1) acrozone
极顶带
2) primary climax
地带性顶极
3) District forest climax community
地带性森林顶极群落
6) strip
[英][strɪp] [美][strɪp]
带极
1.
Study on high-speed surfacing process with strip of 75 mm in width;
75mm宽带极高速堆焊工艺研究
2.
This paper describes the basic conditions for electric slag cladding process with Ni-base alloy strip, raises a complete set of electric slag cladding process with INCONEL 690 Ni-base alloy Strip including test plate, welding materials, standard Properties and necessary auxiliary process meadures, and analyzes the factors affecting the cladding quality.
讨论了实现镍基合金带极电渣堆焊工艺的基本条件，提出了一套完整的INGONEL690镍基合金带极电渣堆焊工艺，包括试板、焊材、规范参数和必要的辅助工艺措施，并分析了有关影响堆焊层质量的因素。
3.
Using a new microcomputer controlled strip overlay welder and providing suit-able welding current,voltage ,and speed, the influenee of magnetic poles position and mag-netically controlled current on the appearance of weld is investigated for the electro-slag sur-faeing and the high speed surfacing with 75 mm strip.
利用新研制的微机控制带极堆焊设备，在满足工艺要求的焊接电流、电压和焊接速度等参数下，研究了磁极位置和磁控电流对７５ｍｍ宽带极电渣堆焊和高速带极堆焊焊缝成型的影响规律。
补充资料：垂直地带性
指达到一定高度的山地，气候、水文、生物和土壤等自然要素及自然带从山麓到山顶随高度增加而逐渐更替的分布规律。主要因气温随高度增加而递减引起，也与不同高度和坡向的水分条件变化有关。
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