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The crystal-chemical properties and the genesis of the allanite have been disscussed, in addition, the radioative decay of Th and U and the oxidation cause rare-earth elements to be released from its lattice to d...

认为本区的褐帘石是部分变生的。变生的机理是因为其晶格中含放射性元素U，Th高，且这与褐帘石的选矿性能有重要关系。

In this paper, the effects of rare earth on the structure and properties of zinc-base alloy are studied.

研究了稀土对锌基合金的组织、性能的影响。

It is very rare or almost impossible that an event can be negative from all points of view. Therefore, it is useful when something happens to try to look at it from different angles and then you can see the positive or beneficial aspects.

一件事情很少或几乎不可能只从其中看到负面的意义；所以当某些事情发生时，尝试以不同角度来看待是很有用的，这样你便能看到正面或有益的面向。

The commonly used permanent magnetic materials include ferrite, AlNiCo and rare-earth magnets.

现在常用的永磁材料主要有铁氧体、铝镍钴及稀土永磁。

Alpha decay commonly occurs in elements with atomic numbers greater than 83, but can occur in some rare-earth elements in the atomic-number range of 60 to 71.

发射α粒子的主要是重于铋(lutetium，原子序数83)和从钕(neodymium，原子序数60)到镏(Iutetium，原子序数71)的稀土元素，α衰变的半衰期，从1微秒(10-6秒)到约1017秒。

There are rare plants Alsophila spinulosa.

又有珍稀植物刺桫椤。

Simian Mountain is China's "treasure house of species gene", there are more than 1500 kinds of plants, 19 kinds of rare and endangered plants, including Alsophila spinulosa is 3.5 billion years ago prehistoric relict plant.

四面山是我国"物种基因的宝库"，有植物1500多种，珍稀濒危植物19种，其中刺桫椤是3.5亿年前的史前残遗植物。

Such rare ferns as Alsophila spinulosa are growing in Mount Xiaoheishan nature reserve at the provincial level.

小黑山省级自然保护区生长着珍稀蕨类植物桫椤。

In fact Cyatheaceae alias "Alsophila spinulosa,""tree fern", is a fern Cyatheaceae door for the dinosaurs left over from the period of rare and endangered plants, a "living fossil" known.

喜酸生土壤，常生长在山沟的潮湿坡地和溪边阳光充足的地方，常数十株或成百株构成优势群落。孢子体生长缓慢，生殖周期较长。

Grand Canyon tourist area is currently dominated by Taniguchi scenic waterfall, water, scenic spots and thin strip of sky scenic Walled volume three-part composition, in its core area of difficult terrain, fresh air, waterfalls Nagareizumi spread, pictographic vividly the landscape, rich in plant and animal species; have cycads stumble , Alsophila spinulosa, macaques, and other countries Craspedacusta rare animals and plants, Tamron large waterfall 200 meters, magnificent, amazing!

大峡谷旅游区目前主要由谷口瀑布景区、水卷寨景区和一线天景区三部分构成，其核心区地势险要，空气清新，飞瀑流泉星罗棋布，象形景观惟妙惟肖，动植物种类丰富；拥有苏铁蹶、桫椤、短尾猴和桃花水母等国家珍稀动植物，腾龙大瀑布飞流直下200多米，气势磅礴，让人叹为观止！

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。