DSC, thermogravimetry analysis ( TGA ) and circular dichroism ( CD ) were used to study the thermal and optical properties.利用差示扫描量热法(DSC) 、 热失重分析 ( TGA ) 以及圆二色谱 ( CD ) 研究了嵌段共聚物的热性能和旋光性能.The work interposes a glass plate ...
The work interposes a glass plate between two large circular mirrors.该艺术品在两面圆形大镜子中间插入一块玻璃板。a circular tour of the city环城游览The bright boy altered it to a circular form.这个聪明的男孩把它改成了圆形....
When someone has hayfever, the eyes and nose will stream and itch.花粉热临床表现为流泪、流涕，眼睛、鼻子发痒。Let us, however , examine one of the most common allergies ; hayfever.现在让我们来看看最常见的变态反应的一种--枯草热....
It is less polluting than power stations fuelled by oil, coal and gas.比起以石油、煤和天然气为燃料的发电站来说，它的污染要小。the exhaust fumes that are polluting our cities污染我们城市的废气The judge levied a ten thousand dollars fine against the factory f...
她母亲把她四十几岁时穿的所有衣服都包起来烧掉了。Her mother had bundled all her Forties clothes up and burnt them.史密斯先生才四十几岁.Mr. Smith is still in his forties.他家有四十几口人, 可谓是人丁兴旺呀.There are over forty people in his family, one can say they have a ...
His progress at school had been unspectacular compared to his brother.和弟弟相比，他在学校里的进步很不起眼。The lane twists and turns between pleasant but unspectacular cottages.小径在令人惬意而又毫不起眼的村舍间迂回曲折。He had a steady but unspectacular caree...