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问题 问答题 简答题

简述组织出口炭阳极的生产应注意哪些细节。

答案

参考答案：

出口阳极的生产注意的环节：

（1）严格工艺制度，d锻后焦＞2.06g/cm3

（2）出炉外观清理干净，d体生坯＞1.67g/cm3

（3）外包装整齐

选择题

一定质量的铜粉和碳粉的混合物，在足量的空气中充分灼烧后其固体与原混合物的质量不变，则原混合物中铜粉和碳粉的质量比为 [ ]

A．4：1

B．2：1

C．3：2

D．1：1

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单项选择题

For years we have believed we were either healthy or sick. (55) , during the mid-90s, scientists developed a new concept called "sub-health", a status (56) health and illness. The concept of sub-health has become (57) because it has helped to explain many health problems. (58) one study, only 5. 6% of people in the overall population are actually sick, (59) the subhealthy group consists of about 60%, and the (60) population is considered healthy. (61) of one’s sub-health will help one to be alert to the underlying disease and remain healthy. Sub-health is a state in which the body is (62) turning from health to illness or from illness to health. Our bodies are actively (63) the conditions of health, sub-health and disease. Factors (64) aging, internal or external toxicity (毒性), and body or mind exhaustion may cause sub-health, but taking good care of the body can change a sub-healthy status to a healthy one.

56().

A.already 

B.still 

C.neither 

D.either
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