Through micro-test ing technologies such as optical microscope manual artificial heavy concentrate electron microprobe and scanning electron microscopy major gold-bearing minerals are tested in Zhaishang deposit. Pyrite and scheelite are the most important gold-bearing minerals. Quartz limonite and chalcocite are the secondary gold-bearing minerals.

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A relationship among sequence, base level cycles and the overriding style of reservoir sand is established through an analysis of the change of base level during the formation of seismic sequence.

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The "characteristic curve of well Water sand content" is introduced first time.

概述了國(guó)內(nèi)外井水含砂量標(biāo)準(zhǔn)的現(xiàn)狀免费观看一级免费观看一级黄片视频，并對(duì)分歧和爭(zhēng)議問(wèn)題進(jìn)行了討論。

In the experiment, wheat (NongDa 189) plants were grown on a sand culture in a greenhouse. Relationship between leaf area and characteristic of root branching of winter wheat seedlings were studied, In addition, effects of phosphorus deficiency on leaf area, root morphology and measuring methods of root architecture were studied.

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Then the effect of different air flow rates on chlorobenzene migration and removal in sand tank with a certain hydraulic gradient was also studied.

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Objective: To investigate the pharmadynamics of quickly release gastric drug Sodium Copper Chlorophyllin Tablets.

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It is the Emperor's mix ofjade cinnabar and salts of mercury.

那是玉帝用紫晶珠砂和天仙玉露所制而成

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In engineering geology classification the yard one of the natural ground belongs to weak stratum which can not resist the weight of raw material piles, In order to ensure stability and safety of raw material yard , extruding-soil sand pile is used to consolidate the groud, and the weight of raw materials piled step by step increases ground strength and improves stability of settlement.

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Physical simulation of clastic sedimentary system is an important resort of studying sedimentary process,it is also one of efficient methods of forecasting oil-gas sandbody distribution.

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