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Meaning of "镧" in the Chinese dictionary

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PRONUNCIATION OF IN CHINESE

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WHAT DOES MEAN IN CHINESE?

Click to see the original definition of «镧» in the Chinese dictionary.
Click to see the automatic translation of the definition in English.
镧

lanthanum

Lanthanum is a chemical element, its chemical symbol is La, its atomic number is 57, belonging to the lanthanide elements, rare earth metals for the most active metal, in the air is easy to oxidation. Lanthanite accounts for about 25% of the total rare earth in monazite. Silver-white soft metal with ductility. Can work with water. Soluble in dilute acid. In the air easily oxidized; heating can burn, generate oxides and nitrides. Heating in hydrogen to produce hydride. It is rare earth elements in the second most abundant elements, often with other rare earth elements exist in the monazite, fluoride strontium lanthanum ore. It is one of the radioactive products of uranium, thorium or plutonium fission. It can give the glass a special refractive performance, so that the glass has a high refractive index. The preparation of lanthanum is generally obtained by dehydration of hydrated lanthanum chloride, reduction with metallic calcium, or by electrolysis of anhydrous lanthanum chloride after melting. Commonly used to make expensive camera lenses. 138La is radioactive and has a half-life of 1.1x1011 and has been used to treat cancer. Lanthanum oxide can be used to make glass; lanthanum hexaboride can be used to make the cathode material of the tube; metal lanthanum is used for the thermal reduction of oxide metal to prepare samarium, europium and ytterbium. ... 是一种化学元素,它的化学符号是La,它的原子序数是57,属于镧系元素,为稀土金屬中最活泼的金属,在空气中很容易氧化。镧在独居石矿中约占稀土总量的25%。银白色的软金属,有延展性。能与水作用。易溶于稀酸。在空气中易氧化;加热能燃烧,生成氧化物和氮化物。在氢气中加热生成氢化物。它是稀土元素中第二个最丰富的元素,常与其他稀土元素一起存在于独居石中、氟碳锶镧矿中。它是铀、钍或钚裂变的放射性产物之一。它能赋予玻璃特殊的折光性能,使玻璃具有较高的折射率。 镧的制备一般由水合氯化镧经脱水后,用金属钙还原,或由无水氯化镧经熔融后电解而制得。常用来制造昂贵的照相机镜头。138La是放射性的,半衰期为1.1×1011年,曾被试用来治疗癌症。 氧化镧可用于制造玻璃;六硼化镧可用以制造电子管的阴极材料;金属镧用于氧化物金属热还原法制备钐、铕及镱。...

Definition of in the Chinese dictionary

A metal element of lanthanum, a rare earth metal, can be made of alloy, can also be used as catalyst. 一种金属元素,属稀土金属,可制合金,亦可做催化剂。
Click to see the original definition of «镧» in the Chinese dictionary.
Click to see the automatic translation of the definition in English.

Synonyms and antonyms of 镧 in the Chinese dictionary of synonyms

SYNONYMS

Translation of «镧» into 25 languages

TRANSLATOR
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TRANSLATION OF

Find out the translation of to 25 languages with our Chinese multilingual translator.
The translations of 镧 from Chinese to other languages presented in this section have been obtained through automatic statistical translation; where the essential translation unit is the word «镧» in Chinese.

Chinese

1,325 millions of speakers

Translator Chinese - Spanish

lantano
570 millions of speakers

Translator Chinese - English

Lanthanum
510 millions of speakers

Translator Chinese - Hindi

लेण्टेनियुम
380 millions of speakers
ar

Translator Chinese - Arabic

اللانثانم
280 millions of speakers

Translator Chinese - Russian

лантан
278 millions of speakers

Translator Chinese - Portuguese

lantânio
270 millions of speakers

Translator Chinese - Bengali

Lanthanum
260 millions of speakers

Translator Chinese - French

lanthane
220 millions of speakers

Translator Chinese - Malay

lantanum
190 millions of speakers

Translator Chinese - German

Lanthan
180 millions of speakers

Translator Chinese - Japanese

ランタン
130 millions of speakers

Translator Chinese - Korean

란탄
85 millions of speakers

Translator Chinese - Javanese

lanthanum
85 millions of speakers
vi

Translator Chinese - Vietnamese

tên chất hóa học
80 millions of speakers

Translator Chinese - Tamil

லாந்த்தன்ம்
75 millions of speakers

Translator Chinese - Marathi

Lanthanum
75 millions of speakers

Translator Chinese - Turkish

lantan
70 millions of speakers

Translator Chinese - Italian

lantanio
65 millions of speakers

Translator Chinese - Polish

lantan
50 millions of speakers

Translator Chinese - Ukrainian

лантан
40 millions of speakers

Translator Chinese - Romanian

lantan
30 millions of speakers
el

Translator Chinese - Greek

Το λανθάνιο
15 millions of speakers
af

Translator Chinese - Afrikaans

lantaan
14 millions of speakers
sv

Translator Chinese - Swedish

lantan
10 millions of speakers
no

Translator Chinese - Norwegian

lantan
5 millions of speakers

Trends of use of 镧

TRENDS

TENDENCIES OF USE OF THE TERM «镧»

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The map shown above gives the frequency of use of the term «镧» in the different countries.

