在现场应用中配套实施了变浓度一次交联压裂液施工技术，节约了施工成本。
The one-off cross-linked fracturing technology with variable concentrations is used, and the cost is saved a lot.
探讨了变浓度容量调节热泵系统的自动控制方式，为这一新型热泵系统走向实用奠定了基础。
Automatic control manners of capacity regulations for capacity-controllable heat pumps are discussed and semi-automatic control is realized.
模拟结果显示了该新型变浓度容量调节系统具有较大的节能潜力，表明该变浓度热泵系统能在更寒冷的地区得到应用。
The results show that there is great energy saving potential for this novel variable capacity air source heat pump system and it can be used in more cold districts.
证明所建立的混合工质变浓度试验装置及所选择的工质可以基本满足预定的容量调节要求，并可明显提高装置的季节能效比。
The testing results show that the system is effective in controlling refrigerant constituents and capacity and enables a significant increase in the seasonal energy efficiency ratio.
证明所建立的混合工质变浓度试验装置及所选择的工质可以基本满足预定的容量调节要求，并可明显提高装置的季节能效比。
The testing results show that the system is effective in controlling refrigerant constituents and capacity and enables a significant increase in the seasonal energy efficiency ratio.
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