We also find that among the three investment strategies we discussed – the momentum strategy, buying the top or the bottom decile portfolio of funds, adopting the momentum strategy gets a better Sharpe ratio if the emerging market, energy, and mineral funds are not considered. For the portfolio of emerging market, energy, and mineral funds, it is with better performance for the strategies of buying the top or the bottom decile portfolio of funds.

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Sealing wax densimetry is suitable for the density determination of mineral drugs and their calcined products with its high accuracy, whereas direct densimetry' is not suitable for the density determination of mineral drugs and their calcined products.

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Gold mine ; mineral type of diabase ; material source ; characteristics in mineral deposit

金礦色玖二代；輝綠巖型；物質(zhì)來(lái)源；礦床特征

In this paper, the advanced x-ray diffractometer and scanning electron microscope were used to carry out quantitative and qualitative analyses of mineral matter in coal, Combining with combustion test of one-dimension furnace, the changes of mass and amount of mineral matter in combustion process were studied and large amount of valuable achievements were obtained.

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In the practice of mineral process, the dotation of marmatite is one of the dii'l'iculL problems of polymetal sulphide separable flotation, which makes it difficult to increase the recovery of zinc mineral at the marmatite mine in wenshan ,which makes it even more difficult because of its ore characteristic.

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A new mineral paragenesis diagram, CFM, can be applied to interpret variation in mineral composition and assemblages of eclogite.

新設(shè)計(jì)的CFM及AF〓O〓-Na〓O-FMO圖解的運(yùn)用可以很好地解釋榴輝巖中的礦物組合規(guī)律免费高清在线视频毛片。

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The results indicate that the main mineral components of the jade are epidote and tremolite, and the auxiliary mineral components are quartz, calcite, chlorite, limonite and sphene.

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Objective To observe the effects of pulsed electromagnetic field or/and exercise on the area bone mineral density and volume bone mineral density of rats with osteoporosis induced by tretinoin gastric perfusion.

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