1) long-form periodic table
长式周期表
1.
This paper is focused on merit/demerit of the common long-form periodic table and the 18-line elements periodic table.
分析了通用长式周期表和18列元素周期表的优缺点,探讨了32列元素周期表中稀土元素族序数的新标法及电子构型变化的规律。
2) the hand periodic table cf chemical elements
手式元素周期表
3) digital cycle meter
数字式周期表
4) long-term
[英]['lɔ:ŋ'tɜ:m, 'lɔŋ-] [美]['lɔŋ'təm, 'lɑŋ-]
长周期
1.
Methods for Realizing Long-term and Effective Operation of FCCU;
实现重油催化裂化装置长周期高效益运行的途径
2.
The measures for long-term operation of the revamped crude distillation unit in processing high-acidity crude oil in Liaohe Petrochemical Company of PetroChina Co.
介绍了中国石油天然气股份有限公司辽河石化分公司改造后的南蒸馏装置,在加工高酸值原油期间装置达到长周期运行方面采取的措施,主要包括初步设计、材质选用、施工质量、开工前准备、设备管理、精心操作、新技术应用、环境保障和瓶颈问题的处理等,为其它装置加工高酸原油运行提供了经验。
3.
It analyzes key factors that affect long-term running of acrylonitrile production unit and sets forth the rele vant countermea-sure that achieved remarkable result after application in practical production and devoted positive popularization as well as applica-tion value for supervising long-term running of same type of production unit.
分析了影响丙烯腈装置长周期运行的关键因素,提出了相应的对策,并应用于生产实践之中,取得了显著的效果,对于指导同类型装置长周期运行有着积极的推广和应用价值。
5) growth cycle
生长周期
1.
Changes of hair papilla and its role in the growth cycle of the hair follicles;
毛乳头在毛囊生长周期中的变化和作用
2.
Mulberry growth cycle flavonoid content change research
桑叶生长周期黄酮含量变化的研究
3.
The changes in the content of both substrate-glucose and ammonium sulfate,pH and flocculation activity and output of compound microbial flocculant in different periods of growth cycle compound bioflocculant producingbacterium were studied.
结果表明,在整个生长周期中,pH值基本不变;碳氮源变化显著,并存在相关性;进入稳定期后,60h时,絮凝活性达到最大值97。
6) long period
长周期
1.
The long period commercial application of pre - hydrogenation catalyst DZ-1A for reforming feedstocks;
DZ-1A重整预加氢催化剂的长周期工业应用
2.
Reseason for affacting the long period running of gas distributary device and it′s resolvent;
影响气体分馏装置长周期运行的问题及解决措施
3.
Study on the provisions for the values of design response spectra in long period section;
对设计反应谱长周期段取值规定的探讨
补充资料：周期表
分子式：
分子量：
CAS号：
性质：见元素周期表。
分子量：
CAS号：
性质：见元素周期表。
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