In order to explore a new method of processing drying flower, Experimental research for drying fresh flowers utilizing freeze-drying technology were carried out.
为探索干燥花加工新技术，以月季、万寿菊和补血草为素材，利用冷冻干燥技术进行了冻干鲜花的实验研究。
By utilizing theory of elastic mechanics, this paper conducts circular compensator stress analysis. Research gives a calculation method of best pre-stress value.
本文利用弹性力学理论，对圆形补偿器进行应力分析，研究预加应力最佳值的计算方法。
The paper introduces the main element of influencing carbamide utilizing rate and the research method of a new type urease-inhibitor.
本文介绍了影响尿素利用率的主要因素和一种新型脲酶抑制剂的研究方法。
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