To improve the strontium recovery ratio the reaction mechanism in preparation of Sr using vacuum aluminothermic reduction was studied.
为提高锶还原率，研究了真空铝热还原法制备金属锶的反应机理。
The reason of vacuum breaker quenching pot vacuity reduction and the necessity of vacuity online monitoring are discussed.
论述了真空断路器灭弧室真空度下降的原因、在线监测的必要性。
From 1773 K to 1973 K, the reduction experiments of converter slag simulated for slag splashing by silicon were carried out in a vacuum graphite tube resistance furnace.
在1773 ~ 1973K温度范围内，满足溅渣护炉的炉渣条件下，在真空碳管电阻炉中对转炉渣进行了硅热还原实验研究。
Vacuum packing and storage under refrigerated condition can efficiently slow down the reduction of the contents of total flavonoids.
真空包装和冷藏可有效地延缓总黄酮含量下降。
The strontium recovery in producing metallic strontium using vacuum aluminothermic reduction was investigated.
为提高锶还原率，研究了真空铝热还原法制备金属锶的反应机理。
As a result, reduction in thermal insulation performance over time can be restricted even if the vacuum thermal insulation material is bent.
其结果是，即使在弯折真空绝热材的情况下，也可以抑制绝热性能随着时间的推移而降低。
The tests of vacuum system tightness against power unit 5 unit 7 in a power plant have been described and energy reduction of the vacuum system of the turbine has been analyzed in this paper.
通过对某电厂5号机组及7号机组真空系统的严密性试验，分析汽轮机真空系统节能降耗潜力。
Vacuum carbothermal reduction of N2 -atomized 316l powders and effects of green compact density on hot extrusion and properties of extruded products were investigated.
研究了氮气雾化316L粉的真空碳热还原烧结规律和挤压坯密度对热挤压工艺和挤压材性能的影响。
The effects on RH decarburization of several parameters including lift gas flow rate, vacuum pressure reduction curves, KTB starting time and initial carbon and oxygen content are investigated.
考察了提升气体流量、真空度压降模式、KTB吹氧时机以及初始碳氧含量对RH脱碳的影响。
With such advantages as simple production engineering, high purity production, vacuum-thermal reduction technology takes a important position in non-ferrous metallurgy field.
真空热还原制备技术具有生产工艺较简单、产品纯度高等优点，在有色金属冶金领域占有非常重要的位置。
With such advantages as simple production engineering, high purity production, vacuum-thermal reduction technology takes a important position in non-ferrous metallurgy field.
真空热还原制备技术具有生产工艺较简单、产品纯度高等优点，在有色金属冶金领域占有非常重要的位置。
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