• 并窝3乳鸽增长非并窝的乳鸽相似报酬明提较高,重料比差异极显著(P<0.01);

    The weight of 3 co-nesting pigeons and non-nesting pigeons is similar, but the repayment of fodder evidently increases(P<0.01).

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  • 介绍激光阵列封装成形中的研究进展,并且PBGA共晶钎激光进行了工艺研究。

    Research status of laser reflow on solder bump forming of area array packages are introduced, and experimental analysis on laser reflow of PBGA solder ball is performed.

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  • 大型安装过程,旋转机构安装误差控制及其调整一个十分环节

    In the installation process of huge stacker reclaimer the error control and adjustment of the installation of revolving gear is an important link.

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  • 通过浮法玻璃配合加入特殊黏结取代传统配合加水,可以将配合换成碱,可利用10%的硅质超细粉原

    This article mainly reasearched that light alkali substituting heavy alkali and 10% silica sand ultra-fine dust were used in the float glass batch by the method of adding special cementing agent.

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  • 耐火浇注轻质隔热浇注优点于一体,既具备强度高温的机械性能,又具备体积密度、低导热隔热性能

    It has the advantage of the heavy quality refractory and the light quality and has the higher strength, high temperature resistant, low physical volume density and low heat transmit rate.

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  • 因此开展寒区沥青结合低温性能光辐射研究,显得十分

    Therefore, it is extremely important to study on low temperature performance and the ray aging of the bituminous binder.

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  • 同时,本文还PBGA钎激光进行了试验研究。

    At the same time, experiments on PBGA solder ball laser reflow were carried out.

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  • 讨论了空气流化床分选对粒度上下限控制方法存在问题介绍了潮湿原煤空气分级方法

    The problems in controlling upper size and lower size of feed into an air solid fluidized bed were discussed, and then an air classification technology of moist raw coal was introduced.

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  • 研究沿用石灰石粉离散流动CO2气流中进行动态实验

    The dynamic thermal weight test of the powdered limestone in discrete status in the CO2 air stream was made.

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  • 台和互连焊点封装关键技术之一

    The manufacture of solder bump is one of the key technologies for area array packaging (AAP).

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  • 试验证明国产交通道路石油沥青无论是从原样沥青还是从沥青混合来看,其品质都不比进口沥青差。

    Whether original asphalt or bituminous mixture, test findings proved that homemade heavy traffic asphalt was as good as import asphalt.

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  • 讨论了半移动破碎板模块作用

    The functions of the heavy apron-feeder modulus for semi-portable crusher station is emphatically discussed in this paper.

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  • 设计采用选煤工艺主要设备无压三产品介质旋流器

    The design adopt the heavy medium Preparation technique, and its main equipments are three-product dense medium cyclone by unpressurized feeding.

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  • 混合机- 我司生产犁铧混合机搅拌机为每批量500公升至3000公升粉状产品进行混合工作。

    Powder Mixers – We manufacture ploughshare mixers and ribbon blenders which mix powder of capacities from 500 litres to 3000 litres per mixer batch.

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  • 本文采用一差热分析法,检测水泥浇注干燥特性

    Drying Properties of low cement refractory castable were examined by TG-DTA.

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  • 本发明的分散剂具有很高分散效率性,能够用于碳酸钙研磨时的分散。

    The dispersing agent has high dispersing efficiency and salt tolerance and can be used for dispersing heavy calcium carbonate powder during grinding.

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  • 无压给三产品介质流器分选过程中,由于速度可能会滞后悬浮液切向速度,致使精煤矸石污染

    In the course of separation within a three-product HM cyclone, the tangential velocity of particles are slack behind that of heavy medium, leading to contamination of dirt in concentrate;

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  • 在大型安装过程中 ,旋转机构安装误差控制及其调整一个十分环节

    Taking bucket stacker-reclaimer as the example, the main technology, flow and quality control for port machine equipment installation are expounded.

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  • 具体实施方式中使用足够构成纳米复合材至少30%以制备负载的纳米复合材

    In a particular embodiment, sufficient filler is used to constitute at least 30 weight % of the nanocomposite to prepare a highly loaded nanocomposite masterbatch.

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  • 生长性能测定结果表明各组仔猪平均日增、平均日采食量比、腹泻等生产性能指标方面差异显著P>0.05)。

    The result of performance showed :(1)There was no significant difference in average daily gain, average feed gain , F/G, diarrhea rate between every groups (P>0.05) .

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  • 结果显示3个粗纤维水平对仔猪平均日增、平均日采食量比均显著影响P>0.05),、高粗纤维水平降低仔猪腹泻频率趋势(P>0.05);

    The results indicated that ADG, ADFI and F/G had no significant difference among 3 groups (P>0.05), there was a tendency for reduced diarrhea frequency in the piglets in MF group and HF group.

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  • 过磷酸钙简称:(TSP)质量标准HG 2219- 2224 - 91性状粒状固体酸性外观呈灰白色色。

    Triple superphosphate Abbreviations: TSP (TSP) Quality Standard: HG2219-2224-91 Characters: granular solid, slightly acidic, look pale or dark colored exhaust.

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  • 机型专为鞋类开发具备上下复合的曲缝纫机获得国家多项专利产品

    This product is the new model of JUKEON brand which is specially developed for shoes, this brace sewing machine equipped with up and down feed system, had obtained many national patents.

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  • 系列机型科高台产品,采用综合送方式和立柱式

    This machine series is a new product series of JUKEON brand post bed lockstitch sewing machine.

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  • 系列机型科高台产品,采用综合送方式和立柱式

    This machine series is a new product series of JUKEON brand post bed lockstitch sewing machine.

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