffective and slow. Beside, during soil composting process, the toxicity of PAHs significantly increased with its increased molecular weight. More difficulty, the biodegradation of molecules containing five or more benzene rings of PAHs molecules is ver.....
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