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: ...
还有一些不太常有的设施，包括图书馆和健身房。Other amenities, less commonly available, include a library and exercise room.在我看来，减少图书馆的数量并不是真正的节约。It seems a false economy to me to cut down on libraries.我正打算到邻近的图书馆跑一趟。I was going to pop up to th...
去年11月，军队被派往这些岛屿以恢复秩序。Troops were sent to the islands to restore order last November.他把找到那座岛屿当成自己的人生目标。He made it his object in life to find the island.这些岛屿位于千岛群岛的南端。The islands lie at the southern end of the Kurile chain...
你喜欢米制布丁上面那层薄皮 吗 ?Do you like skin on your rice pudding?公里是米制中最大的长度单位.The kilometer is the biggest unit length in the metric system.单位中的压力级制相同, 但计量单位采用米制.Units of pressure - tier system, but the use of metric units of mea...
He is legendary for his fearlessness and pugnacity.他是出了名的大胆好斗。Fearlessness stems from selflessness.无私故能无畏.It is our duty to cultivate the spirit of boldness and fearlessness.我们的责任是培育大无畏的精神....
You might use a yellow filter to improve the clarity of a hazy horizon.可以使用黄色滤光器让模糊的视野更加清晰。It's as if I'm living in a hazy dream world.我好像生活在缥缈的梦境里。Generally, it will be rather hazy today, with some hill fog.总体...