Nursing care of patients underwent shut off breathing machine after a long period of use

The police have shut off all streets leading to the city.

警察已经关闭所有通向这座城市的道路。

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So each time I had to shut off the power supply before I brought them in.

所以每次抱他上来之前我都必须先把电闸打下来。

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Just three decades ago, China was virtually shut off from the world.

仅仅在30年前，中国事实上还与世隔绝。

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Do not shut off the power during the firmware writing operation.

固件写入过程中切勿关闭电源。

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They shut off the gas before going on holiday.

他们出发度假之前关闭了煤气。

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Put them on power strips to make them easier to shut off.

把电器插头插在电源板上，方便切断电源。

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If you smell gas, shut off the main gas valve.

如果你闻到煤气味，关闭总阀门。

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First shut off power supply when overhaul the machine.

机器在检修时，首先应切断电源。

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Shut off the gas and electricity before you go out.

出门前将煤气和电关掉。

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It is not right for you to shut off from society.

与社会隔离是错误的。

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They might shut off supplies of labour power one day.

总有一天他们可能停止提供劳力。

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Would you please shut off the water for me?

你能帮我关一下水吗？

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Shut off the electric power whenever the water supply is turned off.

如果供水中断，必须立即关闭电源。

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Castings of different carbon content are poured according to ingredients of different carbon content. Spherical graphite growth parameters can be obtained with the same method. The diffusion coefficient of the carbon element in austenite of ductile cast iron is calculated.

按照不同的碳元素含量配料，浇注出含碳量不同的铸件，利用相同的方法得到球状石墨的生长参数，计算出球墨铸铁中碳元素在奥氏体中的扩散系数。

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When Nb content was 0.014 ( mass,%), finish rolling temperature was 780 ℃ and coiling temperature was 400 ℃, retained austenite fraction, carbon contents of retained austenite, Vickers-hardness and tensile strength have the optimum combination.

铌含量为0.014%、终轧温度为780℃、卷取温度为400℃时，残余奥氏体量、残余奥氏体相中的碳含量与宏观维氏硬度和抗拉强度具有最佳组合。

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The existence of the latter further confirms the occurrence of carbon diffusion to enrich austenite during the martensite formation, and twin martensite forms at the parent phase where carbon enrichment is not very high.

后者进一步证明，在低碳马氏体形成时碳的扩散使奥氏体富碳，在有些富碳不太高的母相区域就形成这类组织。

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Their metallographic structures were qualitatively and quantitatively analyzed by scanning electron microscope and X-ray diffraction method. And the relationships among heat treatment parameters, content of retained austenite and carbon content of retained austenite were studied.

通过电子扫描电镜及X射线衍射仪对其金相组织进行定性、定量分析，研究热处理参数与残余奥氏体体积含量、奥氏体含碳量的关系。

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The experimental results indicate that during 30-120 min, with increasing the isothermal quenching time, the content and carbon content of retained austenite increased to a max value at 60 min, then decreased.

试验结果表明，在30～120min等温淬火时间范围内，随着等温淬火时间的延长，残余奥氏体量及其含碳量逐渐增加，60min时出现峰值，然后逐渐降低；

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It is suggested that the bainitic transformation in steel should be the shear process of the transformation dislocation movement controlled by the carbon diffusion in the austenite.

提出钢中贝氏体转变是奥氏体中碳扩散控制相变位错运动的切变过程。

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The volume fraction and carbon content of retained austenite in the austempered high silicon cast steel after various austempering combinations were investigated by XRD method.

采用X射线衍射对高硅铸钢等温淬火热处理后的残余奥氏体量以及残余奥氏体含碳量进行了测定。

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