The present invention relates to a fabric with moisture management function. Said fabric has the structure similar to that of plant; its structure is composed of the following three layers of base layer, intermediate layer and top layer. Its base layer is similar to stem of the plant, has gauze stru.....
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本发明涉及一种制备Ｌ－肉碱的方法，其包括如下步骤；步骤１（如图）步骤２（如图）其中，步骤１采用不对称催化氢化反应，步骤２采用相转移反应、碱性催化剂和低温反应条件，从而大大提高了产物Ｌ－肉碱的收率，总收率高达７０％
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The invention relates to an RFID (Radio Frequency Identification Device) electronic seal based container management system and method. The management system comprises an RFID electronic seal, sensing equipment and a control device, wherein the control device is used for giving a sealing or opening c.....
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