FREQUENCY OF USE OF THE TERM «镧» OVER TIME

The graph expresses the annual evolution of the frequency of use of the word «镧» during the past 500 years. Its implementation is based on analysing how often the term «镧» appears in digitalised printed sources in Chinese between the year 1500 and the present day.

Examples of use in the Chinese literature, quotes and news about 镧

EXAMPLES

10 CHINESE BOOKS RELATING TO «镧»

Discover the use of in the following bibliographical selection. Books relating to and brief extracts from same to provide context of its use in Chinese literature.
1
傳世藏書: 史记 - 第 879 页
神祇、社稷、日月神位,神库奉之,祭时并移坛所。太庙、奉先殿神牌置寝室龛位,祭时移 III 殿宝座。至传心殿、历代帝王、先师各庙龛位,或分或合,无恒制。祭器,園丘正位,酹三,登一,簠、苴二、笾、豆十,篚、俎、尊各一,配从同。惟大明、夜明蓥三十,夜明皆二, ...
李学勤, 1995
2
中国古代戏剧服饰研究/广东中华文化王季思学术基金丛书 - 第 339 页
人物头服体服、脚服备注 43 ^董双成,许飞琼,松旦,竹旦,电母,玉女花箍袄儿香串,布袜,鞋,裙儿女神服 44 ,玉女王子登花箍补子袄儿香串,布袜,鞋,膝裙女神服 45 ^桃、松、竹、梅旦花箍膝袄儿香串,布袜,鞋,膝裙女神服 46 ^梅花仙子柳叶冠膝袄儿香 ...
宋俊华, 2003
3
中国地理博览2:
稀土是一组金属的简称,包括化学元素周期表第三副族中称为系元素的、铈、镨、钕、钜、钐、铕、钆、铽、镝、钬、饵、铥、镱、镥,以及性质与其相近的钪和钇。稀土是从18世纪末被发现时而得名,当时认为它们很稀贵,其氧化物又有难溶于水的土性, ...
陈晓丹, 2013
4
宇宙怪客
... 化合物,其中钴占0.49%,二氧化硅占3%,钨占2.4%。在金相显微镜下对小铁珠的显微组织切片的观察发现,小铁珠在结构上很像生铁。但是,用另一些显微分析仪所获得的分析结果却表明在铁珠的金属成分中还有镁、铁、镍、、镨、钕和铯,其中的含量 ...
傅民杰 编, 2015
5
世界科学博览3:
几个月前,他们刚刚发表一篇论文,证实用中子轰击铀时产生了一种物质,似乎是—这种元素在周期表中的位置比铀低35格!也就是说,元素的原子序数是 57,而铀是92。(原子序数表示质子或带正电荷粒子的数目)人们绝不可能想到如铀这样的重元素 ...
陈晓丹, 2013
6
回首征服自然的历程(科普知识大博览):
分析结果表明,这个物体是稀土元素混合物,铈含量占 67.2%,占10.9%,钕占8.78%,还有含量不多的铁和铬,另外包括混杂其中的含量不超过0.04%的铀和钼。该研究所一个实验室的主任米列尔副博士认为,可以首先做出的结论是:这块合成物不是天然的, ...
苗桂芳, 2013
7
小學生的國語辭典(精)(小贏家) - 第 167 页
下課後,我輕鬆地踱步回家。慢步走來走去。一!他^^-^^在房間踱來踱去,不曉得有什麼心事。多一、: 0 ? 7 3~ 2 ^足部^ , 2 ^ ^ ^ 44 锌袢蹂九畫^踐踏,迫害: 11 蹂。踐踏;比喻用暴力欺壓、侮绍踊辱侵害他人。 1 -早年帝國主義殘暴地蹂殖民地的人民。
小學生辭書編寫組, 2004
8
印江縣(貴州)志: 2卷 - 第 32 页
素之所可始者^惟遝費無幾不锥^飾肄業 3 插亦辆麇瀚畲陀寺以傻食科梟讲訟^ ^肯一謀^」。^火勞而未^余念、过拙力圖^ '與先更近崔一^ —名曰侬仁^爲之恭^ ^ "諳备騫將咜# 1 她, :巡撤— ^去 1 ^斗三卑力^秋淥^她親^寺^ , ! ^ , ^ — ^屮 10 紫山 5 爾 ...
鄭士範, 1837
9
古樂經: 3卷 - 第 97-103 卷 - 第 10 页
3卷 文應熊. 7 丁歩^ 4 場^省^ |吓裳^ 1 III^III 曰管^ I 隅钕^叔不聞 8 ^隱有暴者 I 一帝曰朝作夾鐘联乃^ ^燕^ :納^ ^ ^ ^哉乃^ ^ ^ ^乃匡^ ^帝曰 1 師曰^ ^ ^ ^ ^和^ ^郊明 0 ^蒼^ I ^乃" 1 , ^ ^期^ 0 翔,命 1111 ^^^111^右樂餒一,一!1 之此,』二三滘 2 ^ 31.
文應熊, 1837
10
变革风生(1980-1989)(中国历史大事详解):
到1986年4月,瑞士IBM实验室的科学家柏诺兹和谬勒等人提出报告,认为钡铜氧化物可能是高转变温度的超导体,并发现它在30K情况下可能存在超导性。这给从事超导研究的科学家们以极大鼓舞。从此,超导研究呈现一片繁荣景象。1986年年底,美国 ...
邓书杰 李 梅 吴晓莉 苏继红, 2013

