查询词典 columbite
- 与 columbite 相关的网络例句 [注：此内容来源于网络，仅供参考]
-
Tin, columbite, lead and zinc were also exported, along with gold, and prior to the discovery of oil, the export of solid minerals served as a major foreign exchange earner; at one time, Nigeria was the world's largest exporter of columbite.
在发现石油之前，除了黄金，尼日利亚出口锡、钶铁矿、铅和锌，这些固体矿产的出口为尼日利亚带来了一大笔外汇收入。尼一度曾是世界上最大的钶铁矿出口国。
-
We are one of the biggest end user of tantalite and columbite . We need the ores at the long-term.
我们是中国最大的使用钽铌矿公司之一，我们长期需要钽矿和铌矿。
-
The columbite precursor method was used to synthesize 〓 system ceramics across the morphotropic phase boundary .
采用两步法合成了准同型相界附近的〓系统陶瓷，对其结构和性能进行了详。。。
-
A two-step columbite method was utilized for preparation of PMNT solid solution with single-phase perovskite.
本工作采用二步合成法避免了烧录石相形成，获得了纯钙钛矿相的PMNT粉体。
-
The results indicate that the Y5V dielectric powder prepared by MSS not only are homogeneous, excellent and intensive, but also is active, can be sintered 900~920℃and the dielectric properties are better than the columbite precursor method , can be applied with pure silver paste, the production cost of MLCC is able to reduced.
结果表明：熔盐法制备的Y5V电子瓷料粉体不仅颗粒均匀、形貌好、易分散，而且活性高，使得多层陶瓷电容器的烧结温度可以降低到900~920℃，其介电性能要优于传统的二步合成法制备的粉体，十分有利于采用全银内浆，大大降低MLCC的生产成本。
-
The country is rich in uranium, gold, tin and columbite, coal, kaolin, barites, bauxite, zinc, limestone, gypsum etc.
铀，金，锡，钶铁矿和煤，高岭土，重晶石，矾土，锌，石灰石，石膏等在尼日利亚都有丰富的含量。
-
Relaxor ferroelectric(1-x) PbMg_(1/3Nb_(2/3)O_3-x PbTiO_3 ceramics near the morphotropic phase boundary were prepared by the columbite precursor method.
采用铌铁矿预产物合成法制备了组成在相界附近的(1-x)Pb(Mg1/3Nb2/3)O3-x PbTiO3弛豫铁电陶瓷。
-
There is high tantalite grade for certain large scale granite-pegmatite pattern tantalite-columbite mine in our country.
我国某大型花岗伟晶岩型铌钽矿含钽品位高居我国钽铌矿山之首。
-
Experiment is done on the acid hydrolysis of titanium-columbite-tantalite ore difficult to decompose.
对难分解的钛钽铌矿的酸分解工艺进行了试验研究。
- 推荐网络例句
-
Objective To study the effect of chitosan in the prevention of fibrous scar formation in the epidural space after laminectomy.
目的 观察选择性脊神经后根切除术椎板切除后硬膜外几种防瘢痕粘连物质的作用并探讨其机制。
-
On his way to the lift, he looked back to us or was it me his eyes pointing?
当他要进电梯时，他回头看我们（或者说是我，他的眼光？
-
Galileo was a famous Italian scientist by whom the Copernican theory was further proved correct.
伽利略是意大利著名的科学家，他进一步证明了哥白尼学说是正确的。