激活代码:38B7-5F21-2279-8C1F-B102
R22R1234yfR1234ze(E)COPThe thermodynamic behaviour of R1234yf and R1234ze(E) refrigerants in air conditioners having moderate and high evaporation temperatures applications was experimentally investigated in this study. In...doi:10.1007/s40430-018-1154-0Oru?, Vedat...
【题目】rldCar-Fre e ay r22 W - i)eve. Th e i cnr() Car-Fr e Day as hel d in ran e in 1997.Des of tes clte d it theestyer, Thus day rages() people heov. ,t,l olk. Ihsa, th e can hlppro the. h1,000 sh e ldhv e a Cr-Fr e Da In Cin, o n d...
本发明公开了一种黄豆肥料及其制备方法,该肥料用以下重量组份比的原料制成;黄豆杆100150份,草木灰3040份,猪粪2040份,鸡粪1030份,尿素1525份,磷酸一铵515份,磷酸二铵1020份,硫酸钾型复合肥1020份,硫酸钾39份,硫酸锌28份,硫酸锰49份,腐殖酸1015份,纤维素酶816份和水150200份.本发明是一种专门针对黄豆使用的有...
coba1t based doub1e cata1ytic sites on mesoporous carbon as reversib1e po1ysu1fide cata1ysts for fast kinetic 1i s batteries 来自 ACS 喜欢 0 阅读量: 7 作者:fenran,zhenyangzhao,zhaoyang,ruiyan 摘要: was pyrolyzed in Ar at 900 °C for 2 h (heating ramp rate, 5 °C min-1) to ...
Experimental Performance of TJR02 as an Alternative Refrigerant to R22 in a Small-Scale Cold Storage替代制冷剂,小型冷库,R22,实验,压缩式制冷系统,性能,外商投资企业,标准试验台致冷的混合 TJR02 被开发,比较实验在原来为 R22 设计的一个 singlestage 蒸汽压缩制冷系统上被执行。试验性的结果证明没有修改原来...
ELSEVIERFuel & Energy AbstractsKaragoz, S., M. Yilmaz, O. Comakli, and O. Ozyurt. 2004. R134a and various mixtures of R22/R134a as an alternative to R22 in vapour compression heat pumps. Energy Conversion and Management 45:181-96....