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Nano-sized strontium titanate powder was prepared by direct precipitation method,with titanium tetrachloride,strontium chloride and sodium hydroxide as the raw materials.

钛酸(SrTiO3)是制备陶瓷电容器和热敏电阻器等电子陶瓷的重要原料,在电子工业上的应用非常广泛。

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,曳光弹主要构成为复合物和一种金属燃料混合构成,产生亮红光。

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、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。

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。

At the same time we produce high purity magnesium oxide powder, activate magnesium oxide powder, high purity fused magneisum oxide powder, Strontium Titanate powder, and supply Yttrium Oxide powder, magnesium oxide hydroxide powder.

同时又生产国内领先的高纯度氧化镁粉、高纯度活性氧化镁粉、高纯度电熔陶瓷氧化镁粉、钛酸粉等粉体材料,并还能提供高纯度二氧化钛粉和氧化钇粉以及高纯度氢氧化镁等原料。

The recent research and application for analysis of strontium home and abroad have been reviewed.

综述了近年来国内外分析技术的研究和应用状况。

Effects of strontium at a high level in drinking water on growth and development of rat bone were studied.

研究了高饮水对大鼠骨骼生长发育的影响。

Some problems and suggestions for determining strontium are pointed out simultaneously.

指出了目前测定存在的问题,提出了新的发展方向。

OBJECTIVE: To summarize current situation of the strontium element in bone tissue engineering and to analyze its questions and potential perspective.

目的:总结元素在骨组织工程中的研究现状,分析存在的问题和进一步的应用前景。

And it is first to study the lead and strontium isotope in the Nanyangtian and Xinzhai mining area.

并且,在南秧田和新寨矿区,铅和同位素组成的研究均属首次。

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推荐网络例句

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。

Long periods of seeming invincibility. Though some industries or lines of business exhibit characteristics that endow leaders with virtually insurmountable advantages, and that tend to establish Survival of the Fattest as almost a natural law, most do not. Thus, for every Inevitable, there are dozens of Impostors, companies now riding high but vulnerable to competitive attacks. Considering what it takes to be an Inevitable, Charlie and I recognize that we will never be able to come up with a Nifty Fifty or even a Twinkling Twenty. To the Inevitables in our portfolio, therefore, we add a few "Highly Probables."

在所属的产业都被赋予其无可取代的优势地位,大者恒存的自然定律似乎牢不可破,但实际结果却不然,也因此在找到真正的真命天子之前,旁边可能还有好几打假冒者,这些公司虽然曾经红极一时,但却完全经不起竞争的考验,换个角度来看,既然能够被称为永恒的持股,查理跟我早就有心理准备,其数量绝对不可能超过五十家或甚至是不到二十家,所以就我们的投资组合来说,除了几家真正够格的公司之外,还有另外几家则是属于极有可能的潜在候选人。