1) 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
2) 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。
3) long term
长周期
1.
Since the long term temperature records are not available in China,there is a lack of BIN weather data for study and application.
由于在国内尚无法得到长周期逐时温度参数,关于温频法气象参数的研究和应用相对缺乏。
2.
The realization of honeycomb used in Chengde steel high speed wire furnace long term,which has some reference valuee for other rouing mill adoption honegcomb.
阐述蜂窝体在承钢高线加热炉长周期使用的心得,对其他轧钢厂采用蜂窝体有一定的参考意义。
4) Long cycle
长周期
1.
Impact of metal ions impurities on long cycle zinc electrowinning;
金属杂质离子对长周期锌电积的影响
5) long-period
长周期
1.
The present paper introduce mainly basic principle, device characteristic and making method of long-period fiber grating and outlines the application status in optical communication and sensor system.
介绍长周期光纤光栅基本工作原理、器件特性和制备方法，同时对这种器件在光通信和传感系统中的应用状况作了简要概述。
2.
After technical innovation and operation condition optimization,the unit achieved long-period operation,maintenance cycle reached 941 days.
后来经过技术改造、优化操作条件,装置实现了长周期运行,维修周期达941d。
3.
In this paper, we use the digital broad-band records to study the characteristics of long-period ground motion.
为研究长周期地震动反应谱特性,本文首次采用了地震学研究所使用的宽频带数字地震记录作为数据基础。
6) 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。
补充资料：长周期
分子式：
CAS号：
性质：在聚合物单晶毡中，晶片间的周期性间隔(长度)称为长周期，它与晶片厚度密切相关。长周期可用X射线小角衍射测定，典型的情况长周期平均值约为10nm。类似的间隔在熔体结晶聚合物中亦可用电子衍射观测。结构的类似周期性在取向了的合成纤维中亦被发现，其散射单元间隔约在5～100nm。
CAS号：
性质：在聚合物单晶毡中，晶片间的周期性间隔(长度)称为长周期，它与晶片厚度密切相关。长周期可用X射线小角衍射测定，典型的情况长周期平均值约为10nm。类似的间隔在熔体结晶聚合物中亦可用电子衍射观测。结构的类似周期性在取向了的合成纤维中亦被发现，其散射单元间隔约在5～100nm。
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