Study on the Extraction Conditions of Pigment From Sansevieria trifasciata Prain;
虎皮兰色素提取条件的研究
In this paper,use the AAS,Kjeldahl,Soxhlet extraction,capacity analysis,colorimetric method,to determined the nutrition ingredient of Sansevieria trifasciata prain.
采用火焰原子吸收法、凯氏定氮法、索氏提取法、容量分析法、比色法等对虎皮兰中营养成分进行了测定。
In this paper we introduced the abnormal behaviors of budgerigar before strong earthquakes,and the quantificational measurement,and we also introduced how to predict the.
本文介绍虎皮鹦鹉震前异常行为定量化测量方法以及如何预测未来地震的发震时间。
On the basis of a study on acoustic behavior in the Budgerigar,the vibration sensitivity of Budgerigar is further studied by the using oacoustic behavior method.
本文研究了虎皮鹦鹉对正弦振动的敏感性,旨在探索其腿部存在赫氏小体,和阐明其震前声行为反应与地面振动的关系提供依据。