1) Lanthanum orthovanadate
钒酸镧
1.
Lanthanum orthovanadate nanorods were synthesised by a template-directing hydrothermal method.
采用水热法和模板导向法结合的方法合成钒酸镧纳米棒,通过XRD、SEM、TEM对产物的物相、结构和形貌进行表征,并测试了其光学性能。
2) lathanutm metavanadate
偏钒酸镧
4) lanthanum borate
硼酸镧
1.
Preparation of lanthanum borate modified with pyridinium dialkyldithiophosphate (PyDDP) and estimation of its extreme properties;
PyDDP修饰纳米硼酸镧极压剂制备及性能研究
2.
Tribological properties of nanometric lanthanum borate as lube additive in water were measured on a four-ball tribotester.
采用化学沉淀法合成了硼酸镧纳米微粒,利用透射电镜、热分析仪、FT-IR光谱仪对其结构进行了表征,采用四球摩擦试验机考察了其在水介质中的摩擦学行为,并用扫描电子显微镜和X射线光电子能谱分析了磨损表面形貌和主要元素的化学状态。
3.
It is investigated the tribological properties of nanometer lanthanum borate in aqueous solution with four-ball tester,the nanometer lanthanum borate can improve the friction reduction and anti-wear properties of water.
用四球摩擦试验机考察了纳米硼酸镧在水溶液中的摩擦学性能,纳米硼酸镧能显著提高水的抗磨减摩性能。
5) lanthanum stearate
硬脂酸镧
1.
Study on Thermal Stabilization Mechanism of PVC by Lanthanum Stearate;
硬脂酸镧对PVC热稳定作用机理的研究
2.
Charging method was partly improved in the technical process for preparing PVC heat steabilizer-lanthanum stearate by saponifying method.
对皂化法制备PVC热稳定剂硬脂酸镧工艺过程中的加料方式进行了部分改进。
3.
The direct synthesis of lanthanum stearate is studied under the reaction of stearic acid to La2O3 in the presence of catalyst.
研究了硬脂酸和氧化镧在催化剂作用下直接合成硬脂酸镧的方法。
补充资料：钒磷铁矿提钒
钒磷铁矿提钒
extraction of vanadium from the bear vanadium phosphosiderite
和94％。fantintiekuang tifan钒磷铁矿提钒(extraetion of vanadium frombear vanadium phosphosiderite)以含钒磷铁矿为原料制取五氧化二钒的帆提取方法。主要包括钠化焙烧和湿法漫出两道作业。直接用作提饥原料的是含饥磷铁。 含钒磷铁是饥磷铁矿电炉生产单质磷和磷肥的副产品。钒磷铁矿分布在美国爱达荷、蒙大拿、怀俄明、犹他等州，含Pz05 24%~32%、V:O。0.267%~0.625%和少量的铬、镍和钥等。美国克尔麦吉(Kerr-MeGee)化学公司所用的含钒磷铁含饥3.26%~5 .2%、磷24.7%~26.6%、铁59.9%一68.5%、铬3.4%一5.7%、镍。.84%~1%。先将含钒磷铁磨至粒度小于。.42mm，配入1.4倍纯碱和。.1倍的食盐在回转窑中于1043~lo63K温度下焙烧，钒便转变成水溶性的钠盐。熔烧块在加热到沸腾的水中浸出，钒、铬、磷均溶入浸出液。浸出浆液经过滤处理。滤液冷却结晶析出磷酸钠晶体，用离心机分离。晶体中如仍含有钒和铬，可用水重溶后再结晶分离，直到获得合格的磷酸钠(NaaPO;)晶体产品。若Na3PO‘结晶母液含磷高于0. 989/L时则要加入CaclZ，使其生成磷酸钙沉淀，然后水解回收钒。随后往母液中加入硝酸铅，沉淀出铬酸铅。此工艺的钒、铬和磷的回收率分别为85%、65%
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条