共搜索到7870条信息,每页显示10条信息,共787页。用时:0小时0分0秒828毫秒
图7 T351态2198及2196铝锂合金升温及保温不同时间的SAXS图像[32] Fig. 7 Sequence of SAXS images for 2198 and 2196 Al-Li alloys in T351 temper during heating ramp (at 140 ℃ and 155 ℃) and aging at 155......
, suggesting the less damage to the equilibrium of soil [41]. The dynamic effects of iron-modified biochar on As concentration in rhizosphere and non-rhizosphere soil solution during various rice...-modified biochar affects Fe and As related genes in paddy soils is also needed further research. The present study focused on effects of iron-modified biochar on: 1) As and Fe concentration in non......
containing wastewater by steam heating hydrolysis[J]. Industrial Water Treatment, 1988, 8(3): 45-48. [32] 兰馨辉, 杨 超, 潘祖鸿, 等. 加压水解法处理某氰化尾矿试验研究[J]. 黄金, 2019, 40(2): 69-72. LAN Xin-hui, YANG Chao, PAN Zu......
环境友好.但是,所得稀土氧化物产物纯度不高,往往还含有铁和硼杂质,虽然可以延长反应时间或磁吸引来提高稀土产品纯度,由于反应温度整体较高,耗能大.增加生产成本. 图5 Nd-Fe-O系热力学平衡图(1077℃,1027℃,977℃)[41] Fig. 5 Thermodynamic equilibrium diagram of Nd-Fe-O system (1077℃, 1027... glasses doped with mixed rare-earth oxides[J]. Journal of Non-Crystalline Solids, 2020, 11(19): 120550. [5] LINDA O, SATU P, ESA-MATTI T, et al. Recycling and substitution of light rare earth elements......
], Zr [22,23], Ta [24] and their alloys to form functional ceramic coatings with various properties. PEO is normally considered to be not suitable for non-valve metals such as steels and copper... is possibly due to the newly exposed metal surface in the crevices, which has not yet been covered by high resistance oxide. The oxidation of the non-working areas is undesirable, but we have not yet......
]. Journal of Electronic Materials, 2006, 35(8): 1621-1627. [20] 韩宗杰. 电子组装元器件半导体激光无铅软钎焊技术研究[D]. 南京: 南京航空航天大学, 2009.HAN Zong-jie. Diode laser soldering to electronic mounting components/devices[D......
particles[J]. Microelectronics Reliability, 2010, 50(12): 2020-2025. [21] 韩宗杰. 电子组装元器件半导体激光无铅软钎焊技术研究[D]. 南京: 南京航空航天大学材料科学与技术学院, 2009: 1-98. HAN Zongjie. Diode laser soldering to electronic mounting...; Engineering A, 2013, 562(1): 25-32. [60] 王福学. 微结构铜基底上无铅SnAgCu焊料润湿的形貌研究[D]. 大连: 大连交通大学材料科学与工程学院, 2006: 1-52. WANG Fuxue. Morphology of lead-free SnAgCu solder wetting on Cu with artifical non-wetting zone......
), Mg-Li alloys exhibit an improved formability at room temperature by activating non-basal slip planes. The research of TIMMER and SANDS [50] indicated that Li was almost completely discharged... by hydrogen atom, or the oxidation- reduction reaction of takes place under catalytic heating condition to deposit phosphorous. +H→H2O+OH-+P  ......
including covalent nanofluid (GNP-COOH/water) and non-covalent nanofluid (GNP-SDBS/water). It was observed that at a constant concentration, the thermophysical properties, i.e. thermal conductivity... F, VALERO A, USON S. Exergy analysis of a combined cooling, heating and power system integrated with wind turbine and compressed air energy storage system [J]. Energy Convers Manag, 2017, 131: 69–78......
Technology, 2002, 15(2/3): 103-111. [121] LIU X B, WANG H M. Microstructure, wear and high-temperature oxidation resistance of laser clad Ti5Si3/γ/TiSi composite coatings on γ-TiAl intermetallic alloy[J......