Nitrogen Protection's Effect on Solder Joint Appearance in Lead-free Reflow Soldering;
氮气保护对无铅再流焊焊点外观质量的影响
Nitrogen protection can improves wettability of lead-free solder and solder joint quality.
无铅钎料差的润湿性给传统电子组装工艺带来了巨大的挑战,氮气保护有利于改善无铅钎料的润湿性,提高焊点质量。
Based on this, a combination nozzle with high pressure water-atomizing and low pressure nitrogen protection functions is designed to manufacture spherical or quasi-spherical stainless steel powders.
从国内外研究水雾化制粉的现状入手 ,在综合国内外研究资料的基础上 ,为实现高压水雾化制取不锈钢球形或类球形粉末 ,设计了一种高压水雾化、低压氮气保护的组合雾化喷嘴。
preserve peeled potato with nitrogen
用氮气保存去皮的马铃薯
The housewife pared the uncooked potatoes
那位主妇削去生的马铃薯皮。
Physiological changes of potato callus during low temperature conservation
马铃薯愈伤组织低温保存的生理变化
Characteristics of nitrogen utilization under different nitrogen strategies of potato
不同施氮量对马铃薯氮素利用特性的影响
crisp fried potato peeling.
脆的、油炸的马铃薯皮。
The potatoes were cooked in their jackets.
这些马铃薯是带皮煮的。
peel a banana [potatoes]
剥香蕉 [马铃薯] 的皮
His job was to peel potatoes.
他的工作是削马铃薯皮。
Effect of alternate partial root-zone irrigation on nitrogen and water use efficiency of potato
分根区交替灌溉对马铃薯水氮利用效率的影响
The Existing Problem and Suggestion of Potato Storage in Gansu
甘肃马铃薯贮藏保鲜中存在的问题及建议
Characteristics of Nitrogen Utilization under Different Nitrogen Strategies and Nitrogen Diagnosis in Potato;
不同氮肥运筹下马铃薯氮素利用特性及营养诊断的研究
Nitrogen Management of Potato Based on SPAD Diagnosis
基于SPAD诊断的马铃薯的氮肥管理
Diagnosis of Potato Nitrogen Nutrition Status by Use of Chlorophyll Meter SPAD-502
马铃薯氮素营养状况的SPAD仪诊断
He scraped the potatoes before frying.
他炸马铃薯前先将马铃薯刮皮。
Design and practice of big constant temperature freshkeeping storage for processing potato
大型加工用马铃薯恒温保鲜库的设计与实践
Use of the Endosperm Balance Number(EBN) in Potato Genetics and Breeding
多效唑对晋薯7号马铃薯的调控作用
Low Temperature Conservation of Potato Germplasm by Plantlets and Studies on Genetic Stability;
用试管苗低温保存马铃薯种质及其遗传稳定性研究
Techniques of Nitrogen Diagnosis and Their Use in Potato Production
氮素营养诊断技术的发展及其在马铃薯生产中的应用