您要查找的是不是：
- This method could separate azadirachtin A from samples and azadirachtin analogues. 该方法可以将样品中的干扰物质和印楝素类似物分开。
- The purity of azadirachtin A could be reached 87.60% from the crude extract of 1.26% by this method. 该方法将印楝素A的纯度从粗提物的1.;26%25提高到87
- A reversed-phase high performance liquid chromatographic method was developed for the determination of azadirachtin A from 0. 采用高效液相色谱法对0.;3%25印楝素乳油中的印楝素A分析方法进行了研究。
- The possibility of using high-performance capillary electrophoresis(HPCE) to determine azadirachtin A was analysed theoretically, and proved experimentally. 从理论角度分析了高效毛细管电泳技术检测印楝素A的可能性,并以试验进行证明。
- The main degradation factors of azadirachtin A was water-holding in the sterilized soil, but in the non-sterilized soil were water-holding and microorganism, and their DT50 were 22.21 and 17.54d. 印楝素A在灭菌土中的降解主要受土壤含水量的影响，而在未灭菌土中主要受土壤含水量和微生物的影响，降解半衰期分别为22.;21、17
- There is a vein of melancholy in his character. 他的性格中有少许忧郁的气质。
- There was a long lag in forwarding mail to us. 转寄给我们的邮件晚了很久才拿到。
- A bowl of hot chicken soup is good for you. 喝一碗热鸡汤对你有好处。
- A cloud is a mass of vapor in the sky. 云是天空中的水汽团。
- A country must have the will to repel any invader. 一个国家得有决心击退任何入侵者。
- A fire was burning in the grate. 火在壁炉中燃烧着。
- They cleaved a path through the wilderness. 他们在荒原中开辟出一条路。
- They denounced him to the police as a criminal. 他们向警方告发他是罪犯。
- This place doesn't have a very savory reputation. 这个地方的名声可不太好。
- This strain of wheat can grow during a cold spring. 这种小麦可以在寒冷的春天生长。
- Have a glass of beer to rinse your dinner down. 喝杯啤酒把你吃的晚饭冲下去。
- I am a hundred percent in agreement with you. 我百分之百同意你的看法。
- A simple test will show if this is real gold. 简单的试验就能证明这是否是真金。
- I am well aware that this is a tough job. 我深知这是一件棘手的工作。
- I bought a pair of tan leather shoes the other day. 前几天我买了双棕褐色的皮鞋。
