一种硫酸盐体系的三价铬电镀液,其特征在于包括如下组分及对应摩尔浓度配比:硫酸铬0.2~0.6mol/L;硫酸钾0.5~1.5mol/L;溴化铵0.02~0.5mol/L;硼酸0.5~1.2mol/L;次亚磷酸钠0.1~1mol/L;硫酸亚铁0.01~0.1mol/L;络合剂0.2~2.0mol/L;增厚剂 0.01~0.5mol/L;其余为溶剂水。本发明还公开了该电镀液的电镀方法。与现有技术相比,本发明的优点在于:清洁无污染,厚度可达20~80μm,镀层外观光亮,裂纹少,结合力好,原料来源丰富,成本较低,
李保松 +3 more
core
[Exogenous nitric oxide suppresses K <sub>ATP</sub> channel activity through S-nitrosylation]. [PDF]
Wang X, Zhang Y, Hu W, Hao X.
europepmc +1 more source
[Progress in regulating stem cell functions for repair and regeneration of craniomaxillofacial tissues]. [PDF]
Zhang H, Yang F, Yang R.
europepmc +1 more source
本发明涉及一种负载型过渡金属磷化物催化剂的制备方法,以红磷为磷源,以VIB族和/或VIII族中的一种或几种金属元素的氯化物、硝酸盐、醋酸盐为金属前体,并以活性炭、纳米碳管、碳纤维、碳分子筛、介孔炭、碳化硅等吸波材料为载体,利用微波加热的方法,在氩气或氢气流动气氛下,高效、快速合成负载型过渡金属磷化物催化剂。此方法制备的催化剂在催化反应中表现出了良好的活性及选择性 ...
张涛, 郑明远, 丁李宁, 王爱琴
core
[Native mass spectrometry and ultraviolet photodissociation reveal conformation-selectivity of zinc ion to α-synuclein]. [PDF]
Qin H +5 more
europepmc +1 more source
[<i>Lactobacillus plantarum</i> alleviates lead exposure-induced learning and memory impairment in mice by regulating bile acid metabolism and inhibiting hippocampal NLRP3 expression]. [PDF]
Li L, Yu W, Tan M, Li Y, Liu A, Meng X.
europepmc +1 more source
[Exploring the protective effects and mechanisms of HYX1-derived exosomes on acute liver failure based on disulfidptosis signaling]. [PDF]
Yang Q, Tang HX, Liu XX, Chen Y, Bai L.
europepmc +1 more source
分别采用热和铁(Ⅱ)活化过硫酸盐(PDS)对污泥进行预处理,对比考察两种活化方式下PDS氧化调理对污泥过滤性能的改善情况,并采用扫描电子显微镜(SEM)、透射电子显微镜(TEM)、X光电子能谱(XPS)、傅里叶红外光谱(FT-IR)、有机碳-有机氮检测器分析污泥胞外聚合物(EPS)特性的变化。结果表明,相较于热(80 ℃)活化,Fe(Ⅱ)(16.8 mg/g)/PDS改善污泥过滤性能的效果更佳,在PDS投加量为238 mg/g时,过滤时间和泥饼含水率分别下降75.4%和8.7%。热/PDS和Fe(Ⅱ ...
郭绍东 +4 more
doaj
[Menstrual blood-derived mesenchymal stem cell transplantation improves anti-fibrosis mechanisms in mouse models of alcoholic liver fibrosis]. [PDF]
Yang C +7 more
europepmc +1 more source

