比色法涉及氟离子对预先形成的颜色的消色作用.The colorimetric methods involve the bleaching of a preformed color by the fluoride ion.用香草醛-冰醋酸比色法测定西洋参中总皂甙的含量.The content of ginsenoside in Panax quinquefolium L was determined by colorimetry.方法: ...
她一副遭人遗弃和背叛的样子。She had the look of someone deserted and betrayed.她又高又瘦，一副精明过人的模样。She was thin and spare, with a sharply intelligent face.她想象着他噔噔噔地走向车子，一副自以为是的模样。She visualized him stomping to his car, the picture of self-...
Harrell snorted with laughter...哈勒尔扑哧一声笑了。He snorted with exasperation.他愤怒地哼了一声.He snorted loudly and shook his head.他响亮地哼了一声，摇了摇头。Phil's tormentor snorted derisively.折磨菲尔的人嘲讽地哼了一声。The horse snorted and stamped its ...
那户人家把马养在屋前的小围场里。The family kept horses in the paddock in front of the house.我已经把马修原来住的房间装饰了一番。I've fixed up Matthew's old room.要把马练好,缰绳靴刺不可少.It is the bridle and spur that makes a good horse....
The incipient lethal temperature are shifted upward by acclimation to warmer temperature.四角蛤蜊起始致死温是随驯化温度的变化而改变.A respiration rate compensation throught thermal acclimation is demonstrated by E.温度驯化能导致速率补偿,表现为25℃驯化河蟹的呼吸率明...
A gust of happiness swept through her.一股幸福的暖流流遍她的全身。The leaves were caught up by a sudden gust of wind.突然一阵风把树叶吹起。A gust of wind caught the parachute.一阵风将降落伞吹远。...a small gust of pleasure.短暂的一阵欢喜A hurricane-force gust bl...
The characteristics of small faults are coarctation and zonation with clear direction.小断层具有密集成带的特点,且方向性明显,成为影响煤矿生产的主要地质因素.This portion of aorta was resected from a patient with a coarctation.主动脉的一部分,通过切除一例主动脉狭窄病人的主动脉而得来....
有人剪掉了我们郁金香的花冠。Somebody lopped the heads off our tulips.桌上的花瓶里插着一束郁金香.In a vase on the table stood a tulip.她每天早晨都给郁金香浇水.She waters the tulips every morning....