查询词典 pyrite

The selective adsorption of Nocardia on the surface of pyrite and sphalerite was studied under various conditions.

研究了诺卡氏菌在不同影响因素条件下，在黄铁矿和闪锌矿表面的选择性吸附。

In annealing process the optimal anneal temperature 500 ℃ for formation of a single-phased pyrite can be obtained.

硫化温度对FeS_2样品纯度及结晶度都起着关键的作用，500℃最佳硫化温度。

The pyrites, with sufficient electricity supply,convenient communication and high exploitation value, is one of the four best pyrite mines in Guizhou province.

板桥镇已建35KW电站一座，境内通讯发达，交通便捷，综合开采条件优越，是贵州省优先推选的四大硫铁矿开采点之一。

Beginning with the contents of devolved customer value, the paper analyzes the market situations and marketing measures of pyrites , and discusses what the pyrite enterprises should do to improve the devolved customer value.

本文首先介绍了有关顾客度让价值的相关内容，然后分析了我国硫铁矿的市场情况及企业的营销措施，在此基础上围绕以提高顾客度让价值来阐述硫铁矿企业所应展开的营销工作及其相关事项。

A systematic study on the characteristics in distribution, chemical composition, crystal texture, crystal morphology and pyroelectricity of pyrite has been made in the Wulong gold deposit .

文章论述了五龙金矿床黄铁矿的分布特征、化学成分特征、晶体结构特征、晶体形态特征及热电性特征，为矿床的成因研究及深部远景评价提供矿物学依据。

The Raw materials were pyrite, pyrolusite and waste sulphuric acid.

已有在钦白废酸中用铁屑还原软锰矿生产硫酸锰的中试〔幻。

The leaching process was researched to produce manganese sulfate from pyrite and pyrolusite, When the reaction was proceeded under the conditions: temp.

本文试验研究了用软锰矿和硫铁矿湿法生产硫酸锰的生产工艺。当反应温度大于95℃。

Time 2.5h, ratio of raw material 1:0.71:0.68 (pyrolusite: pyrite: sulfuric acid)and when pH was controlled about 5.4, the leaching out rate of manganese can get to 90％, Through purification and calcium depositing, the quality of the products was conform to GB1662-82, Experiments(100kg grade)were carried out.

时间2.5小时，原料配比为1：0，71：0.68，最终pH值控制在5.4左右，锰浸出率在90％以上。溶液经净化、沉钙，产品质量符合GB1622-86标准。100公斤级扩大试验验证了小试验，结果可靠，产品质量稳定。

Furthermore, natural pyrite and pyrrhotite were succeeded to induce to produce troilite in laboratory.

由于陨硫铁具有比较特殊的物理性能，论文在上述研究的基础上，尝试利用黄铁矿、磁黄铁矿为原料合成陨硫铁。

Jamesonite, marmatite, pyrrhotite and pyrite are the complicated and mutiple-metal sulfide resources to process difficultly in Dachang Mine. Research on the basic theory of flotation electrochemistry and on potential-controlled flotation technology of the sulfide resources can be helpful to develop some new flotation theory and technology of the complicated and mutiple-metal sulfides, and to utilizate comprehensively the mineral resources, and to lower their production cost, and to improve the economical benefits. It is of important theoretical and practical significance.

脆硫锑铅矿、铁闪锌矿、磁黄铁矿、黄铁矿是大厂特有的难分离、难处理的复杂多金属硫化矿物资源，对其进行浮选电化学的基础理论和电位调控浮选技术研究，可发展复杂多金属硫化矿物浮选分离理论，形成复杂多金属硫化矿物浮选分离的创新技术，加强矿产资源的综合利用，降低成本，提高经济效益，具有重要理论意义和现实意义。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。