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This research and development effort bore its first noteworthy fruit in 1886 when Zeiss marketed the first "aphochromate" microscope objectives; this apochromatic microscope objective offered superior quality. Employing "fluorspar" elements this was the first use of crystal in an industrial optical application.

这些研究和发展的努力在1886年结出了第一个果实，蔡司公司于当年推出了"aphochromate"显微镜即复消色差透镜显微镜；此种显微镜提供了出众的品质，其中萤石成分的使用是玻璃晶体在工业光学中的首次应用。

Carefully study the quantitative relations of flotation knowledge from a large number of on-the-spot experiments, give the quantitative relations of fluorspar and sodium augite ore separately and use these relations as the foundation of adjusting technological regulation, define the technical and economical indexes of concentration plant, give the basic task and the structure of FICS based on ANN.

通过大量的现场试验，对浮选知识的定量关系进行了详细研究，分别得出萤石型和钠辉石型矿石知识的定量关系，并以此关系作为工艺调节措施的依据之一；确定了选矿厂的技术经济指标及包钢选矿厂的选别指标；给出了基于人工神经网络的浮选智能咨询系统的根本任务和基本结构。

The fluorspar resources report of investigation has completed, and we are seeking for partners.

情况萤石资源调查报告已完成，寻找合作伙伴。

Basic electrode for the main component of skin medicine alkaline oxides, such as marble, fluorspar and so on.

碱性焊条药皮的主要成分为碱性氧化物，如大理石、萤石等。

The special trimming for the fluorspar in Hatch No.2 is up to our requirementsdemands.

二舱氟石的特殊平舱达到了我们的要求。

A method of N_2O-C_2H_2 flame AAS for determination of aluminium oxide in fluorspar was established.

报道了用笑气-乙炔火焰原子吸收光谱法测定氟石中氧化铝。

The proposed method was fast,accurate,simple,and has been applied to determine silicon dioxide content in the fluorspar in the routine determination wi.

研究了硅钼蓝分光光度法测定氟石中二氧化硅含量的快速分析方法。

Metallic calcium also burns in fluorine gas, forming the fused fluoride, and occasionally minute crystals of fluorspar.

金属钙还烧伤的氟气，形成了融合氟化物，偶尔分钟和萤石晶体。

A method for the determination of CaF2 in fluorspar samples by X-ray fluorescence spectrometry with sodium metaphosphate as flux is proposed.

采用偏磷酸钠作熔剂制备萤石熔融片，用波长色散X射线荧光光谱法测定萤石中的氟化钙。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。