, 1996 研究了低温熔盐中电镀Al-Ti和Al-Mn合金的方法，以及镀层的组成、结构和性能。探讨了熔盐离子浓度、搅拌等因素对镀层成分、结构及表面状态的影响。研究结果表明，影响镀层中合金元素含量的主要因素是熔盐中合金离子的浓度。Al-Mn合金中含Mn量在25-40%(质量分数)时，呈非晶态结构。电化学测试及腐蚀试验结果表明，所得到的Al-Ti和Al ...
过家驹, 郭乃名
core
, 1998 用２３３Ｐａ作示踪剂，对影响电镀Ｐａ的主要因素（如ｐＨ值、电镀时间和电流密度等）进行了实验和讨论。用ＨＰＧｅ能谱仪对镀源进行测量，以确定化学效率。并在不锈钢片上获得了薄而均匀的Ｐａ镀源，其厚度为１ｍｇ／ｃｍ２。An electroplating method for the preparation of Pa sources is described, and themain factors (such as pH value of solution electroplating time and ...
袁双贵 +5 more
core
[Experimental study of subcutaneous adipose-derived stem cells inhibiting orthodontic root resorption]. [PDF]
Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi, 2023 Zhang D +5 more
europepmc +1 more source
, 2019 目的提高Ni-P合金镀层的硬度及腐蚀防护性能。方法块体Ti_3AlC_2颗粒经过氢氟酸的刻蚀作用得到二维层状结构的Ti_3C_2T_x材料,并通过电沉积技术将其掺杂到Ni-P合金镀层中,从而制备出Ni-P-Ti_3C_2T_x复合合金镀层,研究复合合金镀层的成分、表面形貌、表面接触角和硬度,并结合动电位极化曲线以及尼奎斯特阻抗图,分析Ti_3C_2T_x颗粒掺杂对Ni-P合金镀层性能的影响。结果通过深入研究复合合金镀层的性能,发现随着Ti_3C_2T_x颗粒掺杂量的增加,Ni-P ...
杜英超 +5 more
core
[Assessment on data processing methods for nontarget identification of per- and polyfluoroalkyl substances using liquid chromatography-high-resolution mass spectrometry]. [PDF]
Se PuZhang BX +5 more
europepmc +1 more source
[Determination of 14 perfluoroalkyl substances in Chinese mitten crab by multi-plug filtration cleanup coupled with ultra-performance liquid chromatography-tandem mass spectrometry]. [PDF]
Se Pu, 2023 Wang X, Rao Q, Zhang Q, DU P, Song W.
europepmc +1 more source
[Research progress on the manufacturing technology of hollow microneedles]. [PDF]
Sheng Wu Yi Xue Gong Cheng Xue Za ZhiZhou S +9 more
europepmc +1 more source
[Effects and mechanism of age on the stiffness and the fibrotic phenotype of fibroblasts of human hypertrophic scar]. [PDF]
Zhonghua Shao Shang Za Zhi, 2021 Zhu DZ, Yao B, Cui XL, Huang S, Fu X.
europepmc +1 more source
, 2012 本发明公开了一种制备纳米晶镍合金镀层的电镀液，以质量浓度计，包括镍盐30～80g/L、晶粒细化剂1～10g/L、络合剂10～20g/L、表面活性剂0.1～1g/L，本发明还公开了一种使用该电镀液制备纳米晶镍合金镀层的电镀方法以及所制得的纳米晶镍合金镀层，所得的镀层中除含有镍金属元素外，还含有一定量的由晶粒细化剂引入的无机元素氮、碳、硼中至少一种。与现有技术相比，本发明制备的纳米晶镍合金镀层的晶粒尺寸为10nm以下，硬度为800Hv以上，耐磨性好，相比现有的铬酸镀硬铬制备方法，有设备工艺简单，操作容易上手，
乌学东 +3 more
core
[Determination of eight per- and polyfluoroalkyl substances in seawater using dispersive membrane extraction-ultra-high performance liquid chromatography-tandem mass spectrometry]. [PDF]
Se PuRen Z +5 more
europepmc +1 more source