2) composition characteristics
组成特点
1.
Described are the composition characteristics and classification of heavy haul trains,general conditions of the development of heavy haul trains at home and abroad,the scientific basis and operation experiences to operate 5000 t grade heavy haul trains on busy trunk lines in our country.
介绍了重载列车的组成特点和分类、国内外发展重载列车的概况,我国繁忙干线开行5000t级重载列车的科学依据和运用经验。
3) dew-point composition
露点组成
4) boiling point composition diagram
沸点组成图
1.
The reasons of continuous blowdown from rectifying column were analyzed,the condensation process of the mixed gases at the top of rectifying column according to the boiling point composition diagram and the relationship between the pressure at the top of the column and the temperature of condensate was established.
以脱水塔为例,用沸点组成图研究了精馏塔塔顶混合气相冷凝过程中,塔顶压力与冷凝液泡点的关系,从而根据冷凝液实际温度判别放空原因。
5) group of six-point calibration
成组六点法
6) composition of the critical points
临界点的组成
补充资料:闭式单点、双点压力机
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主要参数内容 | 国际先进 | 国内先进 | 国内一般 | 国内落后 | 评定方法及说明 | ||
(一)加工精度 | 参照GB10924-89、GB10933-89、JB5200-91 | ||||||
1、滑块下平面对工作台上平面的平行度(mm) | 30%精度储备 | 20%精度储备 | 达到规定值 | 大于规定值 | |||
0.02+0.10/100×滑块下平面的被测长度 | |||||||
2、滑块行程对工作台上平面的垂直度 | 30%精度储备 | 20%精度储备 | 达到规定值 | 大于规定值 | |||
0.05+0.02/100×滑块行程长度 | |||||||
(二)结构性能 | |||||||
1、离合器、制动器接通率,当滑块行程次数≤16次/分时为70%,≤25次/分时为60%,≤45次/分时为50% | 大于规定值10% | 大于规定值 | 达到规定值 | 达不到规定值 | |||
2、液压超负荷保险装置、微调装置、吨位指示器 | 全部具有 | 全部具有 | 部分具有 | 没有 | |||
(三)噪声dB(A) | |||||||
1、公称力≤400kN | ≤85 | ≤87 | ≤88 | >88 | |||
2、公称力>400kN | ≤87 | ≤88 | ≤90 | >90 |
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条