1) comparison and selection
比选
1.
Analysis of comparison and selection of coal gas desulfurization plan of coke oven of carbonization project of 6×10~5t/a;
60万t/a焦化工程焦炉煤气脱硫方案比选案例
2.
The drafting, comparison and selection of the bridge type scheme for the large-span bridge are a high comprehensive work.
大跨径桥梁的桥型方案拟定与比选是一项综合性很高的工作,该文结合江门市江顺大桥桥型方案的设计情况,介绍了如何在地形、通航、地质条件复杂的情况下,合理布置桥孔,合理选择桥型,以及如何进行科学合理的方案比选。
3.
This treatise taking “The Pipeline Project of Yin-Da-Ru-Gang Water Transportation” as an example, explains some question which should be paid attention to in the Pipeline Project of Water Transportation design from three aspects : the comparison and selection in route and scheme of water transportation ,the choices of pipes material and water hammer defence.
以“引大(大浪淀)入港(黄骅港)管道输水工程”为例,从输水线路及输水方案的比选、管材选用、水锤防护3方面阐述了在管道输水工程设计中应注意的问题。
2) comparison
[英][kəm'pærɪsn] [美][kəm'pærəsṇ]
比选
1.
Technical and economic comparison of construction schemes of track lumber yard in passenger dedicated railway
铁路客运专线轨道板场建设方案的技术经济比选
3) selection
[英][sɪ'lekʃn] [美][sə'lɛkʃən]
比选
1.
Comparison and selection of framework schemes for elliptical coal scuttles;
椭圆型煤斗结构方案比选
2.
The structure and arrangement of LIFAC desulfuration process imported from Finland to control the discharge of SO2 from two 150MW thermal power generators at Zhanhua Power Plant in shandong province, are discussed together with points meriting attention during design and guidelines for selection of critical components,thereby settingan example for design of similar projects.
针对山东沾化电厂新建2台150MW热电机组按照环保要求配置烟气脱硫装置控制电厂SO2排放,通过对几种脱硫工艺进行比选,最终引进芬兰技术的LIFAC脱硫工艺,阐述了脱硫系统构成、布置方式、实施效果、设计时的注意事项以及关键部件的选用原则,为同类工程的设计提供了范例。
3.
The specific quantization scheme based on the national economy evaluation of highway route selection will provide a feasible method for designers when they select highway routes through evaluating on national economy,and will be helpful for promoting the perfection and development of highway economy evaluation in China.
基于公路路线比选的国民经济评价而提出其具体的量化方案,可为设计人员利用国民经济评价选择路线方案提供方便可行的方法,共同促进我国公路国民经济评价的进一步完善和发展。
4) comparison and selection of construction methods
比案比选
5) scheme comparison
方案比选
1.
Special rules of mine engineering scheme comparison;
矿山工程方案比选的特殊规律
2.
Numerical simulation on scheme comparison between two concrete-plug lengths of west tunnel-type anchorage of Balinghe Suspension Bridge;
坝陵河悬索桥西岸隧道式锚碇锚塞体长度方案比选的数值模拟研究
3.
Applications of value engineering in scheme comparisons of a subway station extension project designs
价值工程在地铁车站扩建设计方案比选中的应用
6) selectivity
[英][silek'tiviti] [美][sə,lɛk'tɪvətɪ]
选择比
1.
And this paper explained how to control the profile and the trench depth and the effect of HBr,NF3,He_O2 gas and pressure on etch rate and Si/SiO2 selectivity.
等离子体蚀刻硅深沟道用作存贮器件的储存电容有非常重要的作用,就等离子体在微电子制造领域中蚀刻二氧化硅,多晶硅的原理和如何控制形状(profile)和深沟道的深度做了研究,解释了HBr,NF3,He_30%O2气体,压力对蚀刻速率,Si/SiO2蚀刻选择比的影响。
2.
The etch rate and selectivity of Si and SiNx have been studied in SF6+Cl2 plasma by statistacl experiment method in this paper.
在相同的输出功率和压力的条件下,将Si和SiNx的刻蚀速率和选择比表示为SF6百分比含量的函数。
3.
During etching of silicon,it was analyzed that the etching rate,uniformity and selectivity can be effectively improved by adjusting technological parameters properly,such as gas flow,RF power,working pressure,etc.
介绍了一种压电型微悬臂梁的制作工艺流程,重点研究了其中硅的反应离子刻蚀(RIE)工艺,分析了工艺参数对刻蚀速率、均匀性和选择比的影响,提出通过适当调整气体流量、射频功率和工作气压,以加快刻蚀速率,改善均匀性,提高选择比。
补充资料：比选
1.考校选择。
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