plume structure是什么意思

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Chemical and physical properties of feather fiber;

羽毛纤维的耐化学试剂性能

Preparation and research of the feather keratin solutions;

羽毛角蛋白溶液的制备及研究

Research on technology of preparation of compound amino-acid from feather proteins;

利用羽毛蛋白制备复合氨基酸的工艺研究

African ostrich feather from Yingkao ostrich joint-stock company in Shaanxi is the raw material.

以陕西英考鸵鸟股份有限公司养殖的鸵鸟羽毛作为原材料,在了解鸵鸟羽毛组织构造的基础上,对鸵鸟羽毛漂白增白及染色工艺过程中应该注意的几个主要工序,如脱脂、媒介、退色漂白、增白、染色等,以及如何减少羽毛损伤,保持鸵鸟羽毛柔软丰满以及其它独特性能等问题进行了研究,制作出了柔软、丰满、飘逸、鲜艳的鸵鸟羽毛加工品。

Feather crystals are often existed in conventional DC casting 7050 Al alloy ingots.

常规DC铸造7050铝合金铸锭常常含有羽毛晶组织缺陷。

Study on capability of modify feather absorbing chrome;

改性羽毛对工业废水中Cr_2O_7~(2-)的吸附性能研究

With the apphcation of ultrasonic wave in hydrolysis of feather powder with sulphuric acid, the yield of amino acid increases to 93.

将超声波技术应用于硫酸水解羽毛粉,经8h水解反应后,氨基酸的生成率可达93。