• The reduction experiments have been done in reactor of fluidizing pre-reduction, using the orthogonal design means.

    采用正交设计法进行了流化床还原试验。

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  • The present invention relates to a steam hydrocarbon reforming nickel-based catalyst requiring no pre-reduction treatment for the activity thereof.

    本发明涉及一种不需要进行预还原处理就能表现活性的蒸汽烃转化镍基催化剂。

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  • The method of determination, after L-cysteine pre-reduction, with microwave digestion-hydride generation-atomic fluorescence spectrometry was used to analyze the arsenic and stibium in dyestuffs.

    采用微波消解-氢化物发生-原子荧光光谱法,用L -半胱氨酸预还原法,对染料中砷和锑进行了分析,讨论并确定了实验最佳测定条件。

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  • The present paper studies the law of changes in the physical and chemical properties and structure of the hematite ore fines under the absorption condition in the process of fluidized pre-reduction.

    对流态化预还原过程中碳吸附条件下赤铁矿粉的物化性质、结构变化规律进行了研究。

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  • Proper treatment on the ore fines by way of new carbon absorption process can not only accelerate the rate of fluidized pre-reduction, but also effectively prevent against bonding action.

    对矿粉进行碳吸附新工艺处理,不仅加快流态化预还原速度并能有效防止粘结。

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  • Only one study (ERSPC) reported a 21% significant reduction of prostate cancer-specific mortality in a pre-specified subgroup of men aged 55 to 69 years.

    只有一个研究(ERSPC)记录了在预先指定、55至69岁男性的次群组中,摄护腺癌死亡率有21%的显著降低。

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  • The effect of loading rate, test temperature and pre-plastic deformation on hydrogen induced apparent yield stress reduction have been investigated.

    研究了变形速度,试验温度以及预先塑性变形程度对氢致表观屈服强度下降的影响。

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  • There is no accurate method for analyzing the reduction degree of pre-reduced catalyst for ammonia synthesis at present.

    对预还原型氨合成催化剂还原度的分析,目前暂无相对准确的方法。

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  • The effect of impregnation method, impregnation solutions, loading content of Pt, reduction temperature and the carbon pre-treatment on the activity was discussed.

    考察了浸渍方法、不同浸渍液、贵金属含量、还原温度、载体的预处理等因素对对氯硝基苯加氢还原反应的影响。

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  • BACKGROUND: Results of several trials of antioxidant use during pregnancy have not shown a reduction in pre-eclampsia, but the effect in women with diabetes is unknown.

    背景:几项妊娠期应用抗氧化剂的试验未发现先兆子痫减少,但不知其对糖尿病女性患者的疗效。

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  • This paper introduces how to calculate the ultimate strength of external pre-stressed concrete beam with FRP tendons by means of strain reduction.

    本文采用应变折减的方法推导了体外预应力FRP筋混凝土梁承载力的计算方法,并将计算结果与试验数据进行了对比。

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  • Data pre-processing, data reduction, feature selection, and feature transformation.

    数据预处理,数据压缩,特征选择与特征变换。

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  • Decreasing the diameter of nozzle, increasing the concentration of cosolvent or decreasing the pre-expansion temperature could result in the diameter reduction of the microparticles.

    减小喷嘴孔径、提高夹带剂浓度或降低预膨胀温度均可使微粒粒径减小。

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  • The relationship between the pre-splitting, vibration reduction, millisecond blasting and the maximum single detonating charge in open deep-hole large stage is introduced.

    主要介绍露天深孔大梯段预裂爆破、减震爆破、微差爆破、最大一次装药量的控制措施和关系。

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  • The robocalls, which leave pre-recorded messages, have been so successful that city officials say certain areas have seen a 90 percent reduction in signs .

    这些播放预录信息的机器拨号非常成功,一些地方小广告减少率达90%。

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  • By comparing the effect between pre-and post clutter reduction, the clutter reduction method increases the signal-to-noise ratio (SNR) of the radar images and improves the detection performance.

    从比较结果可以看出,采用该方法抑制这类杂波的效果较明显,通过杂波抑制可以获得更好的图像质量。

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  • For shrinkage and sink reduction, molds can be pre-pressurized with gas before melt is injected, or gas can be introduced between the non-appearance side of the part and the mold.

    为了减少收缩和塌陷,在填充前可以用气体给模具加预压,或者可以在非表观面与型腔表面之间注入气体。

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  • For shrinkage and sink reduction, molds can be pre-pressurized with gas before melt is injected, or gas can be introduced between the non-appearance side of the part and the mold.

    为了减少收缩和塌陷,在填充前可以用气体给模具加预压,或者可以在非表观面与型腔表面之间注入气体。

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