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- thorium boride 硼化钍
- Marie found another called thorium. 玛丽发现了另一种物质，叫钍。
- Boron and boride have been widely applied to modern industry. 摘要硼及其硼化物在现代工业中有着广阔的应用前景。
- Boride series of main products: boric acid, borax, and so on. 硼化物系列主要产品有：硼酸、硼砂等。
- A radioactive isotope of thorium with mass number228. 射钍钍的放射性同位，质量数为
- This is clearly confirmed by the detection of thorium. 这显然证实了检测钍.
- They recognized that in a thorium province Pb208 would present complications. 他们承认，含钍区内的Pb208会产生干扰。
- Followed by the slow decomposition of uranium to another element thorium. 铀元素随后缓慢分解为另一种元素钍。
- We are actually trying to measure this profile and to detect thorium. 我们正试图测量这个图表，以侦测钍的存在。
- Studies on the Reduction of Aromatic Oximes Using Borohydride Exchange Resin-Nickel Boride(cat. 氢硼化离子交换树脂-硼化镍(催化)还原芳香肟的反应研究。
- The preparation of ternary boride hard alloy cladding layer on steel substrate is studied. 研究采用铸渗法制备三元硼化物硬质合金覆层钢基材料。
- The conclusion can be used to guide the manufacturing of ternary boride cermets cladding parts. 本文的研究结果对于三元硼化物金属陶瓷硬质覆层零件的制造具有实际意义。
- Chemical compounds and mixtures containing uranium and thorium are active in direct proportion to the amount of these metals contained in them. 含铀和钍的化合物和混合物活跃的程度与这些化合物和混合物中这两种金属的含量直接相关。
- Why under TEM acicular-lingulate boride has the characteristic of“tree-wheel”has also been analysed. 着重探讨了硼化物在其生长过程中的微观机制，分析了硼针的透射电镜组织呈现“年轮”特征的原因。
- The ternary boride base cermets have exhibited good mechanical properties and excellent wear and corrosion resistance. 指出三元硼化物基金属陶瓷具有良好的机械性能和杰出的耐磨、耐蚀等性能;
- The influence of alloy ingredient on corrosion resistance of ternary boride cermet clad materials was studied. 研究了合金组分对覆层材料耐腐蚀性的影响。
- I measured the activity of a number of minerals; all of then~ that appear to be radioactive always contain uranium or thorium. 我测量了一些矿物的活性，所有显示放射性的物质均含有铀和针。
- A few elements, among them uranium and thorium, spontaneously disintegrate into lighter elements by chances. 少数元素，其中有铀和钍，通过它们核的变化自然蜕变成较轻的元素。
- The growth of boride is not uniform,but by "step by step" mode, because of some wave-like pattern existing on sides of boride teeth. 硼齿侧面存在波纹状形态，表明其生长过程是不均衡的，呈“步进”方式长大。
- Either of two decay products of thorium,mesothorium I,an isotope of radium,or mesothorium II,an isotope of actinium. 新钍钍的两种放射性生成物之一，即新钍1号，它是镭的同位素，或新钍2号，它是锕的同位素
