以下为句子列表：
英文: A low temperature option using liquid nitrogen is available, the nitrogen consumption is minimized by employing a temperature dependent control of the nitrogen flow.
中文: 氮损耗的最小量是通过利用温度依赖对氮流量进行控制的。
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英文: Ten years after the discovery of high-temperature superconductivity, a technical study by the Electric Power Research Institute (EPRI) concluded that with liquid nitrogen as a coolant, a five-gigawatt DC “electricity pipe” could compete economically with
中文: 发现高温超导特性的10年之后，美国电力研究所（EPRI）一份技术研究报告指出，以液态氮当做冷却剂时，50亿瓦特的直流「电管」传输800公里以上的成本，跟瓦斯管线或传统架空电缆差不多。
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英文: The experiment shows that the cooling rates increased dramatically as the ejecting speeding and the sub-liquid nitrogen sub-coolings increased.
中文: 实验研究表明随着小样品沉浸速度的增大、液氮过冷度的增加，冷却速率明显增加。
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英文: The first liquid oxygen and liquid nitrogen equipments in china are born in Hangyang,the oxygen liquefaction and nitrogen liquefaction equipmens are also.
中文: 国内首台液氧液氮设备和氧、氮液化设备均诞生在杭氧，伴随着新技术和新工艺的发展，我公司也不断地推陈出新，为用户度身订造，研制新品奉献市场。
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英文: The semi-automatic liquid nitrogen extracter is lowcost and easy-to-use, which can prevent the volatilization of the liquid nitrogen during the extraction.
中文: 摘要介绍一种自制的半自动液氮提取器，该提取器制作成本低廉，操作简单，并可以避免治疗过程中提取液氮时液氮的大量挥发，从而可以减少资源浪费，降低治疗成本。
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