chemical of concern的意思|示意

Safety and control of major chemical hazard sources are a matter of the utmost concern all over the world.

重大化学危险源的安全控制是世界各国普遍关注的重大问题。

Pyrrole and its derivatives is an important chemical raw materials, its also the more theoretical research of concern in recent years.

吡咯及其衍生物是重要的化工原料，对其理论研究近年也愈受关注。

Green chemistry designed for the environment has arisen as a result of the concern for the chemical industry that post a risk to the environment.

绿色化学是指利用一系列原理来降低或消除在化工产品的设计、生产及应用中有害物质的使用和产生的科学。

The fouling of cooling water has been a major concern in industry. Most of the cooling water which has not been treated by chemical technique will cause pollution to some extent.

工业循环冷却水的结垢问题一直受到人们的关注，目前多采用化学方法对水质进行处理，但会造成一定程度的二次污染。

The effect of applying chlorine-containing chemical fertilizers on paddy field ecosystems is becoming a matter of concern in China with the extensive application of fertilizers such as KCl and NH_4Cl.

随着含氯化肥(氯化钾和氯化铵)在中国的广泛施用，其对稻田生态系统的长期影响成为人们关心的问题。

Although microbial contamination of food continues to account for the majority of instances of illness, consumers still have a high level of concern about chemical residues in food.

尽管细菌引起的食物污染仍然是造成疾病的主要原因，消费者们仍然非常担心食物中的化学残留。