研究不同抗氧化剂搭配对镁碳质转炉出钢口管砖抗氧化性能的影响。

Effects of different anti-oxidants on the anti-oxidation properties of MgO-C tapping hole of a converter are studied.

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地下连续墙的接点由柔性改为刚性，其锁口管、连接头箱与施工工艺也起了相应的变化。

The change from flexible connector into stiff connector in the construction of continuous underground-wall brings about the changes of locking pipe, hollow jointer and construction technology.

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目的研究延期留置空肠穿刺造口管间断肠内营养在进展期胃癌术后辅助化疗中应用的可行性及其临床疗效。

Objective to study the feasibility and clinical effects of enteral nutrition by needle catheter jejunostomy (NCJ) tube in the postoperative adjuvant chemotherapy for patients of staged gastric cancer.

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Or in many kinds of gas refrigerators where you push a gas through a nozzle close to room temperature, what you find is that the gas coming out on the other side under lower pressure is cooler than the gas that went through on the other side.

或者在很多种压缩气体式冰箱中,你让气体通过接近室温的管口,你会发现从压力低的一边,出来的气体比通过,另一边的气体更冷,真正的冰箱实际上通过。

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