查询词典 mining

It is one of three major accidents in coal mining, and constitutes a serious threat to safety production.

运输事故是煤矿三大事故之一，其对矿井的安全生产构成了严重威胁。

China is also concerned about its air emissions from coal mining.

中国也是国际关注的空气污染来自煤炭开采。

The concept of green technique in coal mining was proposed.

提出了煤矿绿色开采的概念，阐述了它的内涵和技术体系。

It has become one of main factors that restrict development of economy and social advancement of coal mining areas.

采煤沉陷已经成为制约煤矿区经济与社会发展的主要因素。

The company is mining coal in the south of country .

该公司正在国家的南部开采煤矿。

In 2007 alone, some 3,786 coal miners died in mining accidents.

仅仅在2007年，就大约有3，786名煤矿工人死于煤矿事故。

Products are widely used in engineering, metallurgy, mining, coal, petrochemical, shipbuilding and other industries.

产品广泛用于工程、冶金、矿山、煤炭、石化、船舶等行业。

Since the 20th century, the new technology revolution, along with the coal mining technology and equipment, rapid development.

20世纪以来，在新技术革命的带动下，煤矿开采技术与装备迅速发展。

Zhengzhou Coal Mining Machinery Group Co., Ltd , Zhengzhou 450013, China

郑州煤矿机械集团有限公司，河南郑州 450013

coal is china's most important energy resource. the safety of coal mining enterprises in china has always been the focus of attention.

摘 要：煤炭是中国最主要的能源资源，我国煤矿企业的安全问题一直是社会关注的焦点。

Objective:To compare the response control and attention of Schizophrenic patients with that of the healthy controls by Integrated Visual and Auditorycontinuous performance test. To quantitate the impairment of cognitive function in patients, and to explore the relationship between cognitive function and the severity of the disorder.

目的：探讨精神分裂症病人在IVA持续操作测试中的反应控制能力、注意力等，并与健康人进行比较，从而量化精神分裂症病人的认知功能损害，并进一步探讨其认知功能与疾病严重程度的关系。

Main effective factors including subcooling degree, mechanical vibration, gas hydrate reformation, environment temperature, noncondensing gas and surfactant are analyzed.

指出过冷度、机械振动、重复生成水合物、环境温度、不凝性气体、添加剂是影响气体水合物生成的主要因素，还对R152a水合物的放冷进行了实验研究。