... lantern slide 幻灯片的早期名称,指在灯箱或幻灯机前观看的正片 lanthanum 镧,钸族的稀土金属,用于制造光学玻璃 lapping 【光】 幼磨,制造镜头过程之一,把粗磨及曲磨镜片产生的瑕疵磨去 ...
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lanthanum oxide [无化] 氧化镧 ; 供应氧化镧 ; 该制程采用氧化镧 ; 产品名称氧化镧
Lanthanum chloride 无水氯化镧
lanthanum nitrate [无化] 硝酸镧
lanthanum acetate 乙酸镧 ; 醋酸镧
lanthanum bromide 溴化镧 ; 超干溴化镧
LaMnO3 perovskite catalyst was synthesized by the sol-gel citrate method. The effect of lanthanum substituted by cerium on the physico-chemical characteristics and catalytic activity was analysed.
用溶胶凝胶法制备了钙钛矿型LaMnO3催化剂,研究了铈替代部分镧对催化材料性能的影响。
参考来源 - 钙钛矿型LaThe adulteration of the non-fluorescence lanthanum or gadolinium ions can enhance the fluorescence intensity of the complexes of terbium.
2、非荧光稀土离子La3+、Gd3+的掺杂对配合物的荧光强度有增强作用。
参考来源 - 掺杂型铽荧光配合物的合成及性能研究Based on the above questions, it is considered to deal with the chitosan modified lanthanum nitrate.
基于上述问题,考虑采用交联法对硝酸镧改性壳聚糖进行处理,制备负载硝酸镧的改性壳聚糖微球。
参考来源 - 三种壳聚糖对海水溴离子的吸附性能研究·2,447,543篇论文数据,部分数据来源于NoteExpress
同义词: La atomic number 57
以上来源于: WordNet
N a silvery-white ductile metallic element of the lanthanide series, occurring principally in bastnaesite and monazite: used in pyrophoric alloys, electronic devices, and in glass manufacture. Symbol: La; atomic no: 57; atomic wt: 138.9055; valency: 3; relative density: 6.145; melting pt: 918°C; boiling pt: 3464°C 镧
It is not as though the rare-earth elements-scandium, yttrium and lanthanum plus the 14 so-called lanthanides-are all that rare.
并非所有稀土元素都像钪、钇、镧加上14所谓的镧系元素那样稀少。
Using an atomic force microscope and two layers of insulators (lanthanum aluminum oxide and strontium titanium oxide), Levy and his colleagues created a nanoscale transistor.
列维和他的同事们用原子力显微镜和两片绝缘体(镧氧化铝和锶钛氧化物),研制出了一枚纳米晶体管。
Yet another rare earth metal, lanthanum, is a major ingredient for hybrid car batteries.
而另一种稀土金属镧,则是混合动力车电池的主要原料。
But what's really shocking is when you compare this with this, it's based upon sonnet 57 because lanthanum is element 57.
但是真正令人震惊的是,当你比较这个和这个的时候,基于诗57来看7,而正好镧是57号元素。
As soon as lanthanum takes that electron, this level rises ever so slightly, and then we jump down here and fill in the lanthanide.
一旦镧得到了电子,这一层就会稍稍上升,然后我们向下填一下镧系元素。
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