查询词典 strontium

These are removed from groups of fuel containing highly radioactive fission products (such as strontium 90 and cesium 137), and will create tens of kilowatts thermal radiation.

在核燃料被运抵反应堆后，新燃料放在最外层。反应堆被封闭后一般能连续运行一至两年。

Strontium 90, released through nuclear explosions into the air, comes to the earth in rain or drifts down as fallout, lodges in soil, enters into the grass or corn or wheat grown there, and in time takes up its abode in the bones of a human being, there to remain until his death.

由核爆炸释放到空中的锶90以放射性尘埃的形式随雨水或漂浮物落到地球上，留在土壤里，进入地上生长着的草、玉米或小麦等植物体内，最后钻进人体，停留在骨骼里直到人死去。

An abstract painter whose canvases dominated the local art shows and who herself autocratically administered the town artists' association, a poet published in the county newspaper, in her day the college's leading politically active opponent of bomb shelters, of strontium 90, eventually of the Vietnam

一个其油画创作垄断当地画展，而本来又独断专行地统治著本城艺术家协会的女人，一个在郡报纸上发表诗作的女诗人，一个年轻时是学院政治上积极反对炸弹、锶 9 0 ，直到后来反越战的领袖级人物，有主见、个性执拗、不善圆通

In US and NATO standard ammunition, this is usually a mixture of strontium compounds (nitrate, peroxide,...) and a metal fuel such as magnesium. This yields a bright red light.

在美国和北约标准弹药中，曳光弹主要构成为锶复合物和一种金属燃料混合构成，产生亮红光。

The SiO2-Al2O3-d catalyst was modified with different metal nitrates. It indicates that cadmium nitrate and strontium nitrate could improve the catalytic activity obviously.

用不同种类、不同浓度的金属硝酸盐，对SiO2-Al2O3-d催化剂进行改性研究，发现Cd(NO3)2和Sr(NO3)2改性后，活性和使用寿命较SiO2-Al2O3-d有所提高，而Mg(NO3)2、Ca(NO3)2、Ni(NO3)2改性后的催化剂，活性反而有所降低。

First, dissolving inorganic salts, strontium nitrate, bismuth nitrate and fluorine tantalum acid were chosen to substitute for the traditional metal organic salts as precursor to prepare SrBi〓Ta〓O〓 thin films.

本文首先选用可溶性无机盐原料替代传统的金属有机物盐类作SrBi〓Ta〓0〓薄膜的前驱体。

The effect of additives on synthesis of xonotlite fiber with nano diameter is studied using industrial lime and quartz powder,selecting calcium chloride,strontium nitrate,zirconium oxychloride as additives.

采用工业石灰和石英粉，选用氯化钙、硝酸锶、氧氯化锆为添加剂，研究添加剂对合成纳米直径硬硅钙石纤维的影响，结果表明，几种添加剂均对生成硬硅钙石纤维有一定的帮助，加入适量的氧氯化锆添加剂，可以制备出纳米直径的硬硅钙石纤维，氧氯化锆的添加量为Zr4+/(Ca2++Si4+)=0.02时，可获得结晶良好、直径为70～100 nm的硬硅钙石纤维。

Experimental results show that the high-energy ball milled powders demonstrated a typical perovskite crystalline structure,and the solubility of bismuth oxide in strontium titanate was enhanced.

结果表明，高能球磨过后的粉末为具有钙钛矿结构的SBT固溶体，且SBT陶瓷的固溶度有所提高。

The results indicated that Sr^2^+ and S^2^- diffused into the SiO~2 layer. O vacancies and strontium oxide were found in the SiO~2 layer.

本文通过XPS的测量，分析了新结构器件中SrS/α-SiO~2界面的各成分的芯电子能谱的变化和深度分布，发现Sr^2^+向SiO~2中扩散较深并以氧化物的形态存在，介质层以SiO~x(x=1.65～1.70)的形态存在。

The rare earth oxide and strontium salt can refine the basic structure 、 firstborn Si phase and firstborn α branch crystal.The dispered oxide grains as the second phases reinforced the alloys.

稀土氧化物及锶盐的加入使基体组织，尤其是初晶Si及初生树枝晶α相得到细化，弥散分布的氧化物颗粒起到第二相强化作用。

I can still vividly recall the impressive scenes you gave. You were among my friends and relatives who accompanied me from my house to the seaport and when the porters were slow to show up, you obligingly carried my suitcase for me.

你对我的种种感人情意，使我记忆犹新，那天你随着我的亲友从家里送我上轮船，搬运工迟迟不来，你毅然替我提着皮箱上船。

St. Nicholas became the patron saint of Russia, where he was famous for his red cape, flowing white beard, and bishop's mitre.

圣尼古拉成了俄罗斯人的守护神，在那里，他以身披红斗篷，留着飘逸的白胡须，戴着主教法冠而闻名。