It does not absorb the alkaline-earth metal ions and behave as the polyamine resins.
但不吸附碱土金属离子,这和聚多胺树脂相同。
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。
The catalytic activities of other rare earth metal salts with different ligands were tested.
考察了带有不同配体的稀土金属催化剂对反应的影响。
By two alkyl halide with alkali metal or alkaline earth metal polysulfides from condensation.
由二卤代烷与碱金属或碱土金属的多硫化物缩聚而成。
Effects of rare earth metal salts with different ligands and amount of the catalyst on the reaction were studied.
考察了催化剂用量和带有不同配体的稀土金属催化剂对反应的影响。
The ion-absorbed rare earth metal deposit is a kind of mobel rare earth resource discovered in the 1970s in China.
离子吸附型稀土矿是我国70年代初发现的一种宝贵稀土资源。
Summary the paper presents developments of synthesis, characterization, and applications of rare earth metal containing polymers.
本文综述了含稀土聚合物的合成、性质以及应用等方面的研究进展。
Because of high alkaline earth metal content, the reduction swelling of Baotou pellet makes blast furnace operation very difficult.
包头白云鄂博矿碱金属含量高,球团还原膨胀率高,给高炉冶炼带来很大困难。
The surface characteristics of evaporated rare-earth metal la thin film were studied by ex-situ and in-situ AES and molecular beam technique.
用俄歇谱及分子束技术就地与非就地研究了蒸发稀土金属镧薄膜的表面特性。
The complexation properties of them with alkali and alkaline earth metal ions have been investigated by means of visible spectra in solutions.
借助于可见光谱的测定,考查了它们在溶液中与碱金属和碱土金属盐等的配位性能。
The mechanism of thermal decomposition for alkaline earth metal benzoates was studied by using TG, DTA, IR and gas chromatography_mass spectrometer.
用DTA和TG研究了碱土金属苯甲酸盐在氮气气氛中的热分解过程 ,并用红外光谱、色 -质联用表征了热分解产物。
In this paper, basic principle and thermodynamic process of the electrochemical deoxidation purified rare earth metal yttrium are firstly demonstrated.
本文还首次对电化学脱氧提纯稀土金属钇的基本原理和热力学过程进行了论证。
The structure changes of silk fiber with different weight gain, by using sericin fixing agent containing rare earth metal ion, were studied in this paper.
用稀土金属离子通过形成配位结合来固着丝胶,制备了不同增重率的丝纤维,研究了增重丝纤维结构变化。
The wollastonite as the alkali earth metal silicate, helps the melt in the ordinary ceramic body the function, reduces the body the agglutination temperature.
硅灰石作为碱土金属硅酸盐,在普通陶瓷坯体中起助熔的作用,降低坯体的烧结温度。
To sprinkle a proper dose of rare-earth metal on the saplings and fruit trees can improve the growth rate, the quality of products and the output of products.
苗木和果树喷施适宜浓度的稀土能提高苗木的生长量、果树的产量及质量。
Rare earth metal: Any of a large class of chemical elements including scandium (atomic number 21), yttrium (39), and the 15 elements from 57 (lanthanum) to 71.
稀土金属:一个化学元素大家族中的任何一种,包括钪(原子序21)、钇(原子序39)以及从57号元素(镧)到71号元素。
A photoluminescent material comprising a composition of halogen-substituted alkaline earth metal aluminate doped with at least one rare-earth element activator.
一种光致发光材料,其包含掺杂有至少一种稀土元素活化剂的卤素取代的碱土金属铝酸盐的组合物。
Cerium: chemical element, a rare earth metal of the lanthanide series (hence having many properties of the transition elements), chemical symbol ce, atomic number 58.
铈:化学元素,周期表iii b族过渡金属中丰度最大的稀土金属。化学符号Ce,原子序数58。
In the paper, the test results about fluorine retention in the alkaline-earth metal compounds combustion were studied to develop high-efficient fluoride retention additive.
为了开发高效燃烧固氟剂,通过实验研究了碱土金属化合物的燃烧固氟效果。
The catalyst is modified by a proper amount of the rare-earth metal oxide, so the catalyst has good catalytic performance; and the preparation process has simple operation.
该催化剂经适量稀土金属氧化物改性后,具有较好的催化性能,且制备过程操作简便。
Many factors which may affect the catalytic behavior such as rare earth metal species, calcination temperature, reaction temperature, space speed and feed gas purity were studied.
并研究了不同稀土金属,不同焙烧温度,不同反应温度,不同空速条件及不同来源氢气等因素对催化性能的影响。
The influence of feeding rare earth metal wires in mould on mould flux properties for high carbon steel and low carbon steel of Baogang was studied in laboratory and on site as well.
通过实验室和现场试用两方面对结晶器喂稀土丝后稀土对包钢方坯连铸现用高碳钢、低碳钢保护渣使用性能影响进行了研究。
Chen's current research interests focus on the synthesis of reactive rare-earth metal complexes and their applications in small molecule activation, organic synthesis, and polymer synthesis.
目前陈耀峰博士的研究兴趣主要在活性稀土金属化合物的合成以其在小分子活化、有机合成和高分子合成中的应用。
The influence of the oxygen balance of pyrotechnical combustion agent and the structure of its rare earth metal shell on the burning performance of the combined combustion element were studied.
分析了烟火燃烧剂的氧平衡及稀土壳体的结构对复合燃烧元件燃烧性能的影响,提供了复合燃烧元件的各项物化性能数据。
Orthophosphite ions produced by oxidation of hypophosphite in an electroless nickel plating bath can be removed by precipitation with an alkali metal or alkaline earth metal cation such as calcium.
在无电镀镍浴中因次磷酸根氧化而产生的亚磷酸根离子,可以通过碱金属或碱土金属阳离子如钙的沉淀作用而去除。
This sediment layer is enriched in the rare metal iridium and other elements that are relatively abundant in a meteorite but very rare in the crust of Earth.
这一沉积层富含稀有金属铱,以及其他在陨石中较丰富而在地壳中十分罕见的元素。
This sediment layer is enriched in the rare metal iridium and other elements that are relatively abundant in a meteorite but very rare in the crust of Earth.
这一沉积层富含稀有金属铱,以及其他在陨石中较丰富而在地壳中十分罕见的元素。
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