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2023319 · QBe2.0 beryllium bronze contains a small amount of nickel, which is a high-performance copper alloy with good mechanical, physical and chemical
contact2018928 · QBe2.0 φ35 mm，、、φ8 mm， φ1.0 mm，2。
contact2021514 · 4. (DIN):QBe2, QBe1.7. 5. ():2.1247, 2.1245. 6.:C1720, C1700. ：. 、，、，（）、 ...
contact202216 · cellent heat transfer performance and compact size as compared to straight tube heat exchangers [7][6] [8] [9] [10]. The application of curved tubes in laminar flow heat exchange is highly beneficial than straight tubes . Heat transfer [11] rate of helical tube is significantly higher because of the secondary flow caused by the centrifugal ...
contact2018928 · QBe2.0 φ35 mm，、、φ8 mm， φ1.0 mm，2。
contact2022331 · As it is known, beryllium bronze, an important copper alloy, is widely used in the field of aerospace. Since the performance of domestic and imported beryllium bronze alloys have obvious differences, domestic beryllium bronze QBe2.0 and imported C17200 alloy were adopted, and the hardness and tensile properties of imported and domestic
contactThis study adopted a data-driven exploration approach to elaborate the differences between C17200 and QBe2.0 alloy. After aging at 300 °C for 2 h (peak aging), the tensile strengths of the C17200 alloy and QBe2.0 alloy were 1357 MPa and 1309 MPa, the yield strengths were 1195 MPa and 1188 MPa, and the elongations were 5.5% and 4.0%, respectively.
contact2016328 · A magnetic exchange field confined within graphene and higher than 14 T, an enhancement of the spin generation, and a ferromagnetic ground state are found in the graphene/EuS heterostructure—a ...
contact2023321 · Micro computer tomogram (µCT) of a honeybee, showing abdominal and thoracic air sacs and tracheae of the tracheal system for respiratory heat exchange via internal convection and evaporation ...
contact2018910 · The study of time harmonic driven mesoscopic systems is encountering a revival and has become a vibrant research field in recent years motivated by the high values of time-modulated topological quantum structures which possess unique features absent in their static counterparts [1–6].The long-time electronic behaviors of these quantum
contactThe search for the temperature field in a two-dimensional problem is common in building physics and heat exchange in general. Both numerical and analytical methods can be used to obtain a solution [1,2].Thermal and moisture diffusion can also be traced by a marker medium present in the specimen [].Two methods were dealt with, the first of which was
contact2022925 · The tribo-pair of QBe2.0/MoNiTaTiV coating shows more tribological properties than that of QBe2.0/GCr15 substrate under dry and oil-lubricated conditions at high-pressure. On the one hand, the QBe2.0/MoNiTaTiV tribo-pair has a lower overall wear volume in either case, both in terms of its counterpart and sample.
contactIn this study, a theoretical model of the hot and cold fluid flow, heat transfer, and thermal stress coupling in a baffle plate heat exchanger is established, and numerical simulation is carried out. The flow field in the heat exchanger and the deformation of the heat exchange tube bundles in the baffle plate heat exchanger are studied. The optimization effect of the
contactThis study adopted a data-driven exploration approach to elaborate the differences between C17200 and QBe2.0 alloy. After aging at 300 °C for 2 h (peak aging), the tensile strengths of the C17200 alloy and QBe2.0 alloy were 1357 MPa and 1309 MPa, the yield strengths were 1195 MPa and 1188 MPa, and the elongations were 5.5% and 4.0%, respectively.
contact2019115 · A recent ferromagnetic resonance study [Jeon et al., Nat. Mater. 17, 499 (2018)] has reported that spin pumping into a singlet superconductor (Nb) can be greatly enhanced over the normal state when the Nb is coupled to a large spin-orbit-coupling (SOC) spin sink such as Pt. This behavior has been explained in terms of the generation of spin
contact2023321 · Micro computer tomogram (µCT) of a honeybee, showing abdominal and thoracic air sacs and tracheae of the tracheal system for respiratory heat exchange via internal convection and evaporation ...
contactThe search for the temperature field in a two-dimensional problem is common in building physics and heat exchange in general. Both numerical and analytical methods can be used to obtain a solution [1,2].Thermal and moisture diffusion can also be traced by a marker medium present in the specimen [].Two methods were dealt with, the first of which was
contact2022614 · Therefore, the high upper critical field of EuTe2 in the low-pressure phase is due to the exchange field compensation effect of the Eu magnetic order and the superconductivity in both structures ...
contact202182 · Fig 1: The design delivers very high heat transfer efficiency because the plates create a surface area that’s much larger than shell-and-tube designs that would fit in the same space. 2. Efficiency. Typically, a plate heat exchanger is the right choice because they’re the most efficient and least expensive option.
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