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With the addition amount of rare earth oxide increasing,the two exothermal peaks of AP came closer and finally merge into one strong peak with a great increase of decomposition heat.

不同稀土氧化物种类对高氯酸铵热分解的催化作用有一定的差异,轻稀土和钕的氧化物使分解峰表现为前弱后强的两个相连的峰,中稀土钐和钆的氧化物表现为单一的强峰,而重稀土铒和镱的氧化物表现为前强后弱的两个分立的放热峰。

From the structural analysis of three praseodymium complexes, we could draw a conclusion that as the dentate arms of carboxyl group on ligands elongating, the coordination numbers of Pr and the coordination modes of ligands increase, and the mean distances between metallic atoms of metallic helices existing in these complexes augment.2. By altering 5-substituting group of isophthalic acid three series of lanthanide complexes 8~19 with 5-methylisophthalic acid and 5-nitroisophthalic acid have been prepared.

从得到的三个配体的配合物的结构分析可以看出,随配体的羧基齿臂的增长,Pr的配位数逐渐增大,配体的配位模式增多,配合物中存在的螺旋金属链中的金属间平均距离增大。2、通过改变间苯二甲酸配体的5位取代基,制备了5-甲基间苯二甲酸和5-硝基间苯二甲酸的三个系列稀土羧酸配合物8~19。

The relationship between apparent equilibrium constants Kex, and the physical parameters of solvents can be derived.

考察了在不同溶剂中HDEHP对、钕、钐、镝、钬、镱等的萃取,计算得到萃取表观平衡常数Kex、热力学平衡常数KΘex和萃合物的溶解度参数δc,建立了lgKex与溶剂极性参数ET (30)、α间的经验方程。

Rare earth elementsof praseodymium, neodymium and erbium were added into the media to investigate theireffects on the mycelial growth and polysaccharide formation by Russula sp.

研究了稀土元素、钕、铒对红菇深层发酵中红菇菌丝生物量、胞外多糖、胞内多糖、总多糖、最终pH和多糖产率的影响。

3 Alloy which Pr content in rare earth raw metal was respectively 0, 10%, 20%, 30%, 40% were studied.

本实验研究了稀土中含量分别为0、10%、20%、30%、40%的5种Ni3.5Co0.8Mn0.4Al0.3合金的电极性能。

The rare-earth perchlorate complex compound with DL-α-Glycin was synthesized.

合成了一种稀土-DL-α-甘氨酸配合物高氯酸盐晶体。

The lower the mischmetal content of Mg-7Li-1Al-xLPC alloy,the better the effect of strengthening.

铈混合稀土含量较低的合金,其热处理强化效果越好。

Rare earth compound Al_(11)La_3 is found in matrix when adding La-Pr-Ce mischmetal to Mg-7Li-1Al alloy.

Mg-7Li-1Al合金中加入镧铈混合稀土后,组织中出现了稀土化合物相Al_(11)La_3。

Plastic of alloy get good raise adding La-Pr-Ce mischmetal to Mg-7Li-1Al alloy.

加入镧铈混合稀土后,Mg-7Li-1Al合金的塑性得到了很好的改善,其中Mg-7Li-1Al-4LPC合金的延伸率达到68.5%,是Mg-7Li-1Al合金的13倍多。

Shang hai tai pu bearing co.,ltd Is a bearing design, development, manufacture, trade in one for domestic metallurgical and mining, petrochemical, coal power, paper roll sugar, engineering machinery, port machinery, heavy machinery, rubber machinery, rail transportation and other industries producing the required delivery specialized companies supporting bearings.

上海太轴承有限公司是集轴承设计、研发、制造、贸易于一身,为国内冶金矿山、石油化工、煤炭电力、造纸轧糖、工程机械、港口机械、重型机械、橡塑机械、轨交运输等行业生产所需配套轴承的专门企业。

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推荐网络例句

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。

Closes the eye, the deep breathing, all no longer are the dreams as if......

关闭眼睛,深呼吸,一切不再是梦想,犹如。。。。。。