共搜索到9700条信息,每页显示10条信息,共970页。用时:0小时0分1秒80毫秒
little difference. The element Cu is often associated with organisms, and the enrichment of Cu can represent the prosperity of living matter in a lake [56]. In an oxidation state, the element U......
to the risk of oxidation of specimens, the heating process was performed in atmosphere of nitrogen with the flow rate of 150 L/h. Simultaneously, the cooling of the cylinder with boron trichloride started......
of the thickness of oxide layer on the sensing characteristics was not negligible. So they grew well-controlled layers of silicon dioxide on the metal surface to avoid oxidation, which maintained high......
or oxidation ditch process. Except the SS1 feedstock with anaerobic digestion, the other three SS feedstocks are directly dewatered mechanically by the belt or rotary press filter after being concentrated......
oxidation of pyrite reduced the pH of groundwater to 2-4 around some tunnels in Norway. This sulfuric acid attacked the sprayed concrete of road tunnels, resulting in cracking and spalling of tunnel......
Jie, HAN Yue-xin, et al. Effect of natural oxidation on floatability of pyrite and its mechanism[J]. Metal Mine, 2019(2): 111-114. [7] 李明阳, 胡义明, 皇甫明柱, 等. 金属离子对硅酸盐矿物浮选行为影响的研究进展[J]. 矿产保护与利用, 2018(3......
) shown in Fig. 22(a) represents the oxidation of the activation products. And the cathodic wave (C2) shown in Fig. 22(b) represents the reduction of the activation product. The detailed... collector in the flotation. As for sulfide minerals, ion-exchange and oxidation-reduction govern the interactions between metal ions and minerals. Research approaches like micro-flotation tests, contact......
material flow simultaneously, but FSW creates only horizontal material flow. It is reported that the UFSW created horizontal material flow, prevented oxidation of base materials, reduced IMCs formation......
Trans. Nonferrous Met. Soc. China 26(2016) 1447-1471 Stress corrosion cracking behaviour of 7xxx aluminum alloys: A literature review A. C. UMAMAHESHWER RAO1, V. VASU1, M. GOVINDARAJU2, K. V. SAI SRINADH1 1. Department of Mechanical Engineering, National Institute of Technology Warangal, Warangal 50......
the various factors i.e., the mechanical properties, physical properties, thermal properties, magnetic properties, wear, oxidation, and corrosion behavior need to be considered while evaluating......