1)  nitrogen production by air separation
空分制氮
2)  Nitrogen plant using air separation process
空分制氮装置
3)  air separation
空分
1.
Improvement on the program controller for drying equipment in the air separation plant for the production of PVC;
PVC空分干燥设备中程序控制器的改进
2.
Progress in adsorbents used for air separation by PSA;
变压吸附空分的吸附剂进展
3.
The thesis investigates the feasibility on the CMS manufacturing by hydrothermal upgrading of lignite and the influence on CMS capability of air separation by altering the technics condition of hydrothermal upgrading of lignite.
研究了褐煤原料经热处理改质后制备炭分子筛的可能性,并考察了热解改质的工艺条件对产品空分性能的影响。
4)  air separator
空分
1.
States the latent hazardness of such hydrocarbons as acetylene in air separator, and presents the preventive measures in normal production.
阐述乙炔以及碳氢化合物在空分装置中具有的潜在危险性,并提出在正常生产中的预防措施。
2.
The treatment procedure of low temperature phenomenon in the middle of 10000 m3/h switching plate-type air separator with complete extraction process in restart-up after temporary shutdown was presented and the causes were analyzed.
描述了一起10000m3/h切换板式全提取流程空分临时停车后启动过程中板式中部温度过低的假象的出现和处理过程,并对其原因进行分析。
5)  air distribution industry
空分行业
6)  temporal and spatial distribution
时空分布
1.
Characteristics of temporal and spatial distribution of mountain flood in China;
全国山洪灾害时空分布特点研究
2.
Study on temporal and spatial distribution character of air pollutant in Urumqi;
乌鲁木齐市大气污染物时空分布特征研究
3.
Climatic calculation of solar energy in Ningxia and its temporal and spatial distribution;
宁夏太阳能资源的气候学计算及时空分布特征
参考词条
补充资料：分程控制系统
分子式：
CAS号：

性质：有两个或更多个执行器受同一个控制器操纵，而且各执行器的工作区间不同的控制系统。例如，一个执行器在控制器输出值的0～50％范围由全开到全关，另一个执行器却在控制器输出值的50％～100％范围由全开到全关。分程控制系统用在不同工况需要不同控制手段的场合，也可用以扩展控制阀的可调范围。

说明：补充资料仅用于学习参考，请勿用于其它任何用途。