10 NEWS ITEMS WHICH INCLUDE THE TERM «镧»

Find out what the national and international press are talking about and how the term is used in the context of the following news items.
1
物理所在氧铁砷中发现新的高温超导相
在过去的一个世纪里,超导(特别是高温超导)吸引了无数的物理学家和材料学家的兴趣。这不仅因为超导现象所包含的物理丰富,而且因为其在工业上的应用前景广阔 ... «cdstm, Sep 15»
2
东方集团拟募87亿加码房地产自家人认购近三成
东方集团拟通过增资方式将募集资金投入商业投资,再由商业投资收购西藏华持有的国开东方37.50%股权。西藏华为东方投控全资子公司,此次收购构成关联 ... «新浪网, Sep 15»
3
高品质系(稀土)全玻璃镜片_旧瓶装新酒微投酷乐视新X5升级来袭
坚持高成本高品质的系(稀土)全玻璃镜片+全金属的镜筒+DMD芯片独立散热系统,是酷乐视X5的家族特色。在所有类别的投影机中,微投的对焦效果是最值得考验 ... «中关村在线, Aug 15»
4
镨钕金属(预警):铈稀土永磁材料规模化
吴文远教授在参加2015四川凉山科技成果转化对接会期间说提到,铈稀土永磁材料规模化生产后,会给四川甚至全国稀土永磁材料的开发利用带来降本增效革命性 ... «新浪网, Aug 15»
5
日本稀土进口结构折射新能源汽车产业发展
SMM对2012年-2014年日本稀土按元素进口数据统计发现,对、铈金属等储氢合金材料进口的持续大热,以及对镨、钕、镝等永磁合金材料的大量需求,折射出日本新 ... «上海有色网, Aug 15»
6
送你回星星中兴星星3号采用合金向百达翡丽靠齐
查阅资料后发现,该材料是代表,是一种含量极少的稀土元素,其合成的材质硬度比钨钛合金等更高,更不易磨损,切割后光芒将更为特殊,百达翡丽手表很爱这种 ... «TechWeb, Jun 15»
7
酷乐视X5系(稀土)玻璃镜头刷尽风头
稀土光学玻璃,也称为系光学玻璃,具有特殊光学性能,它是制作光电产品读写镜头和成像镜头必备的高品质光学玻璃新材料,能有效地扩大镜头的视场,改善仪器的 ... «中关村在线, Mar 15»
8
四川凉山稀土想从“4个9”迈向“6个9”
3月5日上午,在位于冕宁县稀土工业园区的四川省冕宁县方兴稀土有限公司生产车间,氧化、氧化铈和金属镨钕三条生产线只有金属镨钕生产线运转着,几名工人或 ... «中国高新技术产业导报, Mar 15»
9
《皓传》黄了?于正工作室避谈:不清楚
今日下午,有网友于微博爆料称于正工作室正在筹备的《皓传》搁浅,“于正的《皓传》黄了,横店新消息,停止筹备”。新浪娱乐迅速致电于正工作室宣传人员,对方 ... «国际在线, Jan 15»
10
酷乐视X5科普:全金属CNC+系玻璃镜头
系光学玻璃主要用于单反相机等有着高精密专业级光学镜头的设备上,对于投影机而言,镜头是非常关键的硬件,镜头的素质对于光线质量等的控制至关重要。 «中关村在线, Jan 15»

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