vacuum-tube amplifier是什么意思

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用法例句

Study on regeneration of ethanol-loaded activated carbon by microwave irradiation under vacuum condition;

载乙醇活性炭真空微波解吸实验研究

The research of far-infrared drying of carrot under vacuum conditions;

胡萝卜远红外真空干燥试验参数的研究

Effects of overlap steps on oxygen production by vacuum pressure swing adsorption;

重叠步骤对真空变压吸附制氧性能的影响

The influence factors on the polyester polycondensation vaccum system and their treatment;

影响聚酯缩聚真空的因素及处理

Different type of vaccum pump and its combination used in existing polyester plant were introduced,also the economic analysis was done.

介绍已有的聚酯装置中所使用的不同形式的真空泵及组合 ,并对其进行经济分析。

Introduced are four displacing methods, namely complete mixing, non-mixing, vaccum deaeration, and pressure displacement.

介绍了常用的四种置换方法,即完全混合置换、无混合置换、真空置换和加压置换。

The craft and application of vacuum brazing for honeycomb material;

蜂窝材料的真空钎焊工艺及应用

Influence of active element Mg on joint properties of aluminum alloy vacuum brazing;

活性元素镁对铝合金真空钎焊接头性能的影响

Morphology of carbide on diamond interface by vacuum brazing;

真空钎焊金刚石界面碳化物的形貌

Industrial experiment on recovering metals from waste zinc-tin alloy by vacuum distillation;

真空蒸馏法从废杂锌锡合金中回收金属的工业试验

Cadmium recovery process and modeling in the Ni-Cd batteries by vacuum distillation;

真空蒸馏回收镍镉电池中镉金属工艺优化模型研究

Purification of γ-irradiated 30 % TRPO-ke rosene by vacuum distillation;

真空蒸馏净化辐照后的TRPO煤油体系

The best processing technology of crispy sweet potato by the method of vacuum frying;

真空油炸甘薯脆片的研究

The manuscript studied the effects of color preservation technology on quality of vacuum fried potato chips by using pretreatment technology before vacuum frying.

采用真空油炸前预处理技术研究了护色工艺对真空油炸马铃薯片品质的影响。

Effects of two pretreatment, combined with vacuum frying on the moisture content, fat content and color value of fried green soy bean were studied.

研究了2种预处理工艺结合真空油炸对毛豆水分质量分数、脂肪质量分数和色差的影响。