1、

In this article, bonding pad design, stencil design and assembly process of QFN device will be introduced in detail.

文章对QFN器件的焊盘设计,网板设计及组装工艺作了详细的介绍。

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2、

This report introduced 8 kinds of humidity test methods, and recommended boiling test and double 85 humidity test with low voltage as the most effective ones.

本文介绍了八种用来衡量电阻器耐湿能力的潮湿试验方法,从中推荐煮沸试验和双85潮湿施加低电压试验,作为最有效的方法。

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3、

The reasons of low combustion efficiency and low boiler capacity are analyzed, the mechanism on combination combustion of the grate-fired boiler are introduced as well.

分析了SHL20-25/400型链条炉燃烧效率低及锅炉出力不够的原因,介绍了链条炉复合燃烧机理。

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4、
5、

The location principle of wider head bobbin holder of spinning machine is analyzed, and then the adjustment of the bobbin holder are introduced in detail.

分析了纺丝筒子座组合件的定位原理,详细介绍了筒子座组合件的调整方法。

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6、

Introduced the causes of motion image blurring and geometric distortion and the methods to deblur.

随后又介绍了导致运动图像模糊及几何畸变的原因及对应消除模糊的方法。

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7、

In this paper, the characteristics of TBM combined blowing technology in steelmaking plant of Meis-han has been introduced. And the influence of operation in medium phosphorous hot metal, metal charge consumption, converter lining after using this technology.

介绍TBM顶底复吹技术特征,在梅山炼钢厂应用时,以及运用该技术对冶炼中磷铁水操作、钢铁料消耗及炉衬的影响,通过使用TBM技术有效的改善了梅山的脱磷。

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8、

A cybernetic model system scheme on interaction of arc and circuit is introduced and its functions in the field of studying the bum-ning and quenching processes of arc are discussed in this paper.

本文介绍了电弧和电路相互作用的“控制论”模型系统图,并论述了它在研究电弧燃烧和熄灭过程力面所起的作用。

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9、

Cross-evaluation has also been introduced to overcome some defects from the CCR model of Data Envelopment Analysis and achieved complete ordering of these objects.

同时,为了克服数据包络分析的CCR模型的一些缺陷,在研究中引入了交叉评价的方法,实现了研究对象之间的完全排序。

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10、

The diffusion coefficients of atoms which strongly dependent on their local concentration are given in the nonlinear kinetic discrete model for diffusion in nonuniform system, and the diffusion asymmetry coefficient m' and the ordering energy V are introduced to describe the diffusion in nonuniform system.

根据非均匀体系的非线性动力学离散模型推导出与局部原子浓度强相关的原子扩散系数,引入扩散非对称性系数m′和有序能V参数描述非均匀体系的扩散。

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11、

Last day, Professor Ballinger Lewis introduced you to Lewis who taught us that octet stability could be achieved via electron sharing as an alternative to electron transfer.

昨天,ballinger教授,把我介绍给,他教我们八隅律可以,作为电子传递的方式,可以通过共享电子来实现。

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12、

The task communication cost used for receiving and sending a data set depended on the assignments of other tasks, so the mean estimate was needed to be introduced into the task communication cost when the assignments of related tasks were not completed yet.

任务用于收发数据集的通信成本依赖其他任务的指派,故当相关任务的指派未完成时,需要在任务通信成本中引入均值估计。

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13、

The composing, function, selecting principle and key of parts of the pump, such as electromotor, axle-jointer, bearing box seat, water cooling seal cavity, down pump body, pump axle and impeller, are introduced in detail by pump body structure diagram.

给出泵体结构图,详细介绍泵的电机、联轴器、轴承箱座、水冷密封腔、下泵体、泵轴、叶轮等部件的组成、功能,各部件的选型原则和关键点。

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14、

This paper has introduced the significance of casual worker management in universities libraries, analyzed the characteristics and conditions of casual workers, pointed out the problems existing in casual worker management, and put forward solutions to these problems.

介绍了高校图书馆临时工管理研究的意义,分析了临时工的特征、工作状况,指出了图书馆临时工管理中存在的问题并提出了一些建议。

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15、

A dust collection system including a wet cyclone made of granite for treating flue gas from a boiler is introduced as a practical example.

本文以一锅炉除尘工程实践为例,介绍了该工程的治理系统组成。

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16、

Shaking hands was introduced to Fiji in the19th Century by way of Tonga, and quickly became the established custom.

握手在19世纪被通过汤加(南太平洋岛国)传到斐济(太平洋西南部岛国,新西兰以北),并迅速成为明确的习惯。

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17、

The reform of the customs code had also introduced border measures.

海关法的改革促成了边境措施。

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18、

Combined with 3D solid modeling, the classification of cutaway drawing and cutaway plane are introduced.

结合三维实体造型的特点,介绍了剖视图与剖切面的分类。

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19、

The determination of the cut-off voltage of VRLA battery applied in access net at low discharge current was introduced in brief.

对接入网电池在小电流使用状态下终止电压的确定作了简单地介绍。

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20、

An advanced intelligent system about automatic balance of on line emery cutter is introduced.

介绍了作者研制的一种新型智能化砂轮在线自动平衡系统。

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