unsound knot,loose knot是什么意思

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用法例句

Study on the inclusion Complex ofβ-cyclodextrin With Turpentine;

松节油β-环糊精包合物的工艺优化

Study on synthesis of turpine hydrate from turpentine with aid of ultrasound;

松节油超声波辅助下合成水合萜二醇的反应研究

FTIR Characteristics of Turpentine and Its Main Derivatives;

脂松节油及其主要衍生物的红外光谱特征

Studies on the chemical constituents of the marine alga Rhodomela confervoides;

海洋红藻松节藻Rhodomela confervoides化学成分研究

To extract the ethanolic compounds from Laurencia tristicha and Rhodomela confervoides.

制备三列凹顶藻和松节藻醇提物,采用原子吸收光谱法测定了海藻醇提物中Na、K、Ca、Mg、Fe、Zn、Cu、Mn8种无机元素含量。

To extract the fatty acids compounds from Laurencia tristicha and Rhodomela confervoides, the fatty acid contents of the two kinds of seaweeds were separated and identified by gas chromatography mass spectrometry (GCMS) method.

制备三列凹顶藻和松节藻醇提物,采用气相色谱-质谱联用仪(GC/MS)对这两种海藻提取物脂肪酸进行了分析,各分离出17个和18个峰,鉴定了12种脂肪酸。

The concentration of the raw rare-earth solution was 120g/L,and the solvent was water of turpentine.

6∶1(摩尔比),温度80℃,反应时间20m in,稀土料液浓度为120g/L,皂化率为90%,以松节水为溶剂,使稀土转化率达到99%以上。