查询词典 sulphur dioxide

In today's chemistry class, our teacher taught us how to carry out an experiment with sulphur dioxide.

今天化学课上，老师带我们做了个关於二氧化硫的实验。

In the last 12 months, its emissions of sulphur dioxide and particulates have come down by 12 per cent and 18 per cent, respectively.

整体而言，在二○○四年空气污染指数超过 100的日数和时数分别为87天和1，250小时；而在二○○五年的已下降致49天和485小时。

The sulphur dioxide pollution has become restricts our country economy and the social development important attribute.

二氧化硫污染已成为制约我国经济和社会发展的重要因素。因此控制二氧化硫排放刻不容缓。

The managing method and standard curve is suitable for testing samples of sulphur dioxide from steamed bread.

用改进后的方法对市售66份馒头进行了二氧化硫残留量的调查。

The country has the world's highest emission of sulphur dioxide and a quarter of its territory endures acid rain.

中国是世界上二氧化硫排放量最大的国家，遭受酸雨侵蚀的地域达到国土面积的1/4。

The country has the world's highest emission of sulphur dioxide and a quarter of its territory endures acid rain.

中国是世界上二氧化硫排放量最大的国家，其国土面积的四分之一遭受酸雨的侵蚀。

It also produces sulphur dioxide, a gas that contributes to acid rain.

它还产生二氧化硫，一种气体，这种气体有助于酸雨。

Produces as much sulphur dioxide as France, Germany and Sweden.

目前，英国所产生的二氧化硫与法国、德国和瑞典三国生产地一样多。

Sulphur dioxide is a pollutant and a major contributor to acid rain.

二氧化硫是一种污染物，并且是形成酸雨的主要因素。

Iodimetric titration is a standard method for the determination of sulphur dioxide in food samples.

酸蒸馏碘滴定法是测定一般食物中二氧化硫含量的一个标准检测方法。